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.

$922 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 $1,344 to $2,000. The lowest price recently found on this route was $922.

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10:30 am - 9:55 am

PER

SEA

39h 25m

2 stops

1:30 pm - 11:55 pm

SEA

PER

43h 25m

2 stops

$922Japan Airlines

Tue, Mar 3 - Tue, Mar 10

12:25 pm - 10:25 am

PER

SEA

37h 00m

2 stops

1:30 pm - 12:40 am

SEA

PER

44h 10m

2 stops

$982Japan Airlines

Tue, May 19 - Wed, Jun 3

10:30 am - 9:55 am

PER

SEA

39h 25m

2 stops

1:30 pm - 11:55 pm

SEA

PER

43h 25m

2 stops

$987Japan Airlines

Wed, Mar 4 - Wed, Mar 11

6:40 am - 8:10 am

PER

SEA

40h 30m

1 stop

9:45 am - 5:10 am

SEA

PER

28h 25m

1 stop

$1,134Singapore Airlines

Sat, Mar 21 - Sat, Mar 28

6:40 am - 8:10 am

PER

SEA

40h 30m

1 stop

10:15 am - 5:10 am

SEA

PER

27h 55m

1 stop

$1,136Singapore Airlines

Fri, Mar 20 - Thu, Apr 2

5:35 am - 6:30 pm

PER

SEA

27h 55m

2 stops

11:50 pm - 4:15 am

SEA

PER

37h 25m

2 stops

$1,149Multiple Airlines

Sat, Mar 21 - Sat, Mar 28

10:30 am - 9:55 am

PER

SEA

39h 25m

2 stops

12:30 pm - 10:55 pm

SEA

PER

42h 25m

2 stops

$1,195Japan Airlines

Thu, Feb 19 - Mon, Feb 23

10:30 am - 9:55 am

PER

SEA

39h 25m

2 stops

12:30 pm - 10:55 pm

SEA

PER

42h 25m

2 stops

$1,196Japan Airlines

Thu, Feb 19 - Mon, Feb 23

8:40 am - 7:40 pm

PER

SEA

26h 00m

1 stop

11:10 pm - 7:15 am

SEA

PER

41h 05m

1 stop

$1,197Philippine Airlines

Thu, Mar 19 - Tue, Mar 31

5:35 am - 7:10 pm

PER

SEA

28h 35m

2 stops

1:30 am - 4:15 am

SEA

PER

35h 45m

2 stops

$1,201Multiple Airlines

Fri, Mar 20 - Wed, Apr 1

Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets

Japan Airlines

Mar 3

PER10:30 amPerth

39h 25m

2 stops

SEA9:55 amSeattle/Tacoma Intl

Mar 10

SEA1:30 pmSeattle/Tacoma Intl

43h 25m

2 stops

PER11:55 pmPerth

$922

Japan Airlines

May 19

PER12:25 pmPerth

37h 00m

2 stops

SEA10:25 amSeattle/Tacoma Intl

Jun 3

SEA1:30 pmSeattle/Tacoma Intl

44h 10m

2 stops

PER12:40 amPerth

$982

Japan Airlines

Mar 4

PER10:30 amPerth

39h 25m

2 stops

SEA9:55 amSeattle/Tacoma Intl

Mar 11

SEA1:30 pmSeattle/Tacoma Intl

43h 25m

2 stops

PER11:55 pmPerth

$987

Singapore Airlines flights from Perth to Seattle

Our best Singapore Airlines deals on Perth to Seattle flight tickets

Singapore Airlines

Mar 21

PER6:40 amPerth

40h 30m

1 stop

SEA8:10 amSeattle/Tacoma Intl

Mar 28

SEA9:45 amSeattle/Tacoma Intl

28h 25m

1 stop

PER5:10 amPerth

$1,134

Singapore Airlines

Mar 20

PER6:40 amPerth

40h 30m

1 stop

SEA8:10 amSeattle/Tacoma Intl

Apr 2

SEA10:15 amSeattle/Tacoma Intl

27h 55m

1 stop

PER5:10 amPerth

$1,136

Singapore Airlines

Mar 11

PER1:50 pmPerth

57h 20m

1 stop

SEA8:10 amSeattle/Tacoma Intl

Mar 15

SEA9:45 amSeattle/Tacoma Intl

38h 00m

1 stop

PER2:45 pmPerth

$1,225

Fly from

Fly to

Route

Depart

Return

Price

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 3/3

10:30 am-9:55 am

2 stops39h 25m

Seattle/Tacoma Intl

Tue 3/10

1:30 pm-11:55 pm

2 stops43h 25m

$922

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 5/19

12:25 pm-10:25 am

2 stops37h 00m

Seattle/Tacoma Intl

Wed 6/3

1:30 pm-12:40 am

2 stops44h 10m

$982

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 3/4

10:30 am-9:55 am

2 stops39h 25m

Seattle/Tacoma Intl

Wed 3/11

1:30 pm-11:55 pm

2 stops43h 25m

$987

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 3/21

6:40 am-8:10 am

1 stop40h 30m

Seattle/Tacoma Intl

Sat 3/28

9:45 am-5:10 am

1 stop28h 25m

$1,134

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 3/20

6:40 am-8:10 am

1 stop40h 30m

Seattle/Tacoma Intl

Thu 4/2

10:15 am-5:10 am

1 stop27h 55m

$1,136

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 3/21

5:35 am-6:30 pm

2 stops27h 55m

Seattle/Tacoma Intl

Sat 3/28

11:50 pm-4:15 am

2 stops37h 25m

$1,149

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 2/19

10:30 am-9:55 am

2 stops39h 25m

Seattle/Tacoma Intl

Mon 2/23

12:30 pm-10:55 pm

2 stops42h 25m

$1,195

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 2/19

10:30 am-9:55 am

2 stops39h 25m

Seattle/Tacoma Intl

Mon 2/23

12:30 pm-10:55 pm

2 stops42h 25m

$1,196

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/19

8:40 am-7:40 pm

1 stop26h 00m

Seattle/Tacoma Intl

Tue 3/31

11:10 pm-7:15 am

1 stop41h 05m

$1,197

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 3/20

5:35 am-7:10 pm

2 stops28h 35m

Seattle/Tacoma Intl

Wed 4/1

1:30 am-4:15 am

2 stops35h 45m

$1,201

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 $939. 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 $1,139.

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 $1,287 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.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 26% 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 January 2026, prices for Perth to Seattle flights are approximately 12% cheaper 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	32h 40m
Direct flights	None

The fastest flight from Perth to Seattle takes 32h 40m

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 32h 40m, 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

Marysville

Puyallup

Redmond

Tukwila

Cle Elum

Lakewood

Federal Way

Fife

Kirkland

Westport

Centralia

Shoreline

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.