$835+ Cheap flights from Washington, D.C. (WAS) 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ADL
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Find cheap flights from Washington, D.C. to Adelaide 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 Washington, D.C. to Adelaide
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Cheapest flights from Washington, D.C. to AdelaideExplore the most affordable flight options available from Washington, D.C. to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from Washington, D.C. to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This Air Canada deal was found by Cheapflights users on 9/18. 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 11/39:40 am -
3 stops36h 55m
Tue 11/107:55 pm -
3 stops42h 13m
Deal found 9/18![Multiple Airlines logo]()
$1,429
This Air Canada deal was found by Cheapflights users on 9/18. 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 11/312:39 pm -
3 stops33h 56m
Tue 11/107:55 pm -
3 stops39h 45m
Deal found 9/18![Multiple Airlines logo]()
$1,429
This Air Canada deal was found by Cheapflights users on 9/16. 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 10/299:55 am -
3 stops37h 30m
Sat 11/76:00 am -
3 stops29h 40m
Deal found 9/16![Air Canada logo]()
$1,492
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/16:34 pm -
2 stops28h 06m
Sun 11/87:55 pm -
2 stops37h 01m
Deal found 9/17![United Airlines logo]()
$1,501
This oojo deal was found by Cheapflights users on 9/16. 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.
Sat 10/316:39 am -
2 stops37h 46m
Sat 11/75:20 pm -
2 stops43h 01m
Deal found 9/16![Air New Zealand logo]()
$1,575
This oojo deal was found by Cheapflights users on 9/18. 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.
Tue 11/311:51 am -
2 stops33h 14m
Tue 11/107:10 pm -
2 stops39h 37m
Deal found 9/18![Qantas Airways logo]()
$1,606
This Ovago deal was found by Cheapflights users on 9/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:50 pm -
2 stops30h 35m
Tue 11/106:00 am -
2 stops28h 31m
Deal found 9/18![Air New Zealand logo]()
$1,675
This Cathay Pacific deal was found by Cheapflights users on 9/18. 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.
Tue 11/35:40 pm -
3 stops45h 55m
Tue 11/107:45 pm -
3 stops37h 38m
Deal found 9/18![Multiple Airlines logo]()
$1,744
This oojo deal was found by Cheapflights users on 9/18. 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.
Tue 11/312:50 pm -
2 stops30h 35m
Tue 11/106:25 am -
2 stops31h 35m
Deal found 9/18![Air New Zealand logo]()
$1,759
This BusinessClass deal was found by Cheapflights users on 9/17. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:54 pm -
2 stops49h 31m
Sun 11/86:05 am -
2 stops28h 09m
Deal found 9/17![Air New Zealand logo]()
$1,783
This Gurufare deal was found by Cheapflights users on 9/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:36 pm -
2 stops47h 49m
Sun 11/812:05 pm -
2 stops25h 55m
Deal found 9/17![Air New Zealand logo]()
$1,801
This United deal was found by Cheapflights users on 9/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:20 pm -
2 stops30h 20m
Sun 12/67:55 pm -
2 stops36h 04m
Deal found 9/17![Multiple Airlines logo]()
$1,821
Best flights from Washington, D.C. to AdelaideDiscover carefully curated flight deals from Washington, D.C. to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Washington, D.C. to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This Air Canada deal was found by Cheapflights users on 9/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:40 am -
3 stops36h 55m
Tue 11/107:55 pm -
3 stops42h 13m
Deal found 9/19![Multiple Airlines logo]()
$1,479
This lastminute.com deal was found by Cheapflights users on 9/19. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:40 pm -
2 stops27h 25m
Tue 11/107:50 am -
2 stops30h 16m
Deal found 9/19![Qantas Airways logo]()
$1,635
This Cathay Pacific deal was found by Cheapflights users on 9/18. 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 2/1510:13 am -
2 stops32h 47m
Fri 2/1912:00 pm -
2 stops45h 33m
Deal found 9/18![Cathay Pacific logo]()
$1,704
This oojo deal was found by Cheapflights users on 9/18. 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.
