SEA - PER

$587 Find Cheap Flights from Seattle to Perth - Compare and Save

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Everything you should know

Cheapest round-trip
$1,218
Typical prices: $1,247-$1,624
Multiple Airlines
Sun 11/11Sat 11/24
SEA - PER • 2 stops
Cheapest one-way
$587
Typical prices: $606-$989
Multiple Airlines
Fri 11/16
SEA - PER • 2 stops
Nonstop 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
Insights
When to travel
June
Cheapest • 5% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Hong Kong Intl (HKG)
Cheapest • Avg $1,442 (round-trip)
Singapore Changi (SIN)
Shortest trip • 24h 58m (one-way)
Insights
Insights
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Booking Insights
Flight Deals

Cheap Flights from Seattle to Perth (SEA-PER)

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

Recent round-trip flight deals from Seattle to Perth

Wed, Nov 11 - Tue, Nov 24
Multiple Airlines Logo
11:00 am - 4:25 pmSEA  Seattle/Tacoma Intl-PER Perth
37h 25m2 stops Incheon Intl Ho Chi Minh City
Multiple Airlines Logo
9:10 pm - 7:05 amPER  Perth-SEA Seattle/Tacoma Intl
25h 55m1 stop Singapore Changi
$1,218Multiple Airlines
Wed, Nov 11 - Tue, Nov 24
Multiple Airlines Logo
11:00 am - 4:25 pmSEA  Seattle/Tacoma Intl-PER Perth
37h 25m2 stops Incheon Intl Ho Chi Minh City
Multiple Airlines Logo
9:10 pm - 7:05 amPER  Perth-SEA Seattle/Tacoma Intl
25h 55m1 stop Singapore Changi
$1,231Multiple Airlines
Tue, Oct 20 - Sun, Oct 25
Cathay Pacific Logo
11:45 am - 6:50 amSEA  Seattle/Tacoma Intl-PER Perth
28h 05m1 stop Hong Kong Intl
Cathay Pacific Logo
8:30 am - 9:45 amPER  Perth-SEA Seattle/Tacoma Intl
40h 15m1 stop Hong Kong Intl
$1,240Cathay Pacific
Wed, Nov 11 - Tue, Nov 24
Singapore Airlines Logo
8:40 am - 5:25 amSEA  Seattle/Tacoma Intl-PER Perth
28h 45m1 stop Singapore Changi
Singapore Airlines Logo
6:40 am - 7:05 amPER  Perth-SEA Seattle/Tacoma Intl
40h 25m1 stop Singapore Changi
$1,244Singapore Airlines
Wed, Nov 11 - Tue, Nov 24
Singapore Airlines Logo
8:40 am - 5:25 amSEA  Seattle/Tacoma Intl-PER Perth
28h 45m1 stop Singapore Changi
Singapore Airlines Logo
6:40 am - 7:05 amPER  Perth-SEA Seattle/Tacoma Intl
40h 25m1 stop Singapore Changi
$1,244Singapore Airlines
Tue, Oct 20 - Mon, Oct 26
Cathay Pacific Logo
11:45 am - 6:50 amSEA  Seattle/Tacoma Intl-PER Perth
28h 05m1 stop Hong Kong Intl
Cathay Pacific Logo
12:25 am - 9:45 amPER  Perth-SEA Seattle/Tacoma Intl
24h 20m1 stop Hong Kong Intl
$1,245Cathay Pacific
Tue, Jan 26 - Tue, Feb 16
Qatar Airways Logo
3:50 pm - 6:45 pmSEA  Seattle/Tacoma Intl-PER Perth
34h 55m1 stop Doha Hamad Intl
Qatar Airways Logo
10:45 pm - 11:40 amPER  Perth-SEA Seattle/Tacoma Intl
28h 55m1 stop Doha Hamad Intl
$1,295Qatar Airways
Tue, Jan 26 - Wed, Feb 17
Qatar Airways Logo
3:50 pm - 6:45 pmSEA  Seattle/Tacoma Intl-PER Perth
34h 55m1 stop Doha Hamad Intl
Qatar Airways Logo
10:45 pm - 11:40 amPER  Perth-SEA Seattle/Tacoma Intl
28h 55m1 stop Doha Hamad Intl
$1,295Qatar Airways
Sun, Dec 27 - Tue, Jan 26
Singapore Airlines Logo
8:40 am - 12:05 amSEA  Seattle/Tacoma Intl-PER Perth
23h 25m1 stop Singapore Changi
Singapore Airlines Logo
6:40 am - 7:05 amPER  Perth-SEA Seattle/Tacoma Intl
40h 25m1 stop Singapore Changi
$1,305Singapore Airlines
Thu, Jan 28 - Wed, Feb 17
Qatar Airways Logo
3:50 pm - 6:45 pmSEA  Seattle/Tacoma Intl-PER Perth
34h 55m1 stop Doha Hamad Intl
Qatar Airways Logo
10:45 pm - 11:40 amPER  Perth-SEA Seattle/Tacoma Intl
28h 55m1 stop Doha Hamad Intl
$1,335Qatar Airways
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.

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, it 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.

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Key details for Seattle to Perth flights

Low season

June

Cheapest flight

$587
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 34% increase in price.
Flight 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 round-trip price

Your Seattle to Perth 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 Seattle to Perth?

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

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

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

    • Economy Class
    • Premium 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 $1,240 round-trip on average, while Friday is the most expensive at $1,963, a difference of $723. 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 Elizabeth Quay, RAC Arena and Hay Street Mall. These are among the most viewed places in Perth on KAYAK.

  • How long is a flight from Seattle to Perth?

    A nonstop flight from Seattle to Perth takes 0h 00m, covering 9,235 miles.

  • 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 higher than usual. Average one-way flight prices are about $1,807, which is 129% above the typical average for this route.

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

    Flying via Singapore Changi (SIN) gives the shortest average 1-stop total travel time at 24h 58m, compared with 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.

  • What car rental options are available at Perth Airport (PER)?

    Perth Airport (PER) hosts 5 major car rental companies, with daily rates starting from around $12 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?

    Round-trip flights from Seattle to Perth range from $1,247 to $1,624, with an average of $1,296 over the past 12 months. Anything below $1,247 counts as a good deal.

Your guide to booking Seattle to Perth flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Friday. On this route, Monday flights average $1,240 - about $723 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 $1,231 round-trip in that month - typically $636 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

More options for your flight from Seattle to Perth

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

Car rentals in Perth
Hotels in Perth
Vacations in Perth