Australia
AUD

PER - SEA

$875 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
$1,634
Typical prices: $1,703-$2,253
Philippine Airlines
Mon 22/10Tue 6/11
PER - SEA • 1 stop
Cheapest one-way flight
$875
Typical prices: $1,007-$1,610
Multiple Airlines
Sun 14/10
PER - SEA • 3 stops
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 • 22% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Manila Ninoy Aquino Intl (MNL)
Cheapest • Avg $1,628 (return)
Singapore Changi (SIN)
Shortest trip • 23h 08m (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

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
$1,634Philippine Airlines
Mon, 16 Nov - Mon, 23 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
$1,670Philippine Airlines
Thu, 24 Dec - Mon, 4 Jan
United Airlines Logo
23:30 - 18:29PER  Perth-SEA Seattle/Tacoma Intl
34h 59m2 stops Brisbane San Francisco
United Airlines Logo
13:18 - 14:10SEA  Seattle/Tacoma Intl-PER Perth
32h 52m2 stops San Francisco Adelaide
$1,781United Airlines
Tue, 10 Nov - Wed, 2 Dec
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
$1,788Singapore Airlines
Mon, 16 Nov - Mon, 23 Nov
Multiple Airlines Logo
19:00 - 08:45PER  Perth-SEA Seattle/Tacoma Intl
53h 45m2 stops Denpasar Bali Ngurah Rai Hong Kong Intl
Multiple Airlines Logo
10:25 - 21:45SEA  Seattle/Tacoma Intl-PER Perth
43h 20m2 stops Hong Kong Intl Denpasar Bali Ngurah Rai
$1,837Multiple Airlines
Thu, 22 Oct - Fri, 6 Nov
Multiple Airlines Logo
09:30 - 08:25PER  Perth-SEA Seattle/Tacoma Intl
37h 55m1 stop Singapore Changi
Multiple Airlines Logo
15:40 - 05:50SEA  Seattle/Tacoma Intl-PER Perth
46h 10m2 stops Tokyo Haneda Kuala Lumpur Intl
$1,844Multiple Airlines
Wed, 11 Nov - Tue, 1 Dec
Multiple Airlines Logo
18:30 - 09:05PER  Perth-SEA Seattle/Tacoma Intl
30h 35m2 stops Denpasar Bali Ngurah Rai Incheon Intl
Multiple Airlines Logo
00:10 - 10:50SEA  Seattle/Tacoma Intl-PER Perth
42h 40m2 stops Incheon Intl Denpasar Bali Ngurah Rai
$1,918Multiple Airlines
Mon, 16 Nov - Mon, 23 Nov
Multiple Airlines Logo
23:45 - 14:39PER  Perth-SEA Seattle/Tacoma Intl
30h 54m2 stops Melbourne San Francisco
Multiple Airlines Logo
21:30 - 07:20SEA  Seattle/Tacoma Intl-PER Perth
41h 50m1 stop Manila Ninoy Aquino Intl
$1,987Multiple Airlines
Mon, 16 Nov - Mon, 23 Nov
Multiple Airlines Logo
19:00 - 08:45PER  Perth-SEA Seattle/Tacoma Intl
53h 45m2 stops Denpasar Bali Ngurah Rai Hong Kong Intl
Multiple Airlines Logo
14:15 - 21:45SEA  Seattle/Tacoma Intl-PER Perth
39h 30m3 stops Los Angeles Hong Kong Intl Denpasar Bali Ngurah Rai
$1,988Multiple Airlines
Wed, 21 Oct - Sun, 25 Oct
Singapore Airlines Logo
16:55 - 08:25PER  Perth-SEA Seattle/Tacoma Intl
30h 30m1 stop Singapore Changi
Singapore Airlines Logo
09:40 - 00:05SEA  Seattle/Tacoma Intl-PER Perth
23h 25m1 stop Singapore Changi
$2,374Singapore 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 with more confidence.

How much is a return flight from Perth to Seattle?

Return flights from Perth to Seattle typically range from $1,703 to $2,253. The lowest price found in the past 5 days was $1,634 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 18% cheaper than the average day, while Wednesday is the most expensive, with prices 13% higher.

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

•February is the cheapest month to fly from Perth to Seattle at $1,556 return.
•March ($2,375) and June ($2,321) 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

$875
Beat the crowds with an average 46% drop in traveller numbers.
The most popular month to fly with an average 116% increase in traveller numbers.
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 $1,703 to $2,253, with an average of $1,983 over the past 12 months. Anything below $1,703 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 $1,634 to $7,196. That means the highest observed fare was about 4x 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 in line with typical prices for this route. Average one-way fares are about $1,238.

  • 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

  • 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) – 75% of one-stop connections
    • Doha Hamad Intl (DOH) – 16% 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 28% on flights from Perth to Seattle. Monday is the cheapest departure day at $1,630 return on average, while Wednesday is the most expensive at $2,260, a difference of $631.

    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 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.

  • 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 $1,630, about $631 less than Wednesday fares (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 $1,556 return in that month – typically $819 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