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

Philippine Airlines is the most popular carrier 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.

$541 Cheap Flights from Perth to Seattle in 2026/27

Find the cheapest flights from Perth to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:35 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 10m1 stop Manila Ninoy Aquino Intl

9:30 pm - 7:20 amSEA Seattle/Tacoma Intl-PER Perth

41h 50m1 stop Manila Ninoy Aquino Intl

$934Philippine Airlines

Mon, Nov 9 - Fri, Nov 13

8:35 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 10m1 stop Manila Ninoy Aquino Intl

9:30 pm - 7:20 amSEA Seattle/Tacoma Intl-PER Perth

41h 50m1 stop Manila Ninoy Aquino Intl

$939Philippine Airlines

Mon, Nov 16 - Fri, Nov 27

8:35 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 10m1 stop Manila Ninoy Aquino Intl

9:30 pm - 7:20 amSEA Seattle/Tacoma Intl-PER Perth

41h 50m1 stop Manila Ninoy Aquino Intl

$962Philippine Airlines

Thu, Nov 12 - Mon, Nov 30

8:35 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 10m1 stop Manila Ninoy Aquino Intl

9:30 pm - 7:20 amSEA Seattle/Tacoma Intl-PER Perth

41h 50m1 stop Manila Ninoy Aquino Intl

$994Philippine Airlines

Thu, Nov 12 - Wed, Nov 25

8:35 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 10m1 stop Manila Ninoy Aquino Intl

8:40 am - 8:25 amSEA Seattle/Tacoma Intl-PER Perth

31h 45m1 stop Singapore Changi

$1,075Multiple Airlines

Mon, Nov 9 - Sun, Nov 29

8:35 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 10m1 stop Manila Ninoy Aquino Intl

8:40 am - 6:15 amSEA Seattle/Tacoma Intl-PER Perth

29h 35m2 stops Singapore Changi Phuket City

$1,152Multiple Airlines

Mon, Nov 9 - Sun, Nov 29

8:35 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 10m1 stop Manila Ninoy Aquino Intl

3:40 pm - 5:50 amSEA Seattle/Tacoma Intl-PER Perth

46h 10m2 stops Tokyo Haneda Kuala Lumpur Intl

$1,169Multiple Airlines

Mon, Nov 16 - Mon, Nov 30

8:35 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 10m1 stop Manila Ninoy Aquino Intl

3:40 pm - 8:25 amSEA Seattle/Tacoma Intl-PER Perth

48h 45m2 stops Tokyo Haneda Singapore Changi

$1,177Multiple Airlines

Mon, Nov 16 - Sat, Nov 28

8:35 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 10m1 stop Manila Ninoy Aquino Intl

9:30 pm - 7:20 amSEA Seattle/Tacoma Intl-PER Perth

41h 50m1 stop Manila Ninoy Aquino Intl

$1,186Philippine Airlines

Thu, Dec 10 - Thu, Dec 17

8:35 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 10m1 stop Manila Ninoy Aquino Intl

3:40 pm - 3:40 amSEA Seattle/Tacoma Intl-PER Perth

44h 00m2 stops Tokyo Haneda Kuala Lumpur Intl

$1,198Multiple Airlines

Mon, Nov 16 - Tue, Dec 1

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United Airlines flights from Perth to Seattle

