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.

$673 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.

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

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

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

4:00 pm - 10:40 amPER Perth-SEA Seattle/Tacoma Intl

33h 40m2 stops Phuket City Incheon Intl

1:15 am - 3:45 amSEA Seattle/Tacoma Intl-PER Perth

35h 30m3 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City Kuala Lumpur Intl

$1,277Multiple Airlines

Fri, Oct 9 - Thu, Oct 22

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

24h 20m2 stops Sydney Kingsford Smith Los Angeles

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

30h 38m2 stops Los Angeles Melbourne

$1,277Multiple Airlines

Wed, Oct 7 - Wed, Oct 14

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

26h 55m3 stops Sydney Kingsford Smith Los Angeles Portland

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

30h 38m2 stops Los Angeles Melbourne

$1,277Multiple Airlines

Wed, Oct 7 - Wed, Oct 14

6:25 pm - 10:40 amPER Perth-SEA Seattle/Tacoma Intl

55h 15m3 stops Singapore Changi Taipei City Taiwan Taoyuan Intl Incheon Intl

12:10 am - 4:20 amSEA Seattle/Tacoma Intl-PER Perth

37h 10m3 stops Incheon Intl Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,300Multiple Airlines

Wed, Oct 7 - Tue, Oct 13

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

29h 20m1 stop Singapore Changi

12:30 pm - 4:25 pmSEA Seattle/Tacoma Intl-PER Perth

35h 55m2 stops Incheon Intl Ho Chi Minh City

$1,322Multiple Airlines

Thu, Oct 22 - Fri, Nov 6

10:35 am - 4:07 pmPER Perth-SEA Seattle/Tacoma Intl

44h 32m2 stops Brisbane Los Angeles

5:41 pm - 2:10 pmSEA Seattle/Tacoma Intl-PER Perth

53h 29m2 stops Dallas/Fort Worth Brisbane

$1,332American Airlines

Wed, Oct 21 - Sun, Oct 25

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Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets

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

$6,305

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

Japan Airlines

Sep 25

PER11:45 pmPerth

25h 50m

2 stops

SEA10:35 amSeattle/Tacoma Intl

Oct 23

SEA1:15 pmSeattle/Tacoma Intl

43h 40m

2 stops

PER11:55 pmPerth

$6,436

Qatar Airways flights from Perth to Seattle

Our best Qatar Airways deals on Perth to Seattle flight tickets

Qatar Airways

Oct 7

PER10:45 pmPerth

28h 40m

1 stop

SEA12:25 pmSeattle/Tacoma Intl

Oct 14

SEA4:25 pmSeattle/Tacoma Intl

35h 10m

1 stop

PER6:35 pmPerth

$2,135

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

$2,412

Qatar Airways

Sep 27

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

$2,511

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 10/22

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

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

Fri 10/9

4:00 pm-10:40 am

2 stops33h 40m

Seattle/Tacoma Intl

Thu 10/22

1:15 am-3:45 am

3 stops35h 30m

$1,277

Quickest round-trip

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

1:37 pm-11:15 am

2 stops30h 38m

$1,277

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

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 10/7

6:25 pm-10:40 am

3 stops55h 15m

Seattle/Tacoma Intl

Tue 10/13

12:10 am-4:20 am

3 stops37h 10m

$1,300

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/22

6:25 pm-8:45 am

1 stop29h 20m

Seattle/Tacoma Intl

Fri 11/6

12:30 pm-4:25 pm

2 stops35h 55m

$1,322

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 10/21

10:35 am-4:07 pm

2 stops44h 32m

Seattle/Tacoma Intl

Sun 10/25

5:41 pm-2:10 pm

2 stops53h 29m

$1,332

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 $1,555.
The lowest price recently found on this route was $1,175.

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	$673
Fastest flight time	27h 10m
Direct flights	None

The best one-way flight to Seattle from Perth in the past 72 hours is $673. 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 27h 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 27h 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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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.