Cheap flights from Perth to Seattle from $891

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 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Perth to Seattle (PER-SEA)

Cheap return flights

Japan Airlines Logo
12:25 - 10:25PER-SEA
37h 00m2 stops
Japan Airlines Logo
13:30 - 00:40SEA-PER
44h 10m2 stops
$1,440Japan Airlines
Find Deal
Sun, 12 Oct - Sun, 19 Oct
Japan Airlines Logo
12:25 - 10:25PER-SEA
37h 00m2 stops
Japan Airlines Logo
13:30 - 00:40SEA-PER
44h 10m2 stops
$1,468Japan Airlines
Find Deal
Sun, 12 Oct - Sun, 19 Oct
Japan Airlines Logo
00:10 - 10:25PER-SEA
25h 15m2 stops
Japan Airlines Logo
13:30 - 00:40SEA-PER
44h 10m2 stops
$1,473Japan Airlines
Find Deal
Wed, 3 Sep - Thu, 18 Sep
Japan Airlines Logo
12:25 - 10:25PER-SEA
37h 00m2 stops
Japan Airlines Logo
13:30 - 00:40SEA-PER
44h 10m2 stops
$1,525Japan Airlines
Find Deal
Thu, 4 Sep - Thu, 18 Sep
 Logo
21:55 - 16:10PER-SEA
33h 15m2 stops
 Logo
01:15 - 20:40SEA-PER
28h 25m2 stops
$1,530
Find Deal
Thu, 4 Sep - Wed, 17 Sep
Japan Airlines Logo
00:10 - 10:25PER-SEA
25h 15m2 stops
Japan Airlines Logo
13:30 - 00:40SEA-PER
44h 10m2 stops
$1,554Japan Airlines
Find Deal
Wed, 3 Sep - Thu, 18 Sep
 Logo
21:55 - 16:10PER-SEA
33h 15m2 stops
 Logo
01:15 - 20:40SEA-PER
52h 25m2 stops
$1,832
Find Deal
Thu, 4 Sep - Wed, 17 Sep
Singapore Airlines Logo
17:10 - 08:45PER-SEA
54h 35m1 stop
Singapore Airlines Logo
10:15 - 05:10SEA-PER
27h 55m1 stop
$2,182Singapore Airlines
Find Deal
Sun, 12 Oct - Sun, 19 Oct
Qatar Airways Logo
16:10 - 12:45PER-SEA
35h 35m1 stop
Qatar Airways Logo
16:30 - 11:55SEA-PER
28h 25m1 stop
$2,261Qatar Airways
Find Deal
Thu, 4 Sep - Thu, 18 Sep
Qatar Airways Logo
22:45 - 12:45PER-SEA
29h 00m1 stop
Qatar Airways Logo
16:30 - 18:40SEA-PER
35h 10m1 stop
$2,374Qatar Airways
Find Deal
Wed, 1 Oct - Wed, 8 Oct

Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets
Japan Airlines
12 Oct
PER12:25Perth
37h 00m
2 stops
SEA10:25Seattle/Tacoma Intl
19 Oct
SEA13:30Seattle/Tacoma Intl
44h 10m
2 stops
PER00:40Perth
Japan Airlines
12 Oct
PER12:25Perth
37h 00m
2 stops
SEA10:25Seattle/Tacoma Intl
19 Oct
SEA13:30Seattle/Tacoma Intl
44h 10m
2 stops
PER00:40Perth
Japan Airlines
3 Sept
PER00:10Perth
25h 15m
2 stops
SEA10:25Seattle/Tacoma Intl
18 Sept
SEA13:30Seattle/Tacoma Intl
44h 10m
2 stops
PER00:40Perth

