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.

$620 Cheap Flights from Perth to Seattle in 2026/27

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.

8:35 am - 7:45 pmPER Perth-SEA Seattle/Tacoma Intl

26h 10m1 stop Manila Ninoy Aquino Intl

9:30 pm - 7:20 amSEA Seattle/Tacoma Intl-PER Perth

41h 50m1 stop Manila Ninoy Aquino Intl

$1,165Philippine Airlines

Mon, Oct 26 - Mon, Nov 2

8:40 pm - 8:45 amPER Perth-SEA Seattle/Tacoma Intl

52h 05m2 stops Denpasar Bali Ngurah Rai Hong Kong Intl

10:25 am - 1:20 amSEA Seattle/Tacoma Intl-PER Perth

46h 55m2 stops Hong Kong Intl Denpasar Bali Ngurah Rai

$1,172Multiple Airlines

Tue, Jan 26 - Tue, Feb 9

6:30 pm - 10:05 amPER Perth-SEA Seattle/Tacoma Intl

30h 35m2 stops Denpasar Bali Ngurah Rai Incheon Intl

9:40 am - 8:25 amSEA Seattle/Tacoma Intl-PER Perth

31h 45m1 stop Singapore Changi

$1,176Multiple Airlines

Tue, Mar 16 - Sun, Mar 21

1:20 am - 7:05 amPER Perth-SEA Seattle/Tacoma Intl

21h 45m1 stop Singapore Changi

8:40 am - 12:05 amSEA Seattle/Tacoma Intl-PER Perth

23h 25m1 stop Singapore Changi

$1,242Singapore Airlines

Tue, Nov 10 - Wed, Dec 2

1:20 am - 7:05 amPER Perth-SEA Seattle/Tacoma Intl

21h 45m1 stop Singapore Changi

8:40 am - 12:35 pmSEA Seattle/Tacoma Intl-PER Perth

35h 55m1 stop Singapore Changi

$1,248Singapore Airlines

Tue, Nov 10 - Wed, Nov 18

10:30 pm - 9:32 amPER Perth-SEA Seattle/Tacoma Intl

27h 02m2 stops Brisbane Vancouver Intl

7:05 pm - 3:55 pmSEA Seattle/Tacoma Intl-PER Perth

28h 50m2 stops Vancouver Intl Brisbane

$1,277Air Canada

Wed, Nov 11 - Wed, Nov 18

3:15 pm - 9:27 amPER Perth-SEA Seattle/Tacoma Intl

34h 12m2 stops Sydney Kingsford Smith Vancouver Intl

7:05 pm - 8:20 pmSEA Seattle/Tacoma Intl-PER Perth

33h 15m2 stops Vancouver Intl Sydney Kingsford Smith

$1,283Air Canada

Tue, Nov 10 - Tue, Nov 17

3:15 pm - 2:37 pmPER Perth-SEA Seattle/Tacoma Intl

38h 22m2 stops Sydney Kingsford Smith Vancouver Intl

7:05 pm - 9:35 pmSEA Seattle/Tacoma Intl-PER Perth

34h 30m2 stops Vancouver Intl Brisbane

$1,285Air Canada

Mon, Oct 26 - Mon, Nov 2

3:15 pm - 9:32 amPER Perth-SEA Seattle/Tacoma Intl

34h 17m2 stops Sydney Kingsford Smith Vancouver Intl

7:05 pm - 9:35 pmSEA Seattle/Tacoma Intl-PER Perth

34h 30m2 stops Vancouver Intl Brisbane

$1,294Multiple Airlines

Wed, Dec 2 - Sun, Dec 6

1:20 am - 7:05 amPER Perth-SEA Seattle/Tacoma Intl

21h 45m1 stop Singapore Changi

8:40 am - 2:45 pmSEA Seattle/Tacoma Intl-PER Perth

38h 05m1 stop Singapore Changi

$1,298Singapore Airlines

Mon, Nov 9 - Tue, Nov 17

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Philippine Airlines flights from Perth to Seattle

