$510+ Cheap flights from Seattle (SEA) to Perth (PER)
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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PER
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Perth 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 Seattle to Perth
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to PerthExplore the most affordable flight options available from Seattle to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Seattle to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
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.
Wed 11/49:30 pm -
1 stop41h 50m
Thu 11/198:35 am -
1 stop26h 10m
Deal found 10/20![Philippine Airlines logo]()
$1,093
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:05 pm -
2 stops34h 30m
Mon 11/233:15 pm -
2 stops43h 07m
Deal found 10/20![Air Canada logo]()
$1,126
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:05 pm -
2 stops28h 05m
Mon 11/93:15 pm -
2 stops39h 22m
Deal found 10/20![Multiple Airlines logo]()
$1,138
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:30 pm -
1 stop41h 50m
Mon 11/238:35 am -
1 stop26h 10m
Deal found 10/20![Philippine Airlines logo]()
$1,155
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.
Tue 11/312:10 am -
3 stops35h 30m
Thu 11/198:35 am -
1 stop26h 10m
Deal found 10/21![Multiple Airlines logo]()
$1,169
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:00 pm -
2 stops41h 55m
Mon 11/238:35 am -
1 stop26h 10m
Deal found 10/20![Multiple Airlines logo]()
$1,248
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:00 pm -
2 stops41h 55m
Thu 11/128:35 am -
1 stop26h 10m
Deal found 10/24![Multiple Airlines logo]()
$1,254
Best flights from Seattle to PerthDiscover carefully curated flight deals from Seattle to Perth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Seattle to Perth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:59 pm -
2 stops31h 26m
Sat 12/53:20 pm -
2 stops35h 41m
Deal found 10/22![Qantas Airways logo]()
$1,431
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:25 am -
1 stop44h 30m
Fri 12/48:30 am -
2 stops28h 54m
Deal found 10/22![Cathay Pacific logo]()
$1,444
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/119:02 am -
2 stops36h 53m
Sun 5/211:55 pm -
3 stops36h 17m
Deal found 10/21![United Airlines logo]()
$1,522
This Singapore 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/205:55 pm -
2 stops29h 50m
Thu 4/151:10 am -
3 stops34h 21m
Deal found 10/20![Multiple Airlines logo]()
$1,755
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/203:50 pm -
1 stop34h 55m
Sat 1/2310:45 pm -
1 stop28h 55m
Deal found 10/22![Qatar Airways logo]()
$1,900
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1810:25 am -
1 stop44h 30m
Fri 1/228:30 am -
1 stop40h 15m
Deal found 10/22![Cathay Pacific logo]()
$1,488
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:01 am -
2 stops37h 29m
Wed 12/307:20 am -
2 stops25h 12m
Deal found 10/24![United Airlines logo]()
$1,558
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:25 am -
1 stop44h 30m
Fri 11/2712:25 am -
1 stop24h 20m
Deal found 10/24![Cathay Pacific logo]()
$1,679
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:00 am -
2 stops36h 20m
Mon 12/1410:30 pm -
2 stops31h 53m
Deal found 10/23![United Airlines logo]()
$1,710
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.
Mon 1/183:34 pm -
2 stops30h 36m
Fri 1/2211:45 pm -
3 stops37h 32m
Deal found 10/22![United Airlines logo]()
$1,720
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.
Sat 1/27:25 pm -
2 stops26h 45m
Sun 1/1710:30 pm -
2 stops29h 52m
Deal found 10/19![United Airlines logo]()
$1,865
Last-minute flights from Seattle to PerthDiscover last-minute flight deals from Seattle to Perth. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Perth. Data last updated October 25, 2026 and is based on user searches.
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:05 pm -
2 stops28h 05m
Mon 11/93:15 pm -
2 stops39h 22m
Deal found 10/20![Multiple Airlines logo]()
$1,138
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:00 pm -
2 stops41h 55m
Thu 11/128:35 am -
1 stop26h 10m
Deal found 10/24![Multiple Airlines logo]()
$1,254
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.
Tue 11/312:10 am -
3 stops35h 30m
Thu 11/198:35 am -
1 stop26h 10m
Deal found 10/21![Multiple Airlines logo]()
$1,169
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.
Wed 11/49:30 pm -
1 stop41h 50m
Thu 11/198:35 am -
1 stop26h 10m
Deal found 10/20![Philippine Airlines logo]()
$1,093
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:05 pm -
2 stops34h 30m
Mon 11/233:15 pm -
2 stops43h 07m
Deal found 10/20![Air Canada logo]()
$1,126
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:30 pm -
1 stop41h 50m
Mon 11/238:35 am -
1 stop26h 10m
Deal found 10/20![Philippine Airlines logo]()
$1,155
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:00 pm -
2 stops41h 55m
Mon 11/238:35 am -
1 stop26h 10m
Deal found 10/20![Multiple Airlines logo]()
$1,248
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:30 pm -
1 stop41h 50m
Thu 12/38:35 am -
1 stop26h 10m
Deal found 10/24![Philippine Airlines logo]()
$1,240
One-way flights from Seattle to PerthSearch for one-way flight options from Seattle to Perth. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Seattle to Perth. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
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.
