$757+ Cheap flights from Seattle (SEA) to Adelaide (ADL)
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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ADL
Nov 14 — Nov 211
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Adelaide with Cheapflights
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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
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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 Adelaide
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Best
Last-minute
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Cheapest flights from Seattle to AdelaideExplore the most affordable flight options available from Seattle to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.
Explore the most affordable flight options available from Seattle to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.
This lol.travel deal was found by Cheapflights users on 10/13. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:05 pm -
2 stops28h 35m
Wed 11/186:10 am -
2 stops21h 47m
Deal found 10/13![Air Canada logo]()
$1,250
This lastminute.com deal was found by Cheapflights users on 10/12. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:59 pm -
2 stops43h 41m
Fri 11/276:30 pm -
2 stops24h 20m
Deal found 10/12![Qantas Airways logo]()
$1,277
This Bravofly deal was found by Cheapflights users on 10/13. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:25 am -
1 stop29h 35m
Wed 11/1812:00 pm -
1 stop39h 15m
Deal found 10/13![Cathay Pacific logo]()
$1,328
This Air Canada deal was found by Cheapflights users on 10/12. 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.
Thu 11/263:15 pm -
2 stops28h 20m
Thu 12/36:00 am -
2 stops27h 07m
Deal found 10/12![Multiple Airlines logo]()
$1,349
This Expedia deal was found by Cheapflights users on 10/13. 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.
Fri 11/277:00 am -
2 stops31h 05m
Fri 12/45:20 pm -
2 stops22h 35m
Deal found 10/13![Multiple Airlines logo]()
$1,377
This Mytrip deal was found by Cheapflights users on 10/13. 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 11/113:59 pm -
2 stops27h 16m
Wed 11/187:45 am -
3 stops29h 18m
Deal found 10/13![Multiple Airlines logo]()
$1,381
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/267:35 pm -
2 stops44h 50m
Thu 12/37:55 pm -
3 stops43h 56m
Deal found 10/12![United Airlines logo]()
$1,389
This American Airlines deal was found by Cheapflights users on 10/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/295:00 pm -
2 stops26h 00m
Sun 12/66:00 am -
2 stops28h 42m
Deal found 10/15![American Airlines logo]()
$1,429
This lastminute.com deal was found by Cheapflights users on 10/12. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:25 am -
1 stop29h 35m
Fri 11/2712:00 pm -
2 stops37h 37m
Deal found 10/12![Cathay Pacific logo]()
$1,437
This Air Canada deal was found by Cheapflights users on 10/10. 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.
Sat 10/313:15 pm -
2 stops37h 45m
Wed 11/46:10 am -
2 stops21h 52m
Deal found 10/10![Air Canada logo]()
$1,491
Best flights from Seattle to AdelaideDiscover carefully curated flight deals from Seattle to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.
Discover carefully curated flight deals from Seattle to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.
This Bravofly deal was found by Cheapflights users on 10/13. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:25 am -
1 stop29h 35m
Wed 11/1812:00 pm -
2 stops37h 37m
Deal found 10/13![Cathay Pacific logo]()
$1,364
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/267:35 pm -
2 stops44h 50m
Thu 12/37:55 pm -
3 stops43h 56m
Deal found 10/12![United Airlines logo]()
$1,389
This Air Canada deal was found by Cheapflights users on 10/13. 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.
Sat 10/313:15 pm -
2 stops37h 45m
Wed 11/46:10 am -
2 stops21h 52m
Deal found 10/13![Air Canada logo]()
$1,542
This Mytrip deal was found by Cheapflights users on 10/15. 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.
Sun 11/296:03 pm -
2 stops31h 37m
Sun 12/66:10 am -
3 stops26h 46m
Deal found 10/15![Multiple Airlines logo]()
$1,682
This oojo deal was found by Cheapflights users on 10/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/128:40 am -
1 stop38h 10m
Sun 2/2110:15 am -
1 stop63h 20m
Deal found 10/15![Singapore Airlines logo]()
$1,689
This Qatar Airways deal was found by Cheapflights users on 10/13. 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.
