$541+ Cheap flights from Perth (PER) to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
Nov 23 — Nov 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Perth to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Perth to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Perth to SeattleExplore 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 October 24, 2026.
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 October 24, 2026.
This Gotogate deal was found by Cheapflights users on 10/19. 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.
Thu 10/228:35 am -
1 stop26h 30m
Wed 11/49:30 pm -
1 stop41h 50m
Deal found 10/19![Philippine Airlines logo]()
$906
This Gotogate deal was found by Cheapflights users on 10/20. 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.
Thu 11/58:35 am -
1 stop26h 10m
Fri 11/139:30 pm -
1 stop41h 50m
Deal found 10/20![Philippine Airlines logo]()
$918
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:35 am -
1 stop26h 10m
Sun 11/298:40 am -
1 stop31h 45m
Deal found 10/23![Multiple Airlines logo]()
$1,075
This FlightHub deal was found by Cheapflights users on 10/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:35 am -
1 stop26h 10m
Fri 12/119:30 pm -
1 stop41h 50m
Deal found 10/22![Philippine Airlines logo]()
$1,103
This Mytrip deal was found by Cheapflights users on 10/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:35 am -
1 stop26h 10m
Thu 11/1212:10 am -
3 stops35h 30m
Deal found 10/20![Multiple Airlines logo]()
$1,163
This Mytrip deal was found by Cheapflights users on 10/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:35 am -
1 stop26h 30m
Tue 11/312:10 am -
3 stops35h 30m
Deal found 10/19![Multiple Airlines logo]()
$1,217
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:50 pm -
1 stop29h 15m
Sat 11/288:40 am -
1 stop31h 45m
Deal found 10/24![Multiple Airlines logo]()
$1,284
Best flights from Perth to SeattleDiscover carefully curated flight deals from Perth to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
Discover carefully curated flight deals from Perth to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:35 am -
1 stop26h 10m
Sun 11/298:40 am -
2 stops29h 35m
Deal found 10/23![Multiple Airlines logo]()
$1,152
This Singapore Airlines deal was found by Cheapflights users on 10/22. 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.
Tue 1/261:50 pm -
1 stop33h 15m
Tue 2/98:40 am -
1 stop23h 25m
Deal found 10/22![Singapore Airlines logo]()
$1,251
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Tue 1/2611:45 pm -
3 stops37h 32m
Tue 2/91:18 pm -
2 stops31h 12m
Deal found 10/22![United Airlines logo]()
$1,382
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:50 pm -
1 stop29h 15m
Sat 11/288:40 am -
1 stop31h 45m
Deal found 10/24![Multiple Airlines logo]()
$1,284
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Fri 12/2510:30 pm -
2 stops35h 59m
Tue 1/261:18 pm -
2 stops31h 12m
Deal found 10/20![United Airlines logo]()
$1,791
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 12/2411:30 pm -
2 stops34h 59m
Mon 1/41:18 pm -
2 stops32h 52m
Deal found 10/19![United Airlines logo]()
$1,978
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/17:25 am -
2 stops26h 45m
Mon 2/14:39 pm -
2 stops38h 16m
Deal found 10/21![Multiple Airlines logo]()
$2,345
Last-minute flights from Perth to SeattleDiscover last-minute flight deals from Perth to Seattle. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Perth to Seattle. Data last updated October 24, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 10/19. 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.
Thu 10/228:35 am -
1 stop26h 30m
Wed 11/49:30 pm -
1 stop41h 50m
Deal found 10/19![Philippine Airlines logo]()
$906
This Mytrip deal was found by Cheapflights users on 10/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:35 am -
1 stop26h 30m
Tue 11/312:10 am -
3 stops35h 30m
Deal found 10/19![Multiple Airlines logo]()
$1,217
This Gotogate deal was found by Cheapflights users on 10/20. 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.
Thu 11/58:35 am -
1 stop26h 10m
Fri 11/139:30 pm -
1 stop41h 50m
Deal found 10/20![Philippine Airlines logo]()
$918
This Mytrip deal was found by Cheapflights users on 10/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:35 am -
1 stop26h 10m
Thu 11/1212:10 am -
3 stops35h 30m
Deal found 10/20![Multiple Airlines logo]()
$1,163
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:35 am -
1 stop26h 10m
Sun 11/298:40 am -
1 stop31h 45m
Deal found 10/23![Multiple Airlines logo]()
$1,075
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:50 pm -
1 stop29h 15m
Sat 11/288:40 am -
1 stop31h 45m
Deal found 10/24![Multiple Airlines logo]()
$1,284
One-way flights from Perth to SeattleSearch for one-way flight options from Perth to Seattle. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Perth to Seattle. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This SmartFares deal was found by Cheapflights users on 10/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/18:35 am -
1 stop26h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Philippine Airlines logo]()
$541
This FlightHub deal was found by Cheapflights users on 10/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:35 am -
1 stop26h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Philippine Airlines logo]()
$551
This Philippine Airlines deal was found by Cheapflights users on 10/21. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:35 am -
1 stop26h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Philippine Airlines logo]()
$563
This Trip.com deal was found by Cheapflights users on 10/23. 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.
Mon 3/18:25 pm -
2 stops57h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$609
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:45 pm -
3 stops45h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$636
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:55 am -
3 stops42h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$649
This FlightHub deal was found by Cheapflights users on 10/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:35 am -
1 stop26h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Philippine Airlines logo]()
$683
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:05 am -
3 stops49h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$693
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 October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $918 (Gotogate) |
One-way from | $541 (SmartFares) |
Popular in | December |
Cheapest in | February |
Average price | $1,402 |
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 7,457,451 searches. Data last updated October 24, 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
Cheapest round-trip
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Mon 3/1
8:25 pm-2:10 pm
2 stops57h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$609
Quickest round-trip
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Thu 12/10
8:35 am-6:45 pm
1 stop26h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$689
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Tue 11/17
11:45 pm-11:33 pm
2 stops39h 48m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$794
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Thu 12/31
8:35 am-6:45 pm
1 stop26h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$832
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Fri 11/20
10:30 pm-4:26 pm
2 stops33h 56m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$849
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Sat 11/21
1:20 pm-8:47 pm
2 stops47h 27m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$855
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Thu 12/10
8:45 am-9:55 am
2 stops41h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$1,105
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Thu 12/10
5:20 pm-9:55 am
2 stops32h 35m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$1,109
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Mon 11/9
8:35 am-6:45 pm
1 stop26h 10m
Seattle/Tacoma Intl
Sun 11/29
8:40 am-6:15 am
2 stops29h 35m
$1,152
PerthSeattle
PER Perth - SEA Seattle/Tacoma Intl
PERSEA
Perth
Tue 1/26
1:50 pm-7:05 am
1 stop33h 15m
Seattle/Tacoma Intl
Tue 2/9
8:40 am-12:05 am
1 stop23h 25m
$1,251
Showing 1-10 of 15 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Perth-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Perth-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Perth-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Perth-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Perth-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
PER-SEA
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
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Lakewood
Poulsbo
Marysville
Shoreline
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Seattle flight routes