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$554 Find Cheap Flights to Seattle – Compare and Save

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Cheap Flights to Seattle

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals to Seattle

Wed, 21 Oct - Wed, 28 Oct
Multiple Airlines Logo
14:15 - 18:45SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
22h 30m2 stops Nadi Los Angeles Los Angeles
Multiple Airlines Logo
20:09 - 06:25SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
40h 16m1 stop Los Angeles Los Angeles
$1,228Multiple Airlines
Thu, 22 Oct - Thu, 29 Oct
Multiple Airlines Logo
14:15 - 18:45SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
22h 30m2 stops Nadi Los Angeles Los Angeles
Multiple Airlines Logo
20:09 - 06:25SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
40h 16m1 stop Los Angeles Los Angeles
$1,233Multiple Airlines
Wed, 27 Jan - Mon, 15 Feb
American Airlines Logo
11:20 - 21:24SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
29h 04m1 stop Los Angeles Los Angeles
American Airlines Logo
06:00 - 09:00SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
32h 00m1 stop Los Angeles Los Angeles
$1,283American Airlines
Wed, 27 Jan - Mon, 15 Feb
American Airlines Logo
11:20 - 16:02SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
23h 42m1 stop Los Angeles Los Angeles
American Airlines Logo
11:36 - 09:00SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
26h 24m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles
$1,283American Airlines
Mon, 19 Oct - Mon, 26 Oct
Delta Logo
10:15 - 12:40SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
20h 25m1 stop Los Angeles Los Angeles
Delta Logo
05:30 - 07:30SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
32h 00m2 stops Salt Lake City Los Angeles Los Angeles
$1,307Delta
Mon, 19 Oct - Mon, 26 Oct
Delta Logo
10:15 - 22:05SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
29h 50m2 stops Los Angeles Los Angeles Salt Lake City
Delta Logo
13:30 - 07:30SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
24h 00m2 stops Salt Lake City Los Angeles Los Angeles
$1,307Delta
Mon, 5 Oct - Tue, 20 Oct
Qantas Airways Logo
18:50 - 22:37SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
21h 47m1 stop Los Angeles Los Angeles
Qantas Airways Logo
16:37 - 08:05SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
21h 28m1 stop Los Angeles Los Angeles
$1,377Qantas Airways
Mon, 1 Mar - Mon, 29 Mar
United Airlines Logo
11:20 - 10:21BNE  Brisbane-SEA Seattle/Tacoma Intl
17h 01m1 stop San Francisco
United Airlines Logo
19:32 - 06:30SEA  Seattle/Tacoma Intl-BNE Brisbane
17h 58m1 stop San Francisco
$1,387United Airlines
Fri, 26 Feb - Tue, 30 Mar
United Airlines Logo
11:20 - 10:21BNE  Brisbane-SEA Seattle/Tacoma Intl
17h 01m1 stop San Francisco
United Airlines Logo
23:50 - 06:30SEA  Seattle/Tacoma Intl-BNE Brisbane
37h 40m2 stops Chicago O'Hare Intl San Francisco
$1,387United Airlines
Sun, 22 Nov - Fri, 4 Dec
Qantas Airways Logo
11:10 - 13:28SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
21h 18m1 stop Los Angeles Los Angeles
Qantas Airways Logo
14:10 - 06:25SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
21h 15m1 stop Los Angeles Los Angeles
$1,434Qantas Airways
Booking Insights

Price, demand, and travel trends for Australia to Seattle flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Australia to Seattle with more confidence.

What is the cheapest flight to Seattle?

Sydney to Seattle is the cheapest route at $1,228 return, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.

How much is a flight to Seattle?

A return flight to Seattle costs $1,481 on average, based on data over the past 12 months on KAYAK. Return fares from Melbourne Airport average $1,383, while Brisbane runs a bit higher at $1,448.

What is the cheapest day to fly to Seattle?

Monday is the cheapest day to fly to Seattle at $1,462 return on average over the past 12 months on KAYAK. Saturday is the most expensive at $1,635.

What is the cheapest month to fly to Seattle?

  • March is the cheapest month to fly to Seattle with an average price of $1,230 return.
  • September ($1,598) and December ($1,566) are the most expensive.
  • Based on KAYAK data over the past 12 months.

What is the cheapest time of day to fly to Seattle?

Morning flights to Seattle are the cheapest at $1,491 return on average. Night flights are the most expensive at $1,726.

What is a good deal for flights to Seattle?

