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

Air Canada and Qantas Airways 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.

$708 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 $1,726 to $1,313. The lowest price recently found on this route was $1,306.

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.

10:35 am - 9:58 pm

PER

SEA

26h 23m

2 stops

5:10 pm - 12:05 pm

SEA

PER

27h 55m

2 stops

$1,306Qantas Airways

Wed, Jul 22 - Wed, Jul 29

11:05 pm - 10:07 am

PER

SEA

26h 02m

2 stops

7:20 pm - 2:55 pm

SEA

PER

28h 35m

2 stops

$1,307Multiple Airlines

Wed, Aug 12 - Wed, Sep 9

10:35 am - 9:58 pm

PER

SEA

26h 23m

2 stops

5:02 pm - 12:25 pm

SEA

PER

28h 23m

2 stops

$1,342Qantas Airways

Wed, Aug 12 - Wed, Sep 9

10:35 am - 9:58 pm

PER

SEA

26h 23m

2 stops

5:10 pm - 12:05 pm

SEA

PER

27h 55m

2 stops

$1,349Qantas Airways

Wed, Jul 15 - Wed, Jul 29

11:55 pm - 1:48 pm

PER

SEA

28h 53m

2 stops

5:55 pm - 12:50 pm

SEA

PER

26h 55m

2 stops

$1,353Multiple Airlines

Sun, Aug 2 - Tue, Feb 9

11:45 pm - 1:48 pm

PER

SEA

29h 03m

2 stops

2:10 pm - 11:15 am

SEA

PER

29h 05m

2 stops

$1,371American Airlines

Sun, Aug 2 - Tue, Feb 9

10:55 pm - 11:29 pm

PER

SEA

39h 34m

2 stops

3:58 pm - 11:15 am

SEA

PER

28h 17m

2 stops

$1,427Qantas Airways

Fri, Aug 28 - Fri, Sep 18

11:55 pm - 9:10 pm

PER

SEA

36h 15m

3 stops

5:04 pm - 11:40 am

SEA

PER

27h 36m

2 stops

$1,477United Airlines

Wed, Jul 15 - Wed, Jul 29

3:30 pm - 9:03 pm

PER

SEA

44h 33m

2 stops

5:04 pm - 2:05 pm

SEA

PER

30h 01m

2 stops

$1,479Virgin Australia

Fri, Jul 10 - Mon, Aug 10

1:50 pm - 12:25 pm

PER

SEA

38h 35m

2 stops

5:24 am - 11:15 am

SEA

PER

37h 51m

2 stops

$1,480American Airlines

Fri, Nov 6 - Tue, Nov 10

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United Airlines flights from Perth to Seattle

Our best United Airlines deals on Perth to Seattle flight tickets

United Airlines

Jul 15

PER11:55 pmPerth

36h 15m

3 stops

SEA9:10 pmSeattle/Tacoma Intl

Jul 29

SEA5:04 pmSeattle/Tacoma Intl

27h 36m

2 stops

PER11:40 amPerth

$1,477

United Airlines

Aug 25

PER3:30 pmPerth

44h 13m

2 stops

SEA8:43 pmSeattle/Tacoma Intl

Jan 18

SEA5:30 pmSeattle/Tacoma Intl

29h 15m

2 stops

PER2:45 pmPerth

$1,482

United Airlines

Nov 6

PER11:45 pmPerth

30h 33m

2 stops

SEA2:18 pmSeattle/Tacoma Intl

Nov 10

SEA7:32 pmSeattle/Tacoma Intl

27h 13m

2 stops

PER2:45 pmPerth

$1,608

Qantas Airways flights from Perth to Seattle

Our best Qantas Airways deals on Perth to Seattle flight tickets

Qantas Airways

Jul 22

PER10:35 amPerth

26h 23m

2 stops

SEA9:58 pmSeattle/Tacoma Intl

Jul 29

SEA5:10 pmSeattle/Tacoma Intl

27h 55m

2 stops

PER12:05 pmPerth

$1,306

Qantas Airways

Aug 12

PER10:35 amPerth

26h 23m

2 stops

SEA9:58 pmSeattle/Tacoma Intl

Sep 9

SEA5:02 pmSeattle/Tacoma Intl

28h 23m

2 stops

PER12:25 pmPerth

$1,342

Qantas Airways

Jul 15

PER10:35 amPerth

26h 23m

2 stops

SEA9:58 pmSeattle/Tacoma Intl

Jul 29

SEA5:10 pmSeattle/Tacoma Intl

27h 55m

2 stops

PER12:05 pmPerth

$1,349

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 7/22

10:35 am-9:58 pm

2 stops26h 23m

Seattle/Tacoma Intl

Wed 7/29

5:10 pm-12:05 pm

2 stops27h 55m

$1,306

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 8/12

11:05 pm-10:07 am

2 stops26h 02m

Seattle/Tacoma Intl

Wed 9/9

7:20 pm-2:55 pm

2 stops28h 35m

$1,307

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 8/12

10:35 am-9:58 pm

2 stops26h 23m

Seattle/Tacoma Intl

Wed 9/9

5:02 pm-12:25 pm

2 stops28h 23m

$1,342

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 7/15

10:35 am-9:58 pm

2 stops26h 23m

Seattle/Tacoma Intl

Wed 7/29

5:10 pm-12:05 pm

2 stops27h 55m

$1,349

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 8/2

11:55 pm-1:48 pm

2 stops28h 53m

Seattle/Tacoma Intl

Tue 2/9

5:55 pm-12:50 pm

2 stops26h 55m

$1,353

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 8/2

11:45 pm-1:48 pm

2 stops29h 03m

Seattle/Tacoma Intl

Tue 2/9

2:10 pm-11:15 am

2 stops29h 05m

$1,371

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 8/28

10:55 pm-11:29 pm

2 stops39h 34m

Seattle/Tacoma Intl

Fri 9/18

3:58 pm-11:15 am

2 stops28h 17m

$1,427

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 7/15

11:55 pm-9:10 pm

3 stops36h 15m

Seattle/Tacoma Intl

Wed 7/29

5:04 pm-11:40 am

2 stops27h 36m

$1,477

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 7/10

3:30 pm-9:03 pm

2 stops44h 33m

Seattle/Tacoma Intl

Mon 8/10

5:04 pm-2:05 pm

2 stops30h 01m

$1,479

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 11/6

1:50 pm-12:25 pm

2 stops38h 35m

Seattle/Tacoma Intl

Tue 11/10

5:24 am-11:15 am

2 stops37h 51m

$1,480

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 $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?

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	26h 23m
Direct flights	None

The fastest flight from Perth to Seattle takes 26h 23m

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 26h 23m, 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

Federal Way

Fife

Cle Elum

Marysville

Centralia

Shoreline

Kirkland

Westport

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.