Cheap flights from Perth to Seattle from $896
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Perth to Seattle departing on 28/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Mon 23/11
08:35-18:45
1 stop26h 10m
Seattle/Tacoma Intl
Mon 30/11
21:30-07:20
1 stop41h 50m
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Mon 26/10
08:35-19:45
1 stop26h 10m
Seattle/Tacoma Intl
Wed 2/12
21:30-07:20
1 stop41h 50m
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Mon 2/11
08:35-18:45
1 stop26h 10m
Seattle/Tacoma Intl
Mon 9/11
21:30-07:20
1 stop41h 50m
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Mon 26/10
23:45-20:47
2 stops36h 02m
Seattle/Tacoma Intl
Wed 2/12
17:35-16:50
2 stops31h 15m
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Mon 2/11
23:45-16:27
2 stops32h 42m
Seattle/Tacoma Intl
Mon 9/11
23:59-11:20
2 stops43h 21m
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Sat 21/11
13:50-07:05
1 stop33h 15m
Seattle/Tacoma Intl
Sat 28/11
08:40-12:35
1 stop35h 55m
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Fri 20/11
17:05-07:05
1 stop30h 00m
Seattle/Tacoma Intl
Fri 27/11
08:40-12:35
1 stop35h 55m
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Wed 21/10
13:45-08:25
1 stop33h 40m
Seattle/Tacoma Intl
Sat 24/10
09:55-00:05
1 stop47h 10m
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Wed 21/10
12:15-10:35
2 stops37h 20m
Seattle/Tacoma Intl
Sun 25/10
13:00-22:55
2 stops42h 55m
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Wed 21/10
16:55-08:25
1 stop30h 30m
Seattle/Tacoma Intl
Sun 25/10
09:40-00:05
1 stop23h 25m
See travel insights to Seattle from
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
What is the cheapest month to fly to Seattle?
The month of February is, on average, the cheapest month to fly to Seattle from Perth, with most prices found around $1,554. If you are unable to visit Seattle during the month of February, then departing from Perth during the month September is also very affordable. Most momondo users find prices during this month for around $1,970.
Can stopping save me money on Perth to Seattle flights?
You could potentially save up to 42% on your flight if you consider stops on a Perth to Seattle flight.
What is the cheapest airline that flies from Perth to Seattle/Tacoma Intl?
Virgin Australia, United Airlines, and Philippine Airlines are the most popular carriers operating from Perth to Seattle/Tacoma Intl
Which airlines fly to Seattle?
Singapore Airlines, Japan Airlines and Qantas Airways are the top three most popular airlines that fly to Seattle from Perth according to our data. Singapore Airlines is the first choice among our users, with 38% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
When to book flights from Perth to Seattle
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
Frequently asked questions about flying from Perth to Seattle
How far is Perth to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 14868.9 km away from Perth. A reasonable flight in good conditions will take 26h 10m.
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 are updated daily.
How many operators does momondo search for flights from Perth Airport to Seattle/Tacoma Intl Airport?
As of October 2026, there are 3 operators available to choose from for flights from Perth Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Perth Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 licence 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.
What is the most popular airline from Perth to Seattle?
Based on momondo bookings for flights between Perth and Seattle, the leading airline is Singapore Airlines, making up 38% of the total bookings. Other popular airlines include Japan Airlines with 36% and Qantas Airways with 26%.
Best airlines flying from Perth to Seattle
Compare and see reviews for airlines that fly from Perth to Seattle with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,306 | Free cancellation | Rating 8.3 1,935 reviews | |||
| PriceFrom $1,607 | Free cancellation | Rating 7.5 1,106 reviews | |||
| PriceFrom $1,718 | Free cancellation | Rating 8.2 1,624 reviews |
Travelling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Perth to Seattle?
Finding the right flight to Seattle from Perth is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.
Can I find flights from Perth to Seattle with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Perth to Seattle flights to just show those with flexible booking policies.
How can momondo help me find flights from Perth to Seattle?
Once all potential Perth to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Perth to Seattle right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Perth to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.