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

Philippine Airlines, Japan Airlines, and Air Canada 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 many operators does momondo search for flights from Perth Airport to Seattle/Tacoma Intl Airport?

As of August 2025, there is 1 operator available to choose from for flights from Perth Airport to Seattle/Tacoma Intl Airport.

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.

$589 Cheap Flights from Perth to Seattle (PER-SEA) in 2025

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 $1,159 to $1,484. The lowest price recently found on this route was $901.

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Find the cheapest flights from Perth to Seattle (PER-SEA)

Round-trip

One-way

Cheap round-trip flights

12:25 pm - 10:25 amPER-SEA

37h 00m2 stops

1:30 pm - 12:40 amSEA-PER

44h 10m2 stops

$901Japan Airlines

Find Deal

Tue, Sep 16 - Tue, Sep 23

12:25 pm - 10:25 amPER-SEA

37h 00m2 stops

1:30 pm - 12:40 amSEA-PER

44h 10m2 stops

$938Japan Airlines

Find Deal

Sun, Oct 12 - Sun, Oct 19

12:10 am - 10:25 amPER-SEA

25h 15m2 stops

1:30 pm - 12:40 amSEA-PER

44h 10m2 stops

$949Japan Airlines

Find Deal

Mon, Sep 15 - Tue, Sep 23

6:25 pm - 4:10 pmPER-SEA

36h 45m2 stops

1:15 am - 8:40 pmSEA-PER

52h 25m2 stops

$1,128

Find Deal

Tue, Sep 16 - Mon, Sep 22

10:30 pm - 7:16 pmPER-SEA

36h 46m2 stops

3:40 pm - 9:35 pmSEA-PER

37h 55m2 stops

$1,165Air Canada

Find Deal

Thu, Nov 20 - Mon, Nov 24

10:30 pm - 2:26 pmPER-SEA

31h 56m2 stops

8:00 pm - 9:35 pmSEA-PER

33h 35m2 stops

$1,166Air Canada

Find Deal

Thu, Nov 20 - Mon, Nov 24

9:55 pm - 4:10 pmPER-SEA

33h 15m2 stops

1:15 am - 8:40 pmSEA-PER

52h 25m2 stops

$1,193

Find Deal

Thu, Sep 4 - Wed, Sep 17

9:35 pm - 3:14 pmPER-SEA

32h 39m2 stops

4:30 pm - 8:00 pmSEA-PER

36h 30m1 stop

$1,198ANA

Find Deal

Thu, Sep 18 - Tue, Sep 23

9:35 pm - 2:25 pmPER-SEA

31h 50m1 stop

4:30 pm - 8:00 pmSEA-PER

36h 30m1 stop

$1,350ANA

Find Deal

Thu, Sep 18 - Tue, Sep 23

5:10 pm - 8:45 amPER-SEA

54h 35m1 stop

10:15 am - 5:10 amSEA-PER

27h 55m1 stop

$1,421Singapore Airlines

Find Deal

Sun, Oct 12 - Sun, Oct 19

Air Canada flights from Perth to Seattle

Our best Air Canada deals on Perth to Seattle flight tickets

Air Canada

Nov 20

PER10:30 pmPerth

36h 46m

2 stops

SEA7:16 pmSeattle/Tacoma Intl

Nov 24

SEA3:40 pmSeattle/Tacoma Intl

37h 55m

2 stops

PER9:35 pmPerth

$1,165

Find similar

Air Canada

Nov 20

PER10:30 pmPerth

31h 56m

2 stops

SEA2:26 pmSeattle/Tacoma Intl

Nov 24

SEA8:00 pmSeattle/Tacoma Intl

33h 35m

2 stops

PER9:35 pmPerth

$1,166

Find similar

Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets

Japan Airlines

Sep 16

PER12:25 pmPerth

37h 00m

2 stops

SEA10:25 amSeattle/Tacoma Intl

Sep 23

SEA1:30 pmSeattle/Tacoma Intl

44h 10m

2 stops

PER12:40 amPerth

$901

Find similar

Japan Airlines

Oct 12

PER12:25 pmPerth

37h 00m

2 stops

SEA10:25 amSeattle/Tacoma Intl

Oct 19

SEA1:30 pmSeattle/Tacoma Intl

44h 10m

2 stops

PER12:40 amPerth

$938

Find similar

Japan Airlines

Sep 15

PER12:10 amPerth

25h 15m

2 stops

SEA10:25 amSeattle/Tacoma Intl

Sep 23

SEA1:30 pmSeattle/Tacoma Intl

44h 10m

2 stops

PER12:40 amPerth

$949

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 9/16

12:25 pm-10:25 am

2 stops37h 00m

Seattle/Tacoma Intl

Tue 9/23

1:30 pm-12:40 am

2 stops44h 10m

$901

