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

Qantas Airways and ANA 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.

$611 Cheap Flights from Perth to Seattle in 2025/26

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10:30 am - 9:55 amPER-SEA

39h 25m2 stops

12:30 pm - 11:55 pmSEA-PER

43h 25m2 stops

$939Japan Airlines

Find Deal

Sun, Feb 1 - Tue, Mar 3

10:40 pm - 12:29 pmPER-SEA

29h 49m2 stops

6:00 am - 4:45 pmSEA-PER

42h 45m2 stops

$1,008Qantas Airways

Find Deal

Sat, Jan 24 - Fri, Jan 30

10:30 pm - 9:31 amPER-SEA

27h 01m2 stops

3:40 pm - 10:15 pmSEA-PER

39h 35m2 stops

$1,009Multiple Airlines

Find Deal

Fri, Feb 20 - Tue, Mar 24

3:15 pm - 9:31 amPER-SEA

34h 16m2 stops

10:05 am - 10:15 pmSEA-PER

45h 10m2 stops

$1,013Multiple Airlines

Find Deal

Sat, Feb 21 - Tue, Mar 24

10:30 am - 9:55 amPER-SEA

39h 25m2 stops

1:30 pm - 11:55 pmSEA-PER

43h 25m2 stops

$1,051Japan Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

12:25 am - 9:55 amPER-SEA

25h 30m2 stops

1:30 pm - 11:55 pmSEA-PER

43h 25m2 stops

$1,053Japan Airlines

Find Deal

Wed, Mar 4 - Mon, Mar 9

12:15 pm - 9:02 pmPER-SEA

24h 47m2 stops

7:00 am - 9:20 amSEA-PER

34h 20m2 stops

$1,062Multiple Airlines

Find Deal

Fri, Jan 23 - Fri, Jan 30

12:15 pm - 9:02 pmPER-SEA

24h 47m2 stops

7:00 am - 8:15 amSEA-PER

33h 15m2 stops

$1,073Multiple Airlines

Find Deal

Fri, Jan 23 - Sat, Jan 31

8:00 am - 5:19 amPER-SEA

37h 19m2 stops

7:00 am - 8:20 pmSEA-PER

45h 20m2 stops

$1,093Alaska Airlines

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Fri, Jan 23 - Fri, Jan 30

10:30 am - 10:49 pmPER-SEA

27h 19m2 stops

5:40 pm - 12:05 pmSEA-PER

27h 25m2 stops

$1,096Qantas Airways

Find Deal

Fri, Apr 17 - Sat, Apr 25

Singapore Airlines flights from Perth to Seattle

Our best Singapore Airlines deals on Perth to Seattle flight tickets

Singapore Airlines

Apr 16

PER1:10 amPerth

22h 35m

1 stop

SEA8:45 amSeattle/Tacoma Intl

Apr 25

SEA10:15 amSeattle/Tacoma Intl

27h 55m

1 stop

PER5:10 amPerth

$1,132

Find similar

Singapore Airlines

Feb 19

PER1:15 amPerth

21h 55m

1 stop

SEA7:10 amSeattle/Tacoma Intl

Mar 24

SEA9:45 amSeattle/Tacoma Intl

38h 00m

1 stop

PER2:45 pmPerth

$1,149

Find similar

Singapore Airlines

Feb 1

PER5:05 pmPerth

54h 05m

1 stop

SEA7:10 amSeattle/Tacoma Intl

Mar 3

SEA8:45 amSeattle/Tacoma Intl

28h 40m

1 stop

PER5:25 amPerth

$1,288

Find similar

Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets

Japan Airlines

Feb 1

PER10:30 amPerth

39h 25m

2 stops

SEA9:55 amSeattle/Tacoma Intl

Mar 3

SEA12:30 pmSeattle/Tacoma Intl

43h 25m

2 stops

PER11:55 pmPerth

$939

Find similar

Japan Airlines

Mar 5

PER10:30 amPerth

39h 25m

2 stops

SEA9:55 amSeattle/Tacoma Intl

Mar 9

SEA1:30 pmSeattle/Tacoma Intl

43h 25m

2 stops

PER11:55 pmPerth

$1,051

Find similar

Japan Airlines

Mar 4

PER12:25 amPerth

25h 30m

2 stops

SEA9:55 amSeattle/Tacoma Intl

Mar 9

SEA1:30 pmSeattle/Tacoma Intl

43h 25m

2 stops

PER11:55 pmPerth

$1,053

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 2/1

10:30 am-9:55 am

2 stops39h 25m

Seattle/Tacoma Intl

Tue 3/3

12:30 pm-11:55 pm

2 stops43h 25m

$939

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 1/24

10:40 pm-12:29 pm

2 stops29h 49m

Seattle/Tacoma Intl

Fri 1/30

6:00 am-4:45 pm

2 stops42h 45m

$1,008

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 2/20

10:30 pm-9:31 am

2 stops27h 01m

Seattle/Tacoma Intl

Tue 3/24

3:40 pm-10:15 pm

2 stops39h 35m

$1,009

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 2/21

3:15 pm-9:31 am

2 stops34h 16m

Seattle/Tacoma Intl

Tue 3/24

10:05 am-10:15 pm

2 stops45h 10m

$1,013

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/5

10:30 am-9:55 am

2 stops39h 25m

Seattle/Tacoma Intl

Mon 3/9

1:30 pm-11:55 pm

2 stops43h 25m

$1,051

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 3/4

12:25 am-9:55 am

2 stops25h 30m

Seattle/Tacoma Intl

Mon 3/9

1:30 pm-11:55 pm

2 stops43h 25m

$1,053

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 1/23

12:15 pm-9:02 pm

2 stops24h 47m

Seattle/Tacoma Intl

Fri 1/30

7:00 am-9:20 am

2 stops34h 20m

$1,062

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 1/23

12:15 pm-9:02 pm

2 stops24h 47m

Seattle/Tacoma Intl

Sat 1/31

7:00 am-8:15 am

2 stops33h 15m

$1,073

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 1/23

8:00 am-5:19 am

2 stops37h 19m

Seattle/Tacoma Intl

Fri 1/30

7:00 am-8:20 pm

2 stops45h 20m

$1,093

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 4/17

10:30 am-10:49 pm

2 stops27h 19m

Seattle/Tacoma Intl

Sat 4/25

5:40 pm-12:05 pm

2 stops27h 25m

$1,096

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, September 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 $1,137. If you don’t want to visit Seattle in September, then you should wait until October to fly from Perth, when ticket prices are also cheap, with an average price of $1,164.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Perth when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,345 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Perth for as low as $1,119 on momondo.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 26% 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	25h 05m
Direct flights	None

The fastest flight from Perth to Seattle takes 25h 05m

There are no direct flights from Perth to Seattle. There are no popular flight routes from Perth to Seattle.

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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 21h 55m, 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

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Tukwila

Redmond

Cle Elum

Federal Way

Lakewood

Fife

Centralia

Westport

Kirkland

Shoreline

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.