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

Philippine 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.

$602 Cheap Flights from Perth to Seattle in 2026

Find the cheapest flights from Perth to Seattle

Round-trip

One-way

Last minute

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

$1,130Multiple Airlines

Sat, Sep 5 - Sat, Sep 12

6:25 pm - 3:15 pmPER Perth-SEA Seattle/Tacoma Intl

35h 50m3 stops Singapore Changi Taipei City Taiwan Taoyuan Intl Incheon Intl

12:10 am - 4:20 amSEA Seattle/Tacoma Intl-PER Perth

61h 10m3 stops Incheon Intl Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,143Multiple Airlines

Mon, Aug 31 - Tue, Sep 8

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

$1,147Multiple Airlines

Fri, Sep 4 - Sun, Sep 13

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

$1,152Multiple Airlines

Sat, Sep 5 - Sat, Sep 12

9:55 am - 3:15 pmPER Perth-SEA Seattle/Tacoma Intl

44h 20m3 stops Singapore Changi Taipei City Taiwan Taoyuan Intl Incheon Intl

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

65h 00m3 stops Incheon Intl Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,183Multiple Airlines

Wed, Sep 2 - Thu, Sep 17

9:55 am - 4:10 pmPER Perth-SEA Seattle/Tacoma Intl

45h 15m2 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

$1,210Multiple Airlines

Wed, Sep 2 - Thu, Sep 17

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

$1,237Multiple Airlines

Fri, Sep 4 - Sat, Sep 12

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

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

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

60h 05m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,262Multiple Airlines

Sat, Sep 5 - Fri, Sep 11

9:55 am - 10:40 amPER Perth-SEA Seattle/Tacoma Intl

63h 45m3 stops Singapore Changi Taipei City Taiwan Taoyuan Intl Incheon Intl

1:55 am - 4:20 amSEA Seattle/Tacoma Intl-PER Perth

59h 25m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,263Multiple Airlines

Mon, Aug 31 - Tue, Sep 8

9:55 am - 4:10 pmPER Perth-SEA Seattle/Tacoma Intl

45h 15m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

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

60h 05m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi

$1,270Multiple Airlines

Mon, Aug 31 - Tue, Sep 8

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Singapore Airlines flights from Perth to Seattle

Our best Singapore Airlines deals on Perth to Seattle flight tickets

Singapore Airlines

Sep 2

PER1:45 pmPerth

34h 00m

1 stop

SEA8:45 amSeattle/Tacoma Intl

Sep 18

SEA10:15 amSeattle/Tacoma Intl

35h 15m

1 stop

PER12:30 pmPerth

$1,630

Singapore Airlines

Sep 2

PER4:55 pmPerth

30h 50m

1 stop

SEA8:45 amSeattle/Tacoma Intl

Sep 18

SEA10:15 amSeattle/Tacoma Intl

35h 15m

1 stop

PER12:30 pmPerth

$1,632

Singapore Airlines

Sep 2

PER6:25 amPerth

41h 20m

1 stop

SEA8:45 amSeattle/Tacoma Intl

Sep 18

SEA10:15 amSeattle/Tacoma Intl

35h 15m

1 stop

PER12:30 pmPerth

$1,652

United Airlines flights from Perth to Seattle

Our best United Airlines deals on Perth to Seattle flight tickets

United Airlines

Aug 30

PER11:45 pmPerth

31h 29m

2 stops

SEA4:14 pmSeattle/Tacoma Intl

Sep 28

SEA3:18 pmSeattle/Tacoma Intl

30h 12m

2 stops

PER12:30 pmPerth

$1,480

United Airlines

Aug 24

PER5:15 pmPerth

33h 11m

2 stops

SEA11:26 amSeattle/Tacoma Intl

Sep 28

SEA1:19 pmSeattle/Tacoma Intl

32h 11m

2 stops

PER12:30 pmPerth

$1,483

United Airlines

Aug 28

PER11:45 pmPerth

35h 58m

2 stops

SEA8:43 pmSeattle/Tacoma Intl

Sep 28

SEA4:35 pmSeattle/Tacoma Intl

28h 55m

2 stops

PER12:30 pmPerth

$1,529

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Sat 9/5

5:35 am-10:40 am

3 stops68h 05m

Seattle/Tacoma Intl

Sat 9/12

12:50 pm-5:10 pm

3 stops61h 20m

$1,130

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 8/31

6:25 pm-3:15 pm

3 stops35h 50m

Seattle/Tacoma Intl

Tue 9/8

12:10 am-4:20 am

3 stops61h 10m

$1,143

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

$1,147

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Sat 9/5

5:35 am-10:40 am

3 stops68h 05m

Seattle/Tacoma Intl

Sat 9/12

12:50 pm-5:10 pm

3 stops61h 20m

$1,152

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 9/2

9:55 am-3:15 pm

3 stops44h 20m

Seattle/Tacoma Intl

Thu 9/17

12:10 am-8:10 am

3 stops65h 00m

$1,183

Quickest round-trip

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Wed 9/2

9:55 am-4:10 pm

2 stops45h 15m

Seattle/Tacoma Intl

Thu 9/17

1:15 am-4:20 am

2 stops36h 05m

$1,210

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

$1,237

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Sat 9/5

5:35 am-4:10 pm

2 stops49h 35m

Seattle/Tacoma Intl

Fri 9/11

1:15 am-4:20 am

2 stops60h 05m

$1,262

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 8/31

9:55 am-10:40 am

3 stops63h 45m

Seattle/Tacoma Intl

Tue 9/8

1:55 am-4:20 am

2 stops59h 25m

$1,263

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 8/31

9:55 am-4:10 pm

2 stops45h 15m

Seattle/Tacoma Intl

Tue 9/8

1:15 am-4:20 am

2 stops60h 05m

$1,270

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 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 August to fly from Perth, when ticket prices are also cheap, with an average price of $1,116.

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	37h 35m
Direct flights	None

The fastest flight from Perth to Seattle takes 37h 35m

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 37h 35m, 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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Kent

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Puyallup

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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.