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

Singapore Airlines is the most popular carrier 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.

$761 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 - 4:10 pmPER Perth-SEA Seattle/Tacoma Intl

25h 35m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

12:45 am - 4:35 pmSEA Seattle/Tacoma Intl-PER Perth

48h 50m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,196Multiple Airlines

Thu, Oct 22 - Sun, Oct 25

8:35 am - 8:05 pmPER Perth-SEA Seattle/Tacoma Intl

26h 30m1 stop Manila Ninoy Aquino Intl

11:10 pm - 7:20 amSEA Seattle/Tacoma Intl-PER Perth

41h 10m1 stop Manila Ninoy Aquino Intl

$1,201Philippine Airlines

Thu, Oct 8 - Fri, Oct 23

8:35 am - 8:05 pmPER Perth-SEA Seattle/Tacoma Intl

26h 30m1 stop Manila Ninoy Aquino Intl

10:30 pm - 7:20 amSEA Seattle/Tacoma Intl-PER Perth

41h 50m1 stop Manila Ninoy Aquino Intl

$1,239Philippine Airlines

Thu, Oct 22 - Mon, Oct 26

8:35 am - 8:05 pmPER Perth-SEA Seattle/Tacoma Intl

26h 30m1 stop Manila Ninoy Aquino Intl

10:30 pm - 7:20 amSEA Seattle/Tacoma Intl-PER Perth

41h 50m1 stop Manila Ninoy Aquino Intl

$1,241Philippine Airlines

Thu, Oct 22 - Mon, Oct 26

1:10 am - 8:45 amPER Perth-SEA Seattle/Tacoma Intl

22h 35m1 stop Singapore Changi

8:40 am - 5:25 amSEA Seattle/Tacoma Intl-PER Perth

28h 45m1 stop Singapore Changi

$1,250Singapore Airlines

Mon, Oct 12 - Wed, Nov 11

6:25 pm - 10:40 amPER Perth-SEA Seattle/Tacoma Intl

55h 15m3 stops Singapore Changi Taipei City Taiwan Taoyuan Intl Incheon Intl

12:50 pm - 4:20 amSEA Seattle/Tacoma Intl-PER Perth

48h 30m3 stops Incheon Intl Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,272Multiple Airlines

Mon, Oct 5 - Mon, Oct 12

9:30 am - 8:45 amPER Perth-SEA Seattle/Tacoma Intl

38h 15m1 stop Singapore Changi

12:00 pm - 7:40 pmSEA Seattle/Tacoma Intl-PER Perth

40h 40m2 stops Incheon Intl Singapore Changi

$1,274Multiple Airlines

Thu, Oct 22 - Mon, Oct 26

12:45 am - 6:10 pmPER Perth-SEA Seattle/Tacoma Intl

33h 25m2 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl

12:10 am - 4:25 pmSEA Seattle/Tacoma Intl-PER Perth

48h 15m2 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City

$1,294Multiple Airlines

Sat, Nov 28 - Mon, Dec 14

6:25 pm - 7:15 pmPER Perth-SEA Seattle/Tacoma Intl

39h 50m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

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

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

$1,310Multiple Airlines

Mon, Oct 5 - Sun, Oct 11

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

39h 05m2 stops Ho Chi Minh City Incheon Intl

11:45 am - 6:50 amSEA Seattle/Tacoma Intl-PER Perth

28h 05m1 stop Hong Kong Intl

$1,312Multiple Airlines

Thu, Sep 10 - Wed, Sep 16

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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 8

PER8:35 amPerth

26h 30m

1 stop

SEA8:05 pmSeattle/Tacoma Intl

Oct 23

SEA11:10 pmSeattle/Tacoma Intl

41h 10m

1 stop

PER7:20 amPerth

$1,201

Philippine Airlines

Oct 22

PER8:35 amPerth

26h 30m

1 stop

SEA8:05 pmSeattle/Tacoma Intl

Oct 26

SEA10:30 pmSeattle/Tacoma Intl

41h 50m

1 stop

PER7:20 amPerth

$1,239

Philippine Airlines

Oct 22

PER8:35 amPerth

26h 30m

1 stop

SEA8:05 pmSeattle/Tacoma Intl

Oct 26

SEA10:30 pmSeattle/Tacoma Intl

41h 50m

1 stop

PER7:20 amPerth

$1,241

Singapore Airlines flights from Perth to Seattle

Our best Singapore Airlines deals on Perth to Seattle flight tickets

Singapore Airlines

Oct 12

PER1:10 amPerth

22h 35m

1 stop

SEA8:45 amSeattle/Tacoma Intl

Nov 11

SEA8:40 amSeattle/Tacoma Intl

28h 45m

1 stop

PER5:25 amPerth

$1,250

Singapore Airlines

Oct 21

PER1:45 pmPerth

34h 00m

1 stop

SEA8:45 amSeattle/Tacoma Intl

Oct 25

SEA9:40 amSeattle/Tacoma Intl

35h 55m

1 stop

PER12:35 pmPerth

$1,684

Singapore Airlines

Oct 21

PER1:45 pmPerth

34h 00m

1 stop

SEA8:45 amSeattle/Tacoma Intl

Oct 25

SEA9:40 amSeattle/Tacoma Intl

35h 55m

1 stop

PER12:35 pmPerth

$1,689

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/22

5:35 am-4:10 pm

2 stops25h 35m

Seattle/Tacoma Intl

Sun 10/25

12:45 am-4:35 pm

2 stops48h 50m

$1,196

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/8

8:35 am-8:05 pm

1 stop26h 30m

Seattle/Tacoma Intl

Fri 10/23

11:10 pm-7:20 am

1 stop41h 10m

$1,201

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/22

8:35 am-8:05 pm

1 stop26h 30m

Seattle/Tacoma Intl

Mon 10/26

10:30 pm-7:20 am

1 stop41h 50m

$1,239

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/22

8:35 am-8:05 pm

1 stop26h 30m

Seattle/Tacoma Intl

Mon 10/26

10:30 pm-7:20 am

1 stop41h 50m

$1,241

Quickest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 10/12

1:10 am-8:45 am

1 stop22h 35m

Seattle/Tacoma Intl

Wed 11/11

8:40 am-5:25 am

1 stop28h 45m

$1,250

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 10/5

6:25 pm-10:40 am

3 stops55h 15m

Seattle/Tacoma Intl

Mon 10/12

12:50 pm-4:20 am

3 stops48h 30m

$1,272

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 10/22

9:30 am-8:45 am

1 stop38h 15m

Seattle/Tacoma Intl

Mon 10/26

12:00 pm-7:40 pm

2 stops40h 40m

$1,274

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Sat 11/28

12:45 am-6:10 pm

2 stops33h 25m

Seattle/Tacoma Intl

Mon 12/14

12:10 am-4:25 pm

2 stops48h 15m

$1,294

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 10/5

6:25 pm-7:15 pm

2 stops39h 50m

Seattle/Tacoma Intl

Sun 10/11

1:15 am-5:10 pm

2 stops48h 55m

$1,310

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 9/10

10:35 am-10:40 am

2 stops39h 05m

Seattle/Tacoma Intl

Wed 9/16

11:45 am-6:50 am

1 stop28h 05m

$1,312

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,064 to $1,550.
The lowest price recently found on this route was $1,196.

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 November 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 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

Best Price Found	$761
Fastest flight time	39h 07m
Direct flights	None

The best one-way flight to Seattle from Perth in the past 72 hours is $761. The best round-trip flight deal from Perth to Seattle found on momondo in the last 72 hours is $1,196.

The fastest flight from Perth to Seattle takes 39h 07m

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 39h 07m, 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.