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$562+ Cheap flights from Perth (PER) to Seattle (SEA)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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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 julio 30, 2025.

Round-trip from

$911
(Gotogate)

One-way from

$562
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,381
From Perth to Seattle/Tacoma Intl
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One-way flight from Perth to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 11% potential increase in price ($181 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Perth to Seattle

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 julio 30, 2025.

This Gotogate deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/412:25 pmPER - SEA
2 stops37h 00mJapan Airlines
jue. 9/181:30 pmSEA - PER
2 stops44h 10mJapan Airlines
Deal found 7/29$911
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/49:55 pmPER - SEA
2 stops33h 15mMultiple Airlines
mié. 9/171:15 amSEA - PER
2 stops28h 25mMultiple Airlines
Deal found 7/29$1,014
This Expedia deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1510:55 pmPER - SEA
2 stops35h 32mVirgin Australia
sáb. 1/106:13 pmSEA - PER
2 stops29h 57mVirgin Australia
Deal found 7/29$1,309
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2810:55 pmPER - SEA
3 stops36h 56mUnited Airlines
sáb. 11/1511:59 pmSEA - PER
2 stops43h 21mUnited Airlines
Deal found 7/29$1,320
This Singapore Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/271:10 amPER - SEA
2 stops27h 49mSingapore Airlines
sáb. 11/158:45 amSEA - PER
1 stop38h 00mSingapore Airlines
Deal found 7/29$1,348
This Booking.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2712:25 pmPER - SEA
2 stops48h 33mQantas Airways
vie. 10/102:42 pmSEA - PER
2 stops42h 13mQantas Airways
Deal found 7/30$1,359
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/159:55 pmPER - SEA
1 stop31h 25mANA
sáb. 1/103:45 pmSEA - PER
1 stop36h 45mANA
Deal found 7/29$1,453
This BYOjet deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2710:45 pmPER - SEA
1 stop29h 00mQatar Airways
vie. 10/104:30 pmSEA - PER
1 stop35h 10mQatar Airways
Deal found 7/30$1,530

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated julio 30, 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

jue. 9/4

12:25 pm-10:25 am

2 stops37h 00m

Seattle/Tacoma Intl

jue. 9/18

1:30 pm-12:40 am

2 stops44h 10m

$911

PerthSeattle

PER - SEA

PERSEA

Perth

jue. 9/4

9:55 pm-4:10 pm

2 stops33h 15m

Seattle/Tacoma Intl

mié. 9/17

1:15 am-8:40 pm

2 stops28h 25m

$1,014

PerthSeattle

PER - SEA

PERSEA

Perth

lun. 12/15

10:55 pm-6:27 pm

2 stops35h 32m

Seattle/Tacoma Intl

sáb. 1/10

6:13 pm-4:10 pm

2 stops29h 57m

$1,309

PerthSeattle

PER - SEA

PERSEA

Perth

mar. 10/28

10:55 pm-8:51 pm

3 stops36h 56m

Seattle/Tacoma Intl

sáb. 11/15

11:59 pm-11:20 am

2 stops43h 21m

$1,320

PerthSeattle

PER - SEA

PERSEA

Perth

lun. 10/27

1:10 am-1:59 pm

2 stops27h 49m

Seattle/Tacoma Intl

sáb. 11/15

8:45 am-2:45 pm

1 stop38h 00m

$1,348

PerthSeattle

PER - SEA

PERSEA

Perth

sáb. 9/27

12:25 pm-9:58 pm

2 stops48h 33m

Seattle/Tacoma Intl

vie. 10/10

2:42 pm-11:55 pm

2 stops42h 13m

$1,359

PerthSeattle

PER - SEA

PERSEA

Perth

lun. 12/15

9:55 pm-1:20 pm

1 stop31h 25m

Seattle/Tacoma Intl

sáb. 1/10

3:45 pm-8:30 pm

1 stop36h 45m

$1,453

PerthSeattle

PER - SEA

PERSEA

Perth

sáb. 9/27

10:45 pm-12:45 pm

1 stop29h 00m

Seattle/Tacoma Intl

vie. 10/10

4:30 pm-6:40 pm

1 stop35h 10m

$1,530

PerthSeattle

PER - SEA

PERSEA

Perth

lun. 9/15

9:55 pm-4:10 pm

3 stops57h 15m

$562

PerthSeattle

PER - SEA

PERSEA

Perth

lun. 9/15

10:45 pm-2:16 pm

2 stops30h 31m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 14 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 round-trip 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 round-trip flight from Perth to Seattle. Price data was last updated on July 25, 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 $238). Flying from Perth to Seattle in June is currently the most expensive (average of $389). 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 julio 30, 2025.
Read reviews from past customers who have flown ANA, Japan Airlines, and Singapore Airlines from Perth to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
922 reviews

Boarding

8.5

Crew

8.7

Comfort

8.2

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
ANA
8.4
Very good
922 reviews
ANA
8.4
Very good
922 reviews

Boarding

8.5

Crew

8.7

Comfort

8.2

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
Japan Airlines
8.3
Very good
1,536 reviews
ANA
8.4
Very good
922 reviews

Boarding

8.5

Crew

8.7

Comfort

8.2

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
Singapore Airlines
8.1
Very good
1,338 reviews
ANA
8.4
Very good
922 reviews

Boarding

8.5

Crew

8.7

Comfort

8.2

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
Qantas Airways
7.5
Good
887 reviews
ANA
8.4
Very good
922 reviews

Boarding

8.5

Crew

8.7

Comfort

8.2

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
Virgin Australia
7.5
Good
411 reviews
ANA
8.4
Very good
922 reviews

Boarding

8.5

Crew

8.7

Comfort

8.2

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

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.

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

    Currently priced at $911, Japan Airlines will fly you from Perth to Seattle and back. In addition to Japan Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Virgin Australia and United Airlines - these airlines can fly you to your destination from $1,309 and $1,320, respectively. You may be able to fly from Perth to Seattle for 31% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Perth to Seattle one-way?

    $630 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Japan Airlines and United Airlines, with prices starting from $676 and $770, respectively.

  • 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 vacation 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 $238). Flying from Perth to Seattle in June is currently the most expensive (average of $389). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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 airline flying from Perth to Seattle

Discover the top airline 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 2,558,603 searches. Data last updated julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,070Average$1,504FlexibilityNo cancel feeOn-time81%

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