Singapore Airlines flights from Perth to Seattle

Our best Singapore Airlines deals on Perth to Seattle flight tickets
Singapore Airlines
12 Oct
PER17:10Perth
54h 35m
1 stop
SEA08:45Seattle/Tacoma Intl
19 Oct
SEA10:15Seattle/Tacoma Intl
27h 55m
1 stop
PER05:10Perth
Singapore Airlines
31 Aug
PER01:10Perth
45h 57m
2 stops
SEA08:07Seattle/Tacoma Intl
15 Sept
SEA07:00Seattle/Tacoma Intl
31h 10m
2 stops
PER05:10Perth
Singapore Airlines
31 Aug
PER01:10Perth
37h 56m
3 stops
SEA00:06Seattle/Tacoma Intl
16 Sept
SEA18:05Seattle/Tacoma Intl
29h 35m
2 stops
PER14:40Perth

momondo Fare Finder

 
Customise your flight search to find flights from Perth to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 18 August 2025.
Use the filters below to find and compare flights from Perth to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 12/10

12:25-10:25

2 stops37h 00m

Seattle/Tacoma Intl

Sun 19/10

13:30-00:40

2 stops44h 10m

$1,440

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 12/10

12:25-10:25

2 stops37h 00m

Seattle/Tacoma Intl

Sun 19/10

13:30-00:40

2 stops44h 10m

$1,468

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 3/9

00:10-10:25

2 stops25h 15m

Seattle/Tacoma Intl

Thu 18/9

13:30-00:40

2 stops44h 10m

$1,473

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 4/9

12:25-10:25

2 stops37h 00m

Seattle/Tacoma Intl

Thu 18/9

13:30-00:40

2 stops44h 10m

$1,525

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 4/9

21:55-16:10

2 stops33h 15m

Seattle/Tacoma Intl

Wed 17/9

01:15-20:40

2 stops28h 25m

$1,530

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 3/9

00:10-10:25

2 stops25h 15m

Seattle/Tacoma Intl

Thu 18/9

13:30-00:40

2 stops44h 10m

$1,554

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 4/9

21:55-16:10

2 stops33h 15m

Seattle/Tacoma Intl

Wed 17/9

01:15-20:40

2 stops52h 25m

$1,832

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 12/10

17:10-08:45

1 stop54h 35m

Seattle/Tacoma Intl

Sun 19/10

10:15-05:10

1 stop27h 55m

$2,182

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 4/9

16:10-12:45

1 stop35h 35m

Seattle/Tacoma Intl

Thu 18/9

16:30-11:55

1 stop28h 25m

$2,261

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 1/10

22:45-12:45

1 stop29h 00m

Seattle/Tacoma Intl

Wed 8/10

16:30-18:40

1 stop35h 10m

$2,374

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $1,728. 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 $1,755.

What is the cheapest day to depart on your flight to Seattle?

The cheapest day to depart from Perth to Seattle is on a Wednesday. Travellers who choose to depart for Seattle on a Wednesday will often find tickets for as low as $1,934. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Perth to Seattle for around $2,246.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is in the morning. momondo users have found flights departing from Perth to Seattle in the morning for as low as $1,755. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is at midday when prices are around $2,298.

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 $2,028 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Perth for as low as $1,718 on momondo.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 7% 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 return 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

$891

Fastest flight time

22h 35m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Perth in the past 72 hours is $891. The best return flight deal from Perth to Seattle found on momondo in the last 72 hours is $1,440.
The fastest flight from Perth to Seattle takes 22h 35m
There are no direct flights from Perth to Seattle. Popular non-direct route for this connection is Perth Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
  • 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 24h 26m.

  • 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?

  • 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?

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
Japan AirlinesPriceFrom $1,519Free cancellationRating
8.3
1,549 reviews
Search Japan Airlines flights
ANAPriceFrom $1,618Free cancellationRating
8.4
933 reviews
Search ANA flights
Singapore AirlinesPriceFrom $1,700Free cancellationRating
8.1
1,347 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $1,922Free cancellationRating
7.5
896 reviews
Search Qantas Airways flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac

Why 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.

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1 adult
Sat 23/8
Sat 30/8

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Airports servicing Washington