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Cheap flights from Perth to Seattle from $851

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 2/11. 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
$1,598Multiple Airlines
Sat, 5 Sep - Sat, 12 Sep
Multiple Airlines Logo
18:25 - 15:15PER  Perth-SEA Seattle/Tacoma Intl
35h 50m3 stops Singapore Changi Taipei City Taiwan Taoyuan Intl Incheon Intl
Multiple Airlines Logo
00:10 - 04:20SEA  Seattle/Tacoma Intl-PER Perth
61h 10m3 stops Incheon Intl Taipei City Taiwan Taoyuan Intl Singapore Changi
$1,617Multiple Airlines
Mon, 31 Aug - Tue, 8 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
$1,629Multiple Airlines
Sat, 5 Sep - Sat, 12 Sep
Qantas Airways Logo
10:30 - 19:39PER  Perth-SEA Seattle/Tacoma Intl
24h 09m2 stops Sydney Kingsford Smith Los Angeles Los Angeles
Qantas Airways Logo
16:59 - 13:35SEA  Seattle/Tacoma Intl-PER Perth
29h 36m2 stops Los Angeles Los Angeles Sydney Kingsford Smith
$2,120Qantas Airways
Tue, 25 Aug - Mon, 28 Sep
Qantas Airways Logo
10:30 - 23:59PER  Perth-SEA Seattle/Tacoma Intl
28h 29m2 stops Sydney Kingsford Smith Los Angeles Los Angeles
Qantas Airways Logo
17:02 - 13:35SEA  Seattle/Tacoma Intl-PER Perth
29h 33m2 stops Los Angeles Los Angeles Sydney Kingsford Smith
$2,120Qantas Airways
Thu, 27 Aug - Mon, 28 Sep
Qantas Airways Logo
22:55 - 23:59PER  Perth-SEA Seattle/Tacoma Intl
40h 04m2 stops Brisbane Los Angeles Los Angeles
Qantas Airways Logo
17:02 - 13:35SEA  Seattle/Tacoma Intl-PER Perth
29h 33m2 stops Los Angeles Los Angeles Sydney Kingsford Smith
$2,172Qantas Airways
Wed, 26 Aug - Mon, 28 Sep
Singapore Airlines Logo
13:45 - 08:45PER  Perth-SEA Seattle/Tacoma Intl
34h 00m1 stop Singapore Changi
Singapore Airlines Logo
10:15 - 12:30SEA  Seattle/Tacoma Intl-PER Perth
35h 15m1 stop Singapore Changi
$2,305Singapore Airlines
Wed, 2 Sep - Fri, 18 Sep
Singapore Airlines Logo
16:55 - 08:45PER  Perth-SEA Seattle/Tacoma Intl
30h 50m1 stop Singapore Changi
Singapore Airlines Logo
10:15 - 12:30SEA  Seattle/Tacoma Intl-PER Perth
35h 15m1 stop Singapore Changi
$2,308Singapore Airlines
Wed, 2 Sep - Fri, 18 Sep
Japan Airlines Logo
00:10 - 10:35PER  Perth-SEA Seattle/Tacoma Intl
25h 25m2 stops Hong Kong Intl Tokyo Narita
Japan Airlines Logo
11:10 - 06:50SEA  Seattle/Tacoma Intl-PER Perth
28h 40m3 stops Vancouver Intl Tokyo Narita Hong Kong Intl
$2,771Japan Airlines
Thu, 3 Sep - Fri, 11 Sep
Japan Airlines Logo
00:10 - 10:35PER  Perth-SEA Seattle/Tacoma Intl
25h 25m2 stops Hong Kong Intl Tokyo Narita
Japan Airlines Logo
11:10 - 06:50SEA  Seattle/Tacoma Intl-PER Perth
28h 40m3 stops Vancouver Intl Tokyo Narita Hong Kong Intl
$3,390Japan Airlines
Tue, 1 Sep - Fri, 18 Sep

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Singapore Airlines flights from Perth to Seattle