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 10/12

12:25 pm-10:25 am

2 stops37h 00m

Seattle/Tacoma Intl

Sun 10/19

1:30 pm-12:40 am

2 stops44h 10m

$938

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 9/15

12:10 am-10:25 am

2 stops25h 15m

Seattle/Tacoma Intl

Tue 9/23

1:30 pm-12:40 am

2 stops44h 10m

$949

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 9/16

6:25 pm-4:10 pm

2 stops36h 45m

Seattle/Tacoma Intl

Mon 9/22

1:15 am-8:40 pm

2 stops52h 25m

$1,128

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 11/20

10:30 pm-7:16 pm

2 stops36h 46m

Seattle/Tacoma Intl

Mon 11/24

3:40 pm-9:35 pm

2 stops37h 55m

$1,165

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 11/20

10:30 pm-2:26 pm

2 stops31h 56m

Seattle/Tacoma Intl

Mon 11/24

8:00 pm-9:35 pm

2 stops33h 35m

$1,166

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 9/4

9:55 pm-4:10 pm

2 stops33h 15m

Seattle/Tacoma Intl

Wed 9/17

1:15 am-8:40 pm

2 stops52h 25m

$1,193

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 9/18

9:35 pm-3:14 pm

2 stops32h 39m

Seattle/Tacoma Intl

Tue 9/23

4:30 pm-8:00 pm

1 stop36h 30m

$1,198

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 9/18

9:35 pm-2:25 pm

1 stop31h 50m

Seattle/Tacoma Intl

Tue 9/23

4:30 pm-8:00 pm

1 stop36h 30m

$1,350

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 10/12

5:10 pm-8:45 am

1 stop54h 35m

Seattle/Tacoma Intl

Sun 10/19

10:15 am-5:10 am

1 stop27h 55m

$1,421

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 $1,125. 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 $1,143.

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 $1,320 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 $1,119 on momondo.

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

Best Price Found	$589
Fastest flight time	22h 00m
Direct flights	None
Airports in Seattle	1 airport

The best one-way flight to Seattle from Perth in the past 72 hours is $589. The best round-trip flight deal from Perth to Seattle found on momondo in the last 72 hours is $901.

The fastest flight from Perth to Seattle takes 22h 00m

There are no direct flights from Perth to Seattle. Popular non-direct route for this connection is Perth Airport - Seattle/Tacoma Intl Airport.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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 24h 26m, 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 many operators does momondo search for flights from Perth Airport to Seattle/Tacoma Intl Airport?
As of August 2025, there is 1 operator available to choose from for flights from Perth Airport to Seattle/Tacoma Intl Airport.
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.
What is the most popular airline from Perth to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Perth to Seattle is Singapore Airlines (100% of total bookings).

Best airlines flying from Perth to Seattle

Compare and see reviews for airlines that fly from Perth to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Singapore Airlines	PriceFrom $1,070	Free Cancellation	Rating 8.1 1,347 reviews		Search Singapore Airlines flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Olympia

Renton

Kent

Lynnwood

Federal Way

Marysville

Puyallup

Tukwila

Kirkland

Lakewood

Centralia

Cle Elum

Shoreline

Fife

Redmond

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.