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.

$787 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.

1:20 am - 7:05 amPER Perth-SEA Seattle/Tacoma Intl

21h 45m1 stop Singapore Changi

9:40 am - 5:25 amSEA Seattle/Tacoma Intl-PER Perth

28h 45m1 stop Singapore Changi

$1,189Singapore Airlines

Thu, Mar 11 - Sat, Mar 20

5:30 pm - 9:05 amPER Perth-SEA Seattle/Tacoma Intl

31h 35m2 stops Ho Chi Minh City Incheon Intl

9:40 am - 8:25 amSEA Seattle/Tacoma Intl-PER Perth

31h 45m1 stop Singapore Changi

$1,251Multiple Airlines

Fri, Mar 12 - Sat, Mar 20

11:35 am - 11:40 pmPER Perth-SEA Seattle/Tacoma Intl

28h 05m2 stops Sydney Kingsford Smith Las Vegas Harry Reid Intl

5:30 pm - 2:10 pmSEA Seattle/Tacoma Intl-PER Perth

29h 40m2 stops Los Angeles Brisbane

$1,432Qantas Airways

Fri, Mar 12 - Sat, Mar 20

8:40 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 05m1 stop Manila Ninoy Aquino Intl

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

41h 50m1 stop Manila Ninoy Aquino Intl

$1,496Philippine Airlines

Wed, Dec 23 - Wed, Dec 30

2:00 pm - 11:46 pmPER Perth-SEA Seattle/Tacoma Intl

25h 46m2 stops Melbourne Los Angeles

3:30 pm - 1:25 pmSEA Seattle/Tacoma Intl-PER Perth

29h 55m2 stops Los Angeles Brisbane

$1,518Qantas Airways

Thu, Dec 24 - Thu, Dec 31

8:40 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 05m1 stop Manila Ninoy Aquino Intl

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

41h 50m1 stop Manila Ninoy Aquino Intl

$1,544Philippine Airlines

Mon, Dec 21 - Mon, Dec 28

8:40 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 05m1 stop Manila Ninoy Aquino Intl

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

41h 50m1 stop Manila Ninoy Aquino Intl

$1,563Philippine Airlines

Thu, Dec 24 - Thu, Dec 31

2:00 pm - 11:46 pmPER Perth-SEA Seattle/Tacoma Intl

25h 46m2 stops Melbourne Los Angeles

4:21 pm - 2:30 pmSEA Seattle/Tacoma Intl-PER Perth

30h 09m3 stops Portland Los Angeles Melbourne

$1,591Multiple Airlines

Thu, Dec 24 - Thu, Dec 31

8:40 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 05m1 stop Manila Ninoy Aquino Intl

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

41h 50m1 stop Manila Ninoy Aquino Intl

$1,647Philippine Airlines

Mon, Dec 7 - Mon, Dec 14

8:40 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 05m1 stop Manila Ninoy Aquino Intl

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

41h 50m1 stop Manila Ninoy Aquino Intl

$1,705Philippine Airlines

Thu, Dec 10 - Wed, Jan 13

Cheap last minute flights

Enter your travel dates to find the best prices.

8:40 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 05m1 stop Manila Ninoy Aquino Intl

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

41h 50m1 stop Manila Ninoy Aquino Intl

$1,174Philippine Airlines

Thu, Nov 12 - Fri, Nov 27

5:30 pm - 9:05 amPER Perth-SEA Seattle/Tacoma Intl

31h 35m2 stops Ho Chi Minh City Incheon Intl

8:40 am - 8:25 amSEA Seattle/Tacoma Intl-PER Perth

31h 45m1 stop Singapore Changi

$1,312Multiple Airlines

Thu, Nov 12 - Fri, Nov 27

8:40 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 05m1 stop Manila Ninoy Aquino Intl

8:40 am - 9:45 pmSEA Seattle/Tacoma Intl-PER Perth

45h 05m3 stops Singapore Changi Kuala Lumpur Intl Denpasar Bali Ngurah Rai

$1,421Multiple Airlines

Thu, Nov 12 - Fri, Nov 27

4:45 pm - 9:05 amPER Perth-SEA Seattle/Tacoma Intl

32h 20m2 stops Denpasar Bali Ngurah Rai Incheon Intl

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

35h 30m3 stops Incheon Intl Da Nang Kuala Lumpur Intl

$1,555Multiple Airlines

Thu, Nov 12 - Thu, Nov 26

11:30 am - 7:05 amPER Perth-SEA Seattle/Tacoma Intl

35h 35m3 stops Denpasar Bali Ngurah Rai Jakarta Soekarno-Hatta Intl Singapore Changi

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

35h 30m3 stops Incheon Intl Manila Ninoy Aquino Intl Kuala Lumpur Intl

$1,608Multiple Airlines

Thu, Nov 12 - Thu, Nov 26

8:40 am - 6:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 05m1 stop Manila Ninoy Aquino Intl

