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Cheap flights from Perth to Seattle from $1,002

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
30 Apr — 7 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Perth to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Perth to Seattle
Explore the most affordable flight options available from Perth to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2026.

Thu 29/1008:30
PER
-
SEA
1 stop26h 05m
Philippine Airlines
Mon 2/1123:55
SEA
-
PER
1 stop39h 20m
Philippine Airlines
Deal found 30/3$1,673
Thu 4/600:10
PER
-
SEA
2 stops25h 40m
Japan Airlines
Sat 13/613:25
SEA
-
PER
2 stops26h 25m
Japan Airlines
Deal found 28/3$1,715
Sun 7/600:10
PER
-
SEA
2 stops25h 40m
Japan Airlines
Sun 21/613:25
SEA
-
PER
2 stops26h 25m
Japan Airlines
Deal found 30/3$1,763
Fri 5/600:10
PER
-
SEA
2 stops25h 40m
Japan Airlines
Tue 23/613:25
SEA
-
PER
2 stops42h 15m
Japan Airlines
Deal found 29/3$1,860
Mon 15/600:10
PER
-
SEA
2 stops25h 40m
Japan Airlines
Tue 30/613:25
SEA
-
PER
2 stops26h 25m
Japan Airlines
Deal found 30/3$1,893
Mon 7/900:10
PER
-
SEA
2 stops25h 25m
Japan Airlines
Fri 11/913:15
SEA
-
PER
2 stops42h 25m
Japan Airlines
Deal found 26/3$1,916
Tue 12/510:30
PER
-
SEA
2 stops24h 23m
Qantas Airways
Tue 19/517:59
SEA
-
PER
2 stops32h 01m
Qantas Airways
Deal found 28/3$2,007
Wed 13/523:30
PER
-
SEA
2 stops25h 35m
Multiple Airlines
Wed 20/519:20
SEA
-
PER
2 stops28h 35m
Multiple Airlines
Deal found 28/3$2,068
Mon 11/522:40
PER
-
SEA
2 stops26h 25m
Multiple Airlines
Mon 18/519:20
SEA
-
PER
2 stops28h 20m
Multiple Airlines
Deal found 26/3$2,075

Find flight deals from Perth to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Perth (PER) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 31 March 2026.

Round-trip from

$1,715

One-way from

$1,002

Popular in

March

Cheapest in

February

Average price

$2,407
Japan Airlines
  • Japan Airlines
  • 4/6-13/6
  • 4 total stops
  • 52h 05m total
  • Perth to Seattle
Search Deals
15/6
  • 15/6
  • 2 total stops
  • 39h 25m total
  • Perth to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($102 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($67 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 31 March 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
Fastest return journey

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 15/6

00:10-10:50

2 stops25h 40m

Seattle/Tacoma Intl

Tue 30/6

13:25-06:50

2 stops26h 25m

$1,893

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 13/5

22:45-12:45

1 stop29h 00m

Seattle/Tacoma Intl

Wed 20/5

16:30-18:35

1 stop35h 05m

$2,264

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 13/5

16:30-10:40

2 stops33h 10m

Seattle/Tacoma Intl

Wed 20/5

23:10-07:15

1 stop41h 05m

$2,427

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 11/9

22:45-12:25

1 stop28h 40m

Seattle/Tacoma Intl

Mon 12/10

16:25-18:35

1 stop35h 10m

$2,440

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 10/9

22:45-12:25

1 stop28h 40m

Seattle/Tacoma Intl

Sat 10/10

16:25-18:35

1 stop35h 10m

$2,440

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 8/9

22:45-12:25

1 stop28h 40m

Seattle/Tacoma Intl

Fri 11/9

16:25-18:35

1 stop35h 10m

$2,450

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 13/9

22:45-12:25

1 stop28h 40m

Seattle/Tacoma Intl

Sat 10/10

08:10-18:35

2 stops43h 25m

$2,471

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 6/6

21:35-18:30

2 stops35h 55m

Seattle/Tacoma Intl

Tue 23/6

16:25-11:55

1 stop28h 30m

$2,676

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 16/6

23:55-21:10

3 stops36h 15m

Seattle/Tacoma Intl

Tue 30/6

07:00-14:40

2 stops40h 40m

$3,035

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 11/9

22:45-12:25

1 stop28h 40m

Seattle/Tacoma Intl

Fri 9/10

16:25-18:35

1 stop35h 10m

$3,111

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Perth to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Perth with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Perth to Seattle

How far ahead should I book a flight from Perth to Seattle?

Use this chart to determine the optimal time to book a return flight from Perth to Seattle. Price data was last updated on 13 March 2026.

To ensure you get the cheapest price possible for a flight from Perth to Seattle, you should look to book at least 60 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Perth to Seattle?

Currently, January is the cheapest month in which you can book a flight from Perth to Seattle (average of $1,291). Flying from Perth to Seattle in December is currently the most expensive (average of $1,943). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Perth to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 31 March 2026.
Get a feel of what it's like to fly with Japan Airlines,Singapore Airlines, andQantas Airways from Perth to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,759 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
Japan Airlines
8.3
Very Good
1,759 reviews
Japan Airlines
8.3
Very Good
1,759 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
Singapore Airlines
8.2
Very Good
1,484 reviews
Japan Airlines
8.3
Very Good
1,759 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
Qantas Airways
7.5
Good
1,016 reviews
Japan Airlines
8.3
Very Good
1,759 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.

Related info for your journey

Find useful and relevant information for your journey from Perth to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Perth to Seattle?

    For as low as $1,893, Japan Airlines can have you in Seattle from Perth in 25h 40m. The distance between Perth and Seattle is about 14862 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Perth to Seattle round-trip?

    According to our current data, Japan Airlines ($1,324), Qantas Airways ($1,630), and Singapore Airlines ($1,658) offers the cheapest pricing from Perth to Seattle. These flights start at 30% lower than the current average price 3 months from now.

  • Can I find deals for flights from Perth to Seattle that include hotel bookings?

    Yes. In addition to deals on Perth to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Perth to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Perth to Seattle.

  • Can I find deals for business class flights from Perth to Seattle?

    Yes. Cheapflights offers flight deals from Perth to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Perth to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Perth to Seattle (average of $1,291). Flying from Perth to Seattle in December is currently the most expensive (average of $1,943). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Perth to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Perth to Portland flights

Top 3 airlines flying from Perth to Seattle

Discover the top 3 airlines that operate flights from Perth to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 31 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,324Average$1,677FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Qantas AirwaysCheapest$1,630Average$2,289FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest$1,658Average$2,219FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Perth to Seattle?

Deals for Perth to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Perth to Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Perth to Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Perth to Seattle with no change fees?

Need flexible booking options for your flight to Seattle from Perth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Perth to Seattle become cheaper?

Not ready to book yet? You can track prices for flights from Perth to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.

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