Flights under $1,274 are considered a good deal. 25% of KAYAK users found return flights to Seattle at or below these prices, with the lowest fares from:

  • Melbourne Airport $1,200
  • Brisbane $1,229
.

When are flights to Seattle the cheapest?

Flights to Seattle are cheapest 21 weeks before departure. Booking in this window typically costs about 15% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for flights to Seattle

Low season

February

Cheapest flight

$554
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly (2% more expensive on average)
Flights from Sydney to Seattle

When to book flights to Seattle

Are your dates flexible? Find out the best times to travel to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your questions about flights to Seattle, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • What public transport is available to get to and from the airport?

    King County Metro and Sound Transit provide bus services to a variety of destinations and traffic-free transit to and from the airport. Keep it green and ride your bike to and from the airport, with many bicycle resources available to travellers. Pick up or drop off all on your phone with app-based ride shares, all serviced at SEA Airport.

  • What is the best way to reach downtown Seattle?

    The Link Light Rail Service is the quickest and most convenient option for travellers who prefer public transport. Trains arrive every 6–15min, depending on the time and day, everyday of the week, operating from 05:00 Monday through Saturday, and from 06:00 on Sunday. The ride will take about 40min from the airport to downtown Seattle, and an adult fare costs about $ 2.25–3.25 (A$ 3.25–4.70).

  • Are VIP lounges available at Seattle Airport?

    The Club at SEA located inside Seattle Airport (in A Concourse and South Satellite), which can be accessed by all passengers who purchase a day pass. There are also several airline lounges for passengers with certain memberships or ticket types: United Club, The Centurion Studio by American Express, Alaska Lounge, Delta Sky Club, British Airways Terraces Lounge, and the USO Centre.

  • Can I stay overnight in Seattle Airport?

    Seattle Airport is open 24h and may serve some travellers as a budget sleep spot in the late or early hours. It is possible to stay Airside (past security) overnight, where more comfortable sleep spots can be found.

  • Are there any airport hotels nearby Seattle Airport?

    For uninterrupted sleep, there are many hotels near the airport accessible by shuttle bus service, for example: Hilton Seattle Airport & Conference Centre (3min drive), Red Roof Inn Seattle Airport (4min drive), Red Lion Hotel Seattle Airport (4min drive), and La Quinta Inn & Suites Seattle Sea-Tac Airport (4min drive).

  • What is the difference between the most popular and the most frequent airline at Seattle?

    Delta operates the most flights from Australia to Seattle at 0 per week, while United Airlines is the airline most often selected by KAYAK users searching for flights from Australia to Seattle. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.

  • How far is Seattle/Tacoma Intl from Seattle city centre?

    Seattle/Tacoma Intl is 17.3 km from Seattle city centre.

  • How do I know if a flight to Seattle is a good deal?

    A good deal on a flight to Seattle is around $1,274 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

  • How expensive are last-minute flights to Seattle?

    Last-minute fares to Seattle – booked within 2 weeks of departure – run 5% above the average return fare of $1,481.

Your guide to booking Seattle flights

From booking to airport arrival, find tips to help you plan your flight with more confidence.
  • For the best chance at a low fare to Seattle, aim to book around 21 weeks before you fly. That window historically saves about 15% versus last-minute pricing based on KAYAK booking data over the last 12 months.
  • For flights to Seattle, recent KAYAK data shows that stronger deals tend to be around $1,274 return. If you see a fare below that threshold, it's a good deal – book before the price climbs back up.
  • If you can choose when to go, aim to travel to Seattle in March. Return fares historically average $1,230 that month – typically the cheapest month to travel based on the last 12 months.
  • Before you book:

    • Check the route's typical price range so you can spot a deal.
    • Confirm baggage fees and seat selection costs on budget carriers.
    • Verify whether you need any travel documents beyond an ID.
    • Pick a departure airport, since your nearest may not be the cheapest origin.
  • Shift your departure to morning to save up to $236 per return. Morning flights to Seattle average $1,491 compared to $1,726 for evening flights. See the time-of-day chart above for the full breakdown.
  • Once you arrive in Seattle, a few great places to start are Lumen Field, Space Needle, and McCaw Hall. These are popular with first-time visitors and can give you a good feel for the area.
  • Seattle-Tacoma International Airport (SEA) is the primary airport serving the Seattle and Tacoma area in Washington, in the United States. This airport is often referred to as Sea-Tac.
  • The international SEA airport is located in the Seattle-Tacoma region, approximately 23 km south of downtown Seattle and 29 km northeast of downtown Tacoma.
  • Easily accessible by road, the airport is located along State Route 99, about midway between Seattle and Tacoma. Interstate 5 and Interstate 405 also converge near the airport, so it's easily accessible by car.
  • Taxis, public buses, light rail train, shuttle buses, and ride share services make getting to and from SEA more convenient. You can even reach the airport by cycling or walking.
  • Seattle-Tacoma has two satellite terminal buildings. Inside, there are 80 gates across four concourses. The two terminal buildings, north and south, are connected to the main terminal by a Satellite Transit System (train). All international arrivals are handled in the South Satellite Terminal.
  • The airport offers paid, on-site parking in a 13.000-space car park, also notable for being North America’s largest parking structure under one roof. Find a parking space won't be a hassle.

