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Cheap flights from Perth to Seattle from $988

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 28/5. 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

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Cheap return flights

Enter your travel dates to find the best prices.
Philippine Airlines Logo
08:35 - 20:05
PER
-
SEA
26h 30m
1 stop
Philippine Airlines Logo
23:55 - 07:15
SEA
-
PER
40h 20m
1 stop
$1,628Philippine Airlines
Thu, 22 Oct - Mon, 26 Oct
Philippine Airlines Logo
08:35 - 20:05
PER
-
SEA
26h 30m
1 stop
Philippine Airlines Logo
23:55 - 07:15
SEA
-
PER
40h 20m
1 stop
$1,737Philippine Airlines
Thu, 22 Oct - Mon, 26 Oct
Multiple Airlines Logo
05:35 - 15:15
PER
-
SEA
48h 40m
3 stops
Multiple Airlines Logo
00:10 - 04:15
SEA
-
PER
61h 05m
3 stops
$1,776Multiple Airlines
Thu, 22 Oct - Sun, 25 Oct
Multiple Airlines Logo
18:25 - 16:10
PER
-
SEA
36h 45m
2 stops
Multiple Airlines Logo
01:15 - 17:10
SEA
-
PER
48h 55m
2 stops
$1,862Multiple Airlines
Thu, 3 Sep - Mon, 14 Sep
Qantas Airways Logo
23:45 - 22:44
PER
-
SEA
37h 59m
2 stops
Qantas Airways Logo
17:04 - 19:10
SEA
-
PER
35h 06m
2 stops
$1,869Qantas Airways
Mon, 8 Jun - Sun, 21 Jun
Multiple Airlines Logo
22:55 - 15:15
PER
-
SEA
31h 20m
2 stops
Multiple Airlines Logo
23:55 - 07:15
SEA
-
PER
40h 20m
1 stop
$1,907Multiple Airlines
Thu, 22 Oct - Mon, 26 Oct
Singapore Airlines Logo
16:55 - 08:45
PER
-
SEA
30h 50m
1 stop
Singapore Airlines Logo
08:45 - 05:25
SEA
-
PER
28h 40m
1 stop
$1,913Singapore Airlines
Thu, 22 Oct - Thu, 5 Nov
Multiple Airlines Logo
05:35 - 15:15
PER
-
SEA
48h 40m
3 stops
Multiple Airlines Logo
00:10 - 17:10
SEA
-
PER
50h 00m
3 stops
$1,920Multiple Airlines
Thu, 17 Sep - Fri, 16 Oct
Multiple Airlines Logo
18:25 - 15:15
PER
-
SEA
59h 50m
2 stops
Multiple Airlines Logo
00:10 - 17:10
SEA
-
PER
50h 00m
2 stops
$1,931Multiple Airlines
Wed, 2 Sep - Mon, 14 Sep
American Airlines Logo
23:55 - 21:49
PER
-
SEA
36h 54m
2 stops
American Airlines Logo
14:40 - 11:15
SEA
-
PER
29h 35m
2 stops
$1,938American Airlines
Sun, 7 Jun - Wed, 17 Jun

American Airlines flights from Perth to Seattle

Our best American Airlines deals on Perth to Seattle flight tickets
American Airlines
7 June
PER23:55Perth
36h 54m
2 stops
SEA21:49Seattle/Tacoma Intl
17 June
SEA14:40Seattle/Tacoma Intl
29h 35m
2 stops
PER11:15Perth
$1,938
American Airlines
8 June
PER10:35Perth
42h 22m
2 stops
SEA13:57Seattle/Tacoma Intl
15 June
SEA07:01Seattle/Tacoma Intl
37h 14m
2 stops
PER11:15Perth
$1,940
American Airlines
7 June
PER23:55Perth
29h 02m
2 stops
SEA13:57Seattle/Tacoma Intl
16 June
SEA14:40Seattle/Tacoma Intl
31h 55m
2 stops
PER13:35Perth
$1,945

United Airlines flights from Perth to Seattle

Our best United Airlines deals on Perth to Seattle flight tickets
United Airlines
7 June
PER23:55Perth
36h 15m
3 stops
SEA21:10Seattle/Tacoma Intl
15 June
SEA17:06Seattle/Tacoma Intl
27h 34m
2 stops
PER11:40Perth
$2,090
United Airlines
17 June
PER18:10Perth
33h 24m
2 stops
SEA12:34Seattle/Tacoma Intl
8 July
SEA08:35Seattle/Tacoma Intl
36h 05m
2 stops
PER11:40Perth
$2,102
United Airlines
13 June
PER13:15Perth
42h 14m
2 stops
SEA16:29Seattle/Tacoma Intl
15 July
SEA17:04Seattle/Tacoma Intl
27h 36m
2 stops
PER11:40Perth
$2,162

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 14 May 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 - SEA

PERSEA

Perth

Thu 22/10

08:35-20:05

1 stop26h 30m

Seattle/Tacoma Intl

Mon 26/10

23:55-07:15

1 stop40h 20m

$1,628

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 22/10

08:35-20:05

1 stop26h 30m

Seattle/Tacoma Intl

Mon 26/10

23:55-07:15

1 stop40h 20m

$1,737

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 22/10

05:35-15:15

3 stops48h 40m

Seattle/Tacoma Intl

Sun 25/10

00:10-04:15

3 stops61h 05m

$1,776

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/9

18:25-16:10

2 stops36h 45m

Seattle/Tacoma Intl

Mon 14/9

01:15-17:10

2 stops48h 55m

$1,862

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 8/6

23:45-22:44

2 stops37h 59m

Seattle/Tacoma Intl

Sun 21/6

17:04-19:10

2 stops35h 06m

$1,869

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 22/10

22:55-15:15

2 stops31h 20m

Seattle/Tacoma Intl

Mon 26/10

23:55-07:15

1 stop40h 20m

$1,907
Fastest return journey

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 22/10

16:55-08:45

1 stop30h 50m

Seattle/Tacoma Intl

Thu 5/11

08:45-05:25

1 stop28h 40m

$1,913

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 17/9

05:35-15:15

3 stops48h 40m

Seattle/Tacoma Intl

Fri 16/10

00:10-17:10

3 stops50h 00m

$1,920

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 2/9

18:25-15:15

2 stops59h 50m

Seattle/Tacoma Intl

Mon 14/9

00:10-17:10

2 stops50h 00m

$1,931

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 7/6

23:55-21:49

2 stops36h 54m

Seattle/Tacoma Intl

Wed 17/6

14:40-11:15

2 stops29h 35m

$1,938

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?

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 $1,273. If you are unable to visit Seattle during the month of February, then departing from Perth during the month September is also very affordable. Most momondo users find prices during this month for around $1,466.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 39% on your flight if you consider stops on a Perth to Seattle flight.

How have Perth to Seattle flight prices changed over time?

As of May 2026, prices for Perth to Seattle flights are approximately 1% more expensive when compared to flights at the same time last year.

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

25h 19m

Direct flights

None
The fastest flight from Perth to Seattle takes 25h 19m
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 25h 19m.

  • 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 $1,248Free cancellationRating
8.3
1,825 reviews
Search Japan Airlines flights
Qantas AirwaysPriceFrom $1,542Free cancellationRating
7.5
1,037 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,549Free cancellationRating
8.2
1,513 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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