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

Qatar Airways 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.

$706 Cheap Flights from Perth to Seattle in 2026

Q: What is the typical price of a round-trip flight between Perth and Seattle?

Prices are currently low for flights on this route. Typical prices usually range from $1,317 to $1,497. The lowest price recently found on this route was $1,199.

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.

5:35 am - 3:45 pm

PER

SEA

49h 10m

3 stops

12:10 am - 4:20 am

SEA

PER

61h 10m

3 stops

$1,199Multiple Airlines

Sat, Aug 29 - Fri, Sep 4

10:35 am - 10:40 am

PER

SEA

39h 05m

2 stops

10:15 am - 4:20 am

SEA

PER

27h 05m

1 stop

$1,273Multiple Airlines

Sat, Sep 5 - Fri, Sep 18

6:25 pm - 7:50 pm

PER

SEA

40h 25m

2 stops

1:30 am - 4:20 am

SEA

PER

35h 50m

2 stops

$1,300Multiple Airlines

Mon, Aug 17 - Mon, Sep 28

5:35 am - 4:35 pm

PER

SEA

50h 00m

2 stops

1:15 am - 4:20 am

SEA

PER

60h 05m

2 stops

$1,301Multiple Airlines

Sat, Aug 29 - Fri, Sep 4

5:35 am - 11:00 am

PER

SEA

44h 25m

3 stops

1:20 pm - 4:20 am

SEA

PER

48h 00m

3 stops

$1,324Multiple Airlines

Sun, Aug 23 - Thu, Aug 27

5:35 am - 7:50 pm

PER

SEA

29h 15m

2 stops

2:10 am - 4:20 am

SEA

PER

35h 10m

2 stops

$1,347Multiple Airlines

Sun, Aug 23 - Sat, Aug 29

12:25 pm - 6:11 am

PER

SEA

32h 46m

2 stops

7:20 am - 10:30 am

SEA

PER

36h 10m

2 stops

$1,349Multiple Airlines

Sun, Aug 23 - Thu, Aug 27

7:50 pm - 6:00 pm

PER

SEA

37h 10m

2 stops

5:36 pm - 10:15 pm

SEA

PER

37h 39m

2 stops

$1,387Multiple Airlines

Sun, Aug 9 - Tue, Aug 18

10:55 pm - 9:58 pm

PER

SEA

38h 03m

2 stops

6:10 pm - 5:00 pm

SEA

PER

31h 50m

2 stops

$1,395Qantas Airways

Wed, Aug 12 - Wed, Aug 19

10:30 am - 8:56 pm

PER

SEA

25h 26m

2 stops

6:10 pm - 3:25 pm

SEA

PER

30h 15m

2 stops

$1,398Qantas Airways

Tue, Aug 11 - Tue, Aug 18

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United Airlines flights from Perth to Seattle

Our best United Airlines deals on Perth to Seattle flight tickets

United Airlines

Nov 10

PER10:30 pmPerth

40h 46m

2 stops

SEA11:16 pmSeattle/Tacoma Intl

Nov 14

SEA8:50 amSeattle/Tacoma Intl

40h 00m

2 stops

PER4:50 pmPerth

$1,490

United Airlines

Sep 5

PER5:15 pmPerth

36h 09m

2 stops

SEA2:24 pmSeattle/Tacoma Intl

Sep 18

SEA6:52 pmSeattle/Tacoma Intl

26h 38m

2 stops

PER12:30 pmPerth

$1,541

Singapore Airlines flights from Perth to Seattle

Our best Singapore Airlines deals on Perth to Seattle flight tickets

Singapore Airlines

Nov 9

PER1:15 amPerth

21h 55m

1 stop

SEA7:10 amSeattle/Tacoma Intl

Nov 14

SEA8:45 amSeattle/Tacoma Intl

28h 40m

1 stop

PER5:25 amPerth

$1,736

Singapore Airlines

Nov 9

PER1:15 amPerth

21h 55m

1 stop

SEA7:10 amSeattle/Tacoma Intl

Nov 14

SEA8:45 amSeattle/Tacoma Intl

28h 40m

1 stop

PER5:25 amPerth

$1,741

Singapore Airlines

Aug 22

PER1:10 amPerth

22h 35m

1 stop

SEA8:45 amSeattle/Tacoma Intl

Aug 30

SEA10:15 amSeattle/Tacoma Intl

22h 40m

1 stop

PER11:55 pmPerth

$1,907

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 8/29

5:35 am-3:45 pm

3 stops49h 10m

Seattle/Tacoma Intl

Fri 9/4

12:10 am-4:20 am

3 stops61h 10m

$1,199

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 9/5

10:35 am-10:40 am

2 stops39h 05m

Seattle/Tacoma Intl

Fri 9/18

10:15 am-4:20 am

1 stop27h 05m

$1,273

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 8/17

6:25 pm-7:50 pm

2 stops40h 25m

Seattle/Tacoma Intl

Mon 9/28

1:30 am-4:20 am

2 stops35h 50m

$1,300

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 8/29

5:35 am-4:35 pm

2 stops50h 00m

Seattle/Tacoma Intl

Fri 9/4

1:15 am-4:20 am

2 stops60h 05m

$1,301

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 8/23

5:35 am-11:00 am

3 stops44h 25m

Seattle/Tacoma Intl

Thu 8/27

1:20 pm-4:20 am

3 stops48h 00m

$1,324

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 8/23

5:35 am-7:50 pm

2 stops29h 15m

Seattle/Tacoma Intl

Sat 8/29

2:10 am-4:20 am

2 stops35h 10m

$1,347

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 8/23

12:25 pm-6:11 am

2 stops32h 46m

Seattle/Tacoma Intl

Thu 8/27

7:20 am-10:30 am

2 stops36h 10m

$1,349

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 8/9

7:50 pm-6:00 pm

2 stops37h 10m

Seattle/Tacoma Intl

Tue 8/18

5:36 pm-10:15 pm

2 stops37h 39m

$1,387

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 8/12

10:55 pm-9:58 pm

2 stops38h 03m

Seattle/Tacoma Intl

Wed 8/19

6:10 pm-5:00 pm

2 stops31h 50m

$1,395

Quickest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 8/11

10:30 am-8:56 pm

2 stops25h 26m

Seattle/Tacoma Intl

Tue 8/18

6:10 pm-3:25 pm

2 stops30h 15m

$1,398

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 typical price of a round-trip flight between Perth and Seattle?

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 $939. If you don’t want to visit Seattle in February, then you should wait until October to fly from Perth, when ticket prices are also cheap, with an average price of $1,152.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 33% on your flight if you consider stops on a Perth to Seattle flight.

How have Perth to Seattle flight prices changed over time?

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

Fastest flight time	48h 40m
Direct flights	None

The fastest flight from Perth to Seattle takes 48h 40m

There are no direct flights from Perth to Seattle. There are no popular flight routes from Perth to Seattle.

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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 48h 40m, 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

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Lakewood

Puyallup

Tukwila

Fife

Federal Way

Cle Elum

Marysville

Centralia

Kirkland

Shoreline

Lacey

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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.