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Cheap flights from Perth to Seattle from $929

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 15/11. 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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Cheap return flights

Japan Airlines Logo
10:30 - 10:50PER-SEA
39h 20m2 stops
Japan Airlines Logo
12:10 - 23:55SEA-PER
43h 45m2 stops
$1,430Japan Airlines
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Thu, 30 Oct - Thu, 6 Nov
Japan Airlines Logo
10:30 - 09:50PER-SEA
39h 20m2 stops
Japan Airlines Logo
12:10 - 23:55SEA-PER
43h 45m2 stops
$1,433Japan Airlines
Find Deal
Thu, 20 Nov - Mon, 24 Nov
Japan Airlines Logo
10:30 - 09:50PER-SEA
39h 20m2 stops
Japan Airlines Logo
12:10 - 23:55SEA-PER
43h 45m2 stops
$1,434Japan Airlines
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Thu, 20 Nov - Mon, 24 Nov
Multiple Airlines Logo
05:35 - 09:23PER-SEA
42h 48m2 stops
Multiple Airlines Logo
07:00 - 04:20SEA-PER
29h 20m2 stops
$1,575Multiple Airlines
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Sat, 1 Nov - Sat, 8 Nov
Multiple Airlines Logo
05:35 - 18:30PER-SEA
27h 55m2 stops
Multiple Airlines Logo
00:10 - 04:20SEA-PER
36h 10m2 stops
$1,623Multiple Airlines
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Sat, 1 Nov - Fri, 7 Nov
Singapore Airlines Logo
01:15 - 07:10PER-SEA
21h 55m1 stop
Singapore Airlines Logo
08:45 - 12:35SEA-PER
35h 50m1 stop
$1,775Singapore Airlines
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Thu, 29 Jan - Tue, 17 Feb
ANA Logo
21:55 - 13:20PER-SEA
31h 25m1 stop
ANA Logo
17:20 - 20:10SEA-PER
58h 50m2 stops
$1,817ANA
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Fri, 30 Jan - Tue, 17 Feb
Singapore Airlines Logo
06:40 - 07:10PER-SEA
40h 30m1 stop
Singapore Airlines Logo
08:45 - 12:35SEA-PER
35h 50m1 stop
$1,851Singapore Airlines
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Fri, 30 Jan - Tue, 17 Feb
ANA Logo
21:55 - 13:20PER-SEA
31h 25m1 stop
ANA Logo
15:45 - 20:10SEA-PER
36h 25m1 stop
$1,994ANA
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Fri, 30 Jan - Tue, 17 Feb
United Airlines Logo
22:30 - 00:59PER-SEA
42h 29m2 stops
United Airlines Logo
08:00 - 14:30SEA-PER
62h 30m3 stops
$2,013United Airlines
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Mon, 12 Jan - Mon, 2 Feb

Japan Airlines flights from Perth to Seattle

Our best Japan Airlines deals on Perth to Seattle flight tickets
Japan Airlines
30 Oct
PER10:30Perth
39h 20m
2 stops
SEA10:50Seattle/Tacoma Intl
6 Nov
SEA12:10Seattle/Tacoma Intl
43h 45m
2 stops
PER23:55Perth
$1,430
Find similar
Japan Airlines
20 Nov
PER10:30Perth
39h 20m
2 stops
SEA09:50Seattle/Tacoma Intl
24 Nov
SEA12:10Seattle/Tacoma Intl
43h 45m
2 stops
PER23:55Perth
$1,433
Find similar
Japan Airlines
20 Nov
PER10:30Perth
39h 20m
2 stops
SEA09:50Seattle/Tacoma Intl
24 Nov
SEA12:10Seattle/Tacoma Intl
43h 45m
2 stops
PER23:55Perth
$1,434
Find similar

Singapore Airlines flights from Perth to Seattle

Our best Singapore Airlines deals on Perth to Seattle flight tickets
Singapore Airlines
29 Jan
PER01:15Perth
21h 55m
1 stop
SEA07:10Seattle/Tacoma Intl
17 Feb
SEA08:45Seattle/Tacoma Intl
35h 50m
1 stop
PER12:35Perth
$1,775
Find similar
Singapore Airlines
30 Jan
PER06:40Perth
40h 30m
1 stop
SEA07:10Seattle/Tacoma Intl
17 Feb
SEA08:45Seattle/Tacoma Intl
35h 50m
1 stop
PER12:35Perth
$1,851
Find similar
Singapore Airlines
30 Oct
PER17:05Perth
30h 05m
1 stop
SEA08:10Seattle/Tacoma Intl
6 Nov
SEA08:45Seattle/Tacoma Intl
35h 50m
1 stop
PER12:35Perth
$1,868
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 17 September 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

Thu 30/10

10:30-10:50

2 stops39h 20m

Seattle/Tacoma Intl

Thu 6/11

12:10-23:55

2 stops43h 45m

$1,430

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 20/11

10:30-09:50

2 stops39h 20m

Seattle/Tacoma Intl

Mon 24/11

12:10-23:55

2 stops43h 45m

$1,433

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 20/11

10:30-09:50

2 stops39h 20m

Seattle/Tacoma Intl

Mon 24/11

12:10-23:55

2 stops43h 45m

$1,434

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 1/11

05:35-09:23

2 stops42h 48m

Seattle/Tacoma Intl

Sat 8/11

07:00-04:20

2 stops29h 20m

$1,575

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 1/11

05:35-18:30

2 stops27h 55m

Seattle/Tacoma Intl

Fri 7/11

00:10-04:20

2 stops36h 10m

$1,623

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 29/1

01:15-07:10

1 stop21h 55m

Seattle/Tacoma Intl

Tue 17/2

08:45-12:35

1 stop35h 50m

$1,775

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 30/1

21:55-13:20

1 stop31h 25m

Seattle/Tacoma Intl

Tue 17/2

17:20-20:10

2 stops58h 50m

$1,817

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 30/1

06:40-07:10

1 stop40h 30m

Seattle/Tacoma Intl

Tue 17/2

08:45-12:35

1 stop35h 50m

$1,851

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 30/1

21:55-13:20

1 stop31h 25m

Seattle/Tacoma Intl

Tue 17/2

15:45-20:10

1 stop36h 25m

$1,994

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 12/1

22:30-00:59

2 stops42h 29m

Seattle/Tacoma Intl

Mon 2/2

08:00-14:30

3 stops62h 30m

$2,013

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 September is, on average, the cheapest month to fly to Seattle from Perth, with most prices found around $1,706. If you are unable to visit Seattle during the month of September, then departing from Perth during the month October is also very affordable. Most momondo users find prices during this month for around $1,764.

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 $1,888. 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 $2,192.

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 $1,713. 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 $2,243.

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 $1,996 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 $1,677 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

Direct flights

None
There are no direct flights from Perth to Seattle. There are no popular flight routes from Perth to Seattle.
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  • 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 21h 55m.

  • 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 $1,456Free cancellationRating
8.3
1,559 reviews
Search Japan Airlines flights
ANAPriceFrom $1,579Free cancellationRating
8.4
964 reviews
Search ANA flights
Singapore AirlinesPriceFrom $1,658Free cancellationRating
8.1
1,367 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $1,876Free cancellationRating
7.5
907 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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