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Cheap flights from Perth to Seattle from $1,501

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
12 Mar — 19 Mar1
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 10 February 2026.

Mon 11/522:40
PER
-
SEA
2 stops30h 40m
Multiple Airlines
Thu 28/519:20
SEA
-
PER
2 stops28h 35m
Multiple Airlines
Deal found 7/2$1,501
Thu 26/305:35
PER
-
SEA
2 stops25h 30m
Multiple Airlines
Wed 1/401:15
SEA
-
PER
2 stops36h 00m
Multiple Airlines
Deal found 9/2$1,658
Mon 11/516:55
PER
-
SEA
1 stop30h 50m
Singapore Airlines
Thu 28/510:15
SEA
-
PER
1 stop22h 40m
Singapore Airlines
Deal found 7/2$1,667
Thu 19/322:30
PER
-
SEA
2 stops39h 26m
Air Canada
Mon 23/320:00
SEA
-
PER
2 stops27h 30m
Air Canada
Deal found 7/2$1,695
Wed 25/305:00
PER
-
SEA
2 stops28h 51m
Multiple Airlines
Wed 1/414:53
SEA
-
PER
2 stops30h 42m
Multiple Airlines
Deal found 8/2$1,779
Thu 26/308:40
PER
-
SEA
1 stop26h 00m
Philippine Airlines
Thu 2/423:10
SEA
-
PER
1 stop41h 05m
Philippine Airlines
Deal found 9/2$1,993

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 10 February 2026.

Round-trip from

$1,501

Popular in

April

Cheapest in

February

Average price

$1,431
11/5-28/5
  • 11/5-28/5
  • 4 total stops
  • 59h 15m total
  • Perth to Seattle
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($212 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($55 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 10 February 2026.
Use the filters below to find and compare flights from Perth to Seattle that are best for you.

Fly from

Perth

Fly to

Seattle

Route

Depart

Return

Price

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 11/5

22:40-14:20

2 stops30h 40m

Seattle/Tacoma Intl

Thu 28/5

19:20-14:55

2 stops28h 35m

$1,501

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 26/3

05:35-16:05

2 stops25h 30m

Seattle/Tacoma Intl

Wed 1/4

01:15-04:15

2 stops36h 00m

$1,658

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

$1,667

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 19/3

22:30-22:56

2 stops39h 26m

Seattle/Tacoma Intl

Mon 23/3

20:00-14:30

2 stops27h 30m

$1,695

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 25/3

05:00-18:51

2 stops28h 51m

Seattle/Tacoma Intl

Wed 1/4

14:53-12:35

2 stops30h 42m

$1,779

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/3

16:45-09:17

3 stops55h 32m

$2,531

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/3

13:50-08:10

1 stop33h 20m

$4,129

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/3

15:55-12:40

1 stop35h 45m

$6,028

Flights are sorted by cheapest return flights first.

Deals found on 7/2

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 6 February 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 $1,254). Flying from Perth to Seattle in December is currently the most expensive (average of $1,888). 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.

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 10 February 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
1,701 reviews
Check prices

Food

7.7

Comfort

8.2

Entertainment

7.8

Crew

8.7

Overall

8.3

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Japan Airlines
8.3
Very Good
1,701 reviews
Japan Airlines
8.3
Very Good
1,701 reviews
Check prices

Food

7.7

Comfort

8.2

Entertainment

7.8

Crew

8.7

Overall

8.3

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Singapore Airlines
8.2
Very Good
1,452 reviews
Japan Airlines
8.3
Very Good
1,701 reviews
Check prices

Food

7.7

Comfort

8.2

Entertainment

7.8

Crew

8.7

Overall

8.3

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Qantas Airways
7.5
Good
988 reviews
Japan Airlines
8.3
Very Good
1,701 reviews
Check prices

Food

7.7

Comfort

8.2

Entertainment

7.8

Crew

8.7

Overall

8.3

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

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 $1,667, Singapore Airlines can have you in Seattle from Perth in 30h 50m. The distance between Perth and Seattle is about 14862 km.

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

    According to our current data, Japan Airlines ($1,287), Qantas Airways ($1,584), and Singapore Airlines ($1,591) 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 $1,254). Flying from Perth to Seattle in December is currently the most expensive (average of $1,888). 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
Ocean Shores

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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 10 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,287Average$1,630FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Qantas AirwaysCheapest$1,584Average$2,071FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest$1,591Average$1,929FlexibilityNo 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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