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.

$606 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 $1,683 to $1,330. The lowest price recently found on this route was $1,243.

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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.

8:30 am - 6:35 pm

PER

SEA

26h 05m

1 stop

11:55 pm - 7:15 am

SEA

PER

39h 20m

1 stop

$1,243Philippine Airlines

Thu, Nov 5 - Mon, Nov 9

8:30 am - 6:35 pm

PER

SEA

26h 05m

1 stop

11:55 pm - 7:15 am

SEA

PER

39h 20m

1 stop

$1,300Philippine Airlines

Thu, Nov 5 - Mon, Nov 9

8:30 am - 6:35 pm

PER

SEA

26h 05m

1 stop

11:55 pm - 7:15 am

SEA

PER

39h 20m

1 stop

$1,301Philippine Airlines

Thu, Nov 5 - Mon, Nov 9

8:30 am - 6:35 pm

PER

SEA

26h 05m

1 stop

11:55 pm - 7:15 am

SEA

PER

39h 20m

1 stop

$1,304Philippine Airlines

Thu, Nov 5 - Mon, Nov 9

10:30 am - 7:39 pm

PER

SEA

24h 09m

2 stops

5:44 pm - 5:00 pm

SEA

PER

32h 16m

2 stops

$1,416Qantas Airways

Thu, Sep 3 - Tue, Sep 15

5:00 am - 6:03 pm

PER

SEA

29h 03m

2 stops

12:57 pm - 12:50 pm

SEA

PER

31h 53m

2 stops

$1,496American Airlines

Thu, Nov 5 - Mon, Nov 9

5:00 am - 6:03 pm

PER

SEA

29h 03m

2 stops

12:57 pm - 12:50 pm

SEA

PER

31h 53m

2 stops

$1,499American Airlines

Thu, Nov 5 - Mon, Nov 9

5:00 am - 6:03 pm

PER

SEA

29h 03m

2 stops

12:57 pm - 12:50 pm

SEA

PER

31h 53m

2 stops

$1,500American Airlines

Thu, Nov 5 - Mon, Nov 9

8:35 am - 8:05 pm

PER

SEA

26h 30m

1 stop

4:59 pm - 3:15 pm

SEA

PER

31h 16m

2 stops

$1,527Multiple Airlines

Thu, Sep 3 - Tue, Sep 15

10:30 am - 7:39 pm

PER

SEA

24h 09m

2 stops

5:44 pm - 5:00 pm

SEA

PER

32h 16m

2 stops

$1,539Qantas Airways

Thu, Sep 3 - Tue, Sep 15

Qantas Airways flights from Perth to Seattle

Our best Qantas Airways deals on Perth to Seattle flight tickets

Qantas Airways

Sep 3

PER10:30 amPerth

24h 09m

2 stops

SEA7:39 pmSeattle/Tacoma Intl

Sep 15

SEA5:44 pmSeattle/Tacoma Intl

32h 16m

2 stops

PER5:00 pmPerth

$1,416

Qantas Airways

Sep 3

PER10:30 amPerth

24h 09m

2 stops

SEA7:39 pmSeattle/Tacoma Intl

Sep 15

SEA5:44 pmSeattle/Tacoma Intl

32h 16m

2 stops

PER5:00 pmPerth

$1,539

Qantas Airways

Jun 30

PER10:35 amPerth

26h 23m

2 stops

SEA9:58 pmSeattle/Tacoma Intl

Jul 7

SEA6:10 pmSeattle/Tacoma Intl

30h 15m

2 stops

PER3:25 pmPerth

$1,558

Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets

Japan Airlines

Sep 2

PER12:10 amPerth

25h 25m

2 stops

SEA10:35 amSeattle/Tacoma Intl

Sep 3

SEA1:15 pmSeattle/Tacoma Intl

26h 35m

2 stops

PER6:50 amPerth

$1,828

Japan Airlines

Sep 2

PER12:10 amPerth

25h 25m

2 stops

SEA10:35 amSeattle/Tacoma Intl

Sep 3

SEA1:15 pmSeattle/Tacoma Intl

26h 35m

2 stops

PER6:50 amPerth

$1,835

Japan Airlines

Jun 27

PER12:10 amPerth

25h 40m

2 stops

SEA10:50 amSeattle/Tacoma Intl

Jul 5

SEA11:19 amSeattle/Tacoma Intl

28h 31m

3 stops

PER6:50 amPerth

$2,063

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 11/5

8:30 am-6:35 pm

1 stop26h 05m

Seattle/Tacoma Intl

Mon 11/9

11:55 pm-7:15 am

1 stop39h 20m

$1,243

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 11/5

8:30 am-6:35 pm

1 stop26h 05m

Seattle/Tacoma Intl

Mon 11/9

11:55 pm-7:15 am

1 stop39h 20m

$1,300

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 11/5

8:30 am-6:35 pm

1 stop26h 05m

Seattle/Tacoma Intl

Mon 11/9

11:55 pm-7:15 am

1 stop39h 20m

$1,301

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 11/5

8:30 am-6:35 pm

1 stop26h 05m

Seattle/Tacoma Intl

Mon 11/9

11:55 pm-7:15 am

1 stop39h 20m

$1,304

Quickest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 9/3

10:30 am-7:39 pm

2 stops24h 09m

Seattle/Tacoma Intl

Tue 9/15

5:44 pm-5:00 pm

2 stops32h 16m

$1,416

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 11/5

5:00 am-6:03 pm

2 stops29h 03m

Seattle/Tacoma Intl

Mon 11/9

12:57 pm-12:50 pm

2 stops31h 53m

$1,496

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 11/5

5:00 am-6:03 pm

2 stops29h 03m

Seattle/Tacoma Intl

Mon 11/9

12:57 pm-12:50 pm

2 stops31h 53m

$1,499

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 11/5

5:00 am-6:03 pm

2 stops29h 03m

Seattle/Tacoma Intl

Mon 11/9

12:57 pm-12:50 pm

2 stops31h 53m

$1,500

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 9/3

8:35 am-8:05 pm

1 stop26h 30m

Seattle/Tacoma Intl

Tue 9/15

4:59 pm-3:15 pm

2 stops31h 16m

$1,527

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 9/3

10:30 am-7:39 pm

2 stops24h 09m

Seattle/Tacoma Intl

Tue 9/15

5:44 pm-5:00 pm

2 stops32h 16m

$1,539

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?

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 $923. 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 $1,063.

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.

How have Perth to Seattle flight prices changed over time?

As of June 2026, prices for Perth to Seattle flights are approximately 55% more expensive when compared to flights at the same time last year.

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	24h 09m
Direct flights	None

The fastest flight from Perth to Seattle takes 24h 09m

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 24h 09m, 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

Tukwila

Puyallup

Marysville

Cle Elum

Federal Way

Fife

Centralia

Shoreline

Westport

Tumwater

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.