Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Perth to Seattle from $870

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.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Perth to Seattle

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
23:55 - 07:15
SEA
-
PER
40h 20m
1 stop
$1,735Philippine Airlines
Thu, 22 Oct - Mon, 26 Oct
Philippine Airlines Logo
08:30 - 18:35
PER
-
SEA
26h 05m
1 stop
Philippine Airlines Logo
23:55 - 07:15
SEA
-
PER
39h 20m
1 stop
$1,814Philippine Airlines
Thu, 5 Nov - Mon, 9 Nov
Philippine Airlines Logo
08:30 - 18:35
PER
-
SEA
26h 05m
1 stop
Philippine Airlines Logo
23:55 - 07:15
SEA
-
PER
39h 20m
1 stop
$1,819Philippine Airlines
Thu, 5 Nov - Mon, 9 Nov
Philippine Airlines Logo
08:30 - 18:35
PER
-
SEA
26h 05m
1 stop
Philippine Airlines Logo
23:55 - 07:15
SEA
-
PER
39h 20m
1 stop
$1,821Philippine Airlines
Thu, 5 Nov - Mon, 9 Nov
Virgin Australia Logo
23:45 - 18:47
PER
-
SEA
34h 02m
2 stops
Virgin Australia Logo
17:20 - 12:30
SEA
-
PER
28h 10m
2 stops
$2,070Virgin Australia
Mon, 6 Jul - Mon, 27 Jul
Virgin Australia Logo
23:45 - 12:34
PER
-
SEA
27h 49m
2 stops
Virgin Australia Logo
17:04 - 21:40
SEA
-
PER
37h 36m
2 stops
$2,081Virgin Australia
Mon, 6 Jul - Mon, 27 Jul
United Airlines Logo
18:10 - 12:34
PER
-
SEA
33h 24m
2 stops
United Airlines Logo
17:04 - 11:40
SEA
-
PER
27h 36m
2 stops
$2,103United Airlines
Wed, 17 Jun - Wed, 8 Jul
Qantas Airways Logo
14:30 - 00:04
PER
-
SEA
25h 34m
2 stops
Qantas Airways Logo
16:20 - 17:00
SEA
-
PER
32h 40m
2 stops
$2,106Qantas Airways
Thu, 5 Nov - Mon, 9 Nov
Multiple Airlines Logo
23:05 - 10:07
PER
-
SEA
26h 02m
2 stops
Multiple Airlines Logo
05:45 - 12:05
SEA
-
PER
39h 20m
2 stops
$2,173Multiple Airlines
Thu, 30 Jul - Fri, 7 Aug
United Airlines Logo
23:45 - 21:10
PER
-
SEA
36h 25m
3 stops
United Airlines Logo
06:00 - 11:40
SEA
-
PER
38h 40m
2 stops
$2,219United Airlines
Thu, 30 Jul - Fri, 7 Aug

Qantas Airways flights from Perth to Seattle

Our best Qantas Airways deals on Perth to Seattle flight tickets
Qantas Airways
5 Nov
PER14:30Perth
25h 34m
2 stops
SEA00:04Seattle/Tacoma Intl
9 Nov
SEA16:20Seattle/Tacoma Intl
32h 40m
2 stops
PER17:00Perth
$2,106
Qantas Airways
15 July
PER07:45Perth
29h 13m
2 stops
SEA21:58Seattle/Tacoma Intl
23 July
SEA17:10Seattle/Tacoma Intl
28h 15m
2 stops
PER12:25Perth
$2,126
Qantas Airways
24 June
PER10:35Perth
26h 23m
2 stops
SEA21:58Seattle/Tacoma Intl
1 July
SEA18:10Seattle/Tacoma Intl
30h 15m
2 stops
PER15:25Perth
$2,536

Philippine Airlines flights from Perth to Seattle

Our best Philippine Airlines deals on Perth to Seattle flight tickets
Philippine Airlines
22 Oct
PER08:35Perth
26h 30m
1 stop
SEA20:05Seattle/Tacoma Intl
26 Oct
SEA23:55Seattle/Tacoma Intl
40h 20m
1 stop
PER07:15Perth
$1,735
Philippine Airlines
5 Nov
PER08:30Perth
26h 05m
1 stop
SEA18:35Seattle/Tacoma Intl
9 Nov
SEA23:55Seattle/Tacoma Intl
39h 20m
1 stop
PER07:15Perth
$1,814
Philippine Airlines
5 Nov
PER08:30Perth
26h 05m
1 stop
SEA18:35Seattle/Tacoma Intl
9 Nov
SEA23:55Seattle/Tacoma Intl
39h 20m
1 stop
PER07:15Perth
$1,819

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 28 May 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 22/10

08:35-20:05

1 stop26h 30m

Seattle/Tacoma Intl

Mon 26/10

23:55-07:15

1 stop40h 20m

$1,735

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 5/11

08:30-18:35

1 stop26h 05m

Seattle/Tacoma Intl

Mon 9/11

23:55-07:15

1 stop39h 20m

$1,814

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 5/11

08:30-18:35

1 stop26h 05m

Seattle/Tacoma Intl

Mon 9/11

23:55-07:15

1 stop39h 20m

$1,819

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 5/11

08:30-18:35

1 stop26h 05m

Seattle/Tacoma Intl

Mon 9/11

23:55-07:15

1 stop39h 20m

$1,821

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 6/7

23:45-18:47

2 stops34h 02m

Seattle/Tacoma Intl

Mon 27/7

17:20-12:30

2 stops28h 10m

$2,070

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 6/7

23:45-12:34

2 stops27h 49m

Seattle/Tacoma Intl

Mon 27/7

17:04-21:40

2 stops37h 36m

$2,081

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 17/6

18:10-12:34

2 stops33h 24m

Seattle/Tacoma Intl

Wed 8/7

17:04-11:40

2 stops27h 36m

$2,103
Fastest return journey

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 5/11

14:30-00:04

2 stops25h 34m

Seattle/Tacoma Intl

Mon 9/11

16:20-17:00

2 stops32h 40m

$2,106

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 30/7

23:05-10:07

2 stops26h 02m

Seattle/Tacoma Intl

Fri 7/8

05:45-12:05

2 stops39h 20m

$2,173

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 30/7

23:45-21:10

3 stops36h 25m

Seattle/Tacoma Intl

Fri 7/8

06:00-11:40

2 stops38h 40m

$2,219

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 $1,292. 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 $1,488.

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 May 2026, prices for Perth to Seattle flights are approximately 1% 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

26h 05m

Direct flights

None
The fastest flight from Perth to Seattle takes 26h 05m
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 26h 05m.

  • 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 $1,265Free cancellationRating
8.3
1,829 reviews
Search Japan Airlines flights
Qantas AirwaysPriceFrom $1,564Free cancellationRating
7.5
1,043 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,571Free cancellationRating
8.2
1,525 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 27/6
Sat 4/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Washington

Spokane Airport