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Cheap flights from Perth to Seattle from $944

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 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Perth to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
ANA Logo
21:35 - 14:25
PER
-
SEA
31h 50m
1 stop
ANA Logo
16:30 - 20:00
SEA
-
PER
36h 30m
1 stop
$1,600ANA
Sat, 23 May - Sat, 6 Jun
ANA Logo
21:35 - 20:53
PER
-
SEA
38h 18m
2 stops
ANA Logo
16:30 - 20:00
SEA
-
PER
36h 30m
1 stop
$1,648ANA
Sat, 23 May - Sat, 6 Jun
ANA Logo
21:35 - 14:25
PER
-
SEA
31h 50m
1 stop
ANA Logo
16:30 - 20:00
SEA
-
PER
36h 30m
1 stop
$1,664ANA
Thu, 3 Sep - Tue, 15 Sep
ANA Logo
21:35 - 20:43
PER
-
SEA
38h 08m
2 stops
ANA Logo
16:30 - 20:00
SEA
-
PER
36h 30m
1 stop
$1,719ANA
Thu, 3 Sep - Tue, 15 Sep
Air Canada Logo
15:30 - 10:05
PER
-
SEA
33h 35m
2 stops
Air Canada Logo
19:20 - 15:45
SEA
-
PER
29h 25m
2 stops
$1,747Air Canada
Tue, 19 May - Tue, 26 May
ANA Logo
21:35 - 14:25
PER
-
SEA
31h 50m
1 stop
ANA Logo
16:30 - 20:00
SEA
-
PER
36h 30m
1 stop
$1,758ANA
Thu, 3 Sep - Sat, 19 Sep
Multiple Airlines Logo
10:35 - 15:15
PER
-
SEA
43h 40m
2 stops
Multiple Airlines Logo
10:15 - 04:20
SEA
-
PER
27h 05m
1 stop
$1,761Multiple Airlines
Mon, 7 Sep - Thu, 17 Sep
Japan Airlines Logo
00:10 - 10:50
PER
-
SEA
25h 40m
2 stops
Japan Airlines Logo
13:15 - 06:50
SEA
-
PER
50h 35m
2 stops
$1,764Japan Airlines
Tue, 25 Aug - Mon, 14 Sep
Japan Airlines Logo
00:10 - 10:50
PER
-
SEA
25h 40m
2 stops
Japan Airlines Logo
13:15 - 00:40
SEA
-
PER
44h 25m
2 stops
$1,783Japan Airlines
Wed, 15 Jul - Mon, 7 Sep
Japan Airlines Logo
00:10 - 10:50
PER
-
SEA
25h 40m
2 stops
Japan Airlines Logo
13:15 - 00:40
SEA
-
PER
44h 25m
2 stops
$1,785Japan Airlines
Wed, 15 Jul - Mon, 7 Sep

Air Canada flights from Perth to Seattle

Our best Air Canada deals on Perth to Seattle flight tickets
Air Canada
19 May
PER15:30Perth
33h 35m
2 stops
SEA10:05Seattle/Tacoma Intl
26 May
SEA19:20Seattle/Tacoma Intl
29h 25m
2 stops
PER15:45Perth
$1,747
Air Canada
23 July
PER22:40Perth
26h 27m
2 stops
SEA10:07Seattle/Tacoma Intl
1 Sept
SEA19:20Seattle/Tacoma Intl
26h 35m
2 stops
PER12:55Perth
$1,896
Air Canada
6 June
PER17:15Perth
36h 05m
2 stops
SEA14:20Seattle/Tacoma Intl
13 June
SEA15:00Seattle/Tacoma Intl
33h 45m
2 stops
PER15:45Perth
$1,898

Philippine Airlines flights from Perth to Seattle

Our best Philippine Airlines deals on Perth to Seattle flight tickets
Philippine Airlines
13 July
PER08:35Perth
26h 30m
1 stop
SEA20:05Seattle/Tacoma Intl
4 Sept
SEA23:10Seattle/Tacoma Intl
41h 05m
1 stop
PER07:15Perth
$1,821
Philippine Airlines
13 July
PER08:35Perth
26h 30m
1 stop
SEA20:05Seattle/Tacoma Intl
4 Sept
SEA23:10Seattle/Tacoma Intl
41h 05m
1 stop
PER07:15Perth
$1,892

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 23 April 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

Sat 23/5

21:35-14:25

1 stop31h 50m

Seattle/Tacoma Intl

Sat 6/6

16:30-20:00

1 stop36h 30m

$1,600

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 23/5

21:35-20:53

2 stops38h 18m

Seattle/Tacoma Intl

Sat 6/6

16:30-20:00

1 stop36h 30m

$1,648

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/9

21:35-14:25

1 stop31h 50m

Seattle/Tacoma Intl

Tue 15/9

16:30-20:00

1 stop36h 30m

$1,664

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/9

21:35-20:43

2 stops38h 08m

Seattle/Tacoma Intl

Tue 15/9

16:30-20:00

1 stop36h 30m

$1,719
Fastest return journey

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 19/5

15:30-10:05

2 stops33h 35m

Seattle/Tacoma Intl

Tue 26/5

19:20-15:45

2 stops29h 25m

$1,747

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/9

21:35-14:25

1 stop31h 50m

Seattle/Tacoma Intl

Sat 19/9

16:30-20:00

1 stop36h 30m

$1,758

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 7/9

10:35-15:15

2 stops43h 40m

Seattle/Tacoma Intl

Thu 17/9

10:15-04:20

1 stop27h 05m

$1,761

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 25/8

00:10-10:50

2 stops25h 40m

Seattle/Tacoma Intl

Mon 14/9

13:15-06:50

2 stops50h 35m

$1,764

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 15/7

00:10-10:50

2 stops25h 40m

Seattle/Tacoma Intl

Mon 7/9

13:15-00:40

2 stops44h 25m

$1,783

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 15/7

00:10-10:50

2 stops25h 40m

Seattle/Tacoma Intl

Mon 7/9

13:15-00:40

2 stops44h 25m

$1,785

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 typical price of a round-trip flight between Perth and Seattle?

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 $1,289. 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 $1,540.

How far in advance should I book a flight from Perth 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 $1,880 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 $1,697 on momondo.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 39% 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 April 2026, prices for Perth to Seattle flights are approximately 2% cheaper 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

25h 20m

Direct flights

None
The fastest flight from Perth to Seattle takes 25h 20m
There are no direct flights from Perth to Seattle. There are no popular flight routes from Perth to Seattle.
Search flight deals

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 25h 20m.

  • 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 $1,263Free cancellationRating
8.3
1,789 reviews
Search Japan Airlines flights
Qantas AirwaysPriceFrom $1,560Free cancellationRating
7.5
1,024 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,568Free cancellationRating
8.2
1,502 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.

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