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

Philippine Airlines is the most popular carrier 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.

$632 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.

5:15 pm - 9:05 amPER Perth-SEA Seattle/Tacoma Intl

31h 50m2 stops Denpasar Bali Ngurah Rai Incheon Intl

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

31h 45m1 stop Singapore Changi

$1,162Multiple Airlines

Thu, Feb 11 - Tue, Feb 23

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

$1,186Philippine Airlines

Thu, Dec 10 - Sun, Dec 20

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

30h 00m1 stop Singapore Changi

8:40 am - 12:05 amSEA Seattle/Tacoma Intl-PER Perth

23h 25m1 stop Singapore Changi

$1,196Singapore Airlines

Thu, Feb 11 - Tue, Feb 23

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

32h 20m2 stops Denpasar Bali Ngurah Rai Incheon Intl

8:40 am - 5:25 amSEA Seattle/Tacoma Intl-PER Perth

28h 45m2 stops Singapore Changi Bangkok Suvarnabhumi

$1,325Multiple Airlines

Thu, Feb 11 - Tue, Feb 23

8:25 pm - 5:30 pmPER Perth-SEA Seattle/Tacoma Intl

37h 05m2 stops Denpasar Bali Ngurah Rai Taipei City Taiwan Taoyuan Intl

12:10 am - 4:45 amSEA Seattle/Tacoma Intl-PER Perth

36h 35m2 stops Taipei City Taiwan Taoyuan Intl Denpasar Bali Ngurah Rai

$1,379Multiple Airlines

Wed, Jan 20 - Wed, Jan 27

10:30 pm - 11:44 pmPER Perth-SEA Seattle/Tacoma Intl

41h 14m2 stops Brisbane San Francisco

10:21 am - 2:10 pmSEA Seattle/Tacoma Intl-PER Perth

35h 49m2 stops San Francisco Adelaide

$1,428United Airlines

Wed, Dec 2 - Sat, Jan 9

11:45 pm - 4:12 pmPER Perth-SEA Seattle/Tacoma Intl

32h 27m2 stops Melbourne Los Angeles

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

32h 52m2 stops San Francisco Adelaide

$1,431United Airlines

Sun, Dec 6 - Sat, Jan 9

10:30 pm - 6:28 pmPER Perth-SEA Seattle/Tacoma Intl

35h 58m2 stops Brisbane San Francisco

10:21 am - 2:10 pmSEA Seattle/Tacoma Intl-PER Perth

35h 49m2 stops San Francisco Adelaide

$1,478United Airlines

Thu, Dec 3 - Sat, Jan 9

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

37h 02m2 stops Melbourne San Francisco

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

32h 52m2 stops San Francisco Adelaide

$1,481United Airlines

Fri, Dec 4 - Sat, Jan 9

6:50 pm - 8:47 pmPER Perth-SEA Seattle/Tacoma Intl

41h 57m2 stops Auckland Intl San Francisco

10:21 am - 2:10 pmSEA Seattle/Tacoma Intl-PER Perth

35h 49m2 stops San Francisco Adelaide

$1,493United Airlines

Sat, Dec 5 - Sat, Jan 9

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United Airlines flights from Perth to Seattle

Our best United Airlines deals on Perth to Seattle flight tickets

United Airlines

Dec 2

PER10:30 pmPerth

41h 14m

2 stops

SEA11:44 pmSeattle/Tacoma Intl

Jan 9

SEA10:21 amSeattle/Tacoma Intl

35h 49m

2 stops

PER2:10 pmPerth

$1,428

United Airlines

Dec 6

PER11:45 pmPerth

32h 27m

2 stops

SEA4:12 pmSeattle/Tacoma Intl

Jan 9

SEA1:18 pmSeattle/Tacoma Intl

32h 52m

2 stops

PER2:10 pmPerth

$1,431

United Airlines

Dec 3

PER10:30 pmPerth

35h 58m

2 stops

SEA6:28 pmSeattle/Tacoma Intl

Jan 9

SEA10:21 amSeattle/Tacoma Intl

35h 49m

2 stops

PER2:10 pmPerth

$1,478

Philippine Airlines flights from Perth to Seattle

Our best Philippine Airlines deals on Perth to Seattle flight tickets

Philippine Airlines

Dec 10

PER8:40 amPerth

26h 05m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Dec 20

SEA9:30 pmSeattle/Tacoma Intl

41h 50m

1 stop

PER7:20 amPerth

$1,186

Philippine Airlines

Dec 14

PER8:40 amPerth

26h 05m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Dec 21

SEA9:30 pmSeattle/Tacoma Intl

41h 50m

1 stop

PER7:20 amPerth

$1,643

Philippine Airlines

Dec 24

PER8:40 amPerth

26h 05m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Jan 27

SEA9:30 pmSeattle/Tacoma Intl

41h 50m

1 stop

PER7:20 amPerth

$1,770

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 2/11

5:15 pm-9:05 am

2 stops31h 50m

Seattle/Tacoma Intl

Tue 2/23

8:40 am-8:25 am

1 stop31h 45m

$1,162

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 12/10

8:40 am-6:45 pm

1 stop26h 05m

Seattle/Tacoma Intl

Sun 12/20

9:30 pm-7:20 am

1 stop41h 50m

$1,186

Quickest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 2/11

5:05 pm-7:05 am

1 stop30h 00m

Seattle/Tacoma Intl

Tue 2/23

8:40 am-12:05 am

1 stop23h 25m

$1,196

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 2/11

4:45 pm-9:05 am

2 stops32h 20m

Seattle/Tacoma Intl

Tue 2/23

8:40 am-5:25 am

2 stops28h 45m

$1,325

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 1/20

8:25 pm-5:30 pm

2 stops37h 05m

Seattle/Tacoma Intl

Wed 1/27

12:10 am-4:45 am

2 stops36h 35m

$1,379

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 12/2

10:30 pm-11:44 pm

2 stops41h 14m

Seattle/Tacoma Intl

Sat 1/9

10:21 am-2:10 pm

2 stops35h 49m

$1,428

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Sun 12/6

11:45 pm-4:12 pm

2 stops32h 27m

Seattle/Tacoma Intl

Sat 1/9

1:18 pm-2:10 pm

2 stops32h 52m

$1,431

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 12/3

10:30 pm-6:28 pm

2 stops35h 58m

Seattle/Tacoma Intl

Sat 1/9

10:21 am-2:10 pm

2 stops35h 49m

$1,478

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Fri 12/4

11:45 pm-8:47 pm

2 stops37h 02m

Seattle/Tacoma Intl

Sat 1/9

1:18 pm-2:10 pm

2 stops32h 52m

$1,481

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Sat 12/5

6:50 pm-8:47 pm

2 stops41h 57m

Seattle/Tacoma Intl

Sat 1/9

10:21 am-2:10 pm

2 stops35h 49m

$1,493

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	$632
Fastest flight time	26h 05m
Direct flights	None

The best one-way flight to Seattle from Perth in the past 72 hours is $632. The best round-trip flight deal from Perth to Seattle found on momondo in the last 72 hours is $1,162.

The fastest flight from Perth to Seattle takes 26h 05m

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 05m, 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.