Sun 2/143:50 pm -
2 stops34h 20m
Sat 2/2010:00 pm -
1 stop32h 10m
Deal found 10/13![Qatar Airways logo]()
$1,787
This United Airlines deal was found by Cheapflights users on 10/11. 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 3/18:30 am -
2 stops35h 10m
Mon 3/87:15 am -
3 stops32h 27m
Deal found 10/11![United Airlines logo]()
$1,596
This Cathay Pacific deal was found by Cheapflights users on 10/13. 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.
Fri 2/124:45 pm -
3 stops43h 50m
Sun 2/2112:00 pm -
2 stops39h 21m
Deal found 10/13![Multiple Airlines logo]()
$1,833
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/277:05 am -
2 stops33h 20m
Fri 12/47:55 pm -
3 stops43h 56m
Deal found 10/13![United Airlines logo]()
$1,669
Last-minute flights from Seattle to AdelaideDiscover last-minute flight deals from Seattle to Adelaide. Data last updated October 15, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Adelaide. Data last updated October 15, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 10/10. 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.
Sat 10/313:15 pm -
2 stops37h 45m
Wed 11/46:10 am -
2 stops21h 52m
Deal found 10/10![Air Canada logo]()
$1,491
This lol.travel deal was found by Cheapflights users on 10/13. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:05 pm -
2 stops28h 35m
Wed 11/186:10 am -
2 stops21h 47m
Deal found 10/13![Air Canada logo]()
$1,250
This Bravofly deal was found by Cheapflights users on 10/13. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:25 am -
1 stop29h 35m
Wed 11/1812:00 pm -
1 stop39h 15m
Deal found 10/13![Cathay Pacific logo]()
$1,328
This Mytrip deal was found by Cheapflights users on 10/13. 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 11/113:59 pm -
2 stops27h 16m
Wed 11/187:45 am -
3 stops29h 18m
Deal found 10/13![Multiple Airlines logo]()
$1,381
This lastminute.com deal was found by Cheapflights users on 10/12. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:59 pm -
2 stops43h 41m
Fri 11/276:30 pm -
2 stops24h 20m
Deal found 10/12![Qantas Airways logo]()
$1,277
This lastminute.com deal was found by Cheapflights users on 10/12. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:25 am -
1 stop29h 35m
Fri 11/2712:00 pm -
2 stops37h 37m
Deal found 10/12![Cathay Pacific logo]()
$1,437
This Air Canada deal was found by Cheapflights users on 10/12. 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.
Thu 11/263:15 pm -
2 stops28h 20m
Thu 12/36:00 am -
2 stops27h 07m
Deal found 10/12![Multiple Airlines logo]()
$1,349
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/267:35 pm -
2 stops44h 50m
Thu 12/37:55 pm -
3 stops43h 56m
Deal found 10/12![United Airlines logo]()
$1,389
This Expedia deal was found by Cheapflights users on 10/13. 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.
Fri 11/277:00 am -
2 stops31h 05m
Fri 12/45:20 pm -
2 stops22h 35m
Deal found 10/13![Multiple Airlines logo]()
$1,377
This American Airlines deal was found by Cheapflights users on 10/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/295:00 pm -
2 stops26h 00m
Sun 12/66:00 am -
2 stops28h 42m
Deal found 10/15![American Airlines logo]()
$1,429
One-way flights from Seattle to AdelaideSearch for one-way flight options from Seattle to Adelaide. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
Search for one-way flight options from Seattle to Adelaide. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
This Expedia deal was found by Cheapflights users on 10/15. 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.
Sun 12/1311:05 am -
2 stops36h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Alaska Airlines logo]()
$757
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 12/133:55 pm -
3 stops28h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$831
This Arangrant deal was found by Cheapflights users on 10/14. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/135:42 pm -
2 stops25h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Qantas Airways logo]()
$2,061
This KAYAK deal was found by Cheapflights users on 10/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/134:05 pm -
1 stop34h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Emirates logo]()
$2,137
This Kiwi.com deal was found by Cheapflights users on 10/11. 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 12/163:40 pm -
3 stops47h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$3,268
This Kiwi.com deal was found by Cheapflights users on 10/11. 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 12/175:40 pm -
3 stops30h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$3,504
Find flight deals from Seattle to Adelaide
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Adelaide (ADL). 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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,250 (lol.travel) |
One-way from | $757 (Expedia) |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Adelaide 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 15, 2026.