Tue 11/312:50 pm -
2 stops30h 35m
Tue 11/106:25 am -
2 stops31h 35m
Deal found 9/18![Air New Zealand logo]()
$1,759
This Air Canada deal was found by Cheapflights users on 9/16. 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.
Mon 2/156:59 am -
3 stops39h 26m
Fri 2/196:00 am -
3 stops42h 28m
Deal found 9/16![Air Canada logo]()
$1,804
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/412:05 pm -
3 stops29h 55m
Wed 1/202:55 pm -
2 stops34h 37m
Deal found 9/15![United Airlines logo]()
$1,858
This Qatar Airways deal was found by Cheapflights users on 9/19. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:05 pm -
1 stop28h 20m
Tue 11/107:50 pm -
2 stops35h 35m
Deal found 9/19![Qatar Airways logo]()
$2,335
This Qantas Airways deal was found by Cheapflights users on 9/17. 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 2/245:27 pm -
2 stops27h 38m
Sun 2/281:20 pm -
2 stops49h 02m
Deal found 9/17![Qantas Airways logo]()
$1,693
This Cathay Pacific deal was found by Cheapflights users on 9/18. 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.
Tue 11/35:40 pm -
3 stops45h 55m
Tue 11/107:45 pm -
3 stops37h 38m
Deal found 9/18![Multiple Airlines logo]()
$1,744
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/56:05 am -
2 stops37h 20m
Wed 1/2012:05 pm -
2 stops44h 00m
Deal found 9/15![Air New Zealand logo]()
$1,774
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/412:05 pm -
3 stops29h 55m
Tue 1/197:15 am -
2 stops24h 50m
Deal found 9/15![United Airlines logo]()
$1,871
This Cathay Pacific deal was found by Cheapflights users on 9/17. 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.
Sun 11/16:59 pm -
3 stops44h 36m
Sun 11/87:45 pm -
3 stops37h 49m
Deal found 9/17![Cathay Pacific logo]()
$1,902
This United deal was found by Cheapflights users on 9/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:20 pm -
2 stops30h 20m
Sun 12/67:55 pm -
2 stops36h 04m
Deal found 9/17![Multiple Airlines logo]()
$1,821
This Cathay Pacific deal was found by Cheapflights users on 9/17. 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.
Sun 11/17:09 pm -
3 stops44h 26m
Sun 11/87:45 pm -
3 stops43h 15m
Deal found 9/17![Cathay Pacific logo]()
$2,126
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/192:40 pm -
1 stop27h 20m
Sat 1/92:55 pm -
1 stop23h 18m
Deal found 9/15![United Airlines logo]()
$2,586
Last-minute flights from Washington, D.C. to AdelaideDiscover last-minute flight deals from Washington, D.C. to Adelaide. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Adelaide. Data last updated September 20, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 9/15. 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 9/186:00 am -
2 stops43h 30m
Fri 10/210:00 pm -
2 stops50h 39m
Deal found 9/15![Qatar Airways logo]()
$2,022
This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:55 pm -
2 stops27h 30m
Fri 10/21:25 pm -
2 stops45h 10m
Deal found 9/15![Air New Zealand logo]()
$2,215
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Sun 10/116:50 pm -
2 stops28h 25m
Sun 10/186:05 am -
2 stops25h 02m
Deal found 9/19![United Airlines logo]()
$1,929
This oojo deal was found by Cheapflights users on 9/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:00 pm -
2 stops32h 45m
Sun 10/1810:00 pm -
1 stop32h 10m
Deal found 9/19![Qatar Airways logo]()
$2,198
This oojo deal was found by Cheapflights users on 9/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:30 am -
2 stops36h 05m
Sun 10/1812:05 pm -
2 stops24h 32m
Deal found 9/19![Air New Zealand logo]()
$2,256
This Air Canada deal was found by Cheapflights users on 9/16. 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 10/299:55 am -
3 stops37h 30m
Sat 11/76:00 am -
3 stops29h 40m
Deal found 9/16![Air Canada logo]()
$1,492
This oojo deal was found by Cheapflights users on 9/16. 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.
