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.

$659 Cheap Flights from Perth to Seattle in 2026

Find the cheapest flights from Perth to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:35 am - 8:05 pmPER Perth-SEA Seattle/Tacoma Intl

26h 30m1 stop Manila Ninoy Aquino Intl

11:10 pm - 7:15 amSEA Seattle/Tacoma Intl-PER Perth

41h 05m1 stop Manila Ninoy Aquino Intl

$1,048Philippine Airlines

Thu, Oct 1 - Fri, Oct 16

8:35 am - 8:05 pmPER Perth-SEA Seattle/Tacoma Intl

26h 30m1 stop Manila Ninoy Aquino Intl

11:10 pm - 7:15 amSEA Seattle/Tacoma Intl-PER Perth

41h 05m1 stop Manila Ninoy Aquino Intl

$1,051Philippine Airlines

Thu, Oct 1 - Fri, Oct 16

8:35 am - 8:05 pmPER Perth-SEA Seattle/Tacoma Intl

26h 30m1 stop Manila Ninoy Aquino Intl

11:10 pm - 7:15 amSEA Seattle/Tacoma Intl-PER Perth

41h 05m1 stop Manila Ninoy Aquino Intl

$1,133Philippine Airlines

Thu, Oct 1 - Fri, Oct 16

5:05 pm - 7:05 amPER Perth-SEA Seattle/Tacoma Intl

30h 00m1 stop Singapore Changi

8:40 am - 12:35 pmSEA Seattle/Tacoma Intl-PER Perth

35h 55m1 stop Singapore Changi

$1,258Singapore Airlines

Tue, Nov 3 - Tue, Nov 10

5:35 am - 4:10 pmPER Perth-SEA Seattle/Tacoma Intl

25h 35m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

1:15 am - 8:10 amSEA Seattle/Tacoma Intl-PER Perth

39h 55m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,267Multiple Airlines

Sat, Oct 10 - Fri, Oct 16

10:55 pm - 11:14 amPER Perth-SEA Seattle/Tacoma Intl

51h 19m2 stops Sydney Kingsford Smith Dallas/Fort Worth

7:10 am - 2:20 pmSEA Seattle/Tacoma Intl-PER Perth

40h 10m2 stops Los Angeles Los Angeles Sydney Kingsford Smith

$1,275American Airlines

Thu, Oct 22 - Sun, Oct 25

10:55 pm - 11:14 amPER Perth-SEA Seattle/Tacoma Intl

51h 19m2 stops Sydney Kingsford Smith Dallas/Fort Worth

7:10 am - 2:20 pmSEA Seattle/Tacoma Intl-PER Perth

40h 10m2 stops Los Angeles Los Angeles Sydney Kingsford Smith

$1,276American Airlines

Thu, Oct 22 - Sun, Oct 25

10:55 pm - 11:14 amPER Perth-SEA Seattle/Tacoma Intl

51h 19m2 stops Sydney Kingsford Smith Dallas/Fort Worth

7:10 am - 2:20 pmSEA Seattle/Tacoma Intl-PER Perth

40h 10m2 stops Los Angeles Los Angeles Sydney Kingsford Smith

$1,279American Airlines

Thu, Oct 22 - Sun, Oct 25

5:35 am - 7:15 pmPER Perth-SEA Seattle/Tacoma Intl

28h 40m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

1:15 am - 4:20 amSEA Seattle/Tacoma Intl-PER Perth

36h 05m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,292Multiple Airlines

Thu, Sep 17 - Tue, Sep 29

10:55 pm - 11:18 pmPER Perth-SEA Seattle/Tacoma Intl

40h 23m2 stops Sydney Kingsford Smith San Francisco

3:30 pm - 2:10 pmSEA Seattle/Tacoma Intl-PER Perth

30h 40m2 stops San Francisco Adelaide

$1,663United Airlines

Sun, Dec 27 - Mon, Jan 25

Cheap last minute flights

Enter your travel dates to find the best prices.