Our best Philippine Airlines deals on Perth to Seattle flight tickets

Philippine Airlines

Oct 26

PER8:35 amPerth

26h 10m

1 stop

SEA7:45 pmSeattle/Tacoma Intl

Nov 2

SEA9:30 pmSeattle/Tacoma Intl

41h 50m

1 stop

PER7:20 amPerth

$1,165

Philippine Airlines

Dec 3

PER8:35 amPerth

26h 10m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Dec 7

SEA9:30 pmSeattle/Tacoma Intl

41h 50m

1 stop

PER7:20 amPerth

$1,380

Air Canada flights from Perth to Seattle

Our best Air Canada deals on Perth to Seattle flight tickets

Air Canada

Nov 11

PER10:30 pmPerth

27h 02m

2 stops

SEA9:32 amSeattle/Tacoma Intl

Nov 18

SEA7:05 pmSeattle/Tacoma Intl

28h 50m

2 stops

PER3:55 pmPerth

$1,277

Air Canada

Nov 10

PER3:15 pmPerth

34h 12m

2 stops

SEA9:27 amSeattle/Tacoma Intl

Nov 17

SEA7:05 pmSeattle/Tacoma Intl

33h 15m

2 stops

PER8:20 pmPerth

$1,283

Air Canada

Oct 26

PER3:15 pmPerth

38h 22m

2 stops

SEA2:37 pmSeattle/Tacoma Intl

Nov 2

SEA7:05 pmSeattle/Tacoma Intl

34h 30m

2 stops

PER9:35 pmPerth

$1,285

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 10/26

8:35 am-7:45 pm

1 stop26h 10m

Seattle/Tacoma Intl

Mon 11/2

9:30 pm-7:20 am

1 stop41h 50m

$1,165

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 1/26

8:40 pm-8:45 am

2 stops52h 05m

Seattle/Tacoma Intl

Tue 2/9

10:25 am-1:20 am

2 stops46h 55m

$1,172

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 3/16

6:30 pm-10:05 am

2 stops30h 35m

Seattle/Tacoma Intl

Sun 3/21

9:40 am-8:25 am

1 stop31h 45m

$1,176

Quickest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 11/10

1:20 am-7:05 am

1 stop21h 45m

Seattle/Tacoma Intl

Wed 12/2

8:40 am-12:05 am

1 stop23h 25m

$1,242

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 11/10

1:20 am-7:05 am

1 stop21h 45m

Seattle/Tacoma Intl

Wed 11/18

8:40 am-12:35 pm

1 stop35h 55m

$1,248

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 11/11

10:30 pm-9:32 am

2 stops27h 02m

Seattle/Tacoma Intl

Wed 11/18

7:05 pm-3:55 pm

2 stops28h 50m

$1,277

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 11/10

3:15 pm-9:27 am

2 stops34h 12m

Seattle/Tacoma Intl

Tue 11/17

7:05 pm-8:20 pm

2 stops33h 15m

$1,283

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 10/26

3:15 pm-2:37 pm

2 stops38h 22m

Seattle/Tacoma Intl

Mon 11/2

7:05 pm-9:35 pm

2 stops34h 30m

$1,285

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 12/2

3:15 pm-9:32 am

2 stops34h 17m

Seattle/Tacoma Intl

Sun 12/6

7:05 pm-9:35 pm

2 stops34h 30m

$1,294

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 11/9

1:20 am-7:05 am

1 stop21h 45m

Seattle/Tacoma Intl

Tue 11/17

8:40 am-2:45 pm

1 stop38h 05m

$1,298

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 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 September to fly from Perth, when ticket prices are also cheap, with an average price of $1,370.

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.

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	$620
Fastest flight time	26h 10m
Direct flights	None

The best one-way flight to Seattle from Perth in the past 72 hours is $620. The best round-trip flight deal from Perth to Seattle found on momondo in the last 72 hours is $1,165.

The fastest flight from Perth to Seattle takes 26h 10m

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 26h 10m, 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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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.