Use the filters below to find and compare flights from Seattle to Adelaide that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleAdelaide
SEA Seattle/Tacoma Intl - ADL Adelaide
SEAADL
Seattle/Tacoma Intl
Sun 12/13
11:05 am-5:45 pm
2 stops36h 10m
Adelaide
Wed 12/31
12:00 am-6:30 am
Nonstop0h 00m
$757
SeattleAdelaide
SEA Seattle/Tacoma Intl - ADL Adelaide
SEAADL
Seattle/Tacoma Intl
Sun 12/13
3:55 pm-2:35 pm
3 stops28h 10m
Adelaide
Wed 12/31
12:00 am-6:30 am
Nonstop0h 00m
$831
SeattleAdelaide
SEA Seattle/Tacoma Intl - ADL Adelaide
SEAADL
Seattle/Tacoma Intl
Wed 11/11
10:25 am-10:30 am
1 stop29h 35m
Adelaide
Wed 11/18
12:00 pm-7:07 am
2 stops37h 37m
$1,364
SeattleAdelaide
SEA Seattle/Tacoma Intl - ADL Adelaide
SEAADL
Seattle/Tacoma Intl
Thu 11/26
7:35 pm-10:55 am
2 stops44h 50m
Adelaide
Thu 12/3
7:55 pm-9:21 pm
3 stops43h 56m
$1,389
SeattleAdelaide
SEA Seattle/Tacoma Intl - ADL Adelaide
SEAADL
Seattle/Tacoma Intl
Sat 10/31
3:15 pm-10:30 pm
2 stops37h 45m
Adelaide
Wed 11/4
6:10 am-9:32 am
2 stops21h 52m
$1,542
SeattleAdelaide
SEA Seattle/Tacoma Intl - ADL Adelaide
SEAADL
Seattle/Tacoma Intl
Mon 3/1
8:30 am-2:10 pm
2 stops35h 10m
Adelaide
Mon 3/8
7:15 am-9:12 pm
3 stops32h 27m
$1,596
SeattleAdelaide
SEA Seattle/Tacoma Intl - ADL Adelaide
SEAADL
Seattle/Tacoma Intl
Fri 11/27
7:05 am-10:55 am
2 stops33h 20m
Adelaide
Fri 12/4
7:55 pm-9:21 pm
3 stops43h 56m
$1,669
SeattleAdelaide
SEA Seattle/Tacoma Intl - ADL Adelaide
SEAADL
Seattle/Tacoma Intl
Sun 11/29
6:03 pm-8:10 pm
2 stops31h 37m
Adelaide
Sun 12/6
6:10 am-2:26 pm
3 stops26h 46m
$1,682
SeattleAdelaide
SEA Seattle/Tacoma Intl - ADL Adelaide
SEAADL
Seattle/Tacoma Intl
Fri 2/12
8:40 am-5:20 pm
1 stop38h 10m
Adelaide
Sun 2/21
10:15 am-7:05 am
1 stop63h 20m
$1,689
SeattleAdelaide
SEA Seattle/Tacoma Intl - ADL Adelaide
SEAADL
Seattle/Tacoma Intl
Sun 2/14
3:50 pm-8:40 pm
2 stops34h 20m
Adelaide
Sat 2/20
10:00 pm-11:40 am
1 stop32h 10m
$1,787
Showing 1-10 of 17 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Seattle-Adelaide flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Adelaide flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Adelaide flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Adelaide 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-Adelaide 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 Adelaide
Have a flexible travel schedule? Discover the best time to fly to Adelaide from Seattle with our price prediction graph.
SEA-ADL
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.
Related info for your journey
Find useful and relevant information for your journey from Seattle to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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