PER - SEA

$869 Find Cheap Flights from Perth to Seattle – Compare and Save

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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

Thu, 22 Oct - Fri, 6 Nov
Philippine Airlines Logo
08:35 - 20:05PER  Perth-SEA Seattle/Tacoma Intl
26h 30m1 stop Manila Ninoy Aquino Intl
Philippine Airlines Logo
21:30 - 07:20SEA  Seattle/Tacoma Intl-PER Perth
41h 50m1 stop Manila Ninoy Aquino Intl
$1,624Philippine Airlines
Thu, 22 Oct - Fri, 6 Nov
Multiple Airlines Logo
09:30 - 08:45PER  Perth-SEA Seattle/Tacoma Intl
38h 15m1 stop Singapore Changi
Multiple Airlines Logo
11:00 - 16:25SEA  Seattle/Tacoma Intl-PER Perth
37h 25m2 stops Incheon Intl Ho Chi Minh City
$1,627Multiple Airlines
Thu, 22 Oct - Fri, 6 Nov
Philippine Airlines Logo
08:35 - 20:05PER  Perth-SEA Seattle/Tacoma Intl
26h 30m1 stop Manila Ninoy Aquino Intl
Philippine Airlines Logo
21:30 - 07:20SEA  Seattle/Tacoma Intl-PER Perth
41h 50m1 stop Manila Ninoy Aquino Intl
$1,668Philippine Airlines
Tue, 6 Oct - Tue, 13 Oct
Qantas Airways Logo
10:30 - 19:50PER  Perth-SEA Seattle/Tacoma Intl
24h 20m2 stops Sydney Kingsford Smith Los Angeles Los Angeles
Qantas Airways Logo
17:04 - 12:05SEA  Seattle/Tacoma Intl-PER Perth
28h 01m2 stops Los Angeles Los Angeles Brisbane
$1,742Qantas Airways
Wed, 14 Oct - Sun, 1 Nov
Singapore Airlines Logo
13:45 - 08:45PER  Perth-SEA Seattle/Tacoma Intl
34h 00m1 stop Singapore Changi
Singapore Airlines Logo
08:40 - 14:45SEA  Seattle/Tacoma Intl-PER Perth
62h 05m1 stop Singapore Changi
$1,801Singapore Airlines
Thu, 29 Oct - Sun, 1 Nov
Singapore Airlines Logo
17:05 - 08:05PER  Perth-SEA Seattle/Tacoma Intl
30h 00m1 stop Singapore Changi
Singapore Airlines Logo
08:40 - 14:45SEA  Seattle/Tacoma Intl-PER Perth
62h 05m1 stop Singapore Changi
$1,807Singapore Airlines
Thu, 15 Oct - Fri, 30 Oct
Qantas Airways Logo
10:30 - 19:50PER  Perth-SEA Seattle/Tacoma Intl
24h 20m2 stops Sydney Kingsford Smith Los Angeles Los Angeles
Qantas Airways Logo
16:37 - 11:10SEA  Seattle/Tacoma Intl-PER Perth
27h 33m2 stops Los Angeles Los Angeles Brisbane
$1,833Qantas Airways
Sun, 20 Sep - Wed, 30 Sep
Qantas Airways Logo
22:55 - 22:59PER  Perth-SEA Seattle/Tacoma Intl
39h 04m2 stops Brisbane Los Angeles Los Angeles
Qantas Airways Logo
16:59 - 21:55SEA  Seattle/Tacoma Intl-PER Perth
37h 56m2 stops Los Angeles Los Angeles Sydney Kingsford Smith
$1,846Qantas Airways
Thu, 22 Oct - Fri, 6 Nov
Japan Airlines Logo
12:15 - 10:35PER  Perth-SEA Seattle/Tacoma Intl
37h 20m2 stops Singapore Changi Tokyo Narita
Japan Airlines Logo
12:00 - 22:55SEA  Seattle/Tacoma Intl-PER Perth
42h 55m2 stops Tokyo Narita Hong Kong Intl
$2,318Japan Airlines
Fri, 2 Oct - Sat, 10 Oct
Japan Airlines Logo
00:10 - 14:16PER  Perth-SEA Seattle/Tacoma Intl
29h 06m3 stops Hong Kong Intl Tokyo Narita Vancouver Intl
Japan Airlines Logo
11:20 - 06:50SEA  Seattle/Tacoma Intl-PER Perth
28h 30m3 stops Vancouver Intl Tokyo Narita Hong Kong Intl
$4,288Japan Airlines
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 from Perth to Seattle with more confidence.

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

Monday is the cheapest day of the week to fly from Perth to Seattle and is 18% cheaper than the average day. Wednesday is the most expensive day with flight prices 13% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from Perth to Seattle at $1,498 return.
  • March ($2,286) and June ($2,234) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 52% 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

$869
Best time to beat the crowds (10% less expensive on average)
Most popular time to fly (14% more expensive on average)
Flights 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 route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • 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 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

  • 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) – 75% of one-stop connections
    • Doha Hamad Intl (DOH) – 16% of one-stop connections
    • Manila Ninoy Aquino Intl (MNL) – 9% 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 Perth to Seattle?

    Yes. Being flexible with your travel dates can save you up to 28% on the Perth to Seattle route. Monday is the cheapest departure day at $1,568 return on average, while Wednesday is the most expensive at $2,175, a difference of $607. 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 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.

  • How long is a flight from Perth to Seattle?

    A direct flight from Perth to Seattle takes 0h 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 are flight prices from Perth to Seattle looking right now?

    One-way fares from Perth to Seattle are currently in line with typical prices for this route. Average one-way fares are about $1,249.

  • 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 08m, compared to 29h 08m 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.

  • 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
    · Dollar

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

    Return flights from Perth to Seattle range from $1,639 to $2,168, with an average of $1,909 over the past 12 months. Anything below $1,639 counts as a good deal.

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 instead of Wednesday. On this route, Monday flights average $1,568 – about $607 less than Wednesday (28% 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 $1,498 return in that month – typically $788 less than the most expensive month, which is March (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.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - 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