Reviews of the top 5 airlines flying to Seattle

 
Need help choosing which airline to fly with to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.2
Singapore AirlinesOverall score based on 1598 reviews
8.1Entertainment
8.3Boarding
8.0Comfort
8.6Crew
7.8Food
Airline reviews

Great flight attendants as always, they were super helpful and friendly. Made my kids super comfortable during long flight. The food were fine, some great taste some not so much specially the scramble eggs thats too watery. And maybe since its general food, better to not serve coffee pudding that kids cant really eat or maybe just serve different pudding for kids.

10.0 ExcellentMaria, July 2026
Read more Singapore Airlines reviews

Great flight attendants as always, they were super helpful and friendly. Made my kids super comfortable during long flight. The food were fine, some great taste some not so much specially the scramble eggs thats too watery. And maybe since its general food, better to not serve coffee pudding that kids cant really eat or maybe just serve different pudding for kids.

The quality and the quantity of food was terrible. I was starving to death at the end of the flight. Used serve 3 meals long time ago, now reduced to 2 meals during the 17 hours flight. Never offered wine or tea to us. We have to ask . Extremely hard to get the attention of the flight attendants. They intentionally ignore us to minimize the service. Bathrooms were dirty

Never book through Kayak. They can offload booking to third parties that are completely horrible.

Crew is excellent Wifi needs to be improved in order to connect to the internet.

The flight arrived on time. 2×2 seating meant no one needed to sit in the middle. This was a connectibf flight from Singapore and required going to 3 counters in different levels to check a golf bag

The staff on the plane were attentive and friendly. The frustration with the cabin crew was that we were served second to special diet people. And, we were in economy section. The boarding staff was mediocre. Got scolded for requesting to sit with spouse on 14 hours long flight home. Was told they cannot break up families for us. Didn’t understand how we were denied sitting together as we are husband and wife. After many words of exchange, we were accommodated. Cleaning crew did a horrible job! Bathrooms were unsanitary or dirty from beginning of flight! Didn’t expect sparkling as its economy, but did except decent.

Construction at PDX resulting in very lung walk from the rental car to the gate. SFO, extremely long walk between terminals to get to connecting Singapore airlines flight. My smart watch recorded a total of 3 miles.

So happy I flew with Singapore Airlines. The customer service is top notch. I am terrified of flying and the staff made me feel so at ease. Will only fly Singapore internationally moving forward.

I very much liked and appreciated the service on board. The seating arrangement in Business feels uncomfortable. It's not made for tall people, in any case.

Great airline. Excellent service, good food & lots of TV movies/shows to choose from.

Overall, it was a very good experience. I would have given it a 10/10, especially based on our flight from SFO to Melbourne. The cabin crew on that flight were wonderful and incredibly attentive. They took extra care when setting up our beds so we could sleep comfortably without being disturbed. Dinner was served promptly and smoothly. I woke up quite late, when the flight was already preparing for landing, and the crew still made sure I was taken care of. They brought me English tea in a proper cup, and when it was time to prepare the cabin for landing, they thoughtfully transferred it into a takeaway cup so I could continue enjoying it along with some breakfast. Those small, thoughtful gestures made the long flight feel much more comfortable and special. The service from the SFO to Melbourne crew was truly excellent.

Great food and good entertainment options for the long flight.

Loved the food and beverages available, spacious economy class, excellent entertainment

Very good overall. Highly recommend for all flying to Australia

We had bulkhead seats in a A380 in the upper deck in seats 31 D and E. Storage was very limited other than in overhead bin - which is not within reach when in seat. Yet paying same price as others in premium economy who have a lot more storage within arm’s reach. Seems very unfair.

