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Cheap flights from Perth to Seattle from $961

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Perth to Seattle departing on 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Perth to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
05:35 - 10:40PER  Perth-SEA Seattle/Tacoma Intl
68h 05m3 stops Singapore Changi Taipei City Taiwan Taoyuan Intl Incheon Intl
Multiple Airlines Logo
12:50 - 17:10SEA  Seattle/Tacoma Intl-PER Perth
61h 20m3 stops Incheon Intl Taipei City Taiwan Taoyuan Intl Singapore Changi
$1,621Multiple Airlines
Fri, 4 Sep - Sun, 13 Sep
Multiple Airlines Logo
05:35 - 10:40PER  Perth-SEA Seattle/Tacoma Intl
68h 05m3 stops Singapore Changi Taipei City Taiwan Taoyuan Intl Incheon Intl
Multiple Airlines Logo
12:50 - 17:10SEA  Seattle/Tacoma Intl-PER Perth
61h 20m3 stops Incheon Intl Taipei City Taiwan Taoyuan Intl Singapore Changi
$1,634Multiple Airlines
Fri, 4 Sep - Sun, 13 Sep
Multiple Airlines Logo
05:35 - 10:40PER  Perth-SEA Seattle/Tacoma Intl
68h 05m3 stops Singapore Changi Taipei City Taiwan Taoyuan Intl Incheon Intl
Multiple Airlines Logo
12:50 - 17:10SEA  Seattle/Tacoma Intl-PER Perth
61h 20m3 stops Incheon Intl Taipei City Taiwan Taoyuan Intl Singapore Changi
$1,638Multiple Airlines
Fri, 4 Sep - Sun, 13 Sep
Singapore Airlines Logo
06:25 - 08:45PER  Perth-SEA Seattle/Tacoma Intl
41h 20m1 stop Singapore Changi
Singapore Airlines Logo
10:15 - 23:55SEA  Seattle/Tacoma Intl-PER Perth
22h 40m1 stop Singapore Changi
$2,453Singapore Airlines
Thu, 10 Sep - Thu, 1 Oct
Singapore Airlines Logo
06:25 - 08:45PER  Perth-SEA Seattle/Tacoma Intl
41h 20m1 stop Singapore Changi
Singapore Airlines Logo
10:15 - 05:10SEA  Seattle/Tacoma Intl-PER Perth
27h 55m1 stop Singapore Changi
$2,763Singapore Airlines
Fri, 25 Sep - Fri, 2 Oct
Singapore Airlines Logo
06:25 - 08:45PER  Perth-SEA Seattle/Tacoma Intl
41h 20m1 stop Singapore Changi
Singapore Airlines Logo
10:15 - 23:55SEA  Seattle/Tacoma Intl-PER Perth
22h 40m1 stop Singapore Changi
$2,788Singapore Airlines
Fri, 4 Sep - Sun, 13 Sep
Qantas Airways Logo
10:30 - 22:59PER  Perth-SEA Seattle/Tacoma Intl
27h 29m2 stops Sydney Kingsford Smith Los Angeles
Qantas Airways Logo
17:59 - 15:25SEA  Seattle/Tacoma Intl-PER Perth
30h 26m2 stops Los Angeles Sydney Kingsford Smith
$2,917Qantas Airways
Wed, 9 Sep - Tue, 29 Sep
Japan Airlines Logo
00:10 - 16:27PER  Perth-SEA Seattle/Tacoma Intl
31h 17m3 stops Hong Kong Intl Tokyo Narita Vancouver Intl
Japan Airlines Logo
13:15 - 06:50SEA  Seattle/Tacoma Intl-PER Perth
26h 35m2 stops Tokyo Narita Hong Kong Intl
$2,950Japan Airlines
Wed, 9 Sep - Sat, 19 Sep
Qantas Airways Logo
23:55 - 22:40PER  Perth-SEA Seattle/Tacoma Intl
37h 45m2 stops Sydney Kingsford Smith Los Angeles
Qantas Airways Logo
17:59 - 15:25SEA  Seattle/Tacoma Intl-PER Perth
30h 26m2 stops Los Angeles Sydney Kingsford Smith
$3,089Qantas Airways
Tue, 8 Sep - Tue, 29 Sep
Japan Airlines Logo
00:10 - 16:27PER  Perth-SEA Seattle/Tacoma Intl
31h 17m3 stops Hong Kong Intl Tokyo Narita Vancouver Intl
Japan Airlines Logo
11:10 - 06:50SEA  Seattle/Tacoma Intl-PER Perth
28h 40m3 stops Vancouver Intl Tokyo Narita Hong Kong Intl
$3,745Japan Airlines
Wed, 9 Sep - Sat, 19 Sep

