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

ANA and Qatar 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.

$647 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 $1,476 to $1,714. The lowest price recently found on this route was $1,119.

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8:35 am - 8:05 pm

PER

SEA

26h 30m

1 stop

11:10 pm - 7:15 am

SEA

PER

41h 05m

1 stop

$1,119Philippine Airlines

Thu, Sep 10 - Wed, Oct 7

11:15 am - 9:42 pm

PER

SEA

25h 27m

2 stops

8:00 am - 10:30 am

SEA

PER

35h 30m

2 stops

$1,152Multiple Airlines

Fri, May 1 - Fri, May 8

10:40 pm - 9:50 am

PER

SEA

26h 10m

2 stops

7:20 pm - 4:10 pm

SEA

PER

29h 50m

2 stops

$1,171Air Canada

Wed, May 20 - Wed, Jun 10

8:35 am - 8:05 pm

PER

SEA

26h 30m

1 stop

11:10 pm - 7:15 am

SEA

PER

41h 05m

1 stop

$1,172Philippine Airlines

Thu, Sep 10 - Fri, Oct 9

10:40 pm - 2:20 pm

PER

SEA

30h 40m

2 stops

7:20 pm - 9:40 pm

SEA

PER

35h 20m

2 stops

$1,176Air Canada

Mon, May 4 - Mon, May 11

5:35 am - 7:15 pm

PER

SEA

52h 40m

2 stops

1:15 am - 4:20 am

SEA

PER

36h 05m

2 stops

$1,200Multiple Airlines

Sun, May 3 - Sat, May 9

11:55 pm - 9:42 pm

PER

SEA

36h 47m

2 stops

8:00 am - 9:00 am

SEA

PER

34h 00m

2 stops

$1,212Multiple Airlines

Wed, Apr 29 - Wed, May 6

10:40 pm - 10:40 pm

PER

SEA

39h 00m

2 stops

2:55 pm - 3:45 pm

SEA

PER

33h 50m

2 stops

$1,214Air Canada

Mon, May 11 - Thu, May 28

3:30 pm - 9:42 pm

PER

SEA

45h 12m

2 stops

8:50 pm - 10:30 am

SEA

PER

46h 40m

2 stops

$1,223Multiple Airlines

Mon, May 11 - Thu, May 28

3:30 pm - 9:42 pm

PER

SEA

45h 12m

2 stops

8:50 pm - 10:30 am

SEA

PER

46h 40m

2 stops

$1,226Multiple Airlines

Mon, May 11 - Thu, May 28

Qatar Airways flights from Perth to Seattle

Our best Qatar Airways deals on Perth to Seattle flight tickets

Qatar Airways

May 3

PER10:45 pmPerth

29h 00m

1 stop

SEA12:45 pmSeattle/Tacoma Intl

May 10

SEA4:30 pmSeattle/Tacoma Intl

35h 05m

1 stop

PER6:35 pmPerth

$1,537

Qatar Airways

May 20

PER3:40 pmPerth

36h 05m

1 stop

SEA12:45 pmSeattle/Tacoma Intl

Jun 10

SEA4:30 pmSeattle/Tacoma Intl

35h 05m

1 stop

PER6:35 pmPerth

$1,540

Qatar Airways

May 4

PER3:40 pmPerth

36h 05m

1 stop

SEA12:45 pmSeattle/Tacoma Intl

May 11

SEA4:30 pmSeattle/Tacoma Intl

35h 05m

1 stop

PER6:35 pmPerth

$1,547

Air Canada flights from Perth to Seattle

Our best Air Canada deals on Perth to Seattle flight tickets

Air Canada

May 20

PER10:40 pmPerth

26h 10m

2 stops

SEA9:50 amSeattle/Tacoma Intl

Jun 10

SEA7:20 pmSeattle/Tacoma Intl

29h 50m

2 stops

PER4:10 pmPerth

$1,171

Air Canada

May 4

PER10:40 pmPerth

30h 40m

2 stops

SEA2:20 pmSeattle/Tacoma Intl

May 11

SEA7:20 pmSeattle/Tacoma Intl

35h 20m

2 stops

PER9:40 pmPerth

$1,176

Air Canada

May 11

PER10:40 pmPerth

39h 00m

2 stops

SEA10:40 pmSeattle/Tacoma Intl

May 28

SEA2:55 pmSeattle/Tacoma Intl

33h 50m

2 stops

PER3:45 pmPerth

$1,214

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 9/10

8:35 am-8:05 pm

1 stop26h 30m

Seattle/Tacoma Intl

Wed 10/7

11:10 pm-7:15 am

1 stop41h 05m

$1,119

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 5/1

11:15 am-9:42 pm

2 stops25h 27m

Seattle/Tacoma Intl

Fri 5/8

8:00 am-10:30 am

2 stops35h 30m

$1,152

Quickest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 5/20

10:40 pm-9:50 am

2 stops26h 10m

Seattle/Tacoma Intl

Wed 6/10

7:20 pm-4:10 pm

2 stops29h 50m

$1,171

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 9/10

8:35 am-8:05 pm

1 stop26h 30m

Seattle/Tacoma Intl

Fri 10/9

11:10 pm-7:15 am

1 stop41h 05m

$1,172

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 5/4

10:40 pm-2:20 pm

2 stops30h 40m

Seattle/Tacoma Intl

Mon 5/11

7:20 pm-9:40 pm

2 stops35h 20m

$1,176

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 5/3

5:35 am-7:15 pm

2 stops52h 40m

Seattle/Tacoma Intl

Sat 5/9

1:15 am-4:20 am

2 stops36h 05m

$1,200

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 4/29

11:55 pm-9:42 pm

2 stops36h 47m

Seattle/Tacoma Intl

Wed 5/6

8:00 am-9:00 am

2 stops34h 00m

$1,212

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 5/11

10:40 pm-10:40 pm

2 stops39h 00m

Seattle/Tacoma Intl

Thu 5/28

2:55 pm-3:45 pm

2 stops33h 50m

$1,214

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 5/11

3:30 pm-9:42 pm

2 stops45h 12m

Seattle/Tacoma Intl

Thu 5/28

8:50 pm-10:30 am

2 stops46h 40m

$1,223

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 5/11

3:30 pm-9:42 pm

2 stops45h 12m

Seattle/Tacoma Intl

Thu 5/28

8:50 pm-10:30 am

2 stops46h 40m

$1,226

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 $1,103.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Perth when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,312 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Perth for as low as $1,163 on momondo.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 41% 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 March 2026, prices for Perth to Seattle flights are approximately 11% 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	25h 27m
Direct flights	None

The fastest flight from Perth to Seattle takes 25h 27m

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

Search flight deals

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 25h 27m, 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

Kent

Redmond

Marysville

Puyallup

Cle Elum

Lakewood

Tukwila

Federal Way

Fife

Westport

Centralia

Kirkland

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.