Which airports can I use when flying from Seattle to Perth?

Flights from Seattle to Perth usually depart from Seattle/Tacoma Intl (SEA) and arrive at Perth (PER).

Which cabin classes can I book on flights from Seattle to Perth?

Two cabin classes are available on flights from Seattle to Perth: • Economy class • Business Class

Which airports do connecting flights from Seattle to Perth pass through?

One-stop flights from Seattle to Perth most commonly connect through: • Singapore Changi (SIN) – 66% of one-stop connections • Doha Hamad Intl (DOH) – 22% of one-stop connections • Hong Kong Intl (HKG) – 6% of one-stop connections • Manila Ninoy Aquino Intl (MNL) – 6% of one-stop connections Singapore Changi (SIN) handles the largest share of one-stop connections on this route.

Can I save money by using flexible dates for flights from Seattle to Perth?

Yes. Being flexible with your travel dates can save you up to 37% on the Seattle to Perth route. Monday is the cheapest departure day at $1,744 return on average, while Friday is the most expensive at $2,761, a difference of $1,017. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Perth?

Some of the most popular sights in Perth are RAC Arena, Perth Convention Exhibition Centre, and Perth Town Hall. These are among the most viewed places in Perth on KAYAK.

How long is a flight from Seattle to Perth?

A direct flight from Seattle to Perth takes 0h 00m, covering 23,917 km.

Do I need a passport to fly from Seattle to Perth?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from Seattle to Perth looking right now?

One-way fares from Seattle to Perth are currently lower than usual. Average one-way flight prices are about $806, which is 28% below the typical average for this route.

How much time can I save by choosing a different stopover airport from Seattle to Perth?

Flying via Singapore Changi (SIN) gives the shortest average 1-stop total travel time of 24h 58m, compared to 28h 49m via Hong Kong Intl (HKG) and 30h 28m via Doha Hamad Intl (DOH).

What is the time difference between Seattle and Perth?

Perth is 15 hours ahead of Seattle (Western Australia Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at Perth Airport (PER)?

Perth Airport (PER) hosts 5 major car hire companies, with daily rates starting from around $17 for economy cars. Top options include: • EverythingFleet • East Coast Car Rentals • Europcar • Ace Rental Cars • Bargain Car Rentals

How much should I expect to pay for a Seattle to Perth flight?

Return flights from Seattle to Perth range from $1,754 to $2,283, with an average of $1,823 over the past 12 months. Anything below $1,754 counts as a good deal.

What is the cheapest airline to fly from Seattle to Perth?

Singapore Airlines ($1,750) and Qatar Airways ($1,814) are the cheapest airlines to fly return from Seattle to Perth according to KAYAK data over the last 5 days.

What is the most popular stopover airport when flying from Seattle to Perth?

Singapore Changi (SIN) is the most popular stopover for the Seattle to Perth route. 66% of KAYAK users who booked 1-stop return journeys over the past 3 months connected via SIN.

What is the cheapest stopover airport when flying from Seattle to Perth?

Flights via Hong Kong Intl (HKG) offer the most affordable fares, with an average return price of $2,029. Based on KAYAK data over the past 3 months.

When flying from Seattle to Perth, which airport offers the shortest stopover?

Singapore Changi (SIN) had the shortest average connection time for Seattle to Perth stopovers at 841 minutes over the past 3 months.

$719 CHEAP FLIGHTS from Seattle to Perth (SEA - PER)

Save 17% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest return flight

$1,745

Typical prices: $1,754-$2,283

Multiple Airlines

Sat 10/11Sat 17/11

SEA - PER • 2 stops

Cheapest one-way flight

$719

Typical prices: $853-$1,392

Multiple Airlines

Sun 2/12

SEA - PER • 1 stop

Direct flights

Not available

There are currently no direct flights between Seattle and Perth. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

June

Cheapest • 5% price drop

November

Most popular

Good to know

Top stopover airports

Hong Kong Intl (HKG)

Cheapest • Avg $2,029 (return)

Singapore Changi (SIN)

Shortest trip • 24h 58m (one-way)

Insights

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you enjoy your trip to Perth!

