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.

$627 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.

9:30 am - 8:45 amPER Perth-SEA Seattle/Tacoma Intl

38h 15m1 stop Singapore Changi

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

37h 25m2 stops Incheon Intl Ho Chi Minh City

$1,175Multiple Airlines

Thu, Oct 22 - Fri, Nov 6

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

26h 30m1 stop Manila Ninoy Aquino Intl

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

41h 50m1 stop Manila Ninoy Aquino Intl

$1,196Philippine Airlines

Thu, Oct 22 - Fri, Nov 6

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

26h 30m1 stop Manila Ninoy Aquino Intl

10:30 pm - 7:20 amSEA Seattle/Tacoma Intl-PER Perth

41h 50m1 stop Manila Ninoy Aquino Intl

$1,205Philippine Airlines

Thu, Oct 15 - Fri, Oct 30

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

26h 30m1 stop Manila Ninoy Aquino Intl

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

41h 50m1 stop Manila Ninoy Aquino Intl

$1,212Philippine Airlines

Thu, Oct 22 - Fri, Nov 6

10:35 am - 10:40 amPER Perth-SEA Seattle/Tacoma Intl

39h 05m2 stops Ho Chi Minh City Incheon Intl

12:50 pm - 8:55 amSEA Seattle/Tacoma Intl-PER Perth

29h 05m2 stops Incheon Intl Ho Chi Minh City

$1,223Multiple Airlines

Sat, Oct 3 - Tue, Oct 13

10:30 am - 7:50 pmPER Perth-SEA Seattle/Tacoma Intl

24h 20m2 stops Sydney Kingsford Smith Los Angeles Los Angeles

5:04 pm - 5:00 pmSEA Seattle/Tacoma Intl-PER Perth

32h 56m2 stops Los Angeles Los Angeles Sydney Kingsford Smith

$1,224Qantas Airways

Wed, Oct 7 - Wed, Oct 14

6:25 pm - 8:45 amPER Perth-SEA Seattle/Tacoma Intl

29h 20m1 stop Singapore Changi

12:50 pm - 8:55 amSEA Seattle/Tacoma Intl-PER Perth

29h 05m2 stops Incheon Intl Ho Chi Minh City

$1,229Multiple Airlines

Mon, Oct 19 - Wed, Oct 21

9:30 am - 8:45 amPER Perth-SEA Seattle/Tacoma Intl

38h 15m1 stop Singapore Changi

4:40 pm - 7:55 pmSEA Seattle/Tacoma Intl-PER Perth

36h 15m2 stops Tokyo Haneda Kuala Lumpur Intl

$1,253Multiple Airlines

Thu, Oct 15 - Fri, Oct 30

10:30 am - 7:50 pmPER Perth-SEA Seattle/Tacoma Intl

24h 20m2 stops Sydney Kingsford Smith Los Angeles Los Angeles

5:04 pm - 12:05 pmSEA Seattle/Tacoma Intl-PER Perth

28h 01m2 stops Los Angeles Los Angeles Brisbane

$1,257Qantas Airways

Tue, Oct 6 - Tue, Oct 13

10:30 am - 10:25 pmPER Perth-SEA Seattle/Tacoma Intl

26h 55m3 stops Sydney Kingsford Smith Los Angeles Los Angeles Portland

1:37 pm - 11:15 amSEA Seattle/Tacoma Intl-PER Perth

30h 38m2 stops Los Angeles Los Angeles Melbourne

$1,277Multiple Airlines

Wed, Oct 7 - Wed, Oct 14

Cheap last minute flights

Enter your travel dates to find the best prices.