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momondo Fare Finder

 
Customise your flight search to find flights from Perth to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 15 August 2026.
Use the filters below to find and compare flights from Perth to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Fri 4/9

05:35-10:40

3 stops68h 05m

Seattle/Tacoma Intl

Sun 13/9

12:50-17:10

3 stops61h 20m

$1,621

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Fri 4/9

05:35-10:40

3 stops68h 05m

Seattle/Tacoma Intl

Sun 13/9

12:50-17:10

3 stops61h 20m

$1,634

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Fri 4/9

05:35-10:40

3 stops68h 05m

Seattle/Tacoma Intl

Sun 13/9

12:50-17:10

3 stops61h 20m

$1,638

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/9

06:25-08:45

1 stop41h 20m

Seattle/Tacoma Intl

Thu 1/10

10:15-23:55

1 stop22h 40m

$2,453

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Fri 25/9

06:25-08:45

1 stop41h 20m

Seattle/Tacoma Intl

Fri 2/10

10:15-05:10

1 stop27h 55m

$2,763

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Fri 4/9

06:25-08:45

1 stop41h 20m

Seattle/Tacoma Intl

Sun 13/9

10:15-23:55

1 stop22h 40m

$2,788

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 9/9

10:30-22:59

2 stops27h 29m

Seattle/Tacoma Intl

Tue 29/9

17:59-15:25

2 stops30h 26m

$2,917
Fastest return journey

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 9/9

00:10-16:27

3 stops31h 17m

Seattle/Tacoma Intl

Sat 19/9

13:15-06:50

2 stops26h 35m

$2,950

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 8/9

23:55-22:40

2 stops37h 45m

Seattle/Tacoma Intl

Tue 29/9

17:59-15:25

2 stops30h 26m

$3,089

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 9/9

00:10-16:27

3 stops31h 17m

Seattle/Tacoma Intl

Sat 19/9

11:10-06:50

3 stops28h 40m

$3,745

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

How to get the cheapest flight ticket from Perth to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Perth and Seattle?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,506 to $2,046.
The lowest price recently found on this route was $1,634.

What is the cheapest month to fly to Seattle?

The month of February is, on average, the cheapest month to fly to Seattle from Perth, with most prices found around $1,528. If you are unable to visit Seattle during the month of February, then departing from Perth during the month October is also very affordable. Most momondo users find prices during this month for around $1,628.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 12% on your flight if you consider stops on a Perth to Seattle flight.

When to book flights from Perth to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Perth to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Perth to Seattle (PER to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Perth to Seattle

Fastest flight time

29h 20m

Direct flights

None
The fastest flight from Perth to Seattle takes 29h 20m
There are no direct flights from Perth to Seattle. There are no popular flight routes from Perth to Seattle.
Search flight deals

Frequently asked questions about flying from Perth to Seattle

  • How far is Perth to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 14868.9 km away from Perth. A reasonable flight in good conditions will take 29h 20m.

  • When did momondo last update prices for flights from Perth Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Perth Airport to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Perth Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Perth Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Perth Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Perth to Seattle?

Best airlines flying from Perth to Seattle

Compare and see reviews for airlines that fly from Perth to Seattle with momondo
Airline
Rating
Free cancellation
Price
Japan AirlinesPriceFrom $1,277Free cancellationRating
8.3
1,905 reviews
Search Japan Airlines flights
Qantas AirwaysPriceFrom $1,551Free cancellationRating
7.5
1,082 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,586Free cancellationRating
8.2
1,583 reviews
Search Singapore Airlines flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac

Why use momondo?

Why should I use momondo to find a flight deal from Perth to Seattle?

Finding the right flight to Seattle from Perth is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Perth to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Perth to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Perth to Seattle?

Once all potential Perth to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Perth to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Perth to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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