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

Qantas Airways and Singapore 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.

$673 Cheap Flights from Perth to Seattle in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

12:10 am - 10:25 am

PER

SEA

25h 15m2 stops

1:30 pm - 12:40 am

SEA

PER

44h 10m2 stops

$1,066Japan Airlines

Sat, May 2 - Wed, May 6

12:10 am - 10:25 am

PER

SEA

25h 15m2 stops

1:30 pm - 12:40 am

SEA

PER

44h 10m2 stops

$1,067Japan Airlines

Sat, May 2 - Wed, May 6

9:40 am - 6:40 pm

PER

SEA

49h 00m2 stops

10:30 pm - 7:20 am

SEA

PER

41h 50m1 stop

$1,080Multiple Airlines

Tue, Feb 3 - Fri, Mar 13

4:45 pm - 6:10 pm

PER

SEA

41h 25m2 stops

12:10 am - 1:15 am

SEA

PER

33h 05m2 stops

$1,135Multiple Airlines

Fri, Jan 30 - Thu, Feb 5

11:10 pm - 2:31 pm

PER

SEA

31h 21m2 stops

9:45 am - 4:30 am

SEA

PER

27h 45m2 stops

$1,165Multiple Airlines

Tue, Feb 3 - Fri, Mar 13

8:40 pm - 2:31 pm

PER

SEA

33h 51m3 stops

9:45 am - 4:30 am

SEA

PER

27h 45m2 stops

$1,179Multiple Airlines

Tue, Feb 3 - Fri, Mar 13

1:15 am - 7:10 am

PER

SEA

21h 55m1 stop

9:45 am - 2:45 pm

SEA

PER

38h 00m1 stop

$1,267Singapore Airlines

Mon, Feb 2 - Fri, Mar 13

11:10 pm - 6:40 pm

PER

SEA

35h 30m3 stops

12:45 am - 4:30 am

SEA

PER

36h 45m3 stops

$1,285Multiple Airlines

Tue, Feb 3 - Thu, Mar 12

1:15 am - 7:10 am

PER

SEA

21h 55m1 stop

8:45 am - 12:35 pm

SEA

PER

35h 50m1 stop

$1,541Singapore Airlines

Thu, Jan 29 - Fri, Feb 6

11:10 pm - 6:10 pm

PER

SEA

35h 00m3 stops

12:10 am - 1:15 am

SEA

PER

33h 05m2 stops

$1,542Multiple Airlines

Fri, Jan 30 - Thu, Feb 5

Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets

Japan Airlines

May 2

PER12:10 amPerth

25h 15m

2 stops

SEA10:25 amSeattle/Tacoma Intl

May 6

SEA1:30 pmSeattle/Tacoma Intl

44h 10m

2 stops

PER12:40 amPerth

$1,066

Find similar

Japan Airlines

May 2

PER12:10 amPerth

25h 15m

2 stops

SEA10:25 amSeattle/Tacoma Intl

May 6

SEA1:30 pmSeattle/Tacoma Intl

44h 10m

2 stops

PER12:40 amPerth

$1,067

Find similar

Japan Airlines

May 27

PER12:10 amPerth

25h 15m

2 stops

SEA10:25 amSeattle/Tacoma Intl

Jun 1

SEA1:30 pmSeattle/Tacoma Intl

27h 15m

2 stops

PER7:45 amPerth

$1,185

Find similar

Singapore Airlines flights from Perth to Seattle

Our best Singapore Airlines deals on Perth to Seattle flight tickets

Singapore Airlines

Feb 2

PER1:15 amPerth

21h 55m

1 stop

SEA7:10 amSeattle/Tacoma Intl

Mar 13

SEA9:45 amSeattle/Tacoma Intl

38h 00m

1 stop

PER2:45 pmPerth

$1,267

Find similar

Singapore Airlines

Jan 29

PER1:15 amPerth

21h 55m

1 stop

SEA7:10 amSeattle/Tacoma Intl

Feb 6

SEA8:45 amSeattle/Tacoma Intl

35h 50m

1 stop

PER12:35 pmPerth

$1,541

Find similar

Singapore Airlines

Feb 1

PER5:05 pmPerth

54h 05m

1 stop

SEA7:10 amSeattle/Tacoma Intl

Feb 8

SEA8:45 amSeattle/Tacoma Intl

28h 40m

1 stop

PER5:25 amPerth

$1,650

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 5/2

12:10 am-10:25 am

2 stops25h 15m

Seattle/Tacoma Intl

Wed 5/6

1:30 pm-12:40 am

2 stops44h 10m

$1,066

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 5/2

12:10 am-10:25 am

2 stops25h 15m

Seattle/Tacoma Intl

Wed 5/6

1:30 pm-12:40 am

2 stops44h 10m

$1,067

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 2/3

9:40 am-6:40 pm

2 stops49h 00m

Seattle/Tacoma Intl

Fri 3/13

10:30 pm-7:20 am

1 stop41h 50m

$1,080

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 1/30

4:45 pm-6:10 pm

2 stops41h 25m

Seattle/Tacoma Intl

Thu 2/5

12:10 am-1:15 am

2 stops33h 05m

$1,135

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 2/3

11:10 pm-2:31 pm

2 stops31h 21m

Seattle/Tacoma Intl

Fri 3/13

9:45 am-4:30 am

2 stops27h 45m

$1,165

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 2/3

8:40 pm-2:31 pm

3 stops33h 51m

Seattle/Tacoma Intl

Fri 3/13

9:45 am-4:30 am

2 stops27h 45m

$1,179

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 2/2

1:15 am-7:10 am

1 stop21h 55m

Seattle/Tacoma Intl

Fri 3/13

9:45 am-2:45 pm

1 stop38h 00m

$1,267

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 2/3

11:10 pm-6:40 pm

3 stops35h 30m

Seattle/Tacoma Intl

Thu 3/12

12:45 am-4:30 am

3 stops36h 45m

$1,285

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 1/29

1:15 am-7:10 am

1 stop21h 55m

Seattle/Tacoma Intl

Fri 2/6

8:45 am-12:35 pm

1 stop35h 50m

$1,541

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 1/30

11:10 pm-6:10 pm

3 stops35h 00m

Seattle/Tacoma Intl

Thu 2/5

12:10 am-1:15 am

2 stops33h 05m

$1,542

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 $1,138. 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 $1,330 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	37h 00m
Direct flights	None

The fastest flight from Perth to Seattle takes 37h 00m

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

Search flight deals

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 00m, 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

Marysville

Puyallup

Redmond

Tukwila

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.