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

Philippine Airlines, Virgin Australia, 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.

8:35 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

$930Philippine Airlines

Mon, Nov 23 - Mon, Nov 30

8:35 am - 7:45 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

$946Philippine Airlines

Mon, Oct 26 - Wed, Dec 2

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

$1,192Philippine Airlines

Mon, Nov 2 - Mon, Nov 9

11:45 pm - 8:47 pmPER Perth-SEA Seattle/Tacoma Intl

36h 02m2 stops Melbourne San Francisco

5:35 pm - 4:50 pmSEA Seattle/Tacoma Intl-PER Perth

31h 15m2 stops San Francisco Auckland Intl

$1,194United Airlines

Mon, Oct 26 - Wed, Dec 2

11:45 pm - 4:27 pmPER Perth-SEA Seattle/Tacoma Intl

32h 42m2 stops Melbourne San Francisco

11:59 pm - 11:20 amSEA Seattle/Tacoma Intl-PER Perth

43h 21m2 stops Houston George Bush Intcntl Sydney Kingsford Smith

$1,200United Airlines

Mon, Nov 2 - Mon, Nov 9

11:30 pm - 6:29 pmPER Perth-SEA Seattle/Tacoma Intl

34h 59m2 stops Brisbane San Francisco

9:01 am - 12:30 pmSEA Seattle/Tacoma Intl-PER Perth

35h 29m2 stops San Francisco Brisbane

$1,205United Airlines

Wed, Dec 23 - Tue, Jan 26

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

29h 15m1 stop Singapore Changi

12:10 am - 7:55 pmSEA Seattle/Tacoma Intl-PER Perth

51h 45m2 stops Incheon Intl Kuala Lumpur Intl

$1,236Multiple Airlines

Mon, Nov 2 - Sun, Nov 8

11:30 pm - 6:29 pmPER Perth-SEA Seattle/Tacoma Intl

34h 59m2 stops Brisbane San Francisco

1:18 pm - 2:10 pmSEA Seattle/Tacoma Intl-PER Perth

32h 52m2 stops San Francisco Adelaide

$1,240United Airlines

Thu, Dec 24 - Mon, Jan 4

11:30 pm - 8:40 pmPER Perth-SEA Seattle/Tacoma Intl

37h 10m2 stops Brisbane San Francisco

1:18 pm - 2:10 pmSEA Seattle/Tacoma Intl-PER Perth

32h 52m2 stops San Francisco Adelaide

$1,241United Airlines

Thu, Dec 24 - Mon, Jan 25

11:30 pm - 8:40 pmPER Perth-SEA Seattle/Tacoma Intl

37h 10m2 stops Brisbane San Francisco

9:01 am - 12:30 pmSEA Seattle/Tacoma Intl-PER Perth

35h 29m2 stops San Francisco Brisbane

$1,243United Airlines

Thu, Dec 24 - Wed, Jan 27

Cheap last minute flights

Enter your travel dates to find the best prices.

5:20 pm - 8:05 pmPER Perth-SEA Seattle/Tacoma Intl

41h 45m2 stops Kuala Lumpur Intl Manila Ninoy Aquino Intl

11:10 pm - 9:35 pmSEA Seattle/Tacoma Intl-PER Perth

31h 25m3 stops Manila Ninoy Aquino Intl Kuala Lumpur Intl Denpasar Bali Ngurah Rai