Sun 3/149:40 am -
1 stop31h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$510
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/298:40 am -
1 stop31h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$517
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/98:40 am -
2 stops29h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$536
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/78:40 am -
2 stops29h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$538
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/108:40 am -
2 stops52h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$540
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/58:40 am -
1 stop31h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$559
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:30 pm -
1 stop41h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Philippine Airlines logo]()
$573
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.
Mon 11/169:30 pm -
1 stop41h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Philippine Airlines logo]()
$574
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:40 pm -
3 stops46h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$579
Find flight deals from Seattle to Perth
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Perth (PER). 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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,093 (Mytrip) |
One-way from | $510 (Kiwi.com) |
Popular in | November |
Cheapest in | June |
Average price | $1,338 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Perth 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 25, 2026.
Use the filters below to find and compare flights from Seattle to Perth that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattlePerth
SEA Seattle/Tacoma Intl - PER Perth
SEAPER
Seattle/Tacoma Intl
Sun 3/14
9:40 am-8:25 am
1 stop31h 45m
Perth
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$510
SeattlePerth
SEA Seattle/Tacoma Intl - PER Perth
SEAPER
Seattle/Tacoma Intl
Mon 11/16
9:30 pm-7:20 am
1 stop41h 50m
Perth
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$574
SeattlePerth
SEA Seattle/Tacoma Intl - PER Perth
SEAPER
Seattle/Tacoma Intl
Mon 11/30
3:40 pm-5:50 am
3 stops46h 10m
Perth
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$579
SeattlePerth
SEA Seattle/Tacoma Intl - PER Perth
SEAPER
Seattle/Tacoma Intl
Wed 3/10
3:45 pm-4:45 am
3 stops45h 00m
Perth
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$590
SeattlePerth
SEA Seattle/Tacoma Intl - PER Perth
SEAPER
Seattle/Tacoma Intl
Sun 11/15
9:30 pm-3:40 am
3 stops38h 10m
Perth
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$596
SeattlePerth
SEA Seattle/Tacoma Intl - PER Perth
SEAPER
Seattle/Tacoma Intl
Mon 11/16
9:30 pm-7:55 pm
3 stops54h 25m
Perth
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$635
SeattlePerth
SEA Seattle/Tacoma Intl - PER Perth
SEAPER
Seattle/Tacoma Intl
Thu 3/11
10:25 am-10:55 pm
1 stop44h 30m
Perth
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$638
SeattlePerth
SEA Seattle/Tacoma Intl - PER Perth
SEAPER
Seattle/Tacoma Intl
Thu 3/11
4:20 pm-1:20 am
3 stops41h 00m
Perth
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$651
SeattlePerth
SEA Seattle/Tacoma Intl - PER Perth
SEAPER
Seattle/Tacoma Intl
Sat 11/14
10:25 am-7:55 pm
2 stops41h 30m
Perth
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$710
SeattlePerth
SEA Seattle/Tacoma Intl - PER Perth
SEAPER
Seattle/Tacoma Intl
Sun 11/29
11:45 pm-5:50 am
3 stops38h 05m
Perth
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$729
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Seattle to Perth
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Perth in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Perth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Perth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Perth flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Perth 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 Seattle-Perth 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 Seattle to Perth
Have a flexible travel schedule? Discover the best time to fly to Perth from Seattle with our price prediction graph.
SEA-PER
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 Seattle to Perth
Reviews of airlines servicing Perth
Get insights into the airlines that provide service to Perth. 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 Perth. Reviews last updated October 25, 2026.
See what other customers who have flown with Singapore Airlines and Qatar Airways from Seattle to Perth have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.2
Entertainment
8.1
Food
7.8
Comfort
8.0
Boarding
8.3
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Overall
8.2
Entertainment
8.1
Food
7.8
Comfort
8.0
Boarding
8.3
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Overall
8.2
Entertainment
8.1
Food
7.8
Comfort
8.0
Boarding
8.3
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Related info for your journey
Find useful and relevant information for your journey from Seattle to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Perth flight routes
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Alternative routes for Seattle to Perth
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Complete your trip
Complete your trip to Perth by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Perth by cabin class
Find flights from Seattle to Perth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Perth flights
Browse other Seattle and Perth flight options. Last updated on October 25, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Other flights to Perth
Explore flights to Perth departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Seattle to Perth
Discover the top 2 airlines that operate flights from Seattle to Perth. 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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,232 | Average$1,370 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,240 | Average$1,821 | FlexibilityNo cancel fee | On-time68% |