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$712+ Cheap flights from Washington, D.C. (WAS) to Adelaide (ADL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ADL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Adelaide

Cheapest flights from Washington, D.C. to Adelaide
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 January 29, 2026.

This Expedia deal was found by Cheapflights users on 1/28. 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.
Sat 3/143:20 pm
BWI
-
ADL
2 stops35h 55m
Qantas Airways
Sat 3/216:25 am
ADL
-
BWI
2 stops31h 04m
Qantas Airways
Deal found 1/28$1,199
This Air Canada deal was found by Cheapflights users on 1/28. 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.
Fri 5/111:00 am
DCA
-
ADL
3 stops39h 25m
Air Canada
Mon 5/48:00 pm
ADL
-
DCA
3 stops39h 58m
Air Canada
Deal found 1/28$1,212
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/912:35 pm
IAD
-
ADL
2 stops29h 25m
United Airlines
Mon 2/232:55 pm
ADL
-
IAD
2 stops23h 54m
United Airlines
Deal found 1/29$1,215
This Qantas Airways deal was found by Cheapflights users on 1/26. 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 2/182:14 pm
DCA
-
ADL
2 stops27h 41m
Qantas Airways
Sat 2/2810:10 am
ADL
-
DCA
2 stops26h 14m
Qantas Airways
Deal found 1/26$1,268
This FlightHub deal was found by Cheapflights users on 1/28. 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 3/1012:33 pm
IAD
-
ADL
2 stops33h 37m
Multiple Airlines
Thu 3/196:00 am
ADL
-
IAD
2 stops28h 56m
Multiple Airlines
Deal found 1/28$1,271
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/1310:30 pm
IAD
-
ADL
2 stops43h 30m
United Airlines
Mon 2/232:55 pm
ADL
-
IAD
1 stop30h 02m
United Airlines
Deal found 1/27$1,273
This Bravofly deal was found by Cheapflights users on 1/28. 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.
Sat 3/1411:36 am
DCA
-
ADL
2 stops31h 19m
Qantas Airways
Sat 3/2112:00 pm
ADL
-
DCA
2 stops25h 30m
Qantas Airways
Deal found 1/28$1,299
This oojo deal was found by Cheapflights users on 1/27. 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.
Wed 2/183:21 pm
BWI
-
ADL
2 stops28h 04m
Qantas Airways
Sat 2/2810:10 am
ADL
-
BWI
2 stops28h 19m
Qantas Airways
Deal found 1/27$1,306
This oojo deal was found by Cheapflights users on 1/26. 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 3/105:37 pm
IAD
-
ADL
2 stops26h 48m
Qantas Airways
Thu 3/197:00 pm
ADL
-
IAD
2 stops42h 23m
Qantas Airways
Deal found 1/26$1,312
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/146:26 pm
BWI
-
ADL
1 stop23h 34m
United Airlines
Sat 3/141:55 pm
ADL
-
BWI
1 stop31h 54m
United Airlines
Deal found 1/27$1,318
This United Airlines deal was found by Cheapflights users on 1/28. 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 3/1412:37 pm
DCA
-
ADL
2 stops29h 23m
United Airlines
Sat 3/212:15 pm
ADL
-
DCA
1 stop22h 00m
United Airlines
Deal found 1/28$1,318
This United Airlines deal was found by Cheapflights users on 1/28. 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 3/1412:35 pm
IAD
-
ADL
1 stop29h 25m
United Airlines
Sat 3/212:15 pm
ADL
-
IAD
1 stop31h 46m
United Airlines
Deal found 1/28$1,318

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,199
(Expedia)

One-way from

$712
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Adelaide flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Adelaide flights.
Search Deals
From Washington, D.C. (WAS) to Adelaide
Search Deals
One-way flight from Washington, D.C. (WAS) to Adelaide
Search Deals

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 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Adelaide that are best for you.

Fly from

Washington, D.C.