Our best Singapore Airlines deals on Perth to Seattle flight tickets
Singapore Airlines
2 Sept
PER13:45Perth
34h 00m
1 stop
SEA08:45Seattle/Tacoma Intl
18 Sept
SEA10:15Seattle/Tacoma Intl
35h 15m
1 stop
PER12:30Perth
$2,305
Singapore Airlines
2 Sept
PER16:55Perth
30h 50m
1 stop
SEA08:45Seattle/Tacoma Intl
18 Sept
SEA10:15Seattle/Tacoma Intl
35h 15m
1 stop
PER12:30Perth
$2,308
Singapore Airlines
2 Sept
PER06:25Perth
41h 20m
1 stop
SEA08:45Seattle/Tacoma Intl
18 Sept
SEA10:15Seattle/Tacoma Intl
35h 15m
1 stop
PER12:30Perth
$2,337

United Airlines flights from Perth to Seattle

Our best United Airlines deals on Perth to Seattle flight tickets
United Airlines
30 Aug
PER23:45Perth
31h 29m
2 stops
SEA16:14Seattle/Tacoma Intl
28 Sept
SEA15:18Seattle/Tacoma Intl
30h 12m
2 stops
PER12:30Perth
$2,093
United Airlines
24 Aug
PER17:15Perth
33h 11m
2 stops
SEA11:26Seattle/Tacoma Intl
28 Sept
SEA13:19Seattle/Tacoma Intl
32h 11m
2 stops
PER12:30Perth
$2,097
United Airlines
28 Aug
PER23:45Perth
35h 58m
2 stops
SEA20:43Seattle/Tacoma Intl
28 Sept
SEA16:35Seattle/Tacoma Intl
28h 55m
2 stops
PER12:30Perth
$2,163

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 10 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

Sat 5/9

05:35-10:40

3 stops68h 05m

Seattle/Tacoma Intl

Sat 12/9

12:50-17:10

3 stops61h 20m

$1,598

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 31/8

18:25-15:15

3 stops35h 50m

Seattle/Tacoma Intl

Tue 8/9

00:10-04:20

3 stops61h 10m

$1,617

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Sat 5/9

05:35-10:40

3 stops68h 05m

Seattle/Tacoma Intl

Sat 12/9

12:50-17:10

3 stops61h 20m

$1,629
Fastest return journey

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 25/8

10:30-19:39

2 stops24h 09m

Seattle/Tacoma Intl

Mon 28/9

16:59-13:35

2 stops29h 36m

$2,120

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 27/8

10:30-23:59

2 stops28h 29m

Seattle/Tacoma Intl

Mon 28/9

17:02-13:35

2 stops29h 33m

$2,120

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 26/8

22:55-23:59

2 stops40h 04m

Seattle/Tacoma Intl

Mon 28/9

17:02-13:35

2 stops29h 33m

$2,172

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 2/9

13:45-08:45

1 stop34h 00m

Seattle/Tacoma Intl

Fri 18/9

10:15-12:30

1 stop35h 15m

$2,305

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 2/9

16:55-08:45

1 stop30h 50m

Seattle/Tacoma Intl

Fri 18/9

10:15-12:30

1 stop35h 15m

$2,308

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 3/9

00:10-10:35

2 stops25h 25m

Seattle/Tacoma Intl

Fri 11/9

11:10-06:50

3 stops28h 40m

$2,771

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 1/9

00:10-10:35

2 stops25h 25m

Seattle/Tacoma Intl

Fri 18/9

11:10-06:50

3 stops28h 40m

$3,390

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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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 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 $1,529. If you are unable to visit Seattle during the month of February, then departing from Perth during the month August is also very affordable. Most momondo users find prices during this month for around $1,578.

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

28h 42m

Direct flights

None
The fastest flight from Perth to Seattle takes 28h 42m
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 28h 42m.

  • 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 $1,279Free cancellationRating
8.3
1,893 reviews
Search Japan Airlines flights
Qantas AirwaysPriceFrom $1,552Free cancellationRating
7.5
1,081 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,588Free cancellationRating
8.2
1,584 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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