Thu 10/2910:10 pm -
2 stops46h 15m
Sat 11/75:20 pm -
2 stops43h 01m
Deal found 9/16![Air New Zealand logo]()
$1,824
This oojo deal was found by Cheapflights users on 9/16. 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.
Thu 10/299:05 pm -
1 stop28h 20m
Sat 11/74:50 pm -
2 stops38h 35m
Deal found 9/16![Qatar Airways logo]()
$2,230
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/293:08 pm -
2 stops30h 17m
Sat 11/76:00 am -
3 stops28h 17m
Deal found 9/16![American Airlines logo]()
$2,301
This oojo deal was found by Cheapflights users on 9/16. 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.
Sat 10/316:39 am -
2 stops37h 46m
Sat 11/75:20 pm -
2 stops43h 01m
Deal found 9/16![Air New Zealand logo]()
$1,575
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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.
Sat 10/316:00 am -
3 stops45h 55m
Sat 11/76:00 am -
3 stops39h 08m
Deal found 9/16![Multiple Airlines logo]()
$1,855
This oojo deal was found by Cheapflights users on 9/16. 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.
Sat 10/319:05 pm -
2 stops47h 20m
Sat 11/710:00 pm -
1 stop33h 25m
Deal found 9/16![Qatar Airways logo]()
$2,219
One-way flights from Washington, D.C. to AdelaideSearch for one-way flight options from Washington, D.C. to Adelaide. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Washington, D.C. to Adelaide. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 12/95:47 pm -
3 stops52h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$835
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 12/106:00 am -
3 stops38h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$868
This United Airlines deal was found by Cheapflights users on 9/18. 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 12/98:00 am -
2 stops40h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![United Airlines logo]()
$910
This Qantas Airways deal was found by Cheapflights users on 9/18. 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.
Thu 12/1011:51 am -
2 stops33h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Qantas Airways logo]()
$1,126
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 12/145:47 pm -
3 stops50h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$1,163
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 1/127:40 pm -
3 stops53h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$1,169
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 12/115:47 pm -
3 stops52h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$1,170
This FlightHub deal was found by Cheapflights users on 9/18. 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.
Fri 1/158:30 am -
2 stops42h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Qantas Airways logo]()
$1,173
This United Airlines deal was found by Cheapflights users on 9/18. 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 1/148:00 am -
1 stop34h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![United Airlines logo]()
$1,177
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 12/101:40 pm -
3 stops31h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$1,203
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 1/156:20 pm -
3 stops55h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$1,204
This United Airlines deal was found by Cheapflights users on 9/18. 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 1/158:00 am -
2 stops38h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![United Airlines logo]()
$1,205
Find flight deals from Washington, D.C. to Adelaide
Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 September 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,315 (oojo) |
One-way from | $835 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. 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 September 20, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Adelaide that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreAdelaide
BWI Baltimore/Washington - ADL Adelaide
BWIADL
Baltimore/Washington
Wed 12/9
