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Cheap flights from Perth to Seattle from $1,518

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Perth to Seattle departing on 13/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Perth to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
ANA Logo
21:35 - 14:25
PER
-
SEA
31h 50m
1 stop
ANA Logo
16:30 - 20:00
SEA
-
PER
36h 30m
1 stop
$1,518ANA
Sat, 13 Jun - Sat, 27 Jun
ANA Logo
21:35 - 14:25
PER
-
SEA
31h 50m
1 stop
ANA Logo
16:30 - 20:00
SEA
-
PER
36h 30m
1 stop
$1,689ANA
Thu, 3 Sep - Tue, 15 Sep
ANA Logo
21:35 - 14:25
PER
-
SEA
31h 50m
1 stop
ANA Logo
16:30 - 20:00
SEA
-
PER
36h 30m
1 stop
$1,735ANA
Sat, 23 May - Sat, 30 May
Japan Airlines Logo
00:10 - 10:50
PER
-
SEA
25h 40m
2 stops
Japan Airlines Logo
13:15 - 00:40
SEA
-
PER
44h 25m
2 stops
$1,764Japan Airlines
Tue, 11 Aug - Wed, 16 Sep
Japan Airlines Logo
00:10 - 10:35
PER
-
SEA
25h 25m
2 stops
Japan Airlines Logo
13:15 - 06:50
SEA
-
PER
26h 35m
2 stops
$1,813Japan Airlines
Wed, 2 Sep - Tue, 15 Sep
Japan Airlines Logo
00:10 - 10:50
PER
-
SEA
25h 40m
2 stops
Japan Airlines Logo
13:15 - 00:40
SEA
-
PER
44h 25m
2 stops
$1,824Japan Airlines
Wed, 15 Jul - Mon, 7 Sep
Japan Airlines Logo
00:10 - 10:35
PER
-
SEA
25h 25m
2 stops
Japan Airlines Logo
13:15 - 00:40
SEA
-
PER
44h 25m
2 stops
$1,828Japan Airlines
Wed, 2 Sep - Thu, 3 Sep
Air Canada Logo
22:40 - 18:30
PER
-
SEA
34h 50m
2 stops
Air Canada Logo
15:00 - 15:45
SEA
-
PER
33h 45m
2 stops
$1,877Air Canada
Mon, 8 Jun - Tue, 23 Jun
ANA Logo
21:35 - 16:15
PER
-
SEA
33h 40m
2 stops
ANA Logo
16:30 - 20:00
SEA
-
PER
36h 30m
1 stop
$1,878ANA
Thu, 3 Sep - Tue, 15 Sep
Qantas Airways Logo
22:55 - 22:44
PER
-
SEA
38h 49m
2 stops
Qantas Airways Logo
14:40 - 15:25
SEA
-
PER
33h 45m
2 stops
$1,894Qantas Airways
Mon, 8 Jun - Mon, 15 Jun

Qatar Airways flights from Perth to Seattle

Our best Qatar Airways deals on Perth to Seattle flight tickets
Qatar Airways
11 June
PER22:55Perth
30h 50m
1 stop
SEA14:45Seattle/Tacoma Intl
18 June
SEA16:25Seattle/Tacoma Intl
35h 10m
1 stop
PER18:35Perth
$2,520
Qatar Airways
20 Sept
PER22:45Perth
28h 40m
1 stop
SEA12:25Seattle/Tacoma Intl
19 Oct
SEA16:25Seattle/Tacoma Intl
35h 10m
1 stop
PER18:35Perth
$2,545
Qatar Airways
16 July
PER22:45Perth
28h 40m
1 stop
SEA12:25Seattle/Tacoma Intl
7 Sept
SEA16:25Seattle/Tacoma Intl
35h 10m
1 stop
PER18:35Perth
$2,572

Qantas Airways flights from Perth to Seattle

Our best Qantas Airways deals on Perth to Seattle flight tickets
Qantas Airways
8 June
PER22:55Perth
38h 49m
2 stops
SEA22:44Seattle/Tacoma Intl
15 June
SEA14:40Seattle/Tacoma Intl
33h 45m
2 stops
PER15:25Perth
$1,894
Qantas Airways
11 June
PER10:30Perth
26h 19m
2 stops
SEA21:49Seattle/Tacoma Intl
18 June
SEA14:40Seattle/Tacoma Intl
29h 35m
2 stops
PER11:15Perth
$1,981

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 28 April 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 13/6

21:35-14:25

1 stop31h 50m

Seattle/Tacoma Intl

Sat 27/6

16:30-20:00

1 stop36h 30m

$1,518

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/9

21:35-14:25

1 stop31h 50m

Seattle/Tacoma Intl

Tue 15/9

16:30-20:00

1 stop36h 30m

$1,689

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 23/5

21:35-14:25

1 stop31h 50m

Seattle/Tacoma Intl

Sat 30/5

16:30-20:00

1 stop36h 30m

$1,735

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 11/8

00:10-10:50

2 stops25h 40m

Seattle/Tacoma Intl

Wed 16/9

13:15-00:40

2 stops44h 25m

$1,764
Fastest return journey

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 2/9

00:10-10:35

2 stops25h 25m

Seattle/Tacoma Intl

Tue 15/9

13:15-06:50

2 stops26h 35m

$1,813

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 15/7

00:10-10:50

2 stops25h 40m

Seattle/Tacoma Intl

Mon 7/9

13:15-00:40

2 stops44h 25m

$1,824

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 2/9

00:10-10:35

2 stops25h 25m

Seattle/Tacoma Intl

Thu 3/9

13:15-00:40

2 stops44h 25m

$1,828

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 8/6

22:40-18:30

2 stops34h 50m

Seattle/Tacoma Intl

Tue 23/6

15:00-15:45

2 stops33h 45m

$1,877

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/9

21:35-16:15

2 stops33h 40m

Seattle/Tacoma Intl

Tue 15/9

16:30-20:00

1 stop36h 30m

$1,878

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 8/6

22:55-22:44

2 stops38h 49m

Seattle/Tacoma Intl

Mon 15/6

14:40-15:25

2 stops33h 45m

$1,894

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 $1,285. 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 $1,536.

How far in advance should I book a flight from Perth to Seattle?

You are more likely to see cheaper flights to Seattle from Perth when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,877 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Perth for as low as $1,692 on momondo.

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 April 2026, prices for Perth to Seattle flights are approximately 2% cheaper 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 $1,259Free cancellationRating
8.3
1,792 reviews
Search Japan Airlines flights
Qantas AirwaysPriceFrom $1,556Free cancellationRating
7.5
1,028 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,563Free cancellationRating
8.2
1,502 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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