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

41h 50m1 stop Manila Ninoy Aquino Intl

$4,943Philippine Airlines

Thu, Nov 12 - Wed, Dec 2

10:30 am - 9:55 amPER Perth-SEA Seattle/Tacoma Intl

39h 25m2 stops Singapore Changi Tokyo Narita

12:00 pm - 10:00 amSEA Seattle/Tacoma Intl-PER Perth

30h 00m2 stops Tokyo Narita Melbourne

$5,554Multiple Airlines

Thu, Nov 12 - Wed, Dec 2

7:25 am - 5:30 pmPER Perth-SEA Seattle/Tacoma Intl

26h 05m2 stops Denpasar Bali Ngurah Rai Taipei City Taiwan Taoyuan Intl

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

41h 50m1 stop Manila Ninoy Aquino Intl

$6,953Multiple Airlines

Thu, Nov 12 - Wed, Dec 2

10:45 pm - 9:50 pmPER Perth-SEA Seattle/Tacoma Intl

39h 05m3 stops Melbourne Sydney Kingsford Smith Los Angeles

7:30 pm - 3:55 pmSEA Seattle/Tacoma Intl-PER Perth

28h 25m2 stops San Francisco Brisbane

$13,315Virgin Australia

Thu, Nov 12 - Wed, Dec 2

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Philippine Airlines flights from Perth to Seattle

Our best Philippine Airlines deals on Perth to Seattle flight tickets

Philippine Airlines

Nov 12

PER8:40 amPerth

26h 05m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Nov 27

SEA9:30 pmSeattle/Tacoma Intl

41h 50m

1 stop

PER7:20 amPerth

$1,174

Philippine Airlines

Dec 23

PER8:40 amPerth

26h 05m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Dec 30

SEA9:30 pmSeattle/Tacoma Intl

41h 50m

1 stop

PER7:20 amPerth

$1,496

Philippine Airlines

Dec 21

PER8:40 amPerth

26h 05m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Dec 28

SEA9:30 pmSeattle/Tacoma Intl

41h 50m

1 stop

PER7:20 amPerth

$1,544

Qantas Airways flights from Perth to Seattle

Our best Qantas Airways deals on Perth to Seattle flight tickets

Qantas Airways

Mar 12

PER11:35 amPerth

28h 05m

2 stops

SEA11:40 pmSeattle/Tacoma Intl

Mar 20

SEA5:30 pmSeattle/Tacoma Intl

29h 40m

2 stops

PER2:10 pmPerth

$1,432

Qantas Airways

Dec 24

PER2:00 pmPerth

25h 46m

2 stops

SEA11:46 pmSeattle/Tacoma Intl

Dec 31

SEA3:30 pmSeattle/Tacoma Intl

29h 55m

2 stops

PER1:25 pmPerth

$1,518

Qantas Airways

Dec 25

PER11:35 amPerth

23h 08m

2 stops

SEA6:43 pmSeattle/Tacoma Intl

Jan 26

SEA4:49 pmSeattle/Tacoma Intl

33h 06m

2 stops

PER5:55 pmPerth

$2,132

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 3/11

1:20 am-7:05 am

1 stop21h 45m

Seattle/Tacoma Intl

Sat 3/20

9:40 am-5:25 am

1 stop28h 45m

$1,189

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Fri 3/12

5:30 pm-9:05 am

2 stops31h 35m

Seattle/Tacoma Intl

Sat 3/20

9:40 am-8:25 am

1 stop31h 45m

$1,251

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Fri 3/12

11:35 am-11:40 pm

2 stops28h 05m

Seattle/Tacoma Intl

Sat 3/20

5:30 pm-2:10 pm

2 stops29h 40m

$1,432

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 12/23

8:40 am-6:45 pm

1 stop26h 05m

Seattle/Tacoma Intl

Wed 12/30

9:30 pm-7:20 am

1 stop41h 50m

$1,496

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 12/24

2:00 pm-11:46 pm

2 stops25h 46m

Seattle/Tacoma Intl

Thu 12/31

3:30 pm-1:25 pm

2 stops29h 55m

$1,518

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 12/21

8:40 am-6:45 pm

1 stop26h 05m

Seattle/Tacoma Intl

Mon 12/28

9:30 pm-7:20 am

1 stop41h 50m

$1,544

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 12/24

8:40 am-6:45 pm

1 stop26h 05m

Seattle/Tacoma Intl

Thu 12/31

9:30 pm-7:20 am

1 stop41h 50m

$1,563

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 12/24

2:00 pm-11:46 pm

2 stops25h 46m

Seattle/Tacoma Intl

Thu 12/31

4:21 pm-2:30 pm

3 stops30h 09m

$1,591

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 12/7

8:40 am-6:45 pm

1 stop26h 05m

Seattle/Tacoma Intl

Mon 12/14

9:30 pm-7:20 am

1 stop41h 50m

$1,647

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 12/10

8:40 am-6:45 pm

1 stop26h 05m

Seattle/Tacoma Intl

Wed 1/13

9:30 pm-7:20 am

1 stop41h 50m

$1,705

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	$787
Fastest flight time	25h 27m
Direct flights	None

The best one-way flight to Seattle from Perth in the past 72 hours is $787. The best round-trip flight deal from Perth to Seattle found on momondo in the last 72 hours is $1,189.

The fastest flight from Perth to Seattle takes 25h 27m

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 25h 27m, 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.