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Cheap flights from Perth to Seattle from $946

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 29/9. 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 - 10:40
PER
-
SEA
68h 05m
3 stops
Multiple Airlines Logo
12:50 - 17:10
SEA
-
PER
61h 20m
3 stops
$1,566Multiple Airlines
Tue, 1 Sep - Fri, 11 Sep
Multiple Airlines Logo
05:35 - 10:40
PER
-
SEA
44h 05m
2 stops
Multiple Airlines Logo
12:50 - 04:20
SEA
-
PER
48h 30m
2 stops
$1,584Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
09:55 - 15:15
PER
-
SEA
44h 20m
3 stops
Multiple Airlines Logo
00:10 - 04:20
SEA
-
PER
61h 10m
3 stops
$1,630Multiple Airlines
Mon, 7 Sep - Sun, 13 Sep
Multiple Airlines Logo
09:55 - 15:15
PER
-
SEA
44h 20m
3 stops
Multiple Airlines Logo
00:10 - 04:20
SEA
-
PER
61h 10m
3 stops
$1,634Multiple Airlines
Mon, 7 Sep - Sun, 13 Sep
Multiple Airlines Logo
05:35 - 10:40
PER
-
SEA
44h 05m
2 stops
Multiple Airlines Logo
12:50 - 04:20
SEA
-
PER
48h 30m
2 stops
$1,649Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
09:55 - 19:45
PER
-
SEA
48h 50m
2 stops
Multiple Airlines Logo
01:55 - 17:10
SEA
-
PER
48h 15m
2 stops
$1,687Multiple Airlines
Mon, 7 Sep - Sun, 13 Sep
Multiple Airlines Logo
09:55 - 19:45
PER
-
SEA
48h 50m
2 stops
Multiple Airlines Logo
01:55 - 17:10
SEA
-
PER
48h 15m
2 stops
$1,689Multiple Airlines
Mon, 7 Sep - Sun, 13 Sep
Multiple Airlines Logo
18:25 - 16:10
PER
-
SEA
36h 45m
2 stops
Multiple Airlines Logo
01:15 - 04:20
SEA
-
PER
36h 05m
2 stops
$1,700Multiple Airlines
Mon, 12 Oct - Wed, 21 Oct
Multiple Airlines Logo
04:45 - 10:40
PER
-
SEA
44h 55m
3 stops
Multiple Airlines Logo
12:50 - 03:45
SEA
-
PER
47h 55m
3 stops
$1,724Multiple Airlines
Fri, 4 Sep - Thu, 10 Sep
Multiple Airlines Logo
20:50 - 16:10
PER
-
SEA
34h 20m
3 stops
Multiple Airlines Logo
01:15 - 03:45
SEA
-
PER
35h 30m
3 stops
$1,789Multiple Airlines
Mon, 12 Oct - Wed, 21 Oct

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Qantas Airways flights from Perth to Seattle

Our best Qantas Airways deals on Perth to Seattle flight tickets
Qantas Airways
12 Oct
PER10:30Perth
27h 07m
2 stops
SEA22:37Seattle/Tacoma Intl
22 Mar
SEA19:24Seattle/Tacoma Intl
26h 01m
2 stops
PER12:25Perth
$2,107
Qantas Airways
18 Aug
PER10:30Perth
25h 26m
2 stops
SEA20:56Seattle/Tacoma Intl
12 Sept
SEA17:59Seattle/Tacoma Intl
32h 01m
2 stops
PER17:00Perth
$2,195
Qantas Airways
24 Aug
PER10:30Perth
27h 51m
2 stops
SEA23:21Seattle/Tacoma Intl
13 Sept
SEA17:02Seattle/Tacoma Intl
31h 23m
2 stops
PER15:25Perth
$2,207

United Airlines flights from Perth to Seattle

Our best United Airlines deals on Perth to Seattle flight tickets
United Airlines
23 Aug
PER23:45Perth
38h 41m
2 stops
SEA23:26Seattle/Tacoma Intl
14 Sept
SEA10:55Seattle/Tacoma Intl
36h 10m
2 stops
PER14:05Perth
$2,101
United Airlines
23 Aug
PER23:45Perth
29h 39m
2 stops
SEA14:24Seattle/Tacoma Intl
15 Sept
SEA17:20Seattle/Tacoma Intl
28h 10m
2 stops
PER12:30Perth
$2,118
United Airlines
16 Aug
PER23:45Perth
33h 44m
2 stops
SEA18:29Seattle/Tacoma Intl
8 Sept
SEA13:10Seattle/Tacoma Intl
35h 50m
2 stops
PER16:00Perth
$2,170

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 26 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

Tue 1/9

05:35-10:40

3 stops68h 05m

Seattle/Tacoma Intl

Fri 11/9

12:50-17:10

3 stops61h 20m

$1,566

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 8/9

05:35-10:40

2 stops44h 05m

Seattle/Tacoma Intl

Tue 15/9

12:50-04:20

2 stops48h 30m

$1,584

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 7/9

09:55-15:15

3 stops44h 20m

Seattle/Tacoma Intl

Sun 13/9

00:10-04:20

3 stops61h 10m

$1,630

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 7/9

09:55-15:15

3 stops44h 20m

Seattle/Tacoma Intl

Sun 13/9

00:10-04:20

3 stops61h 10m

$1,634

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 8/9

05:35-10:40

2 stops44h 05m

Seattle/Tacoma Intl

Tue 15/9

12:50-04:20

2 stops48h 30m

$1,649

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 7/9

09:55-19:45

2 stops48h 50m

Seattle/Tacoma Intl

Sun 13/9

01:55-17:10

2 stops48h 15m

$1,687

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 7/9

09:55-19:45

2 stops48h 50m

Seattle/Tacoma Intl

Sun 13/9

01:55-17:10

2 stops48h 15m

$1,689

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 12/10

18:25-16:10

2 stops36h 45m

Seattle/Tacoma Intl

Wed 21/10

01:15-04:20

2 stops36h 05m

$1,700

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 4/9

04:45-10:40

3 stops44h 55m

Seattle/Tacoma Intl

Thu 10/9

12:50-03:45

3 stops47h 55m

$1,724
Fastest return journey

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 12/10

20:50-16:10

3 stops34h 20m

Seattle/Tacoma Intl

Wed 21/10

01:15-03:45

3 stops35h 30m

$1,789

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 low for flights on this route.

Typical prices usually range from $1,723 to $2,117.
The lowest price recently found on this route was $1,566.

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 $1,547. 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 $1,649.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 22% 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

25h 40m

Direct flights

None
The fastest flight from Perth to Seattle takes 25h 40m
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 40m.

  • 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 $1,294Free cancellationRating
8.3
1,880 reviews
Search Japan Airlines flights
Singapore AirlinesPriceFrom $1,574Free cancellationRating
8.2
1,581 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $1,599Free cancellationRating
7.5
1,067 reviews
Search Qantas Airways 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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