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Cheap flights from Washington, D.C. to Adelaide from $1,114

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 14/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ADL
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 14 November 2025.

Round-trip from

$1,981

One-way from

$1,114
Air Canada
  • Air Canada
  • 21/2-25/2
  • 6 total stops
  • 94h 27m total
  • Washington, D.C. to Adelaide
Search Deals
14/3
  • 14/3
  • 3 total stops
  • 49h 44m total
  • Washington, D.C. to Adelaide
Search Deals

Find 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 14 November 2025.

Mon 17/1115:23BWI - ADL
2 stops35h 22mQantas Airways
Sat 13/1216:10ADL - BWI
2 stops37h 44mQantas Airways
Deal found 13/11$2,608
Wed 12/1106:51DCA - ADL
2 stops36h 09mMultiple Airlines
Fri 21/1112:00ADL - DCA
2 stops35h 19mMultiple Airlines
Deal found 11/11$2,628
Tue 11/1119:59DCA - ADL
2 stops47h 01mMultiple Airlines
Mon 17/1119:00ADL - DCA
3 stops43h 30mMultiple Airlines
Deal found 10/11$2,652
Fri 14/1106:50DCA - ADL
2 stops36h 10mMultiple Airlines
Fri 21/1112:00ADL - DCA
2 stops35h 56mMultiple Airlines
Deal found 11/11$2,704
Mon 17/1118:35BWI - ADL
2 stops48h 50mAir New Zealand
Thu 11/1211:55ADL - BWI
2 stops25h 02mAir New Zealand
Deal found 14/11$2,744
Tue 9/1215:20BWI - ADL
2 stops29h 00mQantas Airways
Fri 9/116:30ADL - BWI
2 stops46h 10mQantas Airways
Deal found 12/11$2,837
Mon 17/1118:59IAD - ADL
2 stops31h 16mAir New Zealand
Thu 11/1211:55ADL - IAD
2 stops25h 50mAir New Zealand
Deal found 14/11$2,927
Tue 30/1217:59DCA - ADL
2 stops30h 51mUnited Airlines
Tue 13/108:30ADL - DCA
2 stops28h 52mUnited Airlines
Deal found 11/11$3,023
Wed 12/1115:23BWI - ADL
2 stops35h 57mQantas Airways
Fri 21/1109:00ADL - BWI
2 stops29h 24mQantas Airways
Deal found 12/11$3,044
Tue 11/1119:59DCA - ADL
2 stops47h 26mAir New Zealand
Mon 17/1120:00ADL - DCA
2 stops41h 13mAir New Zealand
Deal found 10/11$3,055
Tue 9/1217:59DCA - ADL
2 stops28h 41mUnited Airlines
Fri 9/107:15ADL - DCA
2 stops30h 07mUnited Airlines
Deal found 11/11$3,093
Tue 9/1212:59DCA - ADL
2 stops30h 26mQantas Airways
Fri 9/118:30ADL - DCA
2 stops41h 54mQantas Airways
Deal found 12/11$3,157

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 14 November 2025.
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

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 21/2

22:09-19:10

3 stops53h 31m

Adelaide

Wed 25/2

19:55-21:21

3 stops40h 56m

$1,981

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 14/2

18:25-09:30

1 stop23h 35m

Adelaide

Sat 14/3

13:55-07:19

1 stop31h 54m

$2,001

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sun 22/2

22:30-09:30

2 stops43h 30m

Adelaide

Sat 7/3

14:55-23:55

2 stops24h 30m

$2,008

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sun 22/2

16:09-09:30

2 stops49h 51m

Adelaide

Sat 7/3

14:55-05:04

2 stops29h 39m

$2,034

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Wed 1/4

08:30-10:55

2 stops35h 55m

Adelaide

Thu 30/4

11:55-23:51

2 stops25h 26m

$2,367

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 14/2

12:33-19:10

3 stops39h 07m

Adelaide

Sat 14/3

06:00-20:26

3 stops28h 56m

$2,406

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 14/2

06:20-10:55

2 stops37h 05m

Adelaide

Sat 14/3

06:05-23:56

2 stops32h 21m

$2,461

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 22/2

19:59-10:55

2 stops47h 26m

Adelaide

Sat 7/3

06:25-21:30

2 stops30h 35m

$2,558

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sun 22/2

18:08-17:45

2 stops32h 07m

Adelaide

Sat 7/3

19:00-21:29

3 stops41h 59m

$2,588

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sun 22/2

15:58-17:45

2 stops34h 17m

Adelaide

Sat 7/3

19:00-22:56

3 stops43h 26m

$2,588

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 33 results
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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 23h 35m. Fly via Air Canada, 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 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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Fly with Cheapflights

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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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