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

Qantas Airways, Japan Airlines, and Singapore Airlines 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 50% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 5 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 November 2025, there are 5 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.

$1,131 Cheap Flights from Perth to Seattle in 2025/26

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16:45 - 09:31PER-SEA

32h 46m2 stops

20:00 - 20:10SEA-PER

32h 10m2 stops

$1,551Air Canada

Find Deal

Tue, 17 Feb - Sat, 28 Feb

22:55 - 09:31PER-SEA

26h 36m2 stops

20:00 - 14:30SEA-PER

26h 30m2 stops

$1,616Multiple Airlines

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Tue, 3 Feb - Sun, 22 Feb

22:55 - 15:05PER-SEA

32h 10m2 stops

08:45 - 04:15SEA-PER

27h 30m1 stop

$1,631Multiple Airlines

Find Deal

Tue, 17 Feb - Sat, 28 Feb

06:40 - 07:10PER-SEA

64h 30m1 stop

08:45 - 12:35SEA-PER

35h 50m1 stop

$1,707Singapore Airlines

Find Deal

Tue, 17 Feb - Sat, 28 Feb

01:15 - 07:10PER-SEA

21h 55m1 stop

08:45 - 05:25SEA-PER

28h 40m1 stop

$1,736Singapore Airlines

Find Deal

Mon, 16 Feb - Sat, 28 Feb

00:25 - 14:25PER-SEA

30h 00m3 stops

12:30 - 23:55SEA-PER

43h 25m2 stops

$2,295Japan Airlines

Find Deal

Mon, 16 Feb - Sat, 28 Feb

00:25 - 09:50PER-SEA

25h 25m2 stops

12:10 - 22:55SEA-PER

42h 45m2 stops

$2,409Japan Airlines

Find Deal

Wed, 19 Nov - Mon, 24 Nov

15:55 - 11:40PER-SEA

35h 45m1 stop

16:05 - 18:45SEA-PER

34h 40m1 stop

$2,498Qatar Airways

Find Deal

Thu, 20 Nov - Mon, 24 Nov

22:45 - 11:40PER-SEA

28h 55m1 stop

16:05 - 11:55SEA-PER

27h 50m1 stop

$2,682Qatar Airways

Find Deal

Thu, 20 Nov - Mon, 24 Nov

17:45 - 19:56PER-SEA

42h 11m2 stops

06:00 - 14:30SEA-PER

40h 30m2 stops

$3,934Qantas Airways

Find Deal

Fri, 19 Dec - Fri, 26 Dec

Qatar Airways flights from Perth to Seattle

Our best Qatar Airways deals on Perth to Seattle flight tickets

Qatar Airways

20 Nov

PER15:55Perth

35h 45m

1 stop

SEA11:40Seattle/Tacoma Intl

24 Nov

SEA16:05Seattle/Tacoma Intl

34h 40m

1 stop

PER18:45Perth

$2,498

Find similar

Qatar Airways

13 Nov

PER15:55Perth

35h 45m

1 stop

SEA11:40Seattle/Tacoma Intl

26 Nov

SEA16:05Seattle/Tacoma Intl

27h 50m

1 stop

PER11:55Perth

$2,544

Find similar

Qatar Airways

20 Nov

PER22:45Perth

28h 55m

1 stop

SEA11:40Seattle/Tacoma Intl

24 Nov

SEA16:05Seattle/Tacoma Intl

27h 50m

1 stop

PER11:55Perth

$2,682

Find similar

Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets

Japan Airlines

13 Nov

PER10:30Perth

39h 20m

2 stops

SEA09:50Seattle/Tacoma Intl

26 Nov

SEA12:10Seattle/Tacoma Intl

43h 45m

2 stops

PER23:55Perth

$1,894

Find similar

Japan Airlines

16 Feb

PER00:25Perth

30h 00m

3 stops

SEA14:25Seattle/Tacoma Intl

28 Feb

SEA12:30Seattle/Tacoma Intl

43h 25m

2 stops

PER23:55Perth

$2,295

Find similar

Japan Airlines

19 Nov

PER00:25Perth

25h 25m

2 stops

SEA09:50Seattle/Tacoma Intl

24 Nov

SEA12:10Seattle/Tacoma Intl

42h 45m

2 stops

PER22:55Perth

$2,409

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 17/2

16:45-09:31

2 stops32h 46m

Seattle/Tacoma Intl

Sat 28/2

20:00-20:10

2 stops32h 10m

$1,551

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 3/2

22:55-09:31

2 stops26h 36m

Seattle/Tacoma Intl

Sun 22/2

20:00-14:30

2 stops26h 30m

$1,616

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 17/2

22:55-15:05

2 stops32h 10m

Seattle/Tacoma Intl

Sat 28/2

08:45-04:15

1 stop27h 30m

$1,631

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 17/2

06:40-07:10

1 stop64h 30m

Seattle/Tacoma Intl

Sat 28/2

08:45-12:35

1 stop35h 50m

$1,707

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/2

01:15-07:10

1 stop21h 55m

Seattle/Tacoma Intl

Sat 28/2

08:45-05:25

1 stop28h 40m

$1,736

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/2

00:25-14:25

3 stops30h 00m

Seattle/Tacoma Intl

Sat 28/2

12:30-23:55

2 stops43h 25m

$2,295

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 19/11

00:25-09:50

2 stops25h 25m

Seattle/Tacoma Intl