Flight Deals

Cheap Flights from Seattle to Perth (SEA-PER)

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

Return

One-way

Last minute

Recent return flight deals from Seattle to Perth

Tue, 10 Nov - Tue, 17 Nov

11:00 - 16:25SEA Seattle/Tacoma Intl-PER Perth

37h 25m2 stops Incheon Intl Ho Chi Minh City

17:50 - 07:05PER Perth-SEA Seattle/Tacoma Intl

29h 15m1 stop Singapore Changi

$1,745Multiple Airlines

Tue, 10 Nov - Tue, 17 Nov

08:40 - 12:35SEA Seattle/Tacoma Intl-PER Perth

35h 55m1 stop Singapore Changi

17:05 - 07:05PER Perth-SEA Seattle/Tacoma Intl

30h 00m1 stop Singapore Changi

$1,750Singapore Airlines

Fri, 30 Oct - Fri, 6 Nov

16:40 - 05:50SEA Seattle/Tacoma Intl-PER Perth

46h 10m2 stops Tokyo Haneda Kuala Lumpur Intl

21:10 - 07:05PER Perth-SEA Seattle/Tacoma Intl

25h 55m1 stop Singapore Changi

$1,755Multiple Airlines

Wed, 21 Oct - Sun, 22 Nov

11:45 - 06:50SEA Seattle/Tacoma Intl-PER Perth

28h 05m1 stop Hong Kong Intl

08:30 - 08:45PER Perth-SEA Seattle/Tacoma Intl

40h 15m1 stop Hong Kong Intl

$1,762Cathay Pacific

Thu, 15 Oct - Thu, 22 Oct

16:30 - 05:40SEA Seattle/Tacoma Intl-PER Perth

46h 10m2 stops Tokyo Haneda Kuala Lumpur Intl

18:25 - 08:45PER Perth-SEA Seattle/Tacoma Intl

29h 20m1 stop Singapore Changi

$1,769Multiple Airlines

Wed, 21 Oct - Tue, 24 Nov

11:45 - 06:50SEA Seattle/Tacoma Intl-PER Perth

28h 05m1 stop Hong Kong Intl

08:30 - 08:45PER Perth-SEA Seattle/Tacoma Intl

40h 15m1 stop Hong Kong Intl

$1,781Cathay Pacific

Wed, 21 Oct - Mon, 23 Nov

11:45 - 06:50SEA Seattle/Tacoma Intl-PER Perth

28h 05m1 stop Hong Kong Intl

08:30 - 08:45PER Perth-SEA Seattle/Tacoma Intl

40h 15m1 stop Hong Kong Intl

$1,781Cathay Pacific

Tue, 27 Oct - Sat, 21 Nov

16:40 - 19:55SEA Seattle/Tacoma Intl-PER Perth

36h 15m2 stops Tokyo Haneda Kuala Lumpur Intl

21:10 - 07:05PER Perth-SEA Seattle/Tacoma Intl

25h 55m1 stop Singapore Changi

$1,781Multiple Airlines

Wed, 21 Oct - Tue, 24 Nov

11:45 - 06:50SEA Seattle/Tacoma Intl-PER Perth

28h 05m1 stop Hong Kong Intl

00:25 - 08:45PER Perth-SEA Seattle/Tacoma Intl

24h 20m1 stop Hong Kong Intl

$1,781Cathay Pacific

Tue, 27 Oct - Tue, 24 Nov

16:40 - 19:55SEA Seattle/Tacoma Intl-PER Perth

36h 15m2 stops Tokyo Haneda Kuala Lumpur Intl

21:10 - 07:05PER Perth-SEA Seattle/Tacoma Intl

25h 55m1 stop Singapore Changi

$1,781Multiple Airlines

Booking Insights

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

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

Prices

Airlines

Stopovers

What's the cheapest day of the week to fly from Seattle to Perth?

