PER - SEA

$769 Find Cheap Flights from Perth to Seattle – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
$1,327
Typical prices: $1,802-$2,290
Philippine Airlines
Fri 9/11Tue 13/11
PER - SEA • 1 stop
Cheapest one-way flight
$769
Typical prices: $1,149-$1,693
Philippine Airlines
Thu 1/3
PER - SEA • 1 stop
Direct flights
Not available
There are currently no direct flights between Perth and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 25% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Manila Ninoy Aquino Intl (MNL)
Cheapest • Avg $1,606 (return)
Singapore Changi (SIN)
Shortest trip • 23h 33m (one-way)
Insights
Insights
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We hope you enjoy your trip to Seattle!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Perth to Seattle (PER-SEA)

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

Recent return flight deals from Perth to Seattle

Mon, 9 Nov - Fri, 13 Nov
Philippine Airlines Logo
08:35 - 18:45PER  Perth-SEA Seattle/Tacoma Intl
26h 10m1 stop Manila Ninoy Aquino Intl
Philippine Airlines Logo
21:30 - 07:20SEA  Seattle/Tacoma Intl-PER Perth
41h 50m1 stop Manila Ninoy Aquino Intl
$1,327Philippine Airlines
15 hours ago
Mon, 9 Nov - Sun, 29 Nov
Multiple Airlines Logo
08:35 - 18:45PER  Perth-SEA Seattle/Tacoma Intl
26h 10m1 stop Manila Ninoy Aquino Intl
Multiple Airlines Logo
08:40 - 08:25SEA  Seattle/Tacoma Intl-PER Perth
31h 45m1 stop Singapore Changi
$1,527Multiple Airlines
2 days ago
Thu, 10 Dec - Fri, 11 Dec
Philippine Airlines Logo
08:35 - 18:45PER  Perth-SEA Seattle/Tacoma Intl
26h 10m1 stop Manila Ninoy Aquino Intl
Philippine Airlines Logo
21:30 - 07:20SEA  Seattle/Tacoma Intl-PER Perth
41h 50m1 stop Manila Ninoy Aquino Intl
$1,567Philippine Airlines
3+ days ago
Tue, 26 Jan - Tue, 9 Feb
Singapore Airlines Logo
13:50 - 07:05PER  Perth-SEA Seattle/Tacoma Intl
33h 15m1 stop Singapore Changi
Singapore Airlines Logo
08:40 - 00:05SEA  Seattle/Tacoma Intl-PER Perth
23h 25m1 stop Singapore Changi
$1,777Singapore Airlines
3+ days ago
Sun, 6 Dec - Fri, 22 Jan
Qantas Airways Logo
23:10 - 14:16PER  Perth-SEA Seattle/Tacoma Intl
31h 06m2 stops Brisbane Los Angeles
Qantas Airways Logo
13:30 - 10:10SEA  Seattle/Tacoma Intl-PER Perth
28h 40m2 stops San Francisco Sydney Kingsford Smith
$2,124Qantas Airways
12 hours ago
Fri, 4 Dec - Fri, 22 Jan
Qantas Airways Logo
11:35 - 21:24PER  Perth-SEA Seattle/Tacoma Intl
25h 49m2 stops Sydney Kingsford Smith San Francisco
Qantas Airways Logo
13:30 - 10:10SEA  Seattle/Tacoma Intl-PER Perth
28h 40m2 stops San Francisco Sydney Kingsford Smith
$2,141Qantas Airways
12 hours ago
Mon, 23 Nov - Tue, 1 Dec
Singapore Airlines Logo
01:20 - 07:05PER  Perth-SEA Seattle/Tacoma Intl
21h 45m1 stop Singapore Changi
Singapore Airlines Logo
08:40 - 05:25SEA  Seattle/Tacoma Intl-PER Perth
28h 45m1 stop Singapore Changi
$2,188Singapore Airlines
1 day ago
Sat, 5 Dec - Fri, 22 Jan
Qantas Airways Logo
22:55 - 13:02PER  Perth-SEA Seattle/Tacoma Intl
30h 07m2 stops Sydney Kingsford Smith Los Angeles
Qantas Airways Logo
13:30 - 10:10SEA  Seattle/Tacoma Intl-PER Perth
28h 40m2 stops San Francisco Sydney Kingsford Smith
$2,202Qantas Airways
12 hours ago
Fri, 20 Nov - Sat, 28 Nov
Singapore Airlines Logo
01:20 - 07:05PER  Perth-SEA Seattle/Tacoma Intl
21h 45m1 stop Singapore Changi
Singapore Airlines Logo
08:40 - 00:05SEA  Seattle/Tacoma Intl-PER Perth
23h 25m1 stop Singapore Changi
$2,402Singapore Airlines
2 days ago
Thu, 10 Dec - Thu, 17 Dec
Japan Airlines Logo
08:45 - 09:55PER  Perth-SEA Seattle/Tacoma Intl
41h 10m2 stops Melbourne Tokyo Narita
Japan Airlines Logo
12:00 - 22:55SEA  Seattle/Tacoma Intl-PER Perth
42h 55m2 stops Tokyo Narita Hong Kong Intl
$3,436Japan Airlines
15 hours ago
Booking Insights