Good check in and helpful staff. Delayed for 1 hour. Took about 45 Mins to get baggage’s at DFW . Food was average ( Hindu meal ) . Overall it was good experience

When I originally booked this flight, I was expecting to travel on Qantas. When the itinerary changed and the long-haul segment was operated by American Airlines, we were disappointed but remained open-minded. Unfortunately, the overall service experience fell far short of expectations. This was a long-haul international flight. Getting up periodically to use the restroom or stretch is inevitable, especially on flights of this duration. However, each time we stood up, we felt as though we were inconveniencing the crew. The tone and body language often suggested that we were in the way or disrupting something simply by moving about the cabin. As a result, I avoided getting up as often as I needed to and was physically very sore upon arrival. Meal service was similarly impersonal. The options were presented in single words “beef or veggie,” “pasta or beef” without any description of what was actually being served. There was little engagement or courtesy beyond that. Even simple expressions of gratitude were often not acknowledged. I am accustomed to no-frills travel and do not expect luxury. What was disappointing was not the absence of extras, but the absence of basic warmth and professionalism. On a long-haul international flight, small moments of courtesy and humanity make a significant difference. In this case, the experience felt transactional and dismissive rather than welcoming. I hope this feedback is taken constructively, as there is a meaningful difference between efficient service and indifferent service.

Business seats not as comfortable or private as most competitors (e.g. Qantas was outstanding), and movie selection was much more limited than Qantas or United has been recently

Hard to move and get out of my seat when the passenger in front is in recline position.

Basic airline, aircraft and service. AA gets you from point A to B. My flight was delayed by 2 hours too.

This was an auto-rebook due to being delayed from an earlier UA connecting flight. The boarding was fine, but they sat me in a middle seat when my original booking was a window seat. Overall, the flight was fine as it still got me to my final destination.

The flight was delayed by a hour and I wish they had communicated it sooner. No issues on the plane, it did take a while for food to come.

Smooth and easy boarding, comfortable for the entire 5 hour flight, and the seat back entertainment was great! I appreciated all the features, from location info and maps, movies, the ability to connect with Bluetooth headphones, and good selection of movies. Food was good, normal airline snacks (I didn’t purchase anything)

it was so bad. I tried to board my flight from vancouver to saskatoon. And to my surprise they did not board me cause the flight was changed and no email was send to me. and on my boarding pass which i got from seattle says different flight. I did not knew anyone from Vancouver, air canada crew was rude, i asked for today flight but they were rude and i had early morning dental appointment in saskatoon. I was so much in pain and my whole day is wasted today. and i suffered alot. They did provide me hotel but they did not provide me any food. I am really really disappointed first time had so bad experience with air canada. I may think twice to book it again. If i can get any reply or any composition that would be great. Thanks

leg space better than expected. two washrooms for one plane isn't enough.

The seats on this flight were almost roomy enough to be the basic amount needed for human existence. I think my favorite part of this flight was it landed at an A gate, which was the most palatial part of Sea-Tac I've ever seen - a massive improvement from the S gates.

Everything was fantastic. Modern plane. All the amenities! Although the paid snacks and meals are pure robbery. Like i understand airlines need to make money, but 11$ USD for an overnight oats with some nuts in it and barely any pieces of apple.... Highway robbery

An hour and a half late is UNACCEPTABLE. The negative impact to our family is unconscionable. And for the price we were forced to pay...

Our flight was delayed many times throughout the day. The final delay was about 8 hours. I spent time in line to speak to someone at their understaffed desk, and also spent time waiting online and then chatting with a service rep. None of the United employees were any help at all. I desperately wanted to go get rest and possibly re-book my trip but I was denied any compensation or voucher for a hotel. I was repeatedly told it was not United's fault and therefore they had no compensation to offer. Overall, a cold and callous experience.

Flight crew and pilots did great. Flight way delayed due to a part needing replacement. Based on what the pilot indicated- the maintenance crew could’ve resolved this more efficiently than replacing whole part- and taken less time

Plane was super cold. No entertainment unless you were with mileage program Getting off the plane was super slow

Beverage service was not good. Also just one service in 5 hr 30 min flight. No ask fir water ir anything beside one time beverage service.

Flight was delayed because of a bird strike. They had another plane available within 45 minutes.

It was a code share with Alaska - would have been great if I actually made it on the plane, claimed I didn’t have a ticket or a seat even thought I was checked in.

The main problem was delay. The plane was at the gate early and bags were loaded. However, there was no crew for the flight. They were inbound from LGA and had to land and make their way to our gate. It took more than 40 minutes. Then, once the crew arrived and boarded, one of the crew members had to deplane and then a replacement crew member had to be found. It took another 40 minutes or so to get the final crew member. In all, we took off about 2 hours later than our scheduled departure time. Once in the air, the flight was great. Smooth most of the way. The crew was professional and efficient.

i suspect i caught flu on this flight as i could hear someone coughing a few rows back and ended up with flu a few days later. also tiresome to have to watch movies on my device by holding up smartphone screen, would have liked to have in seat display.

