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

Qantas Airways 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.

$683 Cheap Flights from Perth to Seattle in 2026

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.

5:35 am - 10:40 am

PER

SEA

44h 05m

2 stops

12:50 pm - 4:20 am

SEA

PER

48h 30m

2 stops

$1,107Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

9:55 am - 3:15 pm

PER

SEA

44h 20m

3 stops

12:10 am - 4:20 am

SEA

PER

61h 10m

3 stops

$1,139Multiple Airlines

Mon, Sep 7 - Sun, Sep 13

9:55 am - 3:15 pm

PER

SEA

44h 20m

3 stops

12:10 am - 4:20 am

SEA

PER

61h 10m

3 stops

$1,142Multiple Airlines

Mon, Sep 7 - Sun, Sep 13

5:35 am - 10:40 am

PER

SEA

44h 05m

2 stops

12:50 pm - 4:20 am

SEA

PER

48h 30m

2 stops

$1,152Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

9:55 am - 7:45 pm

PER

SEA

48h 50m

2 stops

1:55 am - 5:10 pm

SEA

PER

48h 15m

2 stops

$1,179Multiple Airlines

Mon, Sep 7 - Sun, Sep 13

9:55 am - 7:45 pm

PER

SEA

48h 50m

2 stops

1:55 am - 5:10 pm

SEA

PER

48h 15m

2 stops

$1,180Multiple Airlines

Mon, Sep 7 - Sun, Sep 13

6:25 pm - 4:10 pm

PER

SEA

36h 45m

2 stops

1:15 am - 4:20 am

SEA

PER

36h 05m

2 stops

$1,188Multiple Airlines

Mon, Oct 12 - Wed, Oct 21

4:45 am - 10:40 am

PER

SEA

44h 55m

3 stops

12:50 pm - 3:45 am

SEA

PER

47h 55m

3 stops

$1,205Multiple Airlines

Fri, Sep 4 - Thu, Sep 10

5:35 am - 4:10 pm

PER

SEA

25h 35m

2 stops

1:15 am - 4:20 am

SEA

PER

36h 05m

2 stops

$1,210Multiple Airlines

Thu, Sep 10 - Wed, Sep 16

10:30 am - 10:59 pm

PER

SEA

27h 29m

2 stops

5:44 pm - 5:00 pm

SEA

PER

32h 16m

2 stops

$1,231Qantas Airways

Mon, Aug 31 - Tue, Sep 29

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Cathay Pacific flights from Perth to Seattle

Our best Cathay Pacific deals on Perth to Seattle flight tickets

Cathay Pacific

Aug 3

PER12:10 amPerth

25h 10m

1 stop

SEA10:20 amSeattle/Tacoma Intl

Aug 4

SEA12:25 pmSeattle/Tacoma Intl

27h 25m

1 stop

PER6:50 amPerth

$2,571

Cathay Pacific

Aug 3

PER12:10 amPerth

33h 22m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Aug 4

SEA8:42 pmSeattle/Tacoma Intl

34h 58m

2 stops

PER10:40 pmPerth

$2,592

Qatar Airways flights from Perth to Seattle

Our best Qatar Airways deals on Perth to Seattle flight tickets

Qatar Airways

Aug 4

PER10:45 pmPerth

29h 15m

1 stop

SEA1:00 pmSeattle/Tacoma Intl

Oct 14

SEA4:25 pmSeattle/Tacoma Intl

35h 10m

1 stop

PER6:35 pmPerth

$2,319

Qatar Airways

Aug 2

PER10:45 pmPerth

29h 00m

1 stop

SEA12:45 pmSeattle/Tacoma Intl

Aug 8

SEA4:25 pmSeattle/Tacoma Intl

35h 10m

1 stop

PER6:35 pmPerth

$2,381

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 9/8

5:35 am-10:40 am

2 stops44h 05m

Seattle/Tacoma Intl

Tue 9/15

12:50 pm-4:20 am

2 stops48h 30m

$1,107

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 9/7

9:55 am-3:15 pm

3 stops44h 20m

Seattle/Tacoma Intl

Sun 9/13

12:10 am-4:20 am

3 stops61h 10m

$1,139

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 9/7

9:55 am-3:15 pm

3 stops44h 20m

Seattle/Tacoma Intl

Sun 9/13

12:10 am-4:20 am

3 stops61h 10m

$1,142

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 9/8

5:35 am-10:40 am

2 stops44h 05m

Seattle/Tacoma Intl

Tue 9/15

12:50 pm-4:20 am

2 stops48h 30m

$1,152

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 9/7

9:55 am-7:45 pm

2 stops48h 50m

Seattle/Tacoma Intl

Sun 9/13

1:55 am-5:10 pm

2 stops48h 15m

$1,179

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 9/7

9:55 am-7:45 pm

2 stops48h 50m

Seattle/Tacoma Intl

Sun 9/13

1:55 am-5:10 pm

2 stops48h 15m

$1,180

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 10/12

6:25 pm-4:10 pm

2 stops36h 45m

Seattle/Tacoma Intl

Wed 10/21

1:15 am-4:20 am

2 stops36h 05m

$1,188

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 9/4

4:45 am-10:40 am

3 stops44h 55m

Seattle/Tacoma Intl

Thu 9/10

12:50 pm-3:45 am

3 stops47h 55m

$1,205

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 9/10

5:35 am-4:10 pm

2 stops25h 35m

Seattle/Tacoma Intl

Wed 9/16

1:15 am-4:20 am

2 stops36h 05m

$1,210

Quickest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 8/31

10:30 am-10:59 pm

2 stops27h 29m

Seattle/Tacoma Intl

Tue 9/29

5:44 pm-5:00 pm

2 stops32h 16m

$1,231

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,066 to $1,483.
The lowest price recently found on this route was $1,107.

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 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.

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

Kent

Lynnwood

Redmond

Lakewood

Puyallup

Tukwila

Federal Way

Fife

Cle Elum

Marysville

Kirkland

Centralia

Shoreline

Lacey

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.