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Cheap flights from Washington, D.C. to Adelaide from $1,558

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ADL
25 Dec — 1 Jan1
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 25 November 2025.

Round-trip from

$1,971

One-way from

$1,558
Air Canada
  • Air Canada
  • 14/3-18/3
  • 6 total stops
  • 97h 10m total
  • Washington, D.C. to Adelaide
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United Airlines
  • United Airlines
  • 20/1
  • 2 total stops
  • 71h 15m 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 25 November 2025.

Sat 29/1114:58BWI - ADL
2 stops36h 22mQantas Airways
Sat 6/1208:45ADL - BWI
2 stops53h 39mQantas Airways
Deal found 23/11$2,294
Sat 29/1105:35BWI - ADL
3 stops37h 50mMultiple Airlines
Sat 6/1206:35ADL - BWI
3 stops42h 12mMultiple Airlines
Deal found 23/11$2,982
Tue 9/1215:20BWI - ADL
2 stops33h 35mQantas Airways
Fri 9/110:10ADL - BWI
2 stops28h 30mQantas Airways
Deal found 23/11$2,988
Tue 9/1217:59DCA - ADL
2 stops28h 41mUnited Airlines
Fri 9/106:00ADL - DCA
2 stops28h 11mUnited Airlines
Deal found 23/11$3,380
Tue 9/1215:23IAD - ADL
2 stops31h 17mUnited Airlines
Fri 9/109:30ADL - IAD
2 stops26h 54mUnited Airlines
Deal found 24/11$3,380
Sat 29/1106:30IAD - ADL
2 stops36h 55mAir New Zealand
Sat 6/1218:30ADL - IAD
2 stops37h 26mAir New Zealand
Deal found 23/11$3,496
Sat 29/1120:05IAD - ADL
1 stop29h 30mQatar Airways
Sat 6/1206:00ADL - IAD
2 stops49h 25mQatar Airways
Deal found 23/11$3,590
Sat 29/1112:59DCA - ADL
2 stops33h 16mQantas Airways
Sat 6/1206:00ADL - DCA
2 stops29h 30mQantas Airways
Deal found 23/11$3,776
Sat 29/1120:40DCA - ADL
3 stops55h 00mMultiple Airlines
Sat 6/1206:00ADL - DCA
3 stops32h 05mMultiple Airlines
Deal found 23/11$3,806
Sat 29/1122:11IAD - ADL
3 stops48h 14mAir Canada
Sat 6/1206:00ADL - IAD
3 stops29h 56mAir Canada
Deal found 23/11$3,813
Sat 29/1111:10IAD - ADL
2 stops39h 30mMultiple Airlines
Sat 6/1219:00ADL - IAD
3 stops41h 13mMultiple Airlines
Deal found 23/11$4,538
Tue 9/1209:41DCA - ADL
3 stops36h 34mMultiple Airlines
Fri 9/112:00ADL - DCA
2 stops43h 06mMultiple Airlines
Deal found 24/11$4,683

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 25 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

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 14/3

18:50-13:55

3 stops52h 35m

Adelaide

Wed 18/3

19:55-22:35

3 stops41h 10m

$1,971

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

$2,028

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

$2,211

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 10/3

12:35-14:10

2 stops35h 05m

Adelaide

Thu 19/3

06:10-01:03

2 stops33h 23m

$2,363

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 2/5

13:00-11:05

3 stops32h 35m

Adelaide

Sat 9/5

18:50-16:56

2 stops35h 36m

$2,373

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 17/1

08:00-10:55

2 stops35h 25m

Adelaide

Fri 20/3

11:55-22:30

2 stops25h 05m

$2,451

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 17/1

08:42-09:30

1 stop33h 18m

Adelaide

Fri 20/3

06:10-17:23

2 stops25h 43m

$2,589

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 13/1

15:41-15:25

2 stops32h 14m

Adelaide

Fri 20/3

10:10-22:24

2 stops26h 44m

$2,675

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 17/1

17:59-09:30

1 stop24h 01m

Adelaide

Fri 20/3

08:30-21:45

2 stops27h 45m

$2,682

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 17/1

18:15-09:30

1 stop23h 45m

Adelaide

Fri 20/3

06:10-19:27

2 stops27h 47m

$2,682

Flights are sorted by cheapest return flights first.

Deals found on 22/11

Showing 1-10 of 32 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 or United Airlines 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. 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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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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