I had trouble finding a boarding pass because I had an hour between Flights and American did not see my flight I believe because I was ticketed through KAYAK. I did not have enough time to go to the desk before boarding so I went to the desk and told them while I was boarding and they had a boarding pass for me within three minutes. Nice. I paid extra to have more legroom and it is definitely worth it for a six hour flight. I would’ve paid for a decent dinner, but they didn’t offer anything but a snack box —not good for six hours.

Terrible flight seats where really uncomfortable I had body aches for 2 days and flight was delays almost two hours

Very smooth for one of the busiest travel days of the year and the crew was great.

Customer service prior to boarding is horrible Communication regarding boarding gates is released at the last minute and the gates are very distant from Customs. Very disappointing

Got denied my flight was told on Google that Air Canada was supposed to book me a flight back home because I never was able to go to my destination. They did not help me whatsoever. I had to book a whole new flight for that reason I would write this is zero

Air Canada cancelled our flight and reschedule it 26 hours later that completely interrupted my family's long waited Japan trip, it wasn't due to natural reason such as weather but under the company's control. On the day we wasted 9 hours of our time from 6am to 3pm, including a few hours in the customer counter waiting for supervisor to handle our rescheduling. When we came to the counter for rebooking help there were at least 4 employees on the counter but we were told they were not trained to handle customer rebooking, we were also told the supervisor could come 10:30 to handle our rebooking, but she showed up more than one hour later, the end result was exactly the same so the few hours we spent waiting for her was completely wasted; We already prepaid hotel and all the tickets for the our stay in Tokyo so all of the cost for the first day is completed wasted; The $80 meal voucher issues was far less than our financial loss due to the financial cancellation, and it was not surprisingly invalid (as Your company screw up everything possible along the flight), the vouchers were supposed to last 72 hours, when we tried to used it at our lounge next day less than 24 hours from its issuing at a designated restaurant, the worker there couldn't scan the vouchers after multiple tries on all 4 vouchers issued, so we had to pay the food from our own money; For the two return flights they were also full of unfortunate events that caused bad experience and further delay and waste of our time, both flights departed late and the last leg had another significant delay of more than half an hour after touchdown, the gate was for some reason not available so we waited more than half an hour, when we got out of plane it was almost one hour later than the supposed arrival time; The gate you arranged is the farthest in Vancouver airport, also was the luggage pickup location in Seattle airport; We also called customer service for rescheduling help and after a long time wait (more than an hour) we got a call back but the CS representative was equally clueless and unhelpful. Other than a fatal crash, your company couldn't do anything right and provided the worst service possible among the tons of flights we have taken in our lives.

Boarding was challenging as we had to use the stairs from the tarmac. Stairs are okay but a roller bag makes it challenging.

My one complaint was that while we boarded using the standard enclosed gangway, when we arrived at SEATAC, the ground crew were slow to hook up the stairs. After reaching the tarmac we had to walk up a long ramp all outside in 35° weather. We just came from Bali and did not have warm weather clothes. This was in addition to having to collect our bags in Vancouver, take them through security again and then having to show our passports 4 more times all within the Air Canada section.

3 hours late departure with no explanation. $160 luggage fee (two passengers) for less than 1 hour in the air!

After i biked my flights, i was informed my flight was rescheduled for later time

I wasnt able to choose my seat during booking my flight _months_ in advance and then when I checked in for my flight, I _still_ couldnt choose my seat. I was finally able to get a seat when I got to the gate, and they stuck me in a middle seat next to a jerk. This was my return flight, and on my departing flight I was able to choose my seat, so I dont understand what the issue was but it was very annoying and a miserable ~6.5 hours on the return flight.

Flight was cancelled. Still stuck at airport. Going on 2 days straight, no sleep. Never fly Air Canada

My husbands flight last night Vancouver/Sydney was 90 minutes late in leaving. My flight tonight Vancouver/Seattle was also late in departing.

Air Canada had a lot of delays on our flight going back to Seattle. So much inconvenience for a long trip.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Leavenworth
Ocean Shores
Tacoma
Cle Elum
Mukilteo
Poulsbo
Redmond
Olympia
Lynnwood
Kirkland
Tukwila
Lacey
Ashford
Renton
Gig Harbor
Shoreline
Marysville
Ellensburg
Bothell

More options for your flight to Seattle