What is the cheapest airline that flies from Perth to Seattle/Tacoma Intl?

Qatar Airways and Singapore Airlines are the most popular carriers operating from Perth to Seattle/Tacoma Intl

Which airlines fly to Seattle?

Japan Airlines, Singapore Airlines and Qantas Airways are the top three most popular airlines that fly to Seattle from Perth according to our data. Japan Airlines is the first choice among our users, with 39% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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?

As of September 2026, there are 3 operators available to choose from 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.

$943 Cheap Flights from Perth to Seattle in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Perth to Seattle

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

09:30 - 08:45PER Perth-SEA Seattle/Tacoma Intl

38h 15m1 stop Singapore Changi

11:00 - 16:25SEA Seattle/Tacoma Intl-PER Perth

37h 25m2 stops Incheon Intl Ho Chi Minh City

$1,646Multiple Airlines

Thu, 22 Oct - Fri, 6 Nov

08:35 - 20:05PER Perth-SEA Seattle/Tacoma Intl

26h 30m1 stop Manila Ninoy Aquino Intl

21:30 - 07:20SEA Seattle/Tacoma Intl-PER Perth

41h 50m1 stop Manila Ninoy Aquino Intl

$1,675Philippine Airlines

Thu, 22 Oct - Fri, 6 Nov

08:35 - 20:05PER Perth-SEA Seattle/Tacoma Intl

26h 30m1 stop Manila Ninoy Aquino Intl

21:30 - 07:20SEA Seattle/Tacoma Intl-PER Perth

41h 50m1 stop Manila Ninoy Aquino Intl

$1,698Philippine Airlines

Thu, 22 Oct - Fri, 6 Nov

10:30 - 19:50PER Perth-SEA Seattle/Tacoma Intl

24h 20m2 stops Sydney Kingsford Smith Los Angeles Los Angeles

17:04 - 17:00SEA Seattle/Tacoma Intl-PER Perth

32h 56m2 stops Los Angeles Los Angeles Sydney Kingsford Smith

$1,715Qantas Airways

Wed, 7 Oct - Wed, 14 Oct

10:30 - 22:40PER Perth-SEA Seattle/Tacoma Intl

27h 10m2 stops Sydney Kingsford Smith Los Angeles Los Angeles

16:37 - 12:05SEA Seattle/Tacoma Intl-PER Perth

28h 28m2 stops Los Angeles Los Angeles Brisbane

$1,884Qantas Airways

Sat, 26 Sep - Sat, 10 Oct

10:30 - 19:50PER Perth-SEA Seattle/Tacoma Intl

24h 20m2 stops Sydney Kingsford Smith Los Angeles Los Angeles

16:37 - 14:30SEA Seattle/Tacoma Intl-PER Perth

30h 53m2 stops Los Angeles Los Angeles Melbourne

$1,904Qantas Airways

Fri, 9 Oct - Fri, 23 Oct

06:40 - 08:05PER Perth-SEA Seattle/Tacoma Intl

64h 25m1 stop Singapore Changi

08:40 - 14:45SEA Seattle/Tacoma Intl-PER Perth

62h 05m1 stop Singapore Changi

$1,991Singapore Airlines

Sun, 25 Oct - Sun, 1 Nov

12:15 - 10:35PER Perth-SEA Seattle/Tacoma Intl

37h 20m2 stops Singapore Changi Tokyo Narita

13:00 - 22:55SEA Seattle/Tacoma Intl-PER Perth

42h 55m2 stops Tokyo Narita Hong Kong Intl

$2,348Japan Airlines

Wed, 21 Oct - Sun, 25 Oct

16:55 - 08:45PER Perth-SEA Seattle/Tacoma Intl

30h 50m1 stop Singapore Changi

09:40 - 00:05SEA Seattle/Tacoma Intl-PER Perth

23h 25m1 stop Singapore Changi

$2,372Singapore Airlines

Wed, 21 Oct - Sun, 25 Oct

00:10 - 14:16PER Perth-SEA Seattle/Tacoma Intl

29h 06m3 stops Hong Kong Intl Tokyo Narita Vancouver Intl

11:20 - 06:50SEA Seattle/Tacoma Intl-PER Perth

28h 30m3 stops Vancouver Intl Tokyo Narita Hong Kong Intl

$3,974Japan Airlines

Thu, 8 Oct - Fri, 23 Oct

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Qatar Airways flights from Perth to Seattle