5:35 am - 4:10 pmPER Perth-SEA Seattle/Tacoma Intl

25h 35m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

1:15 am - 4:20 amSEA Seattle/Tacoma Intl-PER Perth

36h 05m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,475Multiple Airlines

Tue, Sep 1 - Mon, Sep 28

2:10 am - 4:10 pmPER Perth-SEA Seattle/Tacoma Intl

29h 00m3 stops Kuala Lumpur Intl Singapore Changi Taipei City Taiwan Taoyuan Intl

1:15 am - 1:10 amSEA Seattle/Tacoma Intl-PER Perth

32h 55m3 stops Taipei City Taiwan Taoyuan Intl Singapore Changi Kuala Lumpur Intl

$1,588Multiple Airlines

Mon, Aug 31 - Mon, Sep 28

6:25 pm - 4:10 pmPER Perth-SEA Seattle/Tacoma Intl

36h 45m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

11:10 pm - 7:15 amSEA Seattle/Tacoma Intl-PER Perth

41h 05m1 stop Manila Ninoy Aquino Intl

$1,607Multiple Airlines

Tue, Sep 1 - Wed, Sep 30

5:35 am - 4:35 pmPER Perth-SEA Seattle/Tacoma Intl

26h 00m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

11:10 pm - 7:15 amSEA Seattle/Tacoma Intl-PER Perth

41h 05m1 stop Manila Ninoy Aquino Intl

$1,607Multiple Airlines

Sun, Aug 30 - Wed, Sep 30

10:35 am - 4:10 pmPER Perth-SEA Seattle/Tacoma Intl

44h 35m2 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl

11:10 pm - 7:15 amSEA Seattle/Tacoma Intl-PER Perth

41h 05m1 stop Manila Ninoy Aquino Intl

$1,627Multiple Airlines

Mon, Aug 31 - Wed, Sep 30

8:50 pm - 4:35 pmPER Perth-SEA Seattle/Tacoma Intl

34h 45m2 stops Kuala Lumpur Intl Taipei City Taiwan Taoyuan Intl

11:10 pm - 7:15 amSEA Seattle/Tacoma Intl-PER Perth

41h 05m1 stop Manila Ninoy Aquino Intl

$1,669Multiple Airlines

Sat, Aug 29 - Wed, Sep 30

11:45 pm - 2:24 pmPER Perth-SEA Seattle/Tacoma Intl

29h 39m2 stops Melbourne San Francisco

4:35 pm - 12:30 pmSEA Seattle/Tacoma Intl-PER Perth

28h 55m2 stops Los Angeles Los Angeles Sydney Kingsford Smith

$1,688United Airlines

Sun, Aug 30 - Tue, Sep 29

11:45 pm - 2:24 pmPER Perth-SEA Seattle/Tacoma Intl

29h 39m2 stops Melbourne San Francisco

6:30 am - 12:30 pmSEA Seattle/Tacoma Intl-PER Perth

39h 00m2 stops Los Angeles Los Angeles Sydney Kingsford Smith

$1,692United Airlines

Sun, Aug 30 - Wed, Sep 30

5:15 pm - 12:20 pmPER Perth-SEA Seattle/Tacoma Intl

34h 05m2 stops Brisbane San Francisco

3:18 pm - 12:30 pmSEA Seattle/Tacoma Intl-PER Perth

30h 12m2 stops San Francisco Sydney Kingsford Smith

$1,741United Airlines

Sat, Aug 29 - Tue, Sep 29

1:15 pm - 7:14 pmPER Perth-SEA Seattle/Tacoma Intl

44h 59m2 stops Sydney Kingsford Smith Los Angeles Los Angeles

6:30 am - 12:30 pmSEA Seattle/Tacoma Intl-PER Perth

39h 00m2 stops Los Angeles Los Angeles Sydney Kingsford Smith

$1,743United Airlines

Sat, Aug 29 - Wed, Sep 30

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Philippine Airlines flights from Perth to Seattle