Fly to

Adelaide

Route

Depart

Return

Price

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 3/14

3:20 pm-5:45 pm

2 stops35h 55m

Adelaide

Sat 3/21

6:25 am-10:59 pm

2 stops31h 04m

$1,199

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 5/1

11:00 am-3:55 pm

3 stops39h 25m

Adelaide

Mon 5/4

8:00 pm-10:28 pm

3 stops39h 58m

$1,212

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 2/9

4:10 pm-9:30 am

1 stop25h 50m

Adelaide

Mon 2/23

2:55 pm-5:27 am

1 stop30h 02m

$1,215

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 2/18

2:14 pm-9:25 am

2 stops27h 41m

Adelaide

Sat 2/28

10:10 am-8:54 pm

2 stops26h 14m

$1,268

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 3/10

12:33 pm-12:40 pm

2 stops33h 37m

Adelaide

Thu 3/19

6:00 am-8:26 pm

2 stops28h 56m

$1,271

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Fri 2/13

10:30 pm-9:30 am

2 stops43h 30m

Adelaide

Mon 2/23

2:55 pm-5:27 am

1 stop30h 02m

$1,273

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 3/14

11:36 am-9:25 am

2 stops31h 19m

Adelaide

Sat 3/21

12:00 pm-11:00 pm

2 stops25h 30m

$1,299

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Wed 2/18

3:21 pm-10:55 am

2 stops28h 04m

Adelaide

Sat 2/28

10:10 am-10:59 pm

2 stops28h 19m

$1,306

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 3/10

5:37 pm-10:55 am

2 stops26h 48m

Adelaide

Thu 3/19

7:00 pm-10:53 pm

2 stops42h 23m

$1,312

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 3/14

8:31 am-8:30 am

1 stop33h 29m

Adelaide

Sat 3/21

2:15 pm-7:19 am

1 stop31h 34m

$1,318

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 28 results
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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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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
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 January 29, 2026.
Get a feel of what it's like to fly with Fiji Airways, Air New Zealand, and Qantas Airways 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.
Fiji Airways
8.0
Very good
223 reviews

Comfort

8.0

Crew

8.5

Boarding

8.1

Food

7.4

Entertainment

7.5

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Fiji Airways
8.0
Very good
223 reviews
Fiji Airways
8.0
Very good
223 reviews

Comfort

8.0

Crew

8.5

Boarding

8.1

Food

7.4

Entertainment

7.5

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Air New Zealand
8.0
Very good
577 reviews
Fiji Airways
8.0
Very good
223 reviews

Comfort

8.0

Crew

8.5

Boarding

8.1

Food

7.4

Entertainment

7.5

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Qantas Airways
7.5
Good
981 reviews
Fiji Airways
8.0
Very good
223 reviews

Comfort

8.0

Crew

8.5

Boarding

8.1

Food

7.4

Entertainment

7.5

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

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.

  • What airport do you fly into for flights to Adelaide from Washington, D.C.?

    If you book a flight to Adelaide from Washington, D.C., you will be flying to Adelaide, which is the city’s only airport. Adelaide (ADL) is located 4.1 mi from the center of Adelaide. There are 0 flights from Washington, D.C. to Adelaide per day from 1 airline.

  • How long is the flight from Washington, D.C. to Adelaide?

    A quick flight from Washington, D.C. to Adelaide can take about 25h 50m. Qantas Airways provides one of the quickest options available for as low as $1,215. The distance between Washington, D.C. and Adelaide is about 10437 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Washington, D.C. to Adelaide round-trip?

    Flying on Qantas Airways is currently your cheapest option to Adelaide, with prices starting at $587.

  • What are the most popular routes from Washington, D.C. to Adelaide?

    The most popular flight routes from Washington, D.C. to Adelaide are Washington, D.C. Dulles Intl - Adelaide, Baltimore/Washington - Adelaide and Washington, D.C. Reagan-National - Adelaide.

  • Can I find deals for flights from Washington, D.C. to Adelaide that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Adelaide flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Adelaide.

  • Can I find deals for business class flights from Washington, D.C. to Adelaide?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

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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 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$587Average$1,710FlexibilityNo cancel feeOn-time74%

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