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Cheap flights from Washington, D.C. to Adelaide from $924

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ADL
3 Aug — 10 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 4 July 2026.

Sun 2/818:59
BWI
-
ADL
2 stops26h 41m
United Airlines
Mon 17/820:00
ADL
-
BWI
2 stops34h 05m
United Airlines
Deal found 2/7$1,979
Tue 18/808:00
BWI
-
ADL
2 stops37h 35m
United Airlines
Tue 25/820:00
ADL
-
BWI
2 stops35h 10m
United Airlines
Deal found 29/6$1,993
Sat 15/808:00
BWI
-
ADL
2 stops37h 35m
United Airlines
Sat 22/816:30
ADL
-
BWI
2 stops37h 35m
United Airlines
Deal found 1/7$2,065
Fri 14/818:52
BWI
-
ADL
2 stops26h 43m
United Airlines
Fri 21/806:05
ADL
-
BWI
2 stops24h 00m
United Airlines
Deal found 30/6$2,110
Thu 13/818:52
BWI
-
ADL
2 stops29h 23m
United Airlines
Thu 20/820:00
ADL
-
BWI
2 stops35h 10m
United Airlines
Deal found 29/6$2,120
Tue 18/811:05
IAD
-
ADL
3 stops34h 30m
Multiple Airlines
Tue 25/812:40
ADL
-
IAD
3 stops42h 04m
Multiple Airlines
Deal found 1/7$2,277
Sat 15/815:55
BWI
-
ADL
2 stops30h 30m
Multiple Airlines
Sat 22/806:25
ADL
-
BWI
2 stops28h 39m
Multiple Airlines
Deal found 1/7$2,299
Sun 2/819:17
BWI
-
ADL
2 stops26h 18m
Multiple Airlines
Mon 17/808:55
ADL
-
BWI
2 stops28h 16m
Multiple Airlines
Deal found 3/7$2,348
Sat 15/809:30
IAD
-
ADL
3 stops36h 15m
Multiple Airlines
Sat 22/811:50
ADL
-
IAD
3 stops41h 47m
Multiple Airlines
Deal found 1/7$2,420
Fri 14/815:55
BWI
-
ADL
3 stops29h 40m
Qantas Airways
Fri 21/806:00
ADL
-
BWI
3 stops28h 19m
Qantas Airways
Deal found 30/6$2,489
Tue 18/817:35
DCA
-
ADL
2 stops28h 50m
Qantas Airways
Tue 25/806:25
ADL
-
DCA
2 stops28h 32m
Qantas Airways
Deal found 29/6$2,567
Mon 9/1109:40
DCA
-
ADL
3 stops41h 00m
Air Canada
Fri 13/1119:55
ADL
-
DCA
3 stops42h 13m
Air Canada
Deal found 1/7$2,591

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 4 July 2026.

Round-trip from

$1,979

One-way from

$924
United Airlines
  • United Airlines
  • 2/8-17/8
  • 4 total stops
  • 60h 46m total
  • Washington, D.C. to Adelaide
Search Deals
8/8
  • 8/8
  • 3 total stops
  • 37h 30m 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 4 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 2/8

18:59-11:10

2 stops26h 41m

Adelaide

Mon 17/8

20:00-16:35

2 stops34h 05m

$1,979

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 18/8

08:00-11:05

2 stops37h 35m

Adelaide

Tue 25/8

06:05-11:45

3 stops43h 10m

$2,009

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 15/8

08:00-11:05

2 stops37h 35m

Adelaide

Sat 22/8

16:30-16:35

2 stops37h 35m

$2,065
Fastest return journey

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Fri 14/8

18:52-11:05

2 stops26h 43m

Adelaide

Fri 21/8

06:05-16:35

2 stops24h 00m

$2,110

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Thu 13/8

18:52-13:45

2 stops29h 23m

Adelaide

Thu 20/8

20:00-17:40

2 stops35h 10m

$2,120

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 15/8

15:55-11:55

2 stops30h 30m

Adelaide

Sat 22/8

06:25-21:34

2 stops28h 39m

$2,299

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sun 2/8

19:17-11:05

2 stops26h 18m

Adelaide

Mon 17/8

08:55-23:41

2 stops28h 16m

$2,348

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 15/8

09:30-11:15

3 stops36h 15m

Adelaide

Sat 22/8

11:50-16:07

3 stops41h 47m

$2,420

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 3/8

19:17-11:05

2 stops26h 18m

Adelaide

Sun 9/8

19:10-23:41

2 stops42h 01m

$2,511

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Thu 23/7

06:38-11:05

2 stops38h 57m

Adelaide

Thu 30/7

06:05-17:57

2 stops25h 22m

$2,545

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 35 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 26h 41m. Fly via United Airlines, Qantas Airways, or Air Canada 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 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 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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