$5,193Multiple Airlines

Mon, Oct 12 - Fri, Oct 16

8:35 am - 7:08 amPER Perth-SEA Seattle/Tacoma Intl

37h 33m2 stops Manila Ninoy Aquino Intl Vancouver Intl

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

41h 05m1 stop Manila Ninoy Aquino Intl

$5,874Multiple Airlines

Mon, Oct 12 - Fri, Oct 16

11:15 pm - 4:10 pmPER Perth-SEA Seattle/Tacoma Intl

55h 55m2 stops Kuala Lumpur Intl Taipei City Taiwan Taoyuan Intl

1:15 am - 5:40 amSEA Seattle/Tacoma Intl-PER Perth

37h 25m2 stops Taipei City Taiwan Taoyuan Intl Kuala Lumpur Intl

$5,950Multiple Airlines

Mon, Oct 12 - Thu, Oct 15

10:20 pm - 1:25 pmPER Perth-SEA Seattle/Tacoma Intl

30h 05m1 stop Dubai Intl

5:15 pm - 12:40 amSEA Seattle/Tacoma Intl-PER Perth

64h 25m2 stops Dubai Intl Singapore Changi

$9,949Emirates

Tue, Oct 13 - Sat, Oct 17

2:10 am - 3:40 pmPER Perth-SEA Seattle/Tacoma Intl

52h 30m3 stops Kuala Lumpur Intl Bangkok Suvarnabhumi Frankfurt am Main

6:00 pm - 1:10 amSEA Seattle/Tacoma Intl-PER Perth

40h 10m3 stops Frankfurt am Main Phuket City Kuala Lumpur Intl

$10,600Multiple Airlines

Mon, Oct 12 - Sat, Oct 17

9:20 am - 3:40 pmPER Perth-SEA Seattle/Tacoma Intl

45h 20m2 stops Bangkok Suvarnabhumi Frankfurt am Main

6:00 pm - 1:10 amSEA Seattle/Tacoma Intl-PER Perth

40h 10m3 stops Frankfurt am Main Phuket City Kuala Lumpur Intl

$10,680Multiple Airlines

Tue, Oct 13 - Sat, Oct 17

2:10 am - 3:40 pmPER Perth-SEA Seattle/Tacoma Intl

52h 30m3 stops Kuala Lumpur Intl Bangkok Suvarnabhumi Frankfurt am Main

6:00 pm - 1:10 amSEA Seattle/Tacoma Intl-PER Perth

40h 10m3 stops Frankfurt am Main Phuket City Kuala Lumpur Intl

$11,431Multiple Airlines

Sun, Oct 11 - Fri, Oct 16

12:15 pm - 10:35 amPER Perth-SEA Seattle/Tacoma Intl

37h 20m2 stops Singapore Changi Tokyo Narita

11:20 am - 10:40 pmSEA Seattle/Tacoma Intl-PER Perth

44h 20m2 stops Vancouver Intl Hong Kong Intl

$11,754Multiple Airlines

Tue, Oct 13 - Sat, Oct 17

1:45 pm - 8:25 amPER Perth-SEA Seattle/Tacoma Intl

57h 40m1 stop Singapore Changi

9:55 am - 5:10 amSEA Seattle/Tacoma Intl-PER Perth

28h 15m1 stop Singapore Changi

$13,095Singapore Airlines

Tue, Oct 13 - Sat, Oct 17

12:10 am - 10:05 amPER Perth-SEA Seattle/Tacoma Intl

24h 55m1 stop Hong Kong Intl

5:15 pm - 5:35 pmSEA Seattle/Tacoma Intl-PER Perth

33h 20m1 stop Dubai Intl

$29,421Multiple Airlines

Sun, Oct 11 - Fri, Oct 16

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Cathay Pacific flights from Perth to Seattle

Our best Cathay Pacific deals on Perth to Seattle flight tickets

Cathay Pacific

Oct 20

PER12:10 amPerth

24h 55m

1 stop

SEA10:05 amSeattle/Tacoma Intl

Oct 25

SEA9:56 amSeattle/Tacoma Intl

29h 59m

2 stops

PER6:55 amPerth

$2,095

Cathay Pacific

Oct 20

PER12:10 amPerth

24h 55m

1 stop

SEA10:05 amSeattle/Tacoma Intl

Oct 25

SEA9:56 amSeattle/Tacoma Intl

29h 59m

2 stops

PER6:55 amPerth

$2,097

Cathay Pacific

Oct 20

PER12:10 amPerth

24h 55m

1 stop

SEA10:05 amSeattle/Tacoma Intl

Oct 25

SEA9:56 amSeattle/Tacoma Intl

29h 59m

2 stops

PER6:55 amPerth

$2,102

Singapore Airlines flights from Perth to Seattle

Our best Singapore Airlines deals on Perth to Seattle flight tickets

Singapore Airlines

Nov 21

PER1:50 pmPerth

33h 15m

1 stop

SEA7:05 amSeattle/Tacoma Intl

Nov 28

SEA8:40 amSeattle/Tacoma Intl

35h 55m

1 stop

PER12:35 pmPerth

$1,291

Singapore Airlines

Nov 20

PER5:05 pmPerth

30h 00m

1 stop

SEA7:05 amSeattle/Tacoma Intl

Nov 27

SEA8:40 amSeattle/Tacoma Intl

35h 55m

1 stop

PER12:35 pmPerth

$1,410

Singapore Airlines

Oct 21

PER1:45 pmPerth

33h 40m

1 stop

SEA8:25 amSeattle/Tacoma Intl

Oct 24

SEA9:55 amSeattle/Tacoma Intl

47h 10m

1 stop

PER12:05 amPerth

$1,430

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/23

8:35 am-6:45 pm

1 stop26h 10m

Seattle/Tacoma Intl

Mon 11/30

9:30 pm-7:20 am

1 stop41h 50m

$930

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 10/26

8:35 am-7:45 pm

1 stop26h 10m

Seattle/Tacoma Intl

Wed 12/2

9:30 pm-7:20 am

1 stop41h 50m

$946

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

$1,192

Quickest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 10/26

11:45 pm-8:47 pm

2 stops36h 02m

Seattle/Tacoma Intl

Wed 12/2

5:35 pm-4:50 pm

2 stops31h 15m

$1,194

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/2

11:45 pm-4:27 pm

2 stops32h 42m

Seattle/Tacoma Intl

Mon 11/9

11:59 pm-11:20 am

2 stops43h 21m

$1,200

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 12/23

11:30 pm-6:29 pm

2 stops34h 59m

Seattle/Tacoma Intl

Tue 1/26

9:01 am-12:30 pm

2 stops35h 29m

$1,205

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/2

5:50 pm-7:05 am

1 stop29h 15m

Seattle/Tacoma Intl

Sun 11/8

12:10 am-7:55 pm

2 stops51h 45m

$1,236

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 12/24

11:30 pm-6:29 pm

2 stops34h 59m

Seattle/Tacoma Intl

Mon 1/4

1:18 pm-2:10 pm

2 stops32h 52m

$1,240

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 12/24

11:30 pm-8:40 pm

2 stops37h 10m

Seattle/Tacoma Intl

Mon 1/25

1:18 pm-2:10 pm

2 stops32h 52m

$1,241

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 12/24

11:30 pm-8:40 pm

2 stops37h 10m

Seattle/Tacoma Intl

Wed 1/27

9:01 am-12:30 pm

2 stops35h 29m

$1,243

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	$623
Fastest flight time	26h 10m
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 $930.

The fastest flight from Perth to Seattle takes 26h 10m

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 10m, 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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Kent

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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.