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

Philippine Airlines and United 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.

$623 Cheap Flights from Perth to Seattle in 2026/27

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.

8:40 pm - 7:05 amPER Perth-SEA Seattle/Tacoma Intl

50h 25m2 stops Denpasar Bali Ngurah Rai Singapore Changi

8:40 am - 4:35 pmSEA Seattle/Tacoma Intl-PER Perth

39h 55m1 stop Singapore Changi

$1,124Multiple Airlines

Mon, Nov 9 - 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

Mon, Nov 2 - Mon, Nov 9

9:10 pm - 7:05 amPER Perth-SEA Seattle/Tacoma Intl

25h 55m1 stop Singapore Changi

11:00 am - 4:25 pmSEA Seattle/Tacoma Intl-PER Perth

37h 25m2 stops Incheon Intl Ho Chi Minh City

$1,207Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

5:50 pm - 7:05 amPER Perth-SEA Seattle/Tacoma Intl

29h 15m1 stop Singapore Changi

8:40 am - 4:35 pmSEA Seattle/Tacoma Intl-PER Perth

39h 55m1 stop Singapore Changi

$1,256Multiple Airlines

Mon, Nov 9 - Sat, Nov 28

5:50 pm - 2:10 pmPER Perth-SEA Seattle/Tacoma Intl

36h 20m2 stops Singapore Changi Incheon Intl

11:00 am - 4:35 pmSEA Seattle/Tacoma Intl-PER Perth

37h 35m2 stops Incheon Intl Singapore Changi

$1,282Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

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

$1,310Singapore Airlines

Tue, Nov 3 - Tue, Nov 10

11:10 pm - 9:05 amPER Perth-SEA Seattle/Tacoma Intl

49h 55m3 stops Kuala Lumpur Intl Singapore Changi Incheon Intl

11:00 am - 5:50 amSEA Seattle/Tacoma Intl-PER Perth

50h 50m3 stops Incheon Intl Singapore Changi Kuala Lumpur Intl

$1,342Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

12:45 am - 7:20 pmPER Perth-SEA Seattle/Tacoma Intl

33h 35m3 stops Kuala Lumpur Intl Hanoi Noibai Taipei City Taiwan Taoyuan Intl

1:30 am - 3:45 amSEA Seattle/Tacoma Intl-PER Perth

35h 15m3 stops Taipei City Taiwan Taoyuan Intl Hanoi Noibai Kuala Lumpur Intl

$1,354Multiple Airlines

Tue, Oct 13 - Tue, Oct 20

6:30 pm - 9:05 amPER Perth-SEA Seattle/Tacoma Intl

30h 35m2 stops Denpasar Bali Ngurah Rai Incheon Intl

12:10 am - 3:40 amSEA Seattle/Tacoma Intl-PER Perth

35h 30m2 stops Taipei City Taiwan Taoyuan Intl Kuala Lumpur Intl

$1,363Multiple Airlines

Tue, Nov 3 - Mon, Nov 9

7:25 am - 7:05 amPER Perth-SEA Seattle/Tacoma Intl

39h 40m3 stops Denpasar Bali Ngurah Rai Kuala Lumpur Intl Singapore Changi

8:40 am - 4:35 pmSEA Seattle/Tacoma Intl-PER Perth

39h 55m1 stop Singapore Changi

$1,368Multiple Airlines

Mon, Nov 9 - Sat, Nov 28

Cheap last minute flights

Enter your travel dates to find the best prices.