Monday is the cheapest day of the week to fly from Seattle to Perth and is 5% cheaper than the average day. Friday is the most expensive day with flight prices 51% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Low season	June
High season	November
Cheapest flight	$719

Best time to beat the crowds (5% less expensive on average)

Most popular time to fly (34% more expensive on average)

Flights from Seattle to Perth

When to book flights from Seattle to Perth

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

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Seattle to Perth?
Flights from Seattle to Perth usually depart from Seattle/Tacoma Intl (SEA) and arrive at Perth (PER).
Which cabin classes can I book on flights from Seattle to Perth?
Two cabin classes are available on flights from Seattle to Perth:

• Economy class
• Business Class
Which airports do connecting flights from Seattle to Perth pass through?
One-stop flights from Seattle to Perth most commonly connect through:

• Singapore Changi (SIN) – 66% of one-stop connections
• Doha Hamad Intl (DOH) – 22% of one-stop connections
• Hong Kong Intl (HKG) – 6% of one-stop connections
• Manila Ninoy Aquino Intl (MNL) – 6% of one-stop connections

Singapore Changi (SIN) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Seattle to Perth?
Yes. Being flexible with your travel dates can save you up to 37% on the Seattle to Perth route. Monday is the cheapest departure day at $1,744 return on average, while Friday is the most expensive at $2,761, a difference of $1,017. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What popular places can I visit in Perth?
Some of the most popular sights in Perth are RAC Arena, Perth Convention Exhibition Centre, and Perth Town Hall. These are among the most viewed places in Perth on KAYAK.
How long is a flight from Seattle to Perth?
A direct flight from Seattle to Perth takes 0h 00m, covering 23,917 km.
Do I need a passport to fly from Seattle to Perth?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How are flight prices from Seattle to Perth looking right now?
One-way fares from Seattle to Perth are currently lower than usual. Average one-way flight prices are about $806, which is 28% below the typical average for this route.
How much time can I save by choosing a different stopover airport from Seattle to Perth?
Flying via Singapore Changi (SIN) gives the shortest average 1-stop total travel time of 24h 58m, compared to 28h 49m via Hong Kong Intl (HKG) and 30h 28m via Doha Hamad Intl (DOH).
What is the time difference between Seattle and Perth?
Perth is 15 hours ahead of Seattle (Western Australia Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
Which car hire options are available at Perth Airport (PER)?
Perth Airport (PER) hosts 5 major car hire companies, with daily rates starting from around $17 for economy cars. Top options include:
• EverythingFleet
• East Coast Car Rentals
• Europcar
• Ace Rental Cars
• Bargain Car Rentals
How much should I expect to pay for a Seattle to Perth flight?
Return flights from Seattle to Perth range from $1,754 to $2,283, with an average of $1,823 over the past 12 months. Anything below $1,754 counts as a good deal.

If your dates are flexible, aim for a Monday departure instead of Friday. On this route, Monday flights average $1,744 – about $1,017 less than Friday (37% savings) based on the last 12 months.
If you can choose when to travel, plan your Seattle to Perth trip for June. Fares historically average $1,731 return in that month – typically $894 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Perth Airport.
- Sanno Marracoonda Perth Airport Hotel
- Ellard Bed & Breakfast

More options for your flight from Seattle to Perth

Add a hotel or car hire

Airports

Cabin class

Direct flights

Origins

Other Destinations

Return flight

Complete your trip to Perth with a hotel stay or car hire

Car hire in Perth

Hotels in Perth

Holidays in Perth

SEA - PER

$719 Find Cheap Flights from Seattle to Perth – Compare and Save

Everything you should know

Cheap Flights from Seattle to Perth (SEA-PER)

Recent return flight deals from Seattle to Perth

Recent one-way flight deals from Seattle to Perth

Recent last minute flight deals from Seattle to Perth

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

What's the cheapest day of the week to fly from Seattle to Perth?

What is the cheapest airline to fly from Seattle to Perth?

What is the most popular stopover airport when flying from Seattle to Perth?

What is the cheapest stopover airport when flying from Seattle to Perth?

When flying from Seattle to Perth, which airport offers the shortest stopover?

Key details for Seattle to Perth flights

Low season

High season

Cheapest flight

When to book flights from Seattle to Perth

Your Seattle to Perth flight questions, answered

Your guide to booking Seattle to Perth flights

More options for your flight from Seattle to Perth

Complete your trip to Perth with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights from Seattle to Perth

Find direct flights to and from Seattle and Perth

Flights from domestic origins to Perth

Flights to other popular destinations

Find deals for your return flight