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Cheap flights from Perth to Seattle from $848

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 14 November 2025.

Wed 19/1100:25PER - SEA
2 stops25h 25mJapan Airlines
Mon 24/1112:10SEA - PER
2 stops42h 45mJapan Airlines
Deal found 11/11$2,396
Wed 10/1210:30PER - SEA
2 stops39h 20mJapan Airlines
Wed 17/1212:10SEA - PER
2 stops42h 45mJapan Airlines
Deal found 12/11$2,492
Wed 10/1220:40PER - SEA
2 stops33h 15mMultiple Airlines
Tue 16/1200:10SEA - PER
2 stops51h 45mMultiple Airlines
Deal found 12/11$2,496
Thu 20/1115:55PER - SEA
1 stop35h 45mQatar Airways
Mon 24/1116:05SEA - PER
1 stop34h 40mQatar Airways
Deal found 11/11$2,666
Thu 20/1117:45PER - SEA
2 stops42h 38mQantas Airways
Mon 24/1116:47SEA - PER
2 stops32h 33mQantas Airways
Deal found 12/11$2,731
Sat 27/1210:30PER - SEA
2 stops39h 20mJapan Airlines
Sat 3/112:30SEA - PER
2 stops42h 25mJapan Airlines
Deal found 12/11$3,116

Cheap 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 14 November 2025.

Round-trip from

$1,888

One-way from

$848

Popular in

December

Cheapest in

September

Average price

$2,019
2/4-23/4
  • 2/4-23/4
  • 4 total stops
  • 65h 30m total
  • Perth to Seattle
Search Deals
22/1
  • 22/1
  • 3 total stops
  • 58h 25m total
  • Perth to Seattle
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($199 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($47 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 14 November 2025.
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

Wed 19/11

00:25-09:50

2 stops25h 25m

Seattle/Tacoma Intl

Mon 24/11

12:10-22:55

2 stops42h 45m

$2,396

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 10/12

10:30-09:50

2 stops39h 20m

Seattle/Tacoma Intl

Wed 17/12

12:10-22:55

2 stops42h 45m

$2,492

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 20/11

15:55-11:40

1 stop35h 45m

Seattle/Tacoma Intl

Mon 24/11

16:05-18:45

1 stop34h 40m

$2,666

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 20/11

17:45-20:23

2 stops42h 38m

Seattle/Tacoma Intl

Mon 24/11

16:47-17:20

2 stops32h 33m

$2,731

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 10/12

05:35-13:45

3 stops48h 10m

Seattle/Tacoma Intl

Wed 17/12

13:40-04:15

3 stops46h 35m

$2,995

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 27/12

10:30-09:50

2 stops39h 20m

Seattle/Tacoma Intl

Sat 3/1

12:30-22:55

2 stops42h 25m

$3,116

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 20/1

22:40-12:29

2 stops53h 49m

$1,009

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 27/11

19:00-18:40

3 stops39h 40m

$1,030

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 13/12

19:00-13:30

3 stops58h 30m

$1,073

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 27/11

08:40-18:40

1 stop26h 00m

$1,158

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 15 results
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 7 November 2025.

To ensure you get the cheapest price possible for a flight from Perth to Seattle, you should look to book at least 49 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 $1,373). Flying from Perth to Seattle in December is currently the most expensive (average of $2,071). 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.

What is the cheapest time of day to fly from PER to SEA?

Find hourly flight availability from Perth to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 November 2025.

It’s optimal to fly from Perth to Seattle in the morning. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at midday.

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 14 November 2025.
Get a feel of what it's like to fly with ANA, Japan Airlines, andSingapore Airlines 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.
ANA
8.4
Very Good
1,004 reviews
Check prices

Comfort

8.2

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sept 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
ANA
8.4
Very Good
1,004 reviews
ANA
8.4
Very Good
1,004 reviews
Check prices

Comfort

8.2

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sept 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Japan Airlines
8.3
Very Good
1,613 reviews
ANA
8.4
Very Good
1,004 reviews
Check prices

Comfort

8.2

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sept 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Singapore Airlines
8.1
Very Good
1,401 reviews
ANA
8.4
Very Good
1,004 reviews
Check prices

Comfort

8.2

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sept 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Qantas Airways
7.5
Good
934 reviews
ANA
8.4
Very Good
1,004 reviews
Check prices

Comfort

8.2

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sept 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Qatar Airways
7.4
Good
3,662 reviews
ANA
8.4
Very Good
1,004 reviews
Check prices

Comfort

8.2

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sept 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

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 $2,396, Japan Airlines can have you in Seattle from Perth in 25h 25m. 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 ($1,470), ANA ($1,607), and Singapore Airlines ($1,688) offers the cheapest pricing from Perth to Seattle. These flights start at 28% 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 $1,373). Flying from Perth to Seattle in December is currently the most expensive (average of $2,071). 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 5 airlines flying from Perth to Seattle

Discover the top 5 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,470Average$1,754FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
ANACheapest$1,607Average$2,038FlexibilityNo cancel feeOn-time80%
Search ANA flights
Singapore AirlinesCheapest$1,688Average$2,032FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest$1,797Average$2,298FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Qatar AirwaysCheapest$2,033Average$2,479FlexibilityNo cancel feeOn-time68%
Search Qatar Airways 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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