Our best Philippine Airlines deals on Perth to Seattle flight tickets

Philippine Airlines

Oct 1

PER8:35 amPerth

26h 30m

1 stop

SEA8:05 pmSeattle/Tacoma Intl

Oct 16

SEA11:10 pmSeattle/Tacoma Intl

41h 05m

1 stop

PER7:15 amPerth

$1,048

Philippine Airlines

Oct 1

PER8:35 amPerth

26h 30m

1 stop

SEA8:05 pmSeattle/Tacoma Intl

Oct 16

SEA11:10 pmSeattle/Tacoma Intl

41h 05m

1 stop

PER7:15 amPerth

$1,051

Philippine Airlines

Oct 1

PER8:35 amPerth

26h 30m

1 stop

SEA8:05 pmSeattle/Tacoma Intl

Oct 16

SEA11:10 pmSeattle/Tacoma Intl

41h 05m

1 stop

PER7:15 amPerth

$1,133

American Airlines flights from Perth to Seattle

Our best American Airlines deals on Perth to Seattle flight tickets

American Airlines

Oct 22

PER10:55 pmPerth

51h 19m

2 stops

SEA11:14 amSeattle/Tacoma Intl

Oct 25

SEA7:10 amSeattle/Tacoma Intl

40h 10m

2 stops

PER2:20 pmPerth

$1,275

American Airlines

Oct 22

PER10:55 pmPerth

51h 19m

2 stops

SEA11:14 amSeattle/Tacoma Intl

Oct 25

SEA7:10 amSeattle/Tacoma Intl

40h 10m

2 stops

PER2:20 pmPerth

$1,276

American Airlines

Oct 22

PER10:55 pmPerth

51h 19m

2 stops

SEA11:14 amSeattle/Tacoma Intl

Oct 25

SEA7:10 amSeattle/Tacoma Intl

40h 10m

2 stops

PER2:20 pmPerth

$1,279

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/1

8:35 am-8:05 pm

1 stop26h 30m

Seattle/Tacoma Intl

Fri 10/16

11:10 pm-7:15 am

1 stop41h 05m

$1,048

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/1

8:35 am-8:05 pm

1 stop26h 30m

Seattle/Tacoma Intl

Fri 10/16

11:10 pm-7:15 am

1 stop41h 05m

$1,051

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/1

8:35 am-8:05 pm

1 stop26h 30m

Seattle/Tacoma Intl

Fri 10/16

11:10 pm-7:15 am

1 stop41h 05m

$1,133

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 11/3

5:05 pm-7:05 am

1 stop30h 00m

Seattle/Tacoma Intl

Tue 11/10

8:40 am-12:35 pm

1 stop35h 55m

$1,258

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Sat 10/10

5:35 am-4:10 pm

2 stops25h 35m

Seattle/Tacoma Intl

Fri 10/16

1:15 am-8:10 am

2 stops39h 55m

$1,267

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/22

10:55 pm-11:14 am

2 stops51h 19m

Seattle/Tacoma Intl

Sun 10/25

7:10 am-2:20 pm

2 stops40h 10m

$1,275

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/22

10:55 pm-11:14 am

2 stops51h 19m

Seattle/Tacoma Intl

Sun 10/25

7:10 am-2:20 pm

2 stops40h 10m

$1,276

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/22

10:55 pm-11:14 am

2 stops51h 19m

Seattle/Tacoma Intl

Sun 10/25

7:10 am-2:20 pm

2 stops40h 10m

$1,279

Quickest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 9/17

5:35 am-7:15 pm

2 stops28h 40m

Seattle/Tacoma Intl

Tue 9/29

1:15 am-4:20 am

2 stops36h 05m

$1,292

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Sun 12/27

10:55 pm-11:18 pm

2 stops40h 23m

Seattle/Tacoma Intl

Mon 1/25

3:30 pm-2:10 pm

2 stops30h 40m

$1,663

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

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

Prices are currently low for flights on this route.

Typical prices usually range from $1,063 to $1,624.
The lowest price recently found on this route was $1,048.

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 November 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 33% 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	$659
Fastest flight time	24h 45m
Direct flights	None

The best one-way flight to Seattle from Perth in the past 72 hours is $659. The best round-trip flight deal from Perth to Seattle found on momondo in the last 72 hours is $1,048.

The fastest flight from Perth to Seattle takes 24h 45m

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 24h 45m, 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

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Ocean Shores

Renton

Kent

Olympia

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Puyallup

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Fife

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Marysville

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Shoreline

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Lacey

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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.