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Cheap flights from Perth to Seattle from $907

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 15/8. 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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Cheap return flights

Enter your travel dates to find the best prices.
Philippine Airlines Logo
08:35 - 20:05
PER
-
SEA
26h 30m
1 stop
Philippine Airlines Logo
23:10 - 07:15
SEA
-
PER
41h 05m
1 stop
$1,261Philippine Airlines
Thu, 3 Sep - Fri, 18 Sep
Philippine Airlines Logo
08:35 - 20:05
PER
-
SEA
26h 30m
1 stop
Philippine Airlines Logo
23:10 - 07:15
SEA
-
PER
41h 05m
1 stop
$1,447Philippine Airlines
Thu, 27 Aug - Fri, 25 Sep
Multiple Airlines Logo
05:35 - 19:00
PER
-
SEA
28h 25m
2 stops
Multiple Airlines Logo
01:30 - 08:10
SEA
-
PER
39h 40m
2 stops
$1,613Multiple Airlines
Sat, 5 Sep - Fri, 18 Sep
Multiple Airlines Logo
05:35 - 16:10
PER
-
SEA
25h 35m
2 stops
Multiple Airlines Logo
01:15 - 04:20
SEA
-
PER
36h 05m
2 stops
$1,626Multiple Airlines
Thu, 23 Apr - Wed, 29 Apr
Multiple Airlines Logo
05:35 - 19:45
PER
-
SEA
29h 10m
2 stops
Multiple Airlines Logo
01:15 - 04:20
SEA
-
PER
36h 05m
2 stops
$1,711Multiple Airlines
Sat, 29 Aug - Thu, 24 Sep
Singapore Airlines Logo
01:10 - 08:45
PER
-
SEA
22h 35m
1 stop
Singapore Airlines Logo
10:15 - 12:30
SEA
-
PER
35h 15m
1 stop
$1,727Singapore Airlines
Fri, 4 Sep - Sat, 19 Sep
Multiple Airlines Logo
05:35 - 16:10
PER
-
SEA
25h 35m
2 stops
Multiple Airlines Logo
01:15 - 19:30
SEA
-
PER
27h 15m
2 stops
$1,741Multiple Airlines
Sun, 10 May - Fri, 22 May
Qantas Airways Logo
10:30 - 19:53
PER
-
SEA
24h 23m
2 stops
Qantas Airways Logo
10:00 - 17:00
SEA
-
PER
40h 00m
2 stops
$1,748Qantas Airways
Wed, 29 Apr - Wed, 6 May
Philippine Airlines Logo
08:35 - 20:05
PER
-
SEA
26h 30m
1 stop
Philippine Airlines Logo
23:10 - 07:15
SEA
-
PER
41h 05m
1 stop
$1,777Philippine Airlines
Thu, 30 Apr - Wed, 6 May
Qantas Airways Logo
23:45 - 22:52
PER
-
SEA
38h 07m
2 stops
Qantas Airways Logo
19:06 - 17:00
SEA
-
PER
30h 54m
2 stops
$1,795Qantas Airways
Mon, 27 Apr - Tue, 12 May

Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets
Japan Airlines
10 May
PER00:10Perth
25h 25m
2 stops
SEA10:35Seattle/Tacoma Intl
28 May
SEA13:15Seattle/Tacoma Intl
26h 35m
2 stops
PER06:50Perth
$1,908
Japan Airlines
10 May
PER00:10Perth
25h 25m
2 stops
SEA10:35Seattle/Tacoma Intl
28 May
SEA13:15Seattle/Tacoma Intl
26h 35m
2 stops
PER06:50Perth
$1,912
Japan Airlines
11 May
PER12:15Perth
37h 20m
2 stops
SEA10:35Seattle/Tacoma Intl
28 May
SEA13:15Seattle/Tacoma Intl
42h 25m
2 stops
PER22:40Perth
$1,962

Philippine Airlines flights from Perth to Seattle

Our best Philippine Airlines deals on Perth to Seattle flight tickets
Philippine Airlines
3 Sept
PER08:35Perth
26h 30m
1 stop
SEA20:05Seattle/Tacoma Intl
18 Sept
SEA23:10Seattle/Tacoma Intl
41h 05m
1 stop
PER07:15Perth
$1,261
Philippine Airlines
27 Aug
PER08:35Perth
26h 30m
1 stop
SEA20:05Seattle/Tacoma Intl
25 Sept
SEA23:10Seattle/Tacoma Intl
41h 05m
1 stop
PER07:15Perth
$1,447
Philippine Airlines
19 Mar
PER08:40Perth
26h 00m
1 stop
SEA19:40Seattle/Tacoma Intl
1 Apr
SEA23:10Seattle/Tacoma Intl
41h 05m
1 stop
PER07:15Perth
$1,708

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 10 March 2026.
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

Cheapest return flight

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/9

08:35-20:05

1 stop26h 30m

Seattle/Tacoma Intl

Fri 18/9

23:10-07:15

1 stop41h 05m

$1,261

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 27/8

08:35-20:05

1 stop26h 30m

Seattle/Tacoma Intl

Fri 25/9

23:10-07:15

1 stop41h 05m

$1,447

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 5/9

05:35-19:00

2 stops28h 25m

Seattle/Tacoma Intl

Fri 18/9

01:30-08:10

2 stops39h 40m

$1,613

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 23/4

05:35-16:10

2 stops25h 35m

Seattle/Tacoma Intl

Wed 29/4

01:15-04:20

2 stops36h 05m

$1,626

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 29/8

05:35-19:45

2 stops29h 10m

Seattle/Tacoma Intl

Thu 24/9

01:15-04:20

2 stops36h 05m

$1,711

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 4/9

01:10-08:45

1 stop22h 35m

Seattle/Tacoma Intl

Sat 19/9

10:15-12:30

1 stop35h 15m

$1,727
Fastest return journey

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 10/5

05:35-16:10

2 stops25h 35m

Seattle/Tacoma Intl

Fri 22/5

01:15-19:30

2 stops27h 15m

$1,741

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 29/4

10:30-19:53

2 stops24h 23m

Seattle/Tacoma Intl

Wed 6/5

10:00-17:00

2 stops40h 00m

$1,748

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 30/4

08:35-20:05

1 stop26h 30m

Seattle/Tacoma Intl

Wed 6/5

23:10-07:15

1 stop41h 05m

$1,777

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 27/4

23:45-22:52

2 stops38h 07m

Seattle/Tacoma Intl

Tue 12/5

19:06-17:00

2 stops30h 54m

$1,795

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $1,314. 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 $1,570.

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 $1,867 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 $1,656 on momondo.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 18% on your flight if you consider stops on a Perth to Seattle flight.

How have Perth to Seattle flight prices changed over time?

As of March 2026, prices for Perth to Seattle flights are approximately 11% more expensive when compared to flights at the same time last year.

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

Fastest flight time

30h 37m

Direct flights

None
The fastest flight from Perth to Seattle takes 30h 37m
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?

    Seattle/Tacoma Intl is 14868.9 km away from Perth. A reasonable flight in good conditions will take 30h 37m.

  • 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 $1,293Free cancellationRating
8.3
1,728 reviews
Search Japan Airlines flights
Qantas AirwaysPriceFrom $1,591Free cancellationRating
7.5
1,002 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,598Free cancellationRating
8.2
1,471 reviews
Search Singapore Airlines 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.

An easier way to manage your Seattle trip

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