Our best United Airlines deals on Perth to Seattle flight tickets

United Airlines

Nov 15

PER10:30 pmPerth

29h 50m

2 stops

SEA12:20 pmSeattle/Tacoma Intl

Nov 25

SEA7:35 pmSeattle/Tacoma Intl

26h 55m

2 stops

PER2:30 pmPerth

$1,383

United Airlines

Nov 16

PER11:45 pmPerth

30h 54m

2 stops

SEA2:39 pmSeattle/Tacoma Intl

Nov 25

SEA7:35 pmSeattle/Tacoma Intl

26h 55m

2 stops

PER2:30 pmPerth

$1,387

United Airlines

Nov 17

PER3:15 pmPerth

35h 59m

2 stops

SEA11:14 amSeattle/Tacoma Intl

Nov 25

SEA5:23 pmSeattle/Tacoma Intl

29h 07m

2 stops

PER2:30 pmPerth

$1,388

Qantas Airways flights from Perth to Seattle

Our best Qantas Airways deals on Perth to Seattle flight tickets

Qantas Airways

Nov 12

PER2:00 pmPerth

25h 42m

2 stops

SEA11:42 pmSeattle/Tacoma Intl

Nov 25

SEA1:38 pmSeattle/Tacoma Intl

34h 42m

2 stops

PER4:20 pmPerth

$1,393

Qantas Airways

Nov 12

PER2:00 pmPerth

25h 42m

2 stops

SEA11:42 pmSeattle/Tacoma Intl

Dec 1

SEA3:55 pmSeattle/Tacoma Intl

34h 30m

2 stops

PER6:25 pmPerth

$1,399

Qantas Airways

Nov 15

PER10:45 pmPerth

40h 57m

2 stops

SEA11:42 pmSeattle/Tacoma Intl

Dec 1

SEA3:55 pmSeattle/Tacoma Intl

27h 15m

2 stops

PER11:10 amPerth

$1,430

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/9

8:35 am-6:45 pm

1 stop26h 10m

Seattle/Tacoma Intl

Fri 11/13

9:30 pm-7:20 am

1 stop41h 50m

$934

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/16

8:35 am-6:45 pm

1 stop26h 10m

Seattle/Tacoma Intl

Fri 11/27

9:30 pm-7:20 am

1 stop41h 50m

$939

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 11/12

8:35 am-6:45 pm

1 stop26h 10m

Seattle/Tacoma Intl

Mon 11/30

9:30 pm-7:20 am

1 stop41h 50m

$962

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 11/12

8:35 am-6:45 pm

1 stop26h 10m

Seattle/Tacoma Intl

Wed 11/25

9:30 pm-7:20 am

1 stop41h 50m

$994

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/9

8:35 am-6:45 pm

1 stop26h 10m

Seattle/Tacoma Intl

Sun 11/29

8:40 am-8:25 am

1 stop31h 45m

$1,075

Quickest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/9

8:35 am-6:45 pm

1 stop26h 10m

Seattle/Tacoma Intl

Sun 11/29

8:40 am-6:15 am

2 stops29h 35m

$1,152

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/16

8:35 am-6:45 pm

1 stop26h 10m

Seattle/Tacoma Intl

Mon 11/30

3:40 pm-5:50 am

2 stops46h 10m

$1,169

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/16

8:35 am-6:45 pm

1 stop26h 10m

Seattle/Tacoma Intl

Sat 11/28

3:40 pm-8:25 am

2 stops48h 45m

$1,177

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 12/10

8:35 am-6:45 pm

1 stop26h 10m

Seattle/Tacoma Intl

Thu 12/17

9:30 pm-7:20 am

1 stop41h 50m

$1,186

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/16

8:35 am-6:45 pm

1 stop26h 10m

Seattle/Tacoma Intl

Tue 12/1

3:40 pm-3:40 am

2 stops44h 00m

$1,198

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, February 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 $1,081. If you don’t want to visit Seattle in February, then you should wait until September to fly from Perth, when ticket prices are also cheap, with an average price of $1,370.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 29% 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 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

Best Price Found	$541
Fastest flight time	26h 15m
Direct flights	None

The best one-way flight to Seattle from Perth in the past 72 hours is $541. The best round-trip flight deal from Perth to Seattle found on momondo in the last 72 hours is $934.

The fastest flight from Perth to Seattle takes 26h 15m

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?
Perth and Seattle/Tacoma Intl are 9239.1 mi apart from one another. Flights usually cover this in 26h 15m, 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.

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Renton

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Redmond

Kent

Federal Way

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Fife

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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.