5:35 am - 1:05 pmPER Perth-SEA Seattle/Tacoma Intl

46h 30m2 stops Singapore Changi Doha Hamad Intl

4:25 pm - 4:20 amSEA Seattle/Tacoma Intl-PER Perth

44h 55m2 stops Doha Hamad Intl Singapore Changi

$2,120Multiple Airlines

Sat, Sep 26 - Sat, Oct 10

4:45 am - 1:05 pmPER Perth-SEA Seattle/Tacoma Intl

47h 20m3 stops Kuala Lumpur Intl Singapore Changi Doha Hamad Intl

4:25 pm - 7:50 pmSEA Seattle/Tacoma Intl-PER Perth

60h 25m3 stops Doha Hamad Intl Singapore Changi Kuala Lumpur Intl

$2,125Multiple Airlines

Sat, Sep 26 - Sat, Oct 10

10:45 pm - 1:05 pmPER Perth-SEA Seattle/Tacoma Intl

29h 20m1 stop Doha Hamad Intl

7:08 pm - 6:50 amSEA Seattle/Tacoma Intl-PER Perth

44h 42m2 stops Los Angeles Hong Kong Intl

$2,179Multiple Airlines

Sat, Sep 26 - Sat, Oct 10

10:45 pm - 1:05 pmPER Perth-SEA Seattle/Tacoma Intl

29h 20m1 stop Doha Hamad Intl

4:25 pm - 6:35 pmSEA Seattle/Tacoma Intl-PER Perth

35h 10m1 stop Doha Hamad Intl

$2,411Qatar Airways

Sat, Sep 26 - Sat, Oct 10

10:45 pm - 9:25 amPER Perth-SEA Seattle/Tacoma Intl

49h 40m2 stops Doha Hamad Intl Atlanta Hartsfield-Jackson

4:25 pm - 8:25 pmSEA Seattle/Tacoma Intl-PER Perth

37h 00m2 stops Doha Hamad Intl Adelaide

$2,460Qatar Airways

Sat, Sep 26 - Fri, Oct 9

10:45 pm - 1:05 pmPER Perth-SEA Seattle/Tacoma Intl

29h 20m1 stop Doha Hamad Intl

4:25 pm - 6:35 pmSEA Seattle/Tacoma Intl-PER Perth

35h 10m1 stop Doha Hamad Intl

$2,526Qatar Airways

Fri, Sep 25 - Sat, Oct 10

10:45 pm - 7:07 pmPER Perth-SEA Seattle/Tacoma Intl

35h 22m2 stops Doha Hamad Intl San Francisco

4:25 pm - 6:35 pmSEA Seattle/Tacoma Intl-PER Perth

35h 10m1 stop Doha Hamad Intl

$2,553Qatar Airways

Fri, Sep 25 - Fri, Oct 9

10:45 pm - 1:05 pmPER Perth-SEA Seattle/Tacoma Intl

29h 20m1 stop Doha Hamad Intl

1:00 pm - 8:55 amSEA Seattle/Tacoma Intl-PER Perth

28h 55m2 stops Incheon Intl Ho Chi Minh City

$2,649Multiple Airlines

Sat, Sep 26 - Fri, Oct 9

10:45 pm - 7:07 pmPER Perth-SEA Seattle/Tacoma Intl

35h 22m2 stops Doha Hamad Intl San Francisco

11:43 am - 6:35 pmSEA Seattle/Tacoma Intl-PER Perth

39h 52m2 stops Los Angeles Doha Hamad Intl

$2,715Qatar Airways

Fri, Sep 25 - Sat, Oct 10

10:45 pm - 7:07 pmPER Perth-SEA Seattle/Tacoma Intl

35h 22m2 stops Doha Hamad Intl San Francisco

4:25 pm - 10:50 pmSEA Seattle/Tacoma Intl-PER Perth

39h 25m2 stops Doha Hamad Intl Adelaide

$2,785Qatar Airways

Fri, Sep 25 - Fri, Oct 9

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Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets

Japan Airlines

Oct 21

PER12:15 pmPerth

37h 20m

2 stops

SEA10:35 amSeattle/Tacoma Intl

Oct 25

SEA1:00 pmSeattle/Tacoma Intl

42h 55m

2 stops

PER10:55 pmPerth

$1,670

Japan Airlines

Oct 21

PER12:15 pmPerth

37h 20m

2 stops

SEA10:35 amSeattle/Tacoma Intl

Oct 25

SEA1:00 pmSeattle/Tacoma Intl

42h 55m

2 stops

PER10:55 pmPerth

$1,673

Japan Airlines

Oct 21

PER12:15 pmPerth

37h 20m

2 stops

SEA10:35 amSeattle/Tacoma Intl

Oct 25

SEA1:00 pmSeattle/Tacoma Intl

42h 55m

2 stops

PER10:55 pmPerth

$1,674

Qatar Airways flights from Perth to Seattle

Our best Qatar Airways deals on Perth to Seattle flight tickets

Qatar Airways

Sep 27

PER10:45 pmPerth

49h 40m

2 stops

SEA9:25 amSeattle/Tacoma Intl

Oct 10

SEA4:25 pmSeattle/Tacoma Intl

39h 45m

2 stops

PER11:10 pmPerth

$2,325

Qatar Airways

Sep 27

PER10:45 pmPerth

49h 40m

2 stops

SEA9:25 amSeattle/Tacoma Intl

Oct 9

SEA4:25 pmSeattle/Tacoma Intl

39h 25m

2 stops

PER10:50 pmPerth

$2,329

Qatar Airways

Sep 26

PER10:45 pmPerth

29h 20m

1 stop

SEA1:05 pmSeattle/Tacoma Intl

Oct 10

SEA4:25 pmSeattle/Tacoma Intl

35h 10m

1 stop

PER6:35 pmPerth

$2,411

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/9

8:40 pm-7:05 am

2 stops50h 25m

Seattle/Tacoma Intl

Sat 11/28

8:40 am-4:35 pm

1 stop39h 55m

$1,124

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/2

8:35 am-6:45 pm

1 stop26h 10m

Seattle/Tacoma Intl

Mon 11/9

9:30 pm-7:20 am

1 stop41h 50m

$1,186

Quickest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 11/3

9:10 pm-7:05 am

1 stop25h 55m

Seattle/Tacoma Intl

Tue 11/10

11:00 am-4:25 pm

2 stops37h 25m

$1,207

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/9

5:50 pm-7:05 am

1 stop29h 15m

Seattle/Tacoma Intl

Sat 11/28

8:40 am-4:35 pm

1 stop39h 55m

$1,256

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/2

5:50 pm-2:10 pm

2 stops36h 20m

Seattle/Tacoma Intl

Mon 11/9

11:00 am-4:35 pm

2 stops37h 35m

$1,282

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

$1,310

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/2

11:10 pm-9:05 am

3 stops49h 55m

Seattle/Tacoma Intl

Mon 11/9

11:00 am-5:50 am

3 stops50h 50m

$1,342

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 10/13

12:45 am-7:20 pm

3 stops33h 35m

Seattle/Tacoma Intl

Tue 10/20

1:30 am-3:45 am

3 stops35h 15m

$1,354

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 11/3

6:30 pm-9:05 am

2 stops30h 35m

Seattle/Tacoma Intl

Mon 11/9

12:10 am-3:40 am

2 stops35h 30m

$1,363

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/9

7:25 am-7:05 am

3 stops39h 40m

Seattle/Tacoma Intl

Sat 11/28

8:40 am-4:35 pm

1 stop39h 55m

$1,368

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 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 $1,282 to $1,508.
The lowest price recently found on this route was $1,124.

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 $1,229.

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	$623
Fastest flight time	37h 20m
Direct flights	None

The best one-way flight to Seattle from Perth in the past 72 hours is $623. The best round-trip flight deal from Perth to Seattle found on momondo in the last 72 hours is $1,124.

The fastest flight from Perth to Seattle takes 37h 20m

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 37h 20m, 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

Kent

Olympia

Redmond

Lakewood

Federal Way

Fife

Puyallup

Tukwila

Lynnwood

Cle Elum

Marysville

Lacey

Kirkland

Centralia

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.