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

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

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 were last updated today.

How old do you have to be to fly from Perth Airport to Seattle/Tacoma Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 license 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.

$643 Cheap Flights from Perth to Seattle in 2025/26

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Find the cheapest flights from Perth to Seattle

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Cheap round-trip flights

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12:25 am - 9:55 amPER-SEA

25h 30m2 stops

1:30 pm - 11:55 pmSEA-PER

43h 25m2 stops

$1,156Japan Airlines

Find Deal

Wed, Mar 4 - Mon, Mar 9

11:10 pm - 11:29 amPER-SEA

28h 19m2 stops

7:30 pm - 10:15 pmSEA-PER

34h 45m2 stops

$1,354Multiple Airlines

Find Deal

Thu, Jan 15 - Thu, Jan 22

6:30 pm - 9:00 amPER-SEA

30h 30m2 stops

12:10 am - 1:35 amSEA-PER

33h 25m2 stops

$1,525Multiple Airlines

Find Deal

Thu, Jan 15 - Wed, Jan 21

10:30 pm - 10:46 pmPER-SEA

40h 16m2 stops

8:45 am - 7:35 pmSEA-PER

42h 50m1 stop

$1,527Multiple Airlines

Find Deal

Thu, Jan 15 - Thu, Jan 22

5:15 am - 10:06 pmPER-SEA

32h 51m3 stops

12:10 am - 1:35 amSEA-PER

33h 25m2 stops

$1,573Multiple Airlines

Find Deal

Thu, Jan 15 - Wed, Jan 21

10:45 pm - 11:40 amPER-SEA

28h 55m1 stop

5:05 pm - 11:55 amSEA-PER

27h 50m1 stop

$1,615Qatar Airways

Find Deal

Thu, Mar 5 - Mon, Mar 9

12:25 am - 9:55 amPER-SEA

25h 30m2 stops

12:30 pm - 11:55 pmSEA-PER

43h 25m2 stops

$1,618Japan Airlines

Find Deal

Wed, Jan 14 - Thu, Jan 22

3:35 am - 6:10 pmPER-SEA

30h 35m3 stops

12:10 am - 1:35 amSEA-PER

33h 25m2 stops

$1,622Multiple Airlines

Find Deal

Wed, Jan 14 - Wed, Jan 21

3:35 am - 6:10 pmPER-SEA

30h 35m2 stops

12:10 am - 1:35 amSEA-PER

33h 25m2 stops

$1,640Multiple Airlines

Find Deal

Wed, Jan 14 - Wed, Jan 21

5:15 am - 10:06 pmPER-SEA

32h 51m3 stops

12:10 am - 1:35 amSEA-PER

33h 25m3 stops

$1,655Multiple Airlines

Find Deal

Thu, Jan 15 - Wed, Jan 21

Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets

Japan Airlines

Nov 20

PER10:30 amPerth

39h 20m

2 stops

SEA9:50 amSeattle/Tacoma Intl

Dec 3

SEA12:10 pmSeattle/Tacoma Intl

42h 45m

2 stops

PER10:55 pmPerth

$1,035

Find similar

Japan Airlines

Mar 4

PER12:25 amPerth

25h 30m

2 stops

SEA9:55 amSeattle/Tacoma Intl

Mar 9

SEA1:30 pmSeattle/Tacoma Intl

43h 25m

2 stops

PER11:55 pmPerth

$1,156

Find similar

Japan Airlines

Nov 19

PER12:25 amPerth

25h 25m

2 stops

SEA9:50 amSeattle/Tacoma Intl

Nov 24

SEA12:10 pmSeattle/Tacoma Intl

43h 45m

2 stops

PER11:55 pmPerth

$1,225

Find similar

Qatar Airways flights from Perth to Seattle

Our best Qatar Airways deals on Perth to Seattle flight tickets

Qatar Airways

Mar 5

PER10:45 pmPerth

28h 55m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Mar 9

SEA5:05 pmSeattle/Tacoma Intl

27h 50m

1 stop

PER11:55 amPerth

$1,615

Find similar

Qatar Airways

Mar 5

PER10:45 pmPerth

28h 55m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Mar 9

SEA10:44 amSeattle/Tacoma Intl

34h 11m

2 stops

PER11:55 amPerth

$1,750

Find similar

Qatar Airways

Nov 20

PER3:55 pmPerth

35h 45m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Nov 24

SEA4:05 pmSeattle/Tacoma Intl

27h 50m

1 stop

PER11:55 amPerth

$1,801

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 3/4

12:25 am-9:55 am

2 stops25h 30m

Seattle/Tacoma Intl

Mon 3/9

1:30 pm-11:55 pm

2 stops43h 25m

$1,156

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 1/15

11:10 pm-11:29 am

2 stops28h 19m

Seattle/Tacoma Intl

Thu 1/22

7:30 pm-10:15 pm

2 stops34h 45m

$1,354

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 1/15

6:30 pm-9:00 am

2 stops30h 30m

Seattle/Tacoma Intl

Wed 1/21

12:10 am-1:35 am

2 stops33h 25m

$1,525

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 1/15

10:30 pm-10:46 pm

2 stops40h 16m

Seattle/Tacoma Intl

Thu 1/22

8:45 am-7:35 pm

1 stop42h 50m

$1,527

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 1/15

5:15 am-10:06 pm

3 stops32h 51m

Seattle/Tacoma Intl

Wed 1/21

12:10 am-1:35 am

2 stops33h 25m

$1,573

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/5

10:45 pm-11:40 am

1 stop28h 55m

Seattle/Tacoma Intl

Mon 3/9

5:05 pm-11:55 am

1 stop27h 50m

$1,615

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 1/14

12:25 am-9:55 am

2 stops25h 30m

Seattle/Tacoma Intl

Thu 1/22

12:30 pm-11:55 pm

2 stops43h 25m

$1,618

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 1/14

3:35 am-6:10 pm

3 stops30h 35m

Seattle/Tacoma Intl

Wed 1/21

12:10 am-1:35 am

2 stops33h 25m

$1,622

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 1/14

3:35 am-6:10 pm

2 stops30h 35m

Seattle/Tacoma Intl

Wed 1/21

12:10 am-1:35 am

2 stops33h 25m

$1,640

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 1/15

5:15 am-10:06 pm

3 stops32h 51m

Seattle/Tacoma Intl

Wed 1/21

12:10 am-1:35 am

3 stops33h 25m

$1,655

Flights are sorted by cheapest round-trip 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?

In general, September is the cheapest month to fly from Perth to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,137. If you don’t want to visit Seattle in September, then you should wait until October to fly from Perth, when ticket prices are also cheap, with an average price of $1,164.

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 $1,344 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Perth for as low as $1,119 on momondo.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 26% 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 round-trip 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.

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How far is Perth to Seattle/Tacoma Intl by plane?
Perth and Seattle/Tacoma Intl are 9239.1 mi apart from one another. Flights usually cover this in 25h 30m, depending on flying conditions and air traffic around both airports.
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 were last updated today.
How old do you have to be to fly from Perth Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 license 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.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Lakewood

Federal Way

Fife

Cle Elum

Centralia

Kirkland

Westport

Shoreline

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Perth to Seattle for you.

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

Flights from Perth to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Perth and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Perth to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.