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Cheap flights from Perth to Seattle from $823

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 9/3. 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
20:50 - 19:30
PER
-
SEA
37h 40m
2 stops
Multiple Airlines Logo
01:30 - 19:50
SEA
-
PER
51h 20m
2 stops
$1,473Multiple Airlines
Mon, 13 Apr - Sun, 19 Apr
Multiple Airlines Logo
18:25 - 10:05
PER
-
SEA
30h 40m
3 stops
Multiple Airlines Logo
11:45 - 06:50
SEA
-
PER
28h 05m
1 stop
$1,733Multiple Airlines
Wed, 15 Apr - Wed, 22 Apr
Multiple Airlines Logo
18:25 - 10:05
PER
-
SEA
30h 40m
3 stops
Multiple Airlines Logo
11:45 - 06:50
SEA
-
PER
28h 05m
1 stop
$1,738Multiple Airlines
Wed, 15 Apr - Wed, 22 Apr
Multiple Airlines Logo
14:50 - 10:05
PER
-
SEA
34h 15m
2 stops
Multiple Airlines Logo
11:45 - 22:40
SEA
-
PER
43h 55m
1 stop
$1,756Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
American Airlines Logo
10:20 - 22:42
PER
-
SEA
27h 22m
2 stops
American Airlines Logo
19:24 - 12:25
SEA
-
PER
26h 01m
2 stops
$1,815American Airlines
Thu, 19 Mar - Mon, 23 Mar
American Airlines Logo
10:20 - 22:42
PER
-
SEA
27h 22m
2 stops
American Airlines Logo
19:24 - 12:25
SEA
-
PER
26h 01m
2 stops
$1,816American Airlines
Thu, 19 Mar - Mon, 23 Mar
Qantas Airways Logo
10:35 - 22:52
PER
-
SEA
27h 17m
2 stops
Qantas Airways Logo
17:28 - 11:15
SEA
-
PER
26h 47m
2 stops
$1,819Qantas Airways
Mon, 11 May - Thu, 28 May
Qantas Airways Logo
10:35 - 22:52
PER
-
SEA
27h 17m
2 stops
Qantas Airways Logo
17:28 - 12:15
SEA
-
PER
27h 47m
2 stops
$1,820Qantas Airways
Mon, 11 May - Thu, 28 May
Qantas Airways Logo
10:35 - 22:52
PER
-
SEA
27h 17m
2 stops
Qantas Airways Logo
17:28 - 12:15
SEA
-
PER
27h 47m
2 stops
$1,823Qantas Airways
Mon, 11 May - Thu, 28 May
Multiple Airlines Logo
09:40 - 10:40
PER
-
SEA
40h 00m
2 stops
Multiple Airlines Logo
11:45 - 06:50
SEA
-
PER
28h 05m
1 stop
$1,829Multiple Airlines
Wed, 15 Apr - Wed, 22 Apr

Qatar Airways flights from Perth to Seattle

Our best Qatar Airways deals on Perth to Seattle flight tickets
Qatar Airways
19 Mar
PER22:45Perth
28h 55m
1 stop
SEA12:40Seattle/Tacoma Intl
23 Mar
SEA17:05Seattle/Tacoma Intl
27h 50m
1 stop
PER11:55Perth
$3,012
Qatar Airways
19 Mar
PER22:45Perth
28h 55m
1 stop
SEA12:40Seattle/Tacoma Intl
23 Mar
SEA17:05Seattle/Tacoma Intl
27h 50m
1 stop
PER11:55Perth
$3,014
Qatar Airways
19 Mar
PER22:45Perth
28h 55m
1 stop
SEA12:40Seattle/Tacoma Intl
23 Mar
SEA17:05Seattle/Tacoma Intl
27h 50m
1 stop
PER11:55Perth
$3,016

American Airlines flights from Perth to Seattle

Our best American Airlines deals on Perth to Seattle flight tickets
American Airlines
19 Mar
PER10:20Perth
27h 22m
2 stops
SEA22:42Seattle/Tacoma Intl
23 Mar
SEA19:24Seattle/Tacoma Intl
26h 01m
2 stops
PER12:25Perth
$1,815
American Airlines
19 Mar
PER10:20Perth
27h 22m
2 stops
SEA22:42Seattle/Tacoma Intl
23 Mar
SEA19:24Seattle/Tacoma Intl
26h 01m
2 stops
PER12:25Perth
$1,816
American Airlines
19 Mar
PER10:20Perth
27h 22m
2 stops
SEA22:42Seattle/Tacoma Intl
23 Mar
SEA11:45Seattle/Tacoma Intl
33h 20m
2 stops
PER12:05Perth
$1,843

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 1 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

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 13/4

20:50-19:30

2 stops37h 40m

Seattle/Tacoma Intl

Sun 19/4

01:30-19:50

2 stops51h 20m

$1,473

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 15/4

18:25-10:05

3 stops30h 40m

Seattle/Tacoma Intl

Wed 22/4

11:45-06:50

1 stop28h 05m

$1,733

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 15/4

18:25-10:05

3 stops30h 40m

Seattle/Tacoma Intl

Wed 22/4

11:45-06:50

1 stop28h 05m

$1,738

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 13/4

14:50-10:05

2 stops34h 15m

Seattle/Tacoma Intl

Mon 20/4

11:45-22:40

1 stop43h 55m

$1,756

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 19/3

10:20-22:42

2 stops27h 22m

Seattle/Tacoma Intl

Mon 23/3

19:24-12:25

2 stops26h 01m

$1,815

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 19/3

10:20-22:42

2 stops27h 22m

Seattle/Tacoma Intl

Mon 23/3

19:24-12:25

2 stops26h 01m

$1,816

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 11/5

10:35-22:52

2 stops27h 17m

Seattle/Tacoma Intl

Thu 28/5

17:28-11:15

2 stops26h 47m

$1,819

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 11/5

10:35-22:52

2 stops27h 17m

Seattle/Tacoma Intl

Thu 28/5

17:28-12:15

2 stops27h 47m

$1,820

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 11/5

10:35-22:52

2 stops27h 17m

Seattle/Tacoma Intl

Thu 28/5

17:28-12:15

2 stops27h 47m

$1,823

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 15/4

09:40-10:40

2 stops40h 00m

Seattle/Tacoma Intl

Wed 22/4

11:45-06:50

1 stop28h 05m

$1,829

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $1,419. 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 $1,576.

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 $1,831 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 $1,556 on momondo.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 18% 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 13% 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

27h 17m

Direct flights

None
The fastest flight from Perth to Seattle takes 27h 17m
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 27h 17m.

  • 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 $1,276Free cancellationRating
8.3
1,720 reviews
Search Japan Airlines flights
Qantas AirwaysPriceFrom $1,570Free cancellationRating
7.5
999 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,577Free cancellationRating
8.2
1,465 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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