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 12/3. 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.
Multiple Airlines Logo
05:35 - 19:10
PER
-
SEA
28h 35m
2 stops
Multiple Airlines Logo
23:50 - 04:15
SEA
-
PER
37h 25m
2 stops
$1,586Multiple Airlines
Sat, 14 Mar - Sat, 21 Mar
Multiple Airlines Logo
23:10 - 14:31
PER
-
SEA
31h 21m
2 stops
Multiple Airlines Logo
20:00 - 22:15
SEA
-
PER
34h 15m
2 stops
$1,807Multiple Airlines
Sat, 14 Feb - Fri, 20 Feb
Japan Airlines Logo
00:10 - 10:35
PER
-
SEA
25h 25m
2 stops
Japan Airlines Logo
13:30 - 22:40
SEA
-
PER
42h 10m
2 stops
$1,883Japan Airlines
Sun, 19 Jul - Mon, 20 Jul
Singapore Airlines Logo
01:15 - 08:10
PER
-
SEA
21h 55m
1 stop
Singapore Airlines Logo
09:45 - 05:25
SEA
-
PER
28h 40m
1 stop
$1,921Singapore Airlines
Fri, 13 Mar - Sat, 21 Mar
Singapore Airlines Logo
16:55 - 08:45
PER
-
SEA
30h 50m
1 stop
Singapore Airlines Logo
10:15 - 23:55
SEA
-
PER
22h 40m
1 stop
$2,030Singapore Airlines
Mon, 11 May - Thu, 28 May
Qantas Airways Logo
09:05 - 19:53
PER
-
SEA
25h 48m
2 stops
Qantas Airways Logo
17:16 - 11:15
SEA
-
PER
26h 59m
2 stops
$2,046Qantas Airways
Mon, 11 May - Thu, 28 May
United Airlines Logo
05:10 - 16:14
PER
-
SEA
26h 04m
2 stops
United Airlines Logo
17:20 - 05:25
SEA
-
PER
45h 05m
2 stops
$2,111United Airlines
Tue, 17 Mar - Sat, 21 Mar
Multiple Airlines Logo
18:30 - 09:00
PER
-
SEA
30h 30m
2 stops
Multiple Airlines Logo
16:05 - 11:55
SEA
-
PER
27h 50m
1 stop
$2,155Multiple Airlines
Sat, 14 Feb - Fri, 20 Feb
Singapore Airlines Logo
13:50 - 07:10
PER
-
SEA
33h 20m
1 stop
Singapore Airlines Logo
08:45 - 05:25
SEA
-
PER
52h 40m
1 stop
$2,175Singapore Airlines
Sat, 14 Feb - Fri, 20 Feb
Virgin Australia Logo
17:55 - 20:58
PER
-
SEA
42h 03m
2 stops
Virgin Australia Logo
09:20 - 15:30
SEA
-
PER
39h 10m
2 stops
$2,192Virgin Australia
Tue, 17 Mar - Sat, 21 Mar

United Airlines flights from Perth to Seattle

Our best United Airlines deals on Perth to Seattle flight tickets
United Airlines
17 Mar
PER05:10Perth
26h 04m
2 stops
SEA16:14Seattle/Tacoma Intl
21 Mar
SEA17:20Seattle/Tacoma Intl
45h 05m
2 stops
PER05:25Perth
$2,111
United Airlines
14 Mar
PER16:45Perth
40h 47m
2 stops
SEA18:32Seattle/Tacoma Intl
21 Mar
SEA08:00Seattle/Tacoma Intl
39h 30m
3 stops
PER14:30Perth
$2,619
United Airlines
14 Feb
PER15:15Perth
42h 48m
3 stops
SEA18:03Seattle/Tacoma Intl
20 Feb
SEA12:32Seattle/Tacoma Intl
31h 58m
2 stops
PER12:30Perth
$2,715

Singapore Airlines flights from Perth to Seattle

Our best Singapore Airlines deals on Perth to Seattle flight tickets
Singapore Airlines
13 Mar
PER01:15Perth
21h 55m
1 stop
SEA08:10Seattle/Tacoma Intl
21 Mar
SEA09:45Seattle/Tacoma Intl
28h 40m
1 stop
PER05:25Perth
$1,921
Singapore Airlines
11 May
PER16:55Perth
30h 50m
1 stop
SEA08:45Seattle/Tacoma Intl
28 May
SEA10:15Seattle/Tacoma Intl
22h 40m
1 stop
PER23:55Perth
$2,030
Singapore Airlines
14 Feb
PER13:50Perth
33h 20m
1 stop
SEA07:10Seattle/Tacoma Intl
20 Feb
SEA08:45Seattle/Tacoma Intl
52h 40m
1 stop
PER05:25Perth
$2,175

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 30 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

Sat 14/3

05:35-19:10

2 stops28h 35m

Seattle/Tacoma Intl

Sat 21/3

23:50-04:15

2 stops37h 25m

$1,586

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 14/2

23:10-14:31

2 stops31h 21m

Seattle/Tacoma Intl

Fri 20/2

20:00-22:15

2 stops34h 15m

$1,807

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 19/7

00:10-10:35

2 stops25h 25m

Seattle/Tacoma Intl

Mon 20/7

13:30-22:40

2 stops42h 10m

$1,883

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 13/3

01:15-08:10

1 stop21h 55m

Seattle/Tacoma Intl

Sat 21/3

09:45-05:25

1 stop28h 40m

$1,921

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 11/5

16:55-08:45

1 stop30h 50m

Seattle/Tacoma Intl

Thu 28/5

10:15-23:55

1 stop22h 40m

$2,030

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 11/5

09:05-19:53

2 stops25h 48m

Seattle/Tacoma Intl

Thu 28/5

17:16-11:15

2 stops26h 59m

$2,046

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 17/3

05:10-16:14

2 stops26h 04m

Seattle/Tacoma Intl

Sat 21/3

17:20-05:25

2 stops45h 05m

$2,111

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 14/2

18:30-09:00

2 stops30h 30m

Seattle/Tacoma Intl

Fri 20/2

16:05-11:55

1 stop27h 50m

$2,155

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 14/2

13:50-07:10

1 stop33h 20m

Seattle/Tacoma Intl

Fri 20/2

08:45-05:25

1 stop52h 40m

$2,175

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 17/3

17:55-20:58

2 stops42h 03m

Seattle/Tacoma Intl

Sat 21/3

09:20-15:30

2 stops39h 10m

$2,192

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 $1,332. 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 $1,613.

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 $1,827 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 $1,587 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 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

28h 35m

Direct flights

None
The fastest flight from Perth to Seattle takes 28h 35m
There are no direct flights from Perth to Seattle. There are no popular flight routes 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 28h 35m.

  • 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 $1,288Free cancellationRating
8.3
1,691 reviews
Search Japan Airlines flights
Qantas AirwaysPriceFrom $1,585Free cancellationRating
7.5
981 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,592Free cancellationRating
8.2
1,440 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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