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.

$680 Cheap Flights from Perth to Seattle in 2026

Find the cheapest flights from Perth to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:35 am - 10:40 amPER Perth-SEA Seattle/Tacoma Intl

68h 05m3 stops Singapore Changi Taipei City Taiwan Taoyuan Intl Incheon Intl

12:50 pm - 5:10 pmSEA Seattle/Tacoma Intl-PER Perth

61h 20m3 stops Incheon Intl Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,156Multiple Airlines

Fri, Sep 4 - Sun, Sep 13

5:35 am - 3:15 pmPER Perth-SEA Seattle/Tacoma Intl

48h 40m3 stops Singapore Changi Taipei City Taiwan Taoyuan Intl Incheon Intl

12:10 am - 8:10 amSEA Seattle/Tacoma Intl-PER Perth

41h 00m3 stops Incheon Intl Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,221Multiple Airlines

Thu, Sep 10 - Fri, Sep 18

5:35 am - 4:10 pmPER Perth-SEA Seattle/Tacoma Intl

49h 35m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

1:15 am - 8:10 amSEA Seattle/Tacoma Intl-PER Perth

39h 55m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,229Multiple Airlines

Thu, Sep 10 - Fri, Sep 18

5:35 am - 7:45 pmPER Perth-SEA Seattle/Tacoma Intl

53h 10m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

1:55 am - 5:10 pmSEA Seattle/Tacoma Intl-PER Perth

48h 15m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,235Multiple Airlines

Fri, Sep 4 - Sat, Sep 12

6:25 pm - 7:45 pmPER Perth-SEA Seattle/Tacoma Intl

40h 20m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

1:15 am - 4:20 amSEA Seattle/Tacoma Intl-PER Perth

36h 05m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,238Multiple Airlines

Wed, Sep 9 - Tue, Sep 15

5:35 am - 10:40 amPER Perth-SEA Seattle/Tacoma Intl

68h 05m3 stops Singapore Changi Taipei City Taiwan Taoyuan Intl Incheon Intl

1:15 am - 5:10 pmSEA Seattle/Tacoma Intl-PER Perth

48h 55m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,335Multiple Airlines

Fri, Sep 4 - Sat, Sep 12

2:50 pm - 10:40 amPER Perth-SEA Seattle/Tacoma Intl

34h 50m2 stops Bangkok Suvarnabhumi Incheon Intl

11:10 pm - 7:15 amSEA Seattle/Tacoma Intl-PER Perth

41h 05m1 stop Manila Ninoy Aquino Intl

$1,341Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

6:25 pm - 8:45 amPER Perth-SEA Seattle/Tacoma Intl

29h 20m1 stop Singapore Changi

12:50 pm - 2:05 pmSEA Seattle/Tacoma Intl-PER Perth

34h 15m2 stops Incheon Intl Manila Ninoy Aquino Intl

$1,363Multiple Airlines

Mon, Sep 28 - Mon, Oct 5

5:35 am - 7:45 pmPER Perth-SEA Seattle/Tacoma Intl

29h 10m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

1:15 am - 4:20 amSEA Seattle/Tacoma Intl-PER Perth

36h 05m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,365Multiple Airlines

Tue, Sep 8 - Mon, Sep 28

5:35 am - 8:08 amPER Perth-SEA Seattle/Tacoma Intl

41h 33m3 stops Singapore Changi Taipei City Taiwan Taoyuan Intl San Francisco

1:15 am - 8:10 amSEA Seattle/Tacoma Intl-PER Perth

39h 55m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,367Multiple Airlines

Thu, Sep 10 - Fri, Sep 18

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Fri 9/4

5:35 am-10:40 am

3 stops68h 05m

Seattle/Tacoma Intl

Sun 9/13

12:50 pm-5:10 pm

3 stops61h 20m

$1,156

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 9/10

5:35 am-3:15 pm

3 stops48h 40m

Seattle/Tacoma Intl

Fri 9/18

12:10 am-8:10 am

3 stops41h 00m

$1,221

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 9/10

5:35 am-4:10 pm

2 stops49h 35m

Seattle/Tacoma Intl

Fri 9/18

1:15 am-8:10 am

2 stops39h 55m

$1,229

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Fri 9/4

5:35 am-7:45 pm

2 stops53h 10m

Seattle/Tacoma Intl

Sat 9/12

1:55 am-5:10 pm

2 stops48h 15m

$1,235

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 9/9

6:25 pm-7:45 pm

2 stops40h 20m

Seattle/Tacoma Intl

Tue 9/15

1:15 am-4:20 am

2 stops36h 05m

$1,238

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Fri 9/4

5:35 am-10:40 am

3 stops68h 05m

Seattle/Tacoma Intl

Sat 9/12

1:15 am-5:10 pm

2 stops48h 55m

$1,335

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 9/9

2:50 pm-10:40 am

2 stops34h 50m

Seattle/Tacoma Intl

Wed 9/16

11:10 pm-7:15 am

1 stop41h 05m

$1,341

Quickest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 9/28

6:25 pm-8:45 am

1 stop29h 20m

Seattle/Tacoma Intl

Mon 10/5

12:50 pm-2:05 pm

2 stops34h 15m

$1,363

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 9/8

5:35 am-7:45 pm

2 stops29h 10m

Seattle/Tacoma Intl

Mon 9/28

1:15 am-4:20 am

2 stops36h 05m

$1,365

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 9/10

5:35 am-8:08 am

3 stops41h 33m

Seattle/Tacoma Intl

Fri 9/18

1:15 am-8:10 am

2 stops39h 55m

$1,367

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

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 $1,448.
The lowest price recently found on this route was $1,156.

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	29h 20m
Direct flights	None

The fastest flight from Perth to Seattle takes 29h 20m

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 29h 20m, 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.

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SeaTac

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Renton

Olympia

Kent

Lynnwood

Redmond

Lakewood

Federal Way

Puyallup

Tukwila

Fife

Cle Elum

Marysville

Kirkland

Centralia

Shoreline

Lacey

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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.