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

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

Which airlines fly to Seattle?

Singapore Airlines, Japan Airlines and Qantas Airways are the top three most popular airlines that fly to Seattle from Perth according to our data. Singapore Airlines is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 4 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 December 2025, there are 4 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.

$856 Cheap Flights from Perth to Seattle in 2025/26

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Find the cheapest flights from Perth to Seattle

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

10:30 - 09:55

PER

SEA

39h 25m2 stops

12:30 - 23:55

SEA

PER

43h 25m2 stops

$1,354Japan Airlines

Mon, 16 Feb - Wed, 4 Mar

00:10 - 10:25

PER

SEA

25h 15m2 stops

13:30 - 00:40

SEA

PER

44h 10m2 stops

$1,606Japan Airlines

Sat, 2 May - Wed, 6 May

00:10 - 10:25

PER

SEA

25h 15m2 stops

13:30 - 00:40

SEA

PER

44h 10m2 stops

$1,609Japan Airlines

Sat, 2 May - Wed, 6 May

21:55 - 13:20

PER

SEA

31h 25m1 stop

15:45 - 20:10

SEA

PER

36h 25m1 stop

$1,634ANA

Mon, 16 Feb - Wed, 4 Mar

23:10 - 14:31

PER

SEA

31h 21m2 stops

21:30 - 07:20

SEA

PER

41h 50m1 stop

$1,648Multiple Airlines

Mon, 16 Feb - Wed, 4 Mar

23:10 - 14:31

PER

SEA

31h 21m2 stops

05:50 - 22:15

SEA

PER

48h 25m2 stops

$1,693Multiple Airlines

Sun, 25 Jan - Sun, 8 Feb

14:35 - 18:40

PER

SEA

44h 05m3 stops

21:30 - 07:20

SEA

PER

41h 50m1 stop

$1,744Multiple Airlines

Mon, 16 Feb - Wed, 4 Mar

23:10 - 22:06

PER

SEA

38h 56m2 stops

20:00 - 22:15

SEA

PER

34h 15m2 stops

$1,793Multiple Airlines

Fri, 23 Jan - Fri, 30 Jan

14:35 - 15:05

PER

SEA

40h 30m2 stops

08:45 - 19:35

SEA

PER

42h 50m1 stop

$1,847Multiple Airlines

Sun, 25 Jan - Sun, 8 Feb

10:30 - 09:55

PER

SEA

39h 25m2 stops

12:30 - 23:55

SEA

PER

43h 25m2 stops

$1,880Japan Airlines

Fri, 23 Jan - Fri, 30 Jan

ANA flights from Perth to Seattle

Our best ANA deals on Perth to Seattle flight tickets

ANA

16 Feb

PER21:55Perth

31h 25m

1 stop

SEA13:20Seattle/Tacoma Intl

4 Mar

SEA15:45Seattle/Tacoma Intl

36h 25m

1 stop

PER20:10Perth

$1,634

Find similar

ANA

25 Jan

PER21:55Perth

31h 25m

1 stop

SEA13:20Seattle/Tacoma Intl

8 Feb

SEA15:45Seattle/Tacoma Intl

36h 25m

1 stop

PER20:10Perth

$1,979

Find similar

ANA

23 Jan

PER21:55Perth

31h 25m

1 stop

SEA13:20Seattle/Tacoma Intl

30 Jan

SEA15:45Seattle/Tacoma Intl

36h 25m

1 stop

PER20:10Perth

$2,523

Find similar

Qatar Airways flights from Perth to Seattle

Our best Qatar Airways deals on Perth to Seattle flight tickets

Qatar Airways

3 May

PER22:45Perth

29h 00m

1 stop

SEA12:45Seattle/Tacoma Intl

6 May

SEA16:30Seattle/Tacoma Intl

28h 25m

1 stop

PER11:55Perth

$2,473

Find similar

Qatar Airways

3 May

PER22:45Perth

29h 00m

1 stop

SEA12:45Seattle/Tacoma Intl

6 May

SEA16:30Seattle/Tacoma Intl

35h 20m

1 stop

PER18:50Perth

$2,475

Find similar

Qatar Airways

3 May

PER22:45Perth

29h 00m

1 stop

SEA12:45Seattle/Tacoma Intl

6 May

SEA16:30Seattle/Tacoma Intl

28h 25m

1 stop

PER11:55Perth

$2,479

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/2

10:30-09:55

2 stops39h 25m

Seattle/Tacoma Intl

Wed 4/3

12:30-23:55

2 stops43h 25m

$1,354

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 2/5

00:10-10:25

2 stops25h 15m

Seattle/Tacoma Intl

Wed 6/5

13:30-00:40

2 stops44h 10m

$1,606

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 2/5

00:10-10:25

2 stops25h 15m

Seattle/Tacoma Intl

Wed 6/5

13:30-00:40

2 stops44h 10m

$1,609

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/2

21:55-13:20

1 stop31h 25m

Seattle/Tacoma Intl

Wed 4/3

15:45-20:10

1 stop36h 25m

$1,634

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/2

23:10-14:31

2 stops31h 21m

Seattle/Tacoma Intl

Wed 4/3

21:30-07:20

1 stop41h 50m

$1,648

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 25/1

23:10-14:31

2 stops31h 21m

Seattle/Tacoma Intl

Sun 8/2

05:50-22:15

2 stops48h 25m

$1,693

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/2

14:35-18:40

3 stops44h 05m

Seattle/Tacoma Intl

Wed 4/3

21:30-07:20

1 stop41h 50m

$1,744

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 23/1

23:10-22:06

2 stops38h 56m

Seattle/Tacoma Intl

Fri 30/1

20:00-22:15

2 stops34h 15m

$1,793

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 25/1

14:35-15:05

2 stops40h 30m

Seattle/Tacoma Intl

Sun 8/2

08:45-19:35

1 stop42h 50m

$1,847

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 23/1

10:30-09:55

2 stops39h 25m

Seattle/Tacoma Intl

Fri 30/1

12:30-23:55

2 stops43h 25m

$1,880

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 cheapest month to fly to Seattle?

The month of September is, on average, the cheapest month to fly to Seattle from Perth, with most prices found around $1,714. If you are unable to visit Seattle during the month of September, then departing from Perth during the month October is also very affordable. Most momondo users find prices during this month for around $1,753.

What is the cheapest day to depart on your flight to Seattle?

The cheapest day to depart from Perth to Seattle is on a Wednesday. Travellers who choose to depart for Seattle on a Wednesday will often find tickets for as low as $1,897. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Perth to Seattle for around $2,203.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is in the morning. momondo users have found flights departing from Perth to Seattle in the morning for as low as $1,722. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is at midday when prices are around $2,254.

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 $2,011 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 $1,686 on momondo.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 8% on your flight if you consider stops on a Perth to Seattle flight.

How have Perth to Seattle flight prices changed over time?

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	37h 00m
Direct flights	None

The fastest flight from Perth to Seattle takes 37h 00m

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 37h 00m.
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 December 2025, there are 4 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 Singapore Airlines, making up 49% of the total bookings. Other popular airlines include Japan Airlines with 38%, Qantas Airways with 8%, and ANA with 5%.

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 $1,451	Free cancellation	Rating 8.3 1,651 reviews	Search Japan Airlines flights
ANA	PriceFrom $1,587	Free cancellation	Rating 8.4 1,020 reviews	Search ANA flights
Qantas Airways	PriceFrom $1,683	Free cancellation	Rating 7.5 947 reviews	Search Qantas Airways flights
Singapore Airlines	PriceFrom $1,684	Free cancellation	Rating 8.1 1,412 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.