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Cheap flights from Perth to Seattle from $1,009

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 16/9. 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 - 15:45
PER
-
SEA
49h 10m
3 stops
Multiple Airlines Logo
00:10 - 04:20
SEA
-
PER
61h 10m
3 stops
$1,714Multiple Airlines
Sat, 29 Aug - Fri, 4 Sep
Multiple Airlines Logo
10:35 - 10:40
PER
-
SEA
39h 05m
2 stops
Multiple Airlines Logo
10:15 - 04:20
SEA
-
PER
27h 05m
1 stop
$1,820Multiple Airlines
Sat, 5 Sep - Fri, 18 Sep
Multiple Airlines Logo
05:35 - 16:35
PER
-
SEA
26h 00m
2 stops
Multiple Airlines Logo
01:15 - 04:20
SEA
-
PER
36h 05m
2 stops
$1,851Multiple Airlines
Fri, 21 Aug - Thu, 27 Aug
Multiple Airlines Logo
05:35 - 16:35
PER
-
SEA
50h 00m
2 stops
Multiple Airlines Logo
01:15 - 04:20
SEA
-
PER
60h 05m
2 stops
$1,860Multiple Airlines
Sat, 29 Aug - Fri, 4 Sep
Multiple Airlines Logo
05:35 - 11:00
PER
-
SEA
44h 25m
3 stops
Multiple Airlines Logo
13:20 - 04:20
SEA
-
PER
48h 00m
3 stops
$1,893Multiple Airlines
Sun, 23 Aug - Thu, 27 Aug
Multiple Airlines Logo
05:35 - 19:50
PER
-
SEA
29h 15m
2 stops
Multiple Airlines Logo
02:10 - 04:20
SEA
-
PER
35h 10m
2 stops
$1,926Multiple Airlines
Sun, 23 Aug - Sat, 29 Aug
Multiple Airlines Logo
12:25 - 06:11
PER
-
SEA
32h 46m
2 stops
Multiple Airlines Logo
07:20 - 10:30
SEA
-
PER
36h 10m
2 stops
$1,929Multiple Airlines
Sun, 23 Aug - Thu, 27 Aug
Multiple Airlines Logo
19:50 - 18:00
PER
-
SEA
37h 10m
2 stops
Multiple Airlines Logo
17:36 - 22:15
SEA
-
PER
37h 39m
2 stops
$1,983Multiple Airlines
Sun, 9 Aug - Tue, 18 Aug
Multiple Airlines Logo
18:25 - 10:05
PER
-
SEA
30h 40m
2 stops
Multiple Airlines Logo
23:10 - 07:15
SEA
-
PER
41h 05m
1 stop
$1,986Multiple Airlines
Fri, 21 Aug - Fri, 28 Aug
Qantas Airways Logo
22:55 - 21:58
PER
-
SEA
38h 03m
2 stops
Qantas Airways Logo
18:10 - 17:00
SEA
-
PER
31h 50m
2 stops
$1,994Qantas Airways
Wed, 12 Aug - Wed, 19 Aug

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United Airlines flights from Perth to Seattle

Our best United Airlines deals on Perth to Seattle flight tickets
United Airlines
10 Nov
PER22:30Perth
40h 46m
2 stops
SEA23:16Seattle/Tacoma Intl
14 Nov
SEA08:50Seattle/Tacoma Intl
40h 00m
2 stops
PER16:50Perth
$2,130
United Airlines
5 Sept
PER17:15Perth
36h 09m
2 stops
SEA14:24Seattle/Tacoma Intl
18 Sept
SEA18:52Seattle/Tacoma Intl
26h 38m
2 stops
PER12:30Perth
$2,203

Singapore Airlines flights from Perth to Seattle

Our best Singapore Airlines deals on Perth to Seattle flight tickets
Singapore Airlines
9 Nov
PER01:15Perth
21h 55m
1 stop
SEA07:10Seattle/Tacoma Intl
14 Nov
SEA08:45Seattle/Tacoma Intl
28h 40m
1 stop
PER05:25Perth
$2,482
Singapore Airlines
9 Nov
PER01:15Perth
21h 55m
1 stop
SEA07:10Seattle/Tacoma Intl
14 Nov
SEA08:45Seattle/Tacoma Intl
28h 40m
1 stop
PER05:25Perth
$2,489
Singapore Airlines
22 Aug
PER01:10Perth
22h 35m
1 stop
SEA08:45Seattle/Tacoma Intl
30 Aug
SEA10:15Seattle/Tacoma Intl
22h 40m
1 stop
PER23:55Perth
$2,726

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 16 July 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

Sat 29/8

05:35-15:45

3 stops49h 10m

Seattle/Tacoma Intl

Fri 4/9

00:10-04:20

3 stops61h 10m

$1,714

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 5/9

10:35-10:40

2 stops39h 05m

Seattle/Tacoma Intl

Fri 18/9

10:15-04:20

1 stop27h 05m

$1,820
Fastest return journey

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 21/8

05:35-16:35

2 stops26h 00m

Seattle/Tacoma Intl

Thu 27/8

01:15-04:20

2 stops36h 05m

$1,851

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 29/8

05:35-16:35

2 stops50h 00m

Seattle/Tacoma Intl

Fri 4/9

01:15-04:20

2 stops60h 05m

$1,860

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 23/8

05:35-11:00

3 stops44h 25m

Seattle/Tacoma Intl

Thu 27/8

13:20-04:20

3 stops48h 00m

$1,893

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 23/8

05:35-19:50

2 stops29h 15m

Seattle/Tacoma Intl

Sat 29/8

02:10-04:20

2 stops35h 10m

$1,926

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 23/8

12:25-06:11

2 stops32h 46m

Seattle/Tacoma Intl

Thu 27/8

07:20-10:30

2 stops36h 10m

$1,929

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 9/8

19:50-18:00

2 stops37h 10m

Seattle/Tacoma Intl

Tue 18/8

17:36-22:15

2 stops37h 39m

$1,983

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 21/8

18:25-10:05

2 stops30h 40m

Seattle/Tacoma Intl

Fri 28/8

23:10-07:15

1 stop41h 05m

$1,986

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 12/8

22:55-21:58

2 stops38h 03m

Seattle/Tacoma Intl

Wed 19/8

18:10-17:00

2 stops31h 50m

$1,994

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 $1,342. 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 $1,647.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 21% on your flight if you consider stops on a Perth to Seattle flight.

How have Perth to Seattle flight prices changed over time?

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

40h 46m

Direct flights

None
The fastest flight from Perth to Seattle takes 40h 46m
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 40h 46m.

  • 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 $1,292Free cancellationRating
8.3
1,877 reviews
Search Japan Airlines flights
Qantas AirwaysPriceFrom $1,598Free cancellationRating
7.5
1,062 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,605Free cancellationRating
8.2
1,573 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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