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Cheap flights from Perth to Seattle from $817

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 7/3. 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.
Japan Airlines Logo
10:30 - 09:55
PER
-
SEA
39h 25m2 stops
Japan Airlines Logo
12:30 - 23:55
SEA
-
PER
43h 25m2 stops
$1,496Japan Airlines
Mon, 16 Feb - Mon, 23 Feb
Multiple Airlines Logo
23:10 - 17:30
PER
-
SEA
34h 20m3 stops
Multiple Airlines Logo
00:10 - 19:35
SEA
-
PER
27h 25m2 stops
$2,001Multiple Airlines
Mon, 16 Feb - Sun, 22 Feb
Japan Airlines Logo
00:25 - 09:55
PER
-
SEA
25h 30m2 stops
Japan Airlines Logo
12:30 - 23:55
SEA
-
PER
43h 25m2 stops
$2,107Japan Airlines
Wed, 18 Feb - Mon, 23 Feb
Multiple Airlines Logo
22:55 - 09:15
PER
-
SEA
26h 20m3 stops
Multiple Airlines Logo
12:30 - 16:30
SEA
-
PER
36h 00m3 stops
$2,200Multiple Airlines
Mon, 16 Feb - Mon, 23 Feb
Japan Airlines Logo
10:30 - 09:55
PER
-
SEA
39h 25m2 stops
Japan Airlines Logo
12:30 - 23:55
SEA
-
PER
43h 25m2 stops
$2,210Japan Airlines
Thu, 19 Feb - Mon, 23 Feb
Japan Airlines Logo
10:30 - 09:55
PER
-
SEA
39h 25m2 stops
Japan Airlines Logo
12:30 - 23:55
SEA
-
PER
43h 25m2 stops
$2,211Japan Airlines
Thu, 19 Feb - Mon, 23 Feb
Multiple Airlines Logo
07:20 - 18:50
PER
-
SEA
26h 30m2 stops
Multiple Airlines Logo
02:10 - 21:45
SEA
-
PER
28h 35m2 stops
$2,256Multiple Airlines
Sat, 27 Jun - Fri, 10 Jul
Multiple Airlines Logo
17:05 - 07:10
PER
-
SEA
30h 05m1 stop
Multiple Airlines Logo
16:50 - 14:45
SEA
-
PER
29h 55m2 stops
$2,265Multiple Airlines
Mon, 16 Feb - Mon, 23 Feb
Japan Airlines Logo
00:10 - 10:35
PER
-
SEA
25h 25m2 stops
Japan Airlines Logo
13:30 - 07:45
SEA
-
PER
27h 15m2 stops
$2,464Japan Airlines
Thu, 25 Jun - Sat, 11 Jul
Japan Airlines Logo
00:10 - 10:35
PER
-
SEA
25h 25m2 stops
Japan Airlines Logo
13:30 - 07:45
SEA
-
PER
27h 15m2 stops
$2,542Japan Airlines
Sat, 27 Jun - Sat, 11 Jul

Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets
Japan Airlines
16 Feb
PER10:30Perth
39h 25m
2 stops
SEA09:55Seattle/Tacoma Intl
23 Feb
SEA12:30Seattle/Tacoma Intl
43h 25m
2 stops
PER23:55Perth
$1,496
Find similar
Japan Airlines
18 Feb
PER00:25Perth
25h 30m
2 stops
SEA09:55Seattle/Tacoma Intl
23 Feb
SEA12:30Seattle/Tacoma Intl
43h 25m
2 stops
PER23:55Perth
$2,107
Find similar
Japan Airlines
19 Feb
PER10:30Perth
39h 25m
2 stops
SEA09:55Seattle/Tacoma Intl
23 Feb
SEA12:30Seattle/Tacoma Intl
43h 25m
2 stops
PER23:55Perth
$2,210
Find similar

Qatar Airways flights from Perth to Seattle

Our best Qatar Airways deals on Perth to Seattle flight tickets
Qatar Airways
16 Feb
PER22:45Perth
28h 55m
1 stop
SEA11:40Seattle/Tacoma Intl
23 Feb
SEA16:05Seattle/Tacoma Intl
27h 50m
1 stop
PER11:55Perth
$2,577
Find similar
Qatar Airways
19 Feb
PER15:55Perth
35h 45m
1 stop
SEA11:40Seattle/Tacoma Intl
23 Feb
SEA22:40Seattle/Tacoma Intl
45h 15m
2 stops
PER11:55Perth
$2,845
Find similar
Qatar Airways
19 Feb
PER15:55Perth
35h 45m
1 stop
SEA11:40Seattle/Tacoma Intl
23 Feb
SEA22:40Seattle/Tacoma Intl
45h 15m
2 stops
PER11:55Perth
$2,854
Find similar

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 4 January 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

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/2

10:30-09:55

2 stops39h 25m

Seattle/Tacoma Intl

Mon 23/2

12:30-23:55

2 stops43h 25m

$1,496

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/2

23:10-17:30

3 stops34h 20m

Seattle/Tacoma Intl

Sun 22/2

00:10-19:35

2 stops27h 25m

$2,001

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 18/2

00:25-09:55

2 stops25h 30m

Seattle/Tacoma Intl

Mon 23/2

12:30-23:55

2 stops43h 25m

$2,107

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/2

22:55-09:15

3 stops26h 20m

Seattle/Tacoma Intl

Mon 23/2

12:30-16:30

3 stops36h 00m

$2,200

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 19/2

10:30-09:55

2 stops39h 25m

Seattle/Tacoma Intl

Mon 23/2

12:30-23:55

2 stops43h 25m

$2,210

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 19/2

10:30-09:55

2 stops39h 25m

Seattle/Tacoma Intl

Mon 23/2

12:30-23:55

2 stops43h 25m

$2,211

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 27/6

07:20-18:50

2 stops26h 30m

Seattle/Tacoma Intl

Fri 10/7

02:10-21:45

2 stops28h 35m

$2,256

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/2

17:05-07:10

1 stop30h 05m

Seattle/Tacoma Intl

Mon 23/2

16:50-14:45

2 stops29h 55m

$2,265

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 25/6

00:10-10:35

2 stops25h 25m

Seattle/Tacoma Intl

Sat 11/7

13:30-07:45

2 stops27h 15m

$2,464

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 27/6

00:10-10:35

2 stops25h 25m

Seattle/Tacoma Intl

Sat 11/7

13:30-07:45

2 stops27h 15m

$2,542

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 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 $1,402. 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 $1,701.

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 $1,920 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 $1,671 on momondo.

Can stopping save me money on Perth to Seattle flights?

You could potentially save up to 2% 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 January 2026, prices for Perth to Seattle flights are approximately 12% 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

37h 10m

Direct flights

None
The fastest flight from Perth to Seattle takes 37h 10m
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 37h 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?

  • 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 $1,356Free cancellationRating
8.3
1,666 reviews
Search Japan Airlines flights
ANAPriceFrom $1,573Free cancellationRating
8.4
1,057 reviews
Search ANA flights
Qantas AirwaysPriceFrom $1,669Free cancellationRating
7.5
963 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,669Free cancellationRating
8.1
1,424 reviews
Search Singapore Airlines flights

Travelling to a place near Seattle?

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

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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