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

Qantas Airways and American Airlines 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.

$668 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 $1,320 to $1,497. The lowest price recently found on this route was $1,202.

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.

8:30 am - 6:35 pm

PER

SEA

26h 05m

1 stop

11:55 pm - 7:15 am

SEA

PER

39h 20m

1 stop

$1,202Philippine Airlines

jue., nov. 5 - lun., nov. 9

8:30 am - 6:35 pm

PER

SEA

26h 05m

1 stop

11:55 pm - 7:15 am

SEA

PER

39h 20m

1 stop

$1,203Philippine Airlines

jue., nov. 5 - lun., nov. 9

8:30 am - 6:35 pm

PER

SEA

26h 05m

1 stop

11:55 pm - 7:15 am

SEA

PER

39h 20m

1 stop

$1,204Philippine Airlines

jue., nov. 5 - lun., nov. 9

1:10 am - 8:45 am

PER

SEA

22h 35m

1 stop

8:45 am - 5:25 am

SEA

PER

28h 40m

1 stop

$1,245Singapore Airlines

vie., oct. 23 - vie., nov. 13

10:55 pm - 3:45 pm

PER

SEA

31h 50m

2 stops

10:15 am - 4:20 am

SEA

PER

27h 05m

1 stop

$1,277Multiple Airlines

jue., ago. 20 - jue., ago. 27

10:30 am - 9:58 pm

PER

SEA

26h 28m

2 stops

6:10 pm - 1:35 pm

SEA

PER

28h 25m

2 stops

$1,304Qantas Airways

mar., jul. 21 - mar., jul. 28

10:30 am - 7:39 pm

PER

SEA

24h 09m

2 stops

5:02 pm - 12:25 pm

SEA

PER

28h 23m

2 stops

$1,307Multiple Airlines

jue., sep. 3 - mar., sep. 15

10:55 pm - 3:15 pm

PER

SEA

31h 20m

2 stops

10:15 am - 4:20 am

SEA

PER

27h 05m

1 stop

$1,312Multiple Airlines

jue., sep. 3 - mar., sep. 15

10:30 am - 8:56 pm

PER

SEA

25h 26m

2 stops

5:10 pm - 5:00 pm

SEA

PER

32h 50m

2 stops

$1,318Qantas Airways

mar., ago. 11 - mar., ago. 18

10:35 am - 9:58 pm

PER

SEA

26h 23m

2 stops

6:10 pm - 3:25 pm

SEA

PER

30h 15m

2 stops

$1,323Qantas Airways

mié., jul. 15 - mié., jul. 29

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Singapore Airlines flights from Perth to Seattle

Our best Singapore Airlines deals on Perth to Seattle flight tickets

Singapore Airlines

Oct 23

PER1:10 amPerth

22h 35m

1 stop

SEA8:45 amSeattle/Tacoma Intl

Nov 13

SEA8:45 amSeattle/Tacoma Intl

28h 40m

1 stop

PER5:25 amPerth

$1,245

Singapore Airlines

Oct 9

PER6:25 amPerth

41h 20m

1 stop

SEA8:45 amSeattle/Tacoma Intl

Oct 30

SEA9:45 amSeattle/Tacoma Intl

28h 40m

1 stop

PER5:25 amPerth

$1,512

United Airlines flights from Perth to Seattle

Our best United Airlines deals on Perth to Seattle flight tickets

United Airlines

Jul 13

PER11:45 pmPerth

31h 35m

2 stops

SEA4:20 pmSeattle/Tacoma Intl

Jul 29

SEA5:04 pmSeattle/Tacoma Intl

27h 36m

2 stops

PER11:40 amPerth

$1,444

United Airlines

Aug 11

PER3:30 pmPerth

44h 45m

3 stops

SEA9:15 pmSeattle/Tacoma Intl

Aug 18

SEA3:30 pmSeattle/Tacoma Intl

32h 10m

2 stops

PER2:40 pmPerth

$1,452

United Airlines

Aug 20

PER11:45 pmPerth

36h 30m

3 stops

SEA9:15 pmSeattle/Tacoma Intl

Aug 27

SEA9:05 amSeattle/Tacoma Intl

38h 35m

2 stops

PER2:40 pmPerth

$1,620

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

jue. 11/5

8:30 am-6:35 pm

1 stop26h 05m

Seattle/Tacoma Intl

lun. 11/9

11:55 pm-7:15 am

1 stop39h 20m

$1,202

PerthSeattle

PER - SEA

PERSEA

Perth

jue. 11/5

8:30 am-6:35 pm

1 stop26h 05m

Seattle/Tacoma Intl

lun. 11/9

11:55 pm-7:15 am

1 stop39h 20m

$1,203

PerthSeattle

PER - SEA

PERSEA

Perth

jue. 11/5

8:30 am-6:35 pm

1 stop26h 05m

Seattle/Tacoma Intl

lun. 11/9

11:55 pm-7:15 am

1 stop39h 20m

$1,204

Quickest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

vie. 10/23

1:10 am-8:45 am

1 stop22h 35m

Seattle/Tacoma Intl

vie. 11/13

8:45 am-5:25 am

1 stop28h 40m

$1,245

PerthSeattle

PER - SEA

PERSEA

Perth

jue. 8/20

10:55 pm-3:45 pm

2 stops31h 50m

Seattle/Tacoma Intl

jue. 8/27

10:15 am-4:20 am

1 stop27h 05m

$1,277

PerthSeattle

PER - SEA

PERSEA

Perth

mar. 7/21

10:30 am-9:58 pm

2 stops26h 28m

Seattle/Tacoma Intl

mar. 7/28

6:10 pm-1:35 pm

2 stops28h 25m

$1,304

PerthSeattle

PER - SEA

PERSEA

Perth

jue. 9/3

10:30 am-7:39 pm

2 stops24h 09m

Seattle/Tacoma Intl

mar. 9/15

5:02 pm-12:25 pm

2 stops28h 23m

$1,307

PerthSeattle

PER - SEA

PERSEA

Perth

jue. 9/3

10:55 pm-3:15 pm

2 stops31h 20m

Seattle/Tacoma Intl

mar. 9/15

10:15 am-4:20 am

1 stop27h 05m

$1,312

PerthSeattle

PER - SEA

PERSEA

Perth

mar. 8/11

10:30 am-8:56 pm

2 stops25h 26m

Seattle/Tacoma Intl

mar. 8/18

5:10 pm-5:00 pm

2 stops32h 50m

$1,318

PerthSeattle

PER - SEA

PERSEA

Perth

mié. 7/15

10:35 am-9:58 pm

2 stops26h 23m

Seattle/Tacoma Intl

mié. 7/29

6:10 pm-3:25 pm

2 stops30h 15m

$1,323

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 $939. 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 29% on your flight if you consider stops on a Perth to Seattle flight.

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

Fastest flight time	26h 05m
Direct flights	None

The fastest flight from Perth to Seattle takes 26h 05m

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 05m, 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

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SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Lakewood

Puyallup

Tukwila

Cle Elum

Federal Way

Fife

Marysville

Centralia

Kirkland

Shoreline

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.