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Cheap flights from Washington, D.C. to Adelaide from $1,017

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ADL
21 Aug — 28 Aug1
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 22 July 2026.

Sun 16/818:38
IAD
-
ADL
2 stops27h 47m
Qantas Airways
Tue 1/906:00
ADL
-
IAD
2 stops25h 57m
Qantas Airways
Deal found 21/7$1,815
Sun 16/817:12
DCA
-
ADL
2 stops28h 23m
Qantas Airways
Tue 1/906:00
ADL
-
DCA
2 stops27h 30m
Qantas Airways
Deal found 21/7$1,897
Sun 16/818:52
BWI
-
ADL
2 stops26h 48m
United Airlines
Tue 1/906:05
ADL
-
BWI
3 stops43h 10m
United Airlines
Deal found 21/7$1,933
Sun 16/817:45
DCA
-
ADL
2 stops27h 55m
United Airlines
Tue 1/906:05
ADL
-
DCA
2 stops29h 55m
United Airlines
Deal found 21/7$1,933
Sun 16/806:42
IAD
-
ADL
2 stops38h 58m
United Airlines
Tue 1/906:05
ADL
-
IAD
2 stops26h 30m
United Airlines
Deal found 21/7$1,933
Thu 27/818:38
IAD
-
ADL
2 stops27h 47m
Qantas Airways
Sun 6/906:00
ADL
-
IAD
2 stops30h 22m
Qantas Airways
Deal found 21/7$1,977
Fri 28/806:59
DCA
-
ADL
3 stops41h 26m
Multiple Airlines
Sat 12/914:30
ADL
-
DCA
3 stops45h 34m
Multiple Airlines
Deal found 21/7$1,996
Thu 1/1017:43
BWI
-
ADL
2 stops27h 42m
United Airlines
Wed 7/1006:10
ADL
-
BWI
2 stops25h 59m
United Airlines
Deal found 21/7$2,020
Thu 10/907:00
BWI
-
ADL
2 stops38h 25m
United Airlines
Mon 14/920:00
ADL
-
BWI
2 stops34h 05m
United Airlines
Deal found 21/7$2,043
Tue 24/1118:35
BWI
-
ADL
2 stops28h 05m
United Airlines
Wed 30/1214:55
ADL
-
BWI
2 stops35h 11m
United Airlines
Deal found 19/7$2,123
Tue 3/1118:35
BWI
-
ADL
2 stops33h 05m
Multiple Airlines
Wed 11/1106:10
ADL
-
BWI
2 stops26h 55m
Multiple Airlines
Deal found 17/7$2,124
Wed 7/1008:00
BWI
-
ADL
2 stops41h 15m
Multiple Airlines
Wed 14/1006:10
ADL
-
BWI
2 stops25h 59m
Multiple Airlines
Deal found 17/7$2,143

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 22 July 2026.

Round-trip from

$1,815

One-way from

$1,017
Qantas Airways
  • Qantas Airways
  • 16/8-1/9
  • 4 total stops
  • 53h 44m total
  • Washington, D.C. to Adelaide
Search Deals
31/8
  • 31/8
  • 3 total stops
  • 43h 25m 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 22 July 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

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sun 16/8

18:52-11:10

2 stops26h 48m

Adelaide

Tue 1/9

06:05-11:45

3 stops43h 10m

$1,933

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 28/8

06:59-13:55

3 stops41h 26m

Adelaide

Sat 12/9

14:30-22:34

3 stops45h 34m

$1,996
Fastest return journey

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Thu 1/10

17:43-10:55

2 stops27h 42m

Adelaide

Wed 7/10

06:10-17:39

2 stops25h 59m

$2,020

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Thu 10/9

07:00-10:55

2 stops38h 25m

Adelaide

Mon 14/9

20:00-16:35

2 stops34h 05m

$2,043

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 24/11

18:35-14:10

2 stops28h 05m

Adelaide

Wed 30/12

14:55-10:36

2 stops35h 11m

$2,123

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 3/11

18:35-18:10

2 stops32h 05m

Adelaide

Wed 11/11

07:15-21:23

3 stops29h 38m

$2,129

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 1/9

08:00-10:55

2 stops37h 25m

Adelaide

Tue 8/9

20:00-19:50

2 stops37h 20m

$2,157

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 5/9

06:59-22:35

3 stops50h 06m

Adelaide

Sat 12/9

17:10-19:59

3 stops40h 19m

$2,284

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Fri 28/8

18:35-11:10

2 stops27h 05m

Adelaide

Sat 12/9

18:55-05:55

2 stops48h 30m

$2,294

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 5/9

22:10-13:45

2 stops50h 05m

Adelaide

Sat 12/9

18:55-07:00

2 stops49h 35m

$2,304

Flights are sorted by cheapest return flights first.

Deals found on 18/7

Showing 1-10 of 56 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 28h 48m. Fly via United Airlines, Qantas Airways, or Qatar Airways to get the fastest option. The distance from Washington, D.C. to Adelaide is about 16797 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. Dulles Intl - 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 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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