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Cheap flights from Perth to Seattle from $921

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 25/5. 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.
Air Canada Logo
22:40 - 14:20
PER
-
SEA
30h 40m
2 stops
Air Canada Logo
14:55 - 15:45
SEA
-
PER
33h 50m
2 stops
$1,660Air Canada
Wed, 6 May - Wed, 13 May
Air Canada Logo
22:40 - 14:20
PER
-
SEA
30h 40m
2 stops
Air Canada Logo
19:20 - 21:40
SEA
-
PER
35h 20m
2 stops
$1,675Air Canada
Mon, 4 May - Mon, 11 May
Air Canada Logo
22:40 - 10:05
PER
-
SEA
26h 25m
2 stops
Air Canada Logo
19:20 - 21:40
SEA
-
PER
35h 20m
2 stops
$1,677Air Canada
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
05:35 - 19:15
PER
-
SEA
52h 40m
2 stops
Multiple Airlines Logo
01:15 - 04:20
SEA
-
PER
36h 05m
2 stops
$1,709Multiple Airlines
Sun, 3 May - Sat, 9 May
Qantas Airways Logo
22:55 - 22:58
PER
-
SEA
39h 03m
2 stops
Qantas Airways Logo
19:06 - 13:35
SEA
-
PER
27h 29m
2 stops
$1,733Qantas Airways
Mon, 20 Apr - Mon, 27 Apr
Air Canada Logo
22:40 - 14:20
PER
-
SEA
30h 40m
2 stops
Air Canada Logo
14:55 - 15:45
SEA
-
PER
33h 50m
2 stops
$1,746Air Canada
Mon, 11 May - Thu, 28 May
Multiple Airlines Logo
16:25 - 00:59
PER
-
SEA
47h 34m
2 stops
Multiple Airlines Logo
08:00 - 15:25
SEA
-
PER
40h 25m
2 stops
$1,753Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
Air Canada Logo
22:40 - 09:52
PER
-
SEA
26h 12m
2 stops
Air Canada Logo
05:40 - 17:00
SEA
-
PER
44h 20m
2 stops
$1,804Air Canada
Tue, 8 Sep - Fri, 11 Sep
Multiple Airlines Logo
10:30 - 22:26
PER
-
SEA
26h 56m
3 stops
Multiple Airlines Logo
19:04 - 11:20
SEA
-
PER
25h 16m
2 stops
$1,834Multiple Airlines
Sun, 3 May - Sun, 10 May
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
$1,892Philippine Airlines
Thu, 16 Apr - Fri, 1 May

Air Canada flights from Perth to Seattle

Our best Air Canada deals on Perth to Seattle flight tickets
Air Canada
6 May
PER22:40Perth
30h 40m
2 stops
SEA14:20Seattle/Tacoma Intl
13 May
SEA14:55Seattle/Tacoma Intl
33h 50m
2 stops
PER15:45Perth
$1,660
Air Canada
4 May
PER22:40Perth
30h 40m
2 stops
SEA14:20Seattle/Tacoma Intl
11 May
SEA19:20Seattle/Tacoma Intl
35h 20m
2 stops
PER21:40Perth
$1,675
Air Canada
5 May
PER22:40Perth
26h 25m
2 stops
SEA10:05Seattle/Tacoma Intl
12 May
SEA19:20Seattle/Tacoma Intl
35h 20m
2 stops
PER21:40Perth
$1,677

Qatar Airways flights from Perth to Seattle

Our best Qatar Airways deals on Perth to Seattle flight tickets
Qatar Airways
20 Apr
PER22:45Perth
29h 00m
1 stop
SEA12:45Seattle/Tacoma Intl
27 Apr
SEA16:30Seattle/Tacoma Intl
35h 05m
1 stop
PER18:35Perth
$2,160
Qatar Airways
6 May
PER15:40Perth
36h 05m
1 stop
SEA12:45Seattle/Tacoma Intl
13 May
SEA16:30Seattle/Tacoma Intl
35h 05m
1 stop
PER18:35Perth
$2,186
Qatar Airways
3 May
PER22:45Perth
29h 00m
1 stop
SEA12:45Seattle/Tacoma Intl
10 May
SEA16:30Seattle/Tacoma Intl
35h 05m
1 stop
PER18:35Perth
$2,189

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 23 March 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

Wed 6/5

22:40-14:20

2 stops30h 40m

Seattle/Tacoma Intl

Wed 13/5

14:55-15:45

2 stops33h 50m

$1,660

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 4/5

22:40-14:20

2 stops30h 40m

Seattle/Tacoma Intl

Mon 11/5

19:20-21:40

2 stops35h 20m

$1,675

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 5/5

22:40-10:05

2 stops26h 25m

Seattle/Tacoma Intl

Tue 12/5

19:20-21:40

2 stops35h 20m

$1,677

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 3/5

05:35-19:15

2 stops52h 40m

Seattle/Tacoma Intl

Sat 9/5

01:15-04:20

2 stops36h 05m

$1,709

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 20/4

22:55-22:58

2 stops39h 03m

Seattle/Tacoma Intl

Mon 27/4

19:06-13:35

2 stops27h 29m

$1,733

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 11/5

22:40-14:20

2 stops30h 40m

Seattle/Tacoma Intl

Thu 28/5

14:55-15:45

2 stops33h 50m

$1,746

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 20/4

16:25-00:59

2 stops47h 34m

Seattle/Tacoma Intl

Mon 27/4

08:00-15:25

2 stops40h 25m

$1,753

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 8/9

22:40-09:52

2 stops26h 12m

Seattle/Tacoma Intl

Fri 11/9

05:40-17:00

2 stops44h 20m

$1,804
Fastest return journey

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 3/5

10:30-22:26

3 stops26h 56m

Seattle/Tacoma Intl

Sun 10/5

19:04-11:20

2 stops25h 16m

$1,834

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 16/4

08:35-20:05

1 stop26h 30m

Seattle/Tacoma Intl

Fri 1/5

23:10-07:15

1 stop41h 05m

$1,892

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 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 $1,314. 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 $1,571.

How far in advance should I book a flight 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 $1,868 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 $1,656 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 March 2026, prices for Perth to Seattle flights are approximately 11% 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 10m

Direct flights

None
The fastest flight from Perth to Seattle takes 25h 10m
There are no direct flights from Perth to Seattle. There are no popular flight routes from Perth to Seattle.
Search flight deals

  • 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 10m.

  • 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 $1,288Free cancellationRating
8.3
1,748 reviews
Search Japan Airlines flights
Qantas AirwaysPriceFrom $1,591Free cancellationRating
7.5
1,009 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,619Free cancellationRating
8.2
1,484 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.

An easier way to manage your Seattle trip

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