8:00 am-4:20 pm
2 stops40h 50m
Adelaide
Wed 12/31
12:00 am-9:30 am
Nonstop0h 00m
$910
BaltimoreAdelaide
BWI Baltimore/Washington - ADL Adelaide
BWIADL
Baltimore/Washington
Thu 12/10
11:51 am-12:35 pm
2 stops33h 14m
Adelaide
Wed 12/31
12:00 am-9:30 am
Nonstop0h 00m
$1,126
BaltimoreAdelaide
BWI Baltimore/Washington - ADL Adelaide
BWIADL
Baltimore/Washington
Thu 1/14
8:00 am-9:30 am
1 stop34h 00m
Adelaide
Wed 12/31
12:00 am-9:30 am
Nonstop0h 00m
$1,177
Washington, D.C.Adelaide
DCA Washington, D.C. Reagan-National - ADL Adelaide
DCAADL
Washington, D.C. Reagan-National
Thu 12/10
1:40 pm-12:15 pm
3 stops31h 05m
Adelaide
Wed 12/31
12:00 am-9:30 am
Nonstop0h 00m
$1,203
Washington, D.C.Adelaide
DCA Washington, D.C. Reagan-National - ADL Adelaide
DCAADL
Washington, D.C. Reagan-National
Thu 1/14
6:00 pm-2:05 pm
3 stops52h 35m
Adelaide
Wed 12/31
12:00 am-9:30 am
Nonstop0h 00m
$1,203
BaltimoreAdelaide
BWI Baltimore/Washington - ADL Adelaide
BWIADL
Baltimore/Washington
Fri 1/15
8:00 am-1:55 pm
2 stops38h 25m
Adelaide
Wed 12/31
12:00 am-9:30 am
Nonstop0h 00m
$1,205
Washington, D.C.Adelaide
DCA Washington, D.C. Reagan-National - ADL Adelaide
DCAADL
Washington, D.C. Reagan-National
Fri 12/11
6:59 pm-12:15 pm
2 stops49h 46m
Adelaide
Wed 12/31
12:00 am-9:30 am
Nonstop0h 00m
$1,207
Washington, D.C.Adelaide
DCA Washington, D.C. Reagan-National - ADL Adelaide
DCAADL
Washington, D.C. Reagan-National
Thu 1/14
10:12 am-10:30 am
2 stops32h 48m
Adelaide
Wed 12/31
12:00 am-9:30 am
Nonstop0h 00m
$1,209
Washington, D.C.Adelaide
DCA Washington, D.C. Reagan-National - ADL Adelaide
DCAADL
Washington, D.C. Reagan-National
Sun 10/18
5:35 pm-7:05 pm
2 stops35h 00m
Adelaide
Wed 12/31
12:00 am-9:30 am
Nonstop0h 00m
$1,209
Quickest round-trip
BaltimoreAdelaide
BWI Baltimore/Washington - ADL Adelaide
BWIADL
Baltimore/Washington
Tue 12/15
5:40 pm-12:35 pm
2 stops27h 25m
Adelaide
Wed 12/31
12:00 am-9:30 am
Nonstop0h 00m
$1,226
Showing 1-10 of 45 resultsSorted by cheapest first
Compare providers for flights from Washington, D.C. to Adelaide
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 Washington, D.C. to Adelaide in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C.-Adelaide flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Adelaide flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Adelaide flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C.-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 Washington, D.C.-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 Washington, D.C. to Adelaide
Have a flexible travel schedule? Discover the best time to fly to Adelaide from Washington, D.C. with our price prediction graph.
WAS-ADL
DCA-ADL
IAD-ADL
BWI-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.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. to Adelaide
WAS-ADL
DCA-ADL
IAD-ADL
BWI-ADL
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Adelaide
Get insights into the airlines that provide service to Adelaide. 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 Adelaide. Reviews last updated September 20, 2026.
Get a feel of what it's like to fly with United Airlines from Washington, D.C. to Adelaide by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Entertainment
7.1
Boarding
7.7
Crew
8.1
Comfort
7.3
Food
6.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Overall
7.4
Entertainment
7.1
Boarding
7.7
Crew
8.1
Comfort
7.3
Food
6.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Adelaide. 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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Complete your trip
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Washington, D.C. and Adelaide flights
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Top airline flying from Washington, D.C. to Adelaide
Discover the top airline that operate flights from Washington, D.C. to Adelaide. 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 September 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,167 | Average$1,223 | FlexibilityNo cancel fee | On-time74% |