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

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

How much is a return flight from Perth to Seattle?

Return flights from Perth to Seattle typically range from $1,802 to $2,290. The lowest price found in the past 5 days was $1,327 on Philippine Airlines.

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Perth to Seattle. It's 12% cheaper than the average day, while Wednesday is the most expensive, with prices 9% higher.

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

•February is the cheapest month to fly from Perth to Seattle at $1,536 return.
•December ($2,500) and June ($2,290) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 62% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Perth to Seattle flights

Low season

November

Cheapest flight

$769
Beat the crowds with an average 71% drop in travellers.
The most popular month to fly with an average 85% increase in travellers.
One-way flight from Perth to Seattle

When to book flights from Perth to Seattle

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

Your Perth to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

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

    Three cabin classes are available on flights from Perth to Seattle:

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Perth to Seattle?

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

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

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

    Return flights from Perth to Seattle range from $1,802 to $2,290, with an average of $2,035 over the past 12 months. Anything below $1,802 counts as a good deal.

  • Have flight prices from Perth to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about $1,327 to $6,910. That means the highest observed fare was about 5x higher than the lowest one.

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

    One-way fares from Perth to Seattle are currently lower than usual. Average one-way flight prices are about $1,296, which is 5% below the typical average for this route.

  • Which car hire options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car hire companies, with daily rates starting from around $5 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Hertz

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

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

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

    One-stop flights from Perth to Seattle most commonly connect through:

    • Singapore Changi (SIN) – 83% of one-stop connections
    • Doha Hamad Intl (DOH) – 9% of one-stop connections
    • Manila Ninoy Aquino Intl (MNL) – 9% of one-stop connections

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

    Yes. Flexible dates can save you up to 20% on flights from Perth to Seattle. Monday is the cheapest departure day at $1,801 return on average, while Wednesday is the most expensive at $2,230, a difference of $429.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

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

    Flying via Singapore Changi (SIN) gives the shortest average 1-stop total travel time of 23h 33m, compared to 29h 30m via Doha Hamad Intl (DOH) and 33h 41m via Manila Ninoy Aquino Intl (MNL).

  • What is the time difference between Perth and Seattle?

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

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Lumen Field, Space Needle, and McCaw Hall. These are among the most viewed places in Seattle on KAYAK.

Your guide to booking Perth to Seattle flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Wednesday. On this route, Monday flights average $1,801, about $429 less than Wednesday fares (19% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Perth to Seattle trip for February. Fares historically average $1,536 return in that month – typically $965 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 Seattle/Tacoma Intl Airport.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from Perth to Seattle

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

Car hire in Seattle
Hotels in Seattle
Holidays in Seattle