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Cheap flights from Perth to Seattle from $945

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 24/5. 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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Find the cheapest flights from Perth to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
22:40 - 10:05
PER
-
SEA
26h 25m
2 stops
Multiple Airlines Logo
19:20 - 15:45
SEA
-
PER
29h 25m
2 stops
$1,827Multiple Airlines
Thu, 4 Jun - Thu, 18 Jun
Multiple Airlines Logo
05:35 - 16:35
PER
-
SEA
26h 00m
2 stops
Multiple Airlines Logo
01:15 - 17:10
SEA
-
PER
48h 55m
2 stops
$1,879Multiple Airlines
Fri, 28 Aug - Tue, 15 Sep
Qantas Airways Logo
10:30 - 19:39
PER
-
SEA
24h 09m
2 stops
Qantas Airways Logo
19:10 - 17:00
SEA
-
PER
30h 50m
2 stops
$1,914Qantas Airways
Thu, 27 Aug - Sun, 13 Sep
Qantas Airways Logo
10:30 - 19:39
PER
-
SEA
24h 09m
2 stops
Qantas Airways Logo
16:59 - 11:15
SEA
-
PER
27h 16m
2 stops
$1,951Qantas Airways
Thu, 27 Aug - Mon, 14 Sep
Multiple Airlines Logo
20:50 - 16:10
PER
-
SEA
34h 20m
2 stops
Multiple Airlines Logo
01:15 - 19:50
SEA
-
PER
51h 35m
2 stops
$1,968Multiple Airlines
Thu, 3 Sep - Mon, 14 Sep
American Airlines Logo
10:35 - 16:32
PER
-
SEA
44h 57m
2 stops
American Airlines Logo
23:30 - 13:35
SEA
-
PER
47h 05m
2 stops
$1,969American Airlines
Thu, 27 Aug - Sat, 19 Sep
Qantas Airways Logo
10:30 - 23:29
PER
-
SEA
27h 59m
2 stops
Qantas Airways Logo
19:10 - 17:00
SEA
-
PER
30h 50m
2 stops
$1,984Qantas Airways
Sat, 29 Aug - Sun, 13 Sep
American Airlines Logo
10:00 - 21:49
PER
-
SEA
26h 49m
2 stops
American Airlines Logo
14:38 - 13:35
SEA
-
PER
31h 57m
2 stops
$1,990American Airlines
Wed, 17 Jun - Wed, 8 Jul
Philippine Airlines Logo
08:35 - 20:05
PER
-
SEA
26h 30m
1 stop
Philippine Airlines Logo
23:10 - 07:15
SEA
-
PER
41h 05m
1 stop
$2,001Philippine Airlines
Thu, 27 Aug - Wed, 16 Sep
American Airlines Logo
23:45 - 16:32
PER
-
SEA
31h 47m
2 stops
American Airlines Logo
05:05 - 11:15
SEA
-
PER
39h 10m
2 stops
$2,013American Airlines
Fri, 28 Aug - Wed, 16 Sep

Qantas Airways flights from Perth to Seattle

Our best Qantas Airways deals on Perth to Seattle flight tickets
Qantas Airways
27 Aug
PER10:30Perth
24h 09m
2 stops
SEA19:39Seattle/Tacoma Intl
13 Sept
SEA19:10Seattle/Tacoma Intl
30h 50m
2 stops
PER17:00Perth
$1,914
Qantas Airways
27 Aug
PER10:30Perth
24h 09m
2 stops
SEA19:39Seattle/Tacoma Intl
14 Sept
SEA16:59Seattle/Tacoma Intl
27h 16m
2 stops
PER11:15Perth
$1,951
Qantas Airways
29 Aug
PER10:30Perth
27h 59m
2 stops
SEA23:29Seattle/Tacoma Intl
15 Sept
SEA17:44Seattle/Tacoma Intl
32h 16m
2 stops
PER17:00Perth
$1,984

American Airlines flights from Perth to Seattle

Our best American Airlines deals on Perth to Seattle flight tickets
American Airlines
27 Aug
PER10:35Perth
44h 57m
2 stops
SEA16:32Seattle/Tacoma Intl
19 Sept
SEA23:30Seattle/Tacoma Intl
47h 05m
2 stops
PER13:35Perth
$1,969
American Airlines
17 June
PER10:00Perth
26h 49m
2 stops
SEA21:49Seattle/Tacoma Intl
8 July
SEA14:38Seattle/Tacoma Intl
31h 57m
2 stops
PER13:35Perth
$1,990
American Airlines
28 Aug
PER23:45Perth
31h 47m
2 stops
SEA16:32Seattle/Tacoma Intl
16 Sept
SEA05:05Seattle/Tacoma Intl
39h 10m
2 stops
PER11:15Perth
$2,013

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 20 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 4/6

22:40-10:05

2 stops26h 25m

Seattle/Tacoma Intl

Thu 18/6

19:20-15:45

2 stops29h 25m

$1,827

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 28/8

05:35-16:35

2 stops26h 00m

Seattle/Tacoma Intl

Tue 15/9

01:15-17:10

2 stops48h 55m

$1,879

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 27/8

10:30-19:39

2 stops24h 09m

Seattle/Tacoma Intl

Sun 13/9

19:10-17:00

2 stops30h 50m

$1,914
Fastest return journey

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 27/8

10:30-19:39

2 stops24h 09m

Seattle/Tacoma Intl

Mon 14/9

16:59-11:15

2 stops27h 16m

$1,951

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/9

20:50-16:10

2 stops34h 20m

Seattle/Tacoma Intl

Mon 14/9

01:15-19:50

2 stops51h 35m

$1,968

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 27/8

10:35-16:32

2 stops44h 57m

Seattle/Tacoma Intl

Sat 19/9

23:30-13:35

2 stops47h 05m

$1,969

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 29/8

10:30-23:29

2 stops27h 59m

Seattle/Tacoma Intl

Sun 13/9

19:10-17:00

2 stops30h 50m

$1,984

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 17/6

10:00-21:49

2 stops26h 49m

Seattle/Tacoma Intl

Wed 8/7

14:38-13:35

2 stops31h 57m

$1,990

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 27/8

08:35-20:05

1 stop26h 30m

Seattle/Tacoma Intl

Wed 16/9

23:10-07:15

1 stop41h 05m

$2,001

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 28/8

23:45-16:32

2 stops31h 47m

Seattle/Tacoma Intl

Wed 16/9

05:05-11:15

2 stops39h 10m

$2,013

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 $1,296. 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 $1,493.

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

26h 25m

Direct flights

None
The fastest flight from Perth to Seattle takes 26h 25m
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 26h 25m.

  • 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 $1,270Free cancellationRating
8.3
1,825 reviews
Search Japan Airlines flights
Qantas AirwaysPriceFrom $1,569Free cancellationRating
7.5
1,038 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,577Free cancellationRating
8.2
1,521 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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