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Cheap flights from Washington, D.C. to Adelaide from $1,251

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ADL
20 Jun — 27 Jun1
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 21 May 2026.

Sat 6/615:00
BWI
-
ADL
2 stops28h 55m
Qantas Airways
Wed 15/707:50
ADL
-
BWI
2 stops29h 23m
Qantas Airways
Deal found 20/5$1,916
Sat 6/615:00
BWI
-
ADL
2 stops37h 15m
Qantas Airways
Tue 14/714:20
ADL
-
BWI
2 stops46h 53m
Qantas Airways
Deal found 20/5$1,926
Sun 7/619:11
BWI
-
ADL
2 stops59h 14m
Qantas Airways
Wed 15/707:50
ADL
-
BWI
2 stops29h 23m
Qantas Airways
Deal found 20/5$1,929
Sun 7/619:11
BWI
-
ADL
2 stops49h 39m
Qantas Airways
Tue 14/714:20
ADL
-
BWI
2 stops46h 53m
Qantas Airways
Deal found 20/5$1,939
Tue 1/1212:40
IAD
-
ADL
3 stops33h 45m
Air Canada
Mon 7/1206:00
ADL
-
IAD
3 stops30h 35m
Air Canada
Deal found 18/5$2,096
Sun 1/1115:23
BWI
-
ADL
2 stops35h 07m
Qantas Airways
Sun 8/1106:05
ADL
-
BWI
2 stops47h 55m
Qantas Airways
Deal found 18/5$2,108
Wed 10/619:21
BWI
-
ADL
2 stops26h 39m
Multiple Airlines
Tue 14/706:05
ADL
-
BWI
2 stops25h 22m
Multiple Airlines
Deal found 20/5$2,114
Wed 15/715:03
BWI
-
ADL
3 stops30h 32m
United Airlines
Wed 9/906:05
ADL
-
BWI
2 stops24h 00m
United Airlines
Deal found 21/5$2,132
Mon 8/619:21
BWI
-
ADL
2 stops25h 14m
United Airlines
Mon 13/706:40
ADL
-
BWI
2 stops24h 47m
United Airlines
Deal found 20/5$2,134
Wed 15/719:23
BWI
-
ADL
2 stops25h 12m
United Airlines
Tue 8/920:00
ADL
-
BWI
2 stops34h 05m
United Airlines
Deal found 21/5$2,142
Sun 7/619:21
BWI
-
ADL
2 stops26h 04m
United Airlines
Mon 13/706:40
ADL
-
BWI
2 stops24h 47m
United Airlines
Deal found 20/5$2,143
Tue 9/606:38
BWI
-
ADL
2 stops38h 57m
United Airlines
Wed 15/706:05
ADL
-
BWI
2 stops25h 22m
United Airlines
Deal found 20/5$2,152

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 21 May 2026.

Round-trip from

$1,916

One-way from

$1,251
Qantas Airways
  • Qantas Airways
  • 6/6-15/7
  • 4 total stops
  • 58h 18m total
  • Washington, D.C. to Adelaide
Search Deals
28/5
  • 28/5
  • 3 total stops
  • 57h 43m 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 21 May 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

Mon 8/6

15:00-13:35

2 stops33h 05m

Adelaide

Tue 14/7

16:30-23:43

2 stops44h 43m

$1,926

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sun 1/11

15:23-18:00

2 stops35h 07m

Adelaide

Sun 8/11

06:05-14:30

2 stops47h 55m

$2,108

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Wed 15/7

19:23-11:05

2 stops26h 12m

Adelaide

Mon 7/9

06:00-17:40

2 stops25h 10m

$2,142
Fastest return journey

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 8/6

19:21-10:05

2 stops25h 14m

Adelaide

Fri 17/7

06:05-17:50

2 stops25h 15m

$2,204

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 8/6

19:21-10:05

2 stops25h 14m

Adelaide

Sat 18/7

06:05-17:57

2 stops25h 22m

$2,204

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Wed 15/7

19:23-11:05

2 stops26h 12m

Adelaide

Thu 3/9

20:00-17:40

2 stops35h 10m

$2,214

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Thu 11/6

19:21-10:55

2 stops26h 04m

Adelaide

Sun 12/7

06:05-11:47

3 stops43h 12m

$2,240

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Fri 12/6

19:21-10:55

2 stops26h 04m

Adelaide

Sat 18/7

06:05-17:57

2 stops25h 22m

$2,284

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 1/6

18:59-11:10

2 stops26h 41m

Adelaide

Mon 8/6

06:00-17:57

2 stops25h 27m

$2,430

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 13/7

19:23-11:05

2 stops26h 12m

Adelaide

Fri 11/9

06:00-11:45

3 stops43h 15m

$2,465

Flights are sorted by cheapest return flights first.

Deals found on 21/5

Showing 1-10 of 36 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 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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