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Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $1,800

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ADL
19 Jun — 26 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Reagan-National to Adelaide

Enter your travel dates to find the best prices.

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 20 May 2026.

Tue 9/611:00
DCA
-
ADL
2 stops35h 20m
Multiple Airlines
Thu 16/719:00
ADL
-
DCA
2 stops38h 27m
Multiple Airlines
Deal found 20/5$2,229
Wed 7/1017:30
DCA
-
ADL
2 stops27h 55m
Qantas Airways
Thu 22/1020:00
ADL
-
DCA
2 stops40h 00m
Qantas Airways
Deal found 19/5$2,500
Sat 6/618:55
DCA
-
ADL
3 stops51h 25m
Air Canada
Wed 15/720:00
ADL
-
DCA
3 stops40h 01m
Air Canada
Deal found 20/5$2,535
Tue 30/606:59
DCA
-
ADL
3 stops46h 36m
Multiple Airlines
Tue 7/720:00
ADL
-
DCA
3 stops50h 22m
Multiple Airlines
Deal found 16/5$2,550
Thu 11/606:59
DCA
-
ADL
3 stops43h 26m
Air Canada
Wed 15/720:00
ADL
-
DCA
3 stops40h 01m
Air Canada
Deal found 20/5$2,605
Sun 1/1111:59
DCA
-
ADL
2 stops30h 26m
Qantas Airways
Sun 8/1119:00
ADL
-
DCA
2 stops40h 20m
Qantas Airways
Deal found 18/5$2,623
Wed 7/1011:30
DCA
-
ADL
3 stops35h 45m
United Airlines
Thu 22/1007:40
ADL
-
DCA
2 stops28h 43m
United Airlines
Deal found 19/5$2,653
Mon 13/717:59
DCA
-
ADL
2 stops27h 36m
United Airlines
Tue 1/906:05
ADL
-
DCA
2 stops29h 55m
United Airlines
Deal found 20/5$2,688
Mon 13/717:59
DCA
-
ADL
2 stops27h 36m
United Airlines
Sat 29/806:05
ADL
-
DCA
2 stops29h 55m
United Airlines
Deal found 20/5$2,758
Tue 30/612:59
DCA
-
ADL
3 stops32h 36m
United Airlines
Tue 7/706:05
ADL
-
DCA
2 stops29h 55m
United Airlines
Deal found 16/5$2,796
Tue 1/1212:59
DCA
-
ADL
2 stops35h 16m
Qantas Airways
Mon 7/1219:00
ADL
-
DCA
2 stops39h 12m
Qantas Airways
Deal found 18/5$2,826

Find 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 20 May 2026.

Round-trip from

$2,229

One-way from

$1,800
ANA
  • ANA
  • 9/6-16/7
  • 4 total stops
  • 73h 47m total
  • Washington, D.C. to Adelaide
Search Deals
Qantas Airways
  • Qantas Airways
  • 1/6
  • 2 total stops
  • 26h 39m total
  • Washington, D.C. to Adelaide
Search Deals

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 20 May 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 1/11

11:59-09:55

2 stops30h 26m

Adelaide

Sun 8/11

19:00-19:50

2 stops40h 20m

$2,623

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 7/10

11:30-13:45

3 stops35h 45m

Adelaide

Thu 22/10

07:40-21:53

2 stops28h 43m

$2,653

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 13/7

17:59-11:05

2 stops27h 36m

Adelaide

Sat 29/8

06:05-22:30

2 stops29h 55m

$2,758

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 30/6

17:59-11:05

2 stops27h 36m

Adelaide

Tue 7/7

06:05-22:30

2 stops29h 55m

$2,796

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 15/6

17:49-10:55

2 stops27h 36m

Adelaide

Sun 21/6

19:10-22:15

2 stops40h 35m

$3,003
Fastest return journey

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 9/6

13:00-11:05

3 stops32h 35m

Adelaide

Wed 15/7

06:00-16:47

2 stops24h 17m

$3,014

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 10/6

17:16-22:35

2 stops39h 49m

Adelaide

Sun 12/7

19:45-21:31

2 stops39h 16m

$3,121

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 29/10

19:50-10:55

2 stops48h 35m

Adelaide

Mon 2/11

17:10-16:56

2 stops39h 16m

$3,171

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 15/7

18:01-13:40

2 stops30h 09m

Adelaide

Wed 2/9

07:50-21:27

2 stops27h 07m

$3,181

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 15/6

13:00-11:05

3 stops32h 35m

Adelaide

Sun 21/6

06:05-22:15

2 stops29h 40m

$3,500

Flights are sorted by cheapest return flights first.

Deals found on 15/5

Showing 1-10 of 12 resultsSorted by cheapest first
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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 $2,623, Qantas Airways can have you in Adelaide from Washington, D.C. Reagan-National Airport in 30h 26m. 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.

See more FAQs

Travelling to a place near Adelaide?

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

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Cheapflights makes it easy to find Reagan-National to Adelaide flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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Can Cheapflights find flights from Reagan-National to Adelaide with no change fees?

Yes! Cheapflights helps users easily find flights from Reagan-National to Adelaide with no change fees.

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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