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Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $2,160

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ADL
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Reagan-National to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 15 September 2025.

Round-trip from

$2,160

Popular in

October

Cheapest in

March
Fiji Airways
  • Fiji Airways
  • 21/10-20/11
  • 4 total stops
  • 50h 17m total
  • Washington, D.C. to Adelaide
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($1,849 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($312 potential savings vs. average return price).
Search Deals

Find flight deals from Reagan-National to Adelaide

Cheapest flights from Reagan-National to Adelaide
Explore the most affordable flight options available from Reagan-National to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Tue 21/1019:02DCA - ADL
2 stops27h 03mFiji Airways
Thu 20/1113:15ADL - DCA
2 stops23h 14mFiji Airways
Deal found 15/9$2,160
Wed 29/1016:34DCA - ADL
2 stops27h 51mAir New Zealand
Wed 5/1111:55ADL - DCA
2 stops24h 20mAir New Zealand
Deal found 14/9$2,422
Wed 29/1014:51DCA - ADL
2 stops29h 34mAir New Zealand
Thu 6/1111:55ADL - DCA
2 stops24h 20mAir New Zealand
Deal found 15/9$2,459
Thu 30/1009:59DCA - ADL
2 stops35h 46mMultiple Airlines
Thu 6/1113:15ADL - DCA
2 stops23h 14mMultiple Airlines
Deal found 15/9$2,480
Thu 30/1019:02DCA - ADL
2 stops26h 43mFiji Airways
Sat 8/1113:15ADL - DCA
2 stops23h 14mFiji Airways
Deal found 15/9$2,512
Thu 30/1019:02DCA - ADL
2 stops26h 43mFiji Airways
Thu 6/1113:15ADL - DCA
2 stops23h 14mFiji Airways
Deal found 15/9$2,513
Thu 16/1017:15DCA - ADL
2 stops28h 50mMultiple Airlines
Mon 20/1013:35ADL - DCA
2 stops41h 21mMultiple Airlines
Deal found 14/9$2,629
Wed 29/1016:34DCA - ADL
2 stops27h 51mAir New Zealand
Sun 16/1111:55ADL - DCA
2 stops39h 04mAir New Zealand
Deal found 14/9$2,644
Wed 1/1008:59DCA - ADL
2 stops37h 36mMultiple Airlines
Thu 30/1012:35ADL - DCA
2 stops45h 55mMultiple Airlines
Deal found 14/9$2,680
Tue 28/1009:40DCA - ADL
3 stops42h 00mAir Canada
Tue 4/1119:55ADL - DCA
3 stops42h 10mAir Canada
Deal found 13/9$2,791
Mon 8/1214:54DCA - ADL
2 stops28h 31mAir New Zealand
Mon 22/1211:55ADL - DCA
2 stops24h 21mAir New Zealand
Deal found 15/9$2,814

Cheapflights Fare Finder

 
Customise your flight search to find flights from Reagan-National 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 15 September 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Adelaide that are best for you.

Fly from

Reagan-National

Fly to

Adelaide

Route

Depart

Return

Price

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 29/10

14:51-10:55

2 stops29h 34m

Adelaide

Thu 6/11

11:55-20:45

2 stops24h 20m

$2,459

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 30/10

19:02-12:15

2 stops26h 43m

Adelaide

Thu 6/11

13:15-20:59

2 stops23h 14m

$2,513

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 16/10

19:17-12:35

2 stops26h 48m

Adelaide

Mon 20/10

13:35-16:26

2 stops41h 21m

$2,629

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 1/10

08:59-12:05

2 stops37h 36m

Adelaide

Thu 30/10

12:35-20:00

2 stops45h 55m

$2,680

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 8/12

14:54-10:55

2 stops28h 31m

Adelaide

Mon 22/12

11:55-20:46

2 stops24h 21m

$2,814

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 13/11

20:40-16:10

3 stops52h 00m

Adelaide

Mon 17/11

19:55-08:55

3 stops52h 30m

$2,918

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 29/10

14:51-13:55

3 stops32h 34m

Adelaide

Wed 5/11

07:15-21:43

2 stops29h 58m

$2,985

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 29/10

12:00-13:55

3 stops35h 25m

Adelaide

Sun 16/11

08:30-21:43

2 stops28h 43m

$2,985

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 19/12

09:59-15:25

2 stops37h 56m

$3,892

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 19/12

06:59-13:55

3 stops39h 26m

$6,408

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Best time to book a flight from Reagan-National to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Reagan-National 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.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National?

    If you book a flight to Adelaide from Washington, D.C. Reagan-National, you will be flying to Adelaide, which is the city’s only airport. Adelaide (ADL) is located 6.6 km from the centre of Adelaide. There are 0 flights from Washington, D.C. Reagan-National to Adelaide per day from 0 different airlines.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Adelaide?

    For as low as $2,513, Air New Zealand can have you in Adelaide from Washington, D.C. Reagan-National Airport in 26h 43m. Washington, D.C. Reagan-National Airport and Adelaide are separated by a distance of 16831 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Reagan-National to Adelaide that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Adelaide flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Adelaide.

  • Can I find deals for business class flights from Reagan-National to Adelaide?

    Yes. Cheapflights offers flight deals from Reagan-National 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.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Adelaide?

    Currently, June is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Adelaide (average of $168). Flying from Washington, D.C. Reagan-National Airport to Adelaide in October is currently the most expensive (average of $241). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg
Stirling

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How does Cheapflights help users find flights from Reagan-National to Adelaide?

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Why should you use Cheapflights to find cheap flight tickets from Reagan-National to Adelaide?

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Can Cheapflights notify me if prices for flights from Reagan-National 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 Reagan-National today and book when prices fit your budget.

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