Mon 24/11

12:10-22:55

2 stops42h 45m

$2,409

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 20/11

15:55-11:40

1 stop35h 45m

Seattle/Tacoma Intl

Mon 24/11

16:05-18:45

1 stop34h 40m

$2,498

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 20/11

22:45-11:40

1 stop28h 55m

Seattle/Tacoma Intl

Mon 24/11

16:05-11:55

1 stop27h 50m

$2,682

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 19/12

17:45-19:56

2 stops42h 11m

Seattle/Tacoma Intl

Fri 26/12

06:00-14:30

2 stops40h 30m

$3,934

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 $1,751. 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 $1,813.

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 $1,940. 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 $2,253.

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 $1,761. 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 $2,305.

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 $2,067 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 $1,724 on momondo.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 12% 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

Direct flights	None

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 21h 55m.
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 November 2025, there are 5 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 48% of the total bookings. Other popular airlines include Japan Airlines with 36%, Qantas Airways with 8%, and ANA with 4%.

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 $1,484	Free cancellation	Rating 8.3 1,604 reviews	Search Japan Airlines flights
ANA	PriceFrom $1,622	Free cancellation	Rating 8.4 1,002 reviews	Search ANA flights
Singapore Airlines	PriceFrom $1,704	Free cancellation	Rating 8.1 1,391 reviews	Search Singapore Airlines flights
Qantas Airways	PriceFrom $1,814	Free cancellation	Rating 7.5 927 reviews	Search Qantas Airways flights
Qatar Airways	PriceFrom $2,052	Free cancellation	Rating 7.4 3,660 reviews	Search Qatar Airways 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 $1,131

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 20/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

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Filter for what you want

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Find the cheapest flights from Perth to Seattle

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Qatar Airways flights from Perth to Seattle

Our best Qatar Airways deals on Perth to Seattle flight tickets

Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets

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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?

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

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

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

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 12% on your flight if you consider stops on a Perth to Seattle flight.

How have Perth to Seattle flight prices changed over time?

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

Qantas Airways, Japan Airlines, and Singapore Airlines are the most popular carriers operating 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

Find info about flight duration, direct flights, and airports for your flight from Perth to Seattle

Direct flights

How far is Perth to Seattle/Tacoma Intl by plane?

When did momondo last update prices for flights from Perth Airport to Seattle/Tacoma Intl Airport?

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?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

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

Travelling to a place near Seattle?

Why use momondo?

Why should I use momondo to find a flight deal from Perth to Seattle?

Can I find flights from Perth to Seattle with flexible booking policies on momondo?

How can momondo help me find flights from Perth to Seattle?

I’m not ready to book a flight from Perth to Seattle right now. Can momondo alert me if prices change?

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