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

37h 20m2 stops Singapore Changi Tokyo Haneda

1:15 pm - 10:40 pmSEA Seattle/Tacoma Intl-PER Perth

42h 25m2 stops Tokyo Narita Hong Kong Intl

$5,351Japan Airlines

Sun, Sep 13 - Sun, Sep 20

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

37h 20m2 stops Singapore Changi Tokyo Narita

1:15 pm - 12:40 amSEA Seattle/Tacoma Intl-PER Perth

44h 25m2 stops Tokyo Narita Singapore Changi

$5,976Japan Airlines

Tue, Sep 15 - Mon, Sep 21

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

37h 20m2 stops Singapore Changi Tokyo Narita

1:15 pm - 6:50 amSEA Seattle/Tacoma Intl-PER Perth

26h 35m2 stops Tokyo Narita Hong Kong Intl

$6,683Japan Airlines

Tue, Sep 15 - Wed, Oct 14

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

37h 20m2 stops Singapore Changi Tokyo Narita

1:15 pm - 6:50 amSEA Seattle/Tacoma Intl-PER Perth

26h 35m2 stops Tokyo Narita Hong Kong Intl

$6,700Japan Airlines

Tue, Sep 15 - Wed, Oct 14

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

37h 20m2 stops Singapore Changi Tokyo Narita

1:15 pm - 6:50 amSEA Seattle/Tacoma Intl-PER Perth

26h 35m2 stops Tokyo Narita Hong Kong Intl

$6,709Japan Airlines

Tue, Sep 15 - Wed, Oct 14

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

37h 20m2 stops Singapore Changi Tokyo Narita

1:15 pm - 6:50 amSEA Seattle/Tacoma Intl-PER Perth

26h 35m2 stops Tokyo Narita Hong Kong Intl

$6,715Japan Airlines

Tue, Sep 15 - Wed, Oct 14

10:55 pm - 8:05 pmPER Perth-SEA Seattle/Tacoma Intl

36h 10m1 stop Manila Ninoy Aquino Intl

8:52 pm - 7:15 amSEA Seattle/Tacoma Intl-PER Perth

43h 23m2 stops Honolulu Manila Ninoy Aquino Intl

$6,750Multiple Airlines

Tue, Sep 15 - Mon, Sep 21

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

37h 20m2 stops Singapore Changi Tokyo Narita

1:15 pm - 12:40 amSEA Seattle/Tacoma Intl-PER Perth

44h 25m2 stops Tokyo Narita Singapore Changi

$7,079Japan Airlines

Mon, Sep 14 - Mon, Sep 21

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

37h 20m2 stops Singapore Changi Tokyo Narita

1:15 pm - 12:40 amSEA Seattle/Tacoma Intl-PER Perth

44h 25m2 stops Tokyo Narita Singapore Changi

$7,086Japan Airlines

Tue, Sep 15 - Tue, Sep 22

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

37h 20m2 stops Singapore Changi Tokyo Narita

1:15 pm - 10:40 pmSEA Seattle/Tacoma Intl-PER Perth

42h 25m2 stops Tokyo Narita Hong Kong Intl

$7,095Japan Airlines

Mon, Sep 14 - Sun, Sep 20

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Qantas Airways flights from Perth to Seattle

Our best Qantas Airways deals on Perth to Seattle flight tickets

Qantas Airways

Oct 7

PER10:30 amPerth

24h 20m

2 stops

SEA7:50 pmSeattle/Tacoma Intl

Oct 14

SEA5:04 pmSeattle/Tacoma Intl

32h 56m

2 stops

PER5:00 pmPerth

$1,224

Qantas Airways

Oct 6

PER10:30 amPerth

24h 20m

2 stops

SEA7:50 pmSeattle/Tacoma Intl

Oct 13

SEA5:04 pmSeattle/Tacoma Intl

28h 01m

2 stops

PER12:05 pmPerth

$1,257

Qantas Airways

Oct 15

PER10:30 amPerth

24h 20m

2 stops

SEA7:50 pmSeattle/Tacoma Intl

Oct 30

SEA4:37 pmSeattle/Tacoma Intl

27h 33m

2 stops

PER11:10 amPerth

$1,323

Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets

Japan Airlines

Sep 13

PER12:15 pmPerth

37h 20m

2 stops

SEA10:35 amSeattle/Tacoma Intl

Sep 20

SEA1:15 pmSeattle/Tacoma Intl

42h 25m

2 stops

PER10:40 pmPerth

$5,351

Japan Airlines

Sep 15

PER12:15 pmPerth

37h 20m

2 stops

SEA10:35 amSeattle/Tacoma Intl

Sep 21

SEA1:15 pmSeattle/Tacoma Intl

44h 25m

2 stops

PER12:40 amPerth

$5,976

Japan Airlines

Sep 25

PER11:45 pmPerth

25h 50m

2 stops

SEA10:35 amSeattle/Tacoma Intl

Oct 23

SEA1:15 pmSeattle/Tacoma Intl

42h 40m

2 stops

PER10:55 pmPerth

$6,319

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/22

9:30 am-8:45 am

1 stop38h 15m

Seattle/Tacoma Intl

Fri 11/6

11:00 am-4:25 pm

2 stops37h 25m

$1,175

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/22

8:35 am-8:05 pm

1 stop26h 30m

Seattle/Tacoma Intl

Fri 11/6

9:30 pm-7:20 am

1 stop41h 50m

$1,196

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/15

8:35 am-8:05 pm

1 stop26h 30m

Seattle/Tacoma Intl

Fri 10/30

10:30 pm-7:20 am

1 stop41h 50m

$1,205

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/22

8:35 am-8:05 pm

1 stop26h 30m

Seattle/Tacoma Intl

Fri 11/6

9:30 pm-7:20 am

1 stop41h 50m

$1,212

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Sat 10/3

10:35 am-10:40 am

2 stops39h 05m

Seattle/Tacoma Intl

Tue 10/13

12:50 pm-8:55 am

2 stops29h 05m

$1,223

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 10/7

10:30 am-7:50 pm

2 stops24h 20m

Seattle/Tacoma Intl

Wed 10/14

5:04 pm-5:00 pm

2 stops32h 56m

$1,224

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 10/19

6:25 pm-8:45 am

1 stop29h 20m

Seattle/Tacoma Intl

Wed 10/21

12:50 pm-8:55 am

2 stops29h 05m

$1,229

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/15

9:30 am-8:45 am

1 stop38h 15m

Seattle/Tacoma Intl

Fri 10/30

4:40 pm-7:55 pm

2 stops36h 15m

$1,253

Quickest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 10/6

10:30 am-7:50 pm

2 stops24h 20m

Seattle/Tacoma Intl

Tue 10/13

5:04 pm-12:05 pm

2 stops28h 01m

$1,257

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 10/7

10:30 am-10:25 pm

3 stops26h 55m

Seattle/Tacoma Intl

Wed 10/14

1:37 pm-11:15 am

2 stops30h 38m

$1,277

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 typical for flights on this route.

Typical prices usually range from $1,103 to $1,624.
The lowest price recently found on this route was $1,205.

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 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	$627
Fastest flight time	38h 15m
Direct flights	None

The best one-way flight to Seattle from Perth in the past 72 hours is $627. The best round-trip flight deal from Perth to Seattle found on momondo in the last 72 hours is $1,175.

The fastest flight from Perth to Seattle takes 38h 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 38h 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.

Tacoma

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Ocean Shores

Renton

Kent

Olympia

Redmond

Lakewood

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Marysville

Kirkland

Lacey

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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.