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Cheap flights from Perth to Seattle from $968

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
29 Jul — 5 Aug1
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 29 June 2026.

Thu 5/1108:30
PER
-
SEA
1 stop26h 05m
Philippine Airlines
Mon 9/1123:55
SEA
-
PER
1 stop39h 20m
Philippine Airlines
Deal found 24/6$1,743
Fri 23/1001:10
PER
-
SEA
1 stop22h 35m
Singapore Airlines
Fri 13/1108:45
SEA
-
PER
1 stop28h 40m
Singapore Airlines
Deal found 25/6$1,805
Sun 23/810:30
PER
-
SEA
2 stops24h 09m
Qantas Airways
Thu 27/817:10
SEA
-
PER
2 stops27h 05m
Qantas Airways
Deal found 28/6$1,892
Tue 11/810:30
PER
-
SEA
2 stops25h 26m
Qantas Airways
Tue 18/817:10
SEA
-
PER
2 stops32h 50m
Qantas Airways
Deal found 27/6$1,911
Wed 15/710:35
PER
-
SEA
2 stops26h 23m
Qantas Airways
Wed 29/718:10
SEA
-
PER
2 stops30h 15m
Qantas Airways
Deal found 27/6$1,918
Thu 13/810:35
PER
-
SEA
2 stops26h 23m
Qantas Airways
Thu 27/817:10
SEA
-
PER
2 stops27h 05m
Qantas Airways
Deal found 28/6$1,919
Sun 11/1010:30
PER
-
SEA
2 stops25h 56m
Qantas Airways
Fri 30/1017:01
SEA
-
PER
2 stops29h 59m
Qantas Airways
Deal found 27/6$1,930
Sat 24/1010:30
PER
-
SEA
2 stops27h 27m
Qantas Airways
Fri 13/1116:20
SEA
-
PER
2 stops30h 10m
Qantas Airways
Deal found 25/6$1,931
Thu 5/1105:00
PER
-
SEA
2 stops33h 24m
American Airlines
Mon 9/1123:59
SEA
-
PER
2 stops43h 16m
American Airlines
Deal found 24/6$1,943

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 29 June 2026.

Round-trip from

$1,743

One-way from

$968

Popular in

March

Cheapest in

February

Average price

$2,337
Philippine Airlines
  • Philippine Airlines
  • 5/11-9/11
  • 2 total stops
  • 65h 25m total
  • Perth to Seattle
Search Deals
25/10
  • 25/10
  • 2 total stops
  • 36h 25m total
  • Perth to Seattle
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($51 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 29 June 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 5/11

08:30-18:35

1 stop26h 05m

Seattle/Tacoma Intl

Mon 9/11

23:55-07:15

1 stop39h 20m

$1,743
Fastest return journey

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 23/10

01:10-08:45

1 stop22h 35m

Seattle/Tacoma Intl

Fri 13/11

08:45-05:25

1 stop28h 40m

$1,805

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 5/11

05:00-22:24

2 stops33h 24m

Seattle/Tacoma Intl

Mon 9/11

23:59-11:15

2 stops43h 16m

$1,943

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 13/7

23:45-16:20

2 stops31h 35m

Seattle/Tacoma Intl

Wed 29/7

17:04-11:40

2 stops27h 36m

$2,093

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 11/8

15:30-21:15

3 stops44h 45m

Seattle/Tacoma Intl

Tue 18/8

15:30-14:40

2 stops32h 10m

$2,105

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 12/8

02:10-19:10

3 stops32h 00m

Seattle/Tacoma Intl

Wed 19/8

02:10-01:10

3 stops56h 00m

$2,166

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 10/8

02:10-16:35

3 stops29h 25m

Seattle/Tacoma Intl

Mon 17/8

01:15-14:50

3 stops46h 35m

$2,215

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 13/8

22:20-13:25

1 stop30h 05m

Seattle/Tacoma Intl

Thu 20/8

17:15-17:35

1 stop33h 20m

$2,943

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 11/8

22:20-13:25

1 stop30h 05m

Seattle/Tacoma Intl

Tue 18/8

17:15-17:35

1 stop33h 20m

$3,012
Cheapest one-way

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 25/10

20:25-08:10

3 stops50h 45m

$996

Flights are sorted by cheapest return flights first.

Deals found on 24/6

Showing 1-10 of 15 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

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

Currently, February is the cheapest month in which you can book a flight from Perth to Seattle (average of $1,361). Flying from Perth to Seattle in March is currently the most expensive (average of $2,392). 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 29 June 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
1,852 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Food

7.7

Crew

8.7

Overall

8.3

Boarding

8.4

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.
Japan Airlines
8.3
Very Good
1,852 reviews
Japan Airlines
8.3
Very Good
1,852 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Food

7.7

Crew

8.7

Overall

8.3

Boarding

8.4

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.
Singapore Airlines
8.2
Very Good
1,557 reviews
Japan Airlines
8.3
Very Good
1,852 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Food

7.7

Crew

8.7

Overall

8.3

Boarding

8.4

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.
Qantas Airways
7.5
Good
1,054 reviews
Japan Airlines
8.3
Very Good
1,852 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Food

7.7

Crew

8.7

Overall

8.3

Boarding

8.4

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.

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 $1,805, Philippine Airlines can have you in Seattle from Perth in 22h 35m. 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 ($1,316), Qantas Airways ($1,620), and Singapore Airlines ($1,627) offers the cheapest pricing from Perth to Seattle. These flights start at 34% 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, February is the cheapest month in which you can book a flight from Perth to Seattle (average of $1,361). Flying from Perth to Seattle in March is currently the most expensive (average of $2,392). 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
Tukwila

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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 29 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,316Average$1,811FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Qantas AirwaysCheapest$1,620Average$2,307FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest$1,627Average$2,091FlexibilityNo 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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