Our best Qatar Airways deals on Perth to Seattle flight tickets

Qatar Airways

7 Oct

PER22:45Perth

28h 40m

1 stop

SEA12:25Seattle/Tacoma Intl

14 Oct

SEA16:25Seattle/Tacoma Intl

35h 10m

1 stop

PER18:35Perth

$2,991

Qatar Airways

26 Sept

PER22:45Perth

29h 20m

1 stop

SEA13:05Seattle/Tacoma Intl

10 Oct

SEA16:25Seattle/Tacoma Intl

35h 10m

1 stop

PER18:35Perth

$3,379

Qatar Airways

27 Sept

PER22:45Perth

29h 20m

1 stop

SEA13:05Seattle/Tacoma Intl

10 Oct

SEA16:25Seattle/Tacoma Intl

35h 10m

1 stop

PER18:35Perth

$3,517

Qantas Airways flights from Perth to Seattle

Our best Qantas Airways deals on Perth to Seattle flight tickets

Qantas Airways

7 Oct

PER10:30Perth

24h 20m

2 stops

SEA19:50Seattle/Tacoma Intl

14 Oct

SEA17:04Seattle/Tacoma Intl

32h 56m

2 stops

PER17:00Perth

$1,715

Qantas Airways

26 Sept

PER10:30Perth

27h 10m

2 stops

SEA22:40Seattle/Tacoma Intl

10 Oct

SEA16:37Seattle/Tacoma Intl

28h 28m

2 stops

PER12:05Perth

$1,884

Qantas Airways

9 Oct

PER10:30Perth

24h 20m

2 stops

SEA19:50Seattle/Tacoma Intl

23 Oct

SEA16:37Seattle/Tacoma Intl

30h 53m

2 stops

PER14:30Perth

$1,904

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 22/10

09:30-08:45

1 stop38h 15m

Seattle/Tacoma Intl

Fri 6/11

11:00-16:25

2 stops37h 25m

$1,646

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 22/10

08:35-20:05

1 stop26h 30m

Seattle/Tacoma Intl

Fri 6/11

21:30-07:20

1 stop41h 50m

$1,675

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 22/10

08:35-20:05

1 stop26h 30m

Seattle/Tacoma Intl

Fri 6/11

21:30-07:20

1 stop41h 50m

$1,698

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 7/10

10:30-19:50

2 stops24h 20m

Seattle/Tacoma Intl

Wed 14/10

17:04-17:00

2 stops32h 56m

$1,715

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Sat 26/9

10:30-22:40

2 stops27h 10m

Seattle/Tacoma Intl

Sat 10/10

16:37-12:05

2 stops28h 28m

$1,884

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Fri 9/10

10:30-19:50

2 stops24h 20m

Seattle/Tacoma Intl

Fri 23/10

16:37-14:30

2 stops30h 53m

$1,904

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Sun 25/10

06:40-08:05

1 stop64h 25m

Seattle/Tacoma Intl

Sun 1/11

08:40-14:45

1 stop62h 05m

$1,991

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 21/10

12:15-10:35

2 stops37h 20m

Seattle/Tacoma Intl

Sun 25/10

13:00-22:55

2 stops42h 55m

$2,348

Fastest return journey

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 21/10

16:55-08:45

1 stop30h 50m

Seattle/Tacoma Intl

Sun 25/10

09:40-00:05

1 stop23h 25m

$2,372

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 8/10

00:10-14:16

3 stops29h 06m

Seattle/Tacoma Intl

Fri 23/10

11:20-06:50

3 stops28h 30m

$3,974

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the typical price of a round-trip flight between Perth and Seattle?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,545 to $2,178.
The lowest price recently found on this route was $1,646.

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 $1,514. 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 $1,722.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 42% 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

Best price found	$943
Fastest flight time	27h 10m
Direct flights	None

The best one-way flight to Seattle from Perth in the past 72 hours is $943. The best return flight deal from Perth to Seattle found on momondo in the last 72 hours is $1,646.

The fastest flight from Perth to Seattle takes 27h 10m

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 27h 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?
As of September 2026, there are 3 operators available to choose from 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?
Based on momondo bookings for flights between Perth and Seattle, the leading airline is Japan Airlines, making up 38% of the total bookings. Other popular airlines include Singapore Airlines with 32% and Qantas Airways with 29%.

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 Airlines	PriceFrom $1,266	Free cancellation	Rating 8.3 1,913 reviews	Search Japan Airlines flights
Qantas Airways	PriceFrom $1,538	Free cancellation	Rating 7.5 1,098 reviews	Search Qantas Airways flights
Singapore Airlines	PriceFrom $1,674	Free cancellation	Rating 8.2 1,601 reviews	Search Singapore Airlines flights

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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Cheap flights from Perth to Seattle from $943

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 4/10. 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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Qatar Airways flights from Perth to Seattle

Our best Qatar Airways deals on Perth to Seattle flight tickets

Qantas Airways flights from Perth to Seattle

Our best Qantas Airways deals on Perth to Seattle flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Perth to Seattle that are best for you.

See travel insights to Seattle from

How to get the cheapest flight ticket from Perth to Seattle

What is the typical price of a round-trip flight between Perth and Seattle?

What is the cheapest month to fly to Seattle?

Can stopping save me money on Perth to Seattle flights?

What is the cheapest airline that flies from Perth to Seattle/Tacoma Intl?

Which airlines fly to Seattle?

When to book flights from Perth to Seattle

Cheap Perth to Seattle (PER to SEA) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Travelling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington

Fly your favourite airline to Seattle

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seattle

List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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