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Cheap flights from Washington, D.C. to Adelaide from $1,550

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ADL
23 May — 30 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington, D.C. to Adelaide

Enter your travel dates to find the best prices.

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 23 April 2026.

Fri 8/515:46
DCA
-
ADL
2 stops28h 09m
Qantas Airways
Sat 16/506:00
ADL
-
DCA
2 stops27h 27m
Qantas Airways
Deal found 22/4$2,011
Wed 3/613:53
DCA
-
ADL
2 stops30h 02m
Qantas Airways
Wed 10/606:25
ADL
-
DCA
2 stops28h 35m
Qantas Airways
Deal found 19/4$2,092
Sun 21/608:29
DCA
-
ADL
2 stops37h 06m
Qantas Airways
Thu 2/719:10
ADL
-
DCA
2 stops37h 19m
Qantas Airways
Deal found 20/4$2,107
Thu 4/618:55
DCA
-
ADL
2 stops26h 40m
Qantas Airways
Thu 11/614:25
ADL
-
DCA
2 stops44h 35m
Qantas Airways
Deal found 20/4$2,109
Thu 4/619:24
IAD
-
ADL
2 stops26h 11m
Qantas Airways
Thu 11/614:25
ADL
-
IAD
2 stops41h 39m
Qantas Airways
Deal found 20/4$2,109
Sun 7/618:55
DCA
-
ADL
2 stops49h 00m
Qantas Airways
Sun 14/618:30
ADL
-
DCA
2 stops42h 00m
Qantas Airways
Deal found 23/4$2,114
Sun 7/619:24
IAD
-
ADL
2 stops48h 31m
Qantas Airways
Sun 14/619:45
ADL
-
IAD
2 stops40h 32m
Qantas Airways
Deal found 23/4$2,114
Sun 21/619:24
IAD
-
ADL
2 stops48h 31m
Qantas Airways
Thu 2/720:00
ADL
-
IAD
2 stops36h 02m
Qantas Airways
Deal found 20/4$2,123
Sun 7/618:59
BWI
-
ADL
2 stops26h 41m
United Airlines
Sun 14/620:00
ADL
-
BWI
2 stops35h 13m
United Airlines
Deal found 23/4$2,140
Wed 3/619:23
BWI
-
ADL
2 stops25h 12m
United Airlines
Wed 10/606:05
ADL
-
BWI
2 stops25h 08m
United Airlines
Deal found 19/4$2,235
Tue 8/1216:15
BWI
-
ADL
3 stops30h 10m
United Airlines
Sun 13/1207:15
ADL
-
BWI
2 stops29h 45m
United Airlines
Deal found 20/4$2,245
Tue 8/1211:55
DCA
-
ADL
2 stops30h 00m
Multiple Airlines
Sun 13/1218:30
ADL
-
DCA
2 stops41h 00m
Multiple Airlines
Deal found 20/4$2,278

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 23 April 2026.

Round-trip from

$2,011

One-way from

$1,550
Qantas Airways
  • Qantas Airways
  • 8/5-16/5
  • 4 total stops
  • 55h 36m total
  • Washington, D.C. to Adelaide
Search Deals
1/5
  • 1/5
  • 3 total stops
  • 44h 55m total
  • Washington, D.C. to Adelaide
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 23 April 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

Price

Cheapest return flight

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 8/5

15:46-09:25

2 stops28h 09m

Adelaide

Sat 16/5

06:00-19:57

2 stops27h 27m

$2,011

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 3/6

13:53-09:25

2 stops30h 02m

Adelaide

Wed 10/6

06:25-21:30

2 stops28h 35m

$2,092

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Thu 4/6

19:24-11:05

2 stops26h 11m

Adelaide

Thu 11/6

14:25-18:34

2 stops41h 39m

$2,109

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 7/6

18:55-09:25

2 stops49h 00m

Adelaide

Sun 14/6

18:30-23:00

2 stops42h 00m

$2,114
Fastest return journey

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Wed 3/6

19:23-10:05

2 stops25h 12m

Adelaide

Wed 10/6

06:05-17:43

2 stops25h 08m

$2,235

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Thu 4/6

18:59-11:05

2 stops26h 36m

Adelaide

Thu 11/6

20:00-18:09

2 stops35h 39m

$2,287

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Fri 8/5

18:35-10:55

2 stops26h 50m

Adelaide

Sat 16/5

06:00-17:18

2 stops24h 48m

$2,296

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 8/5

18:59-11:05

2 stops26h 36m

Adelaide

Sat 16/5

06:00-18:00

3 stops25h 30m

$2,410

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 30/5

11:59-11:15

2 stops33h 46m

Adelaide

Wed 3/6

17:10-18:34

2 stops38h 54m

$2,426

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 3/6

12:59-10:55

3 stops32h 26m

Adelaide

Wed 10/6

12:05-22:15

2 stops23h 40m

$2,778

Flights are sorted by cheapest return flights first.

Deals found on 19/4

Showing 1-10 of 27 resultsSorted by cheapest first
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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 return 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.

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.?

    Adelaide (ADL) is the airport you will fly into if you book a flight from Washington, D.C. to Adelaide. You should not have trouble finding flights to Adelaide from Washington, D.C.; the airport handles an average of 0 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Adelaide airport from Washington, D.C.. It is only a 6.6 km journey from Adelaide (ADL) to Adelaide’s city centre.

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

    There are many flights that can get you from Washington, D.C. to Adelaide in 25h 12m. Fly via Qantas Airways, United Airlines, or Air New Zealand to get the fastest option. The distance from Washington, D.C. to Adelaide is about 16864 km. This flight may include one or multiple stops.

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

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

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How does Cheapflights help users find flights from Washington, D.C. to Adelaide?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington, D.C. to Adelaide. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Adelaide?

Cheapflights simply makes it quick and affordable to book flights from Washington, D.C. to Adelaide by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Washington, D.C. to Adelaide with no change fees?

Certainly. Search results for flights to Adelaide from Washington, D.C. shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Adelaide become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Adelaide from Washington, D.C. today and book when prices fit your budget.

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