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Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $1,677

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ADL
20 Feb — 27 Feb1
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 21 January 2026.

Thu 5/306:59
DCA
-
ADL
3 stops39h 26m
Multiple Airlines
Thu 12/319:45
ADL
-
DCA
3 stops41h 20m
Multiple Airlines
Deal found 18/1$1,791
Fri 1/511:00
DCA
-
ADL
3 stops37h 25m
Air Canada
Mon 4/516:30
ADL
-
DCA
3 stops40h 58m
Air Canada
Deal found 20/1$1,793
Mon 9/217:59
DCA
-
ADL
1 stop24h 01m
Air New Zealand
Mon 9/313:55
ADL
-
DCA
1 stop22h 20m
Air New Zealand
Deal found 20/1$1,823
Mon 9/213:34
DCA
-
ADL
2 stops28h 51m
Qantas Airways
Mon 9/306:35
ADL
-
DCA
2 stops30h 55m
Qantas Airways
Deal found 20/1$1,842
Tue 10/209:59
DCA
-
ADL
2 stops34h 21m
Multiple Airlines
Tue 10/319:00
ADL
-
DCA
2 stops39h 35m
Multiple Airlines
Deal found 20/1$1,858
Wed 8/415:46
DCA
-
ADL
2 stops29h 59m
Qantas Airways
Sun 19/419:10
ADL
-
DCA
2 stops39h 40m
Qantas Airways
Deal found 20/1$1,878
Wed 18/214:14
DCA
-
ADL
2 stops27h 41m
Qantas Airways
Sat 28/209:00
ADL
-
DCA
2 stops25h 11m
Qantas Airways
Deal found 19/1$1,898
Wed 18/211:36
DCA
-
ADL
2 stops30h 19m
Multiple Airlines
Sat 28/207:50
ADL
-
DCA
2 stops27h 45m
Multiple Airlines
Deal found 18/1$1,903
Tue 10/219:59
DCA
-
ADL
2 stops70h 01m
United Airlines
Wed 25/214:55
ADL
-
DCA
2 stops24h 25m
United Airlines
Deal found 18/1$1,913
Sat 7/317:55
DCA
-
ADL
1 stop24h 05m
United Airlines
Sat 14/313:55
ADL
-
DCA
1 stop22h 20m
United Airlines
Deal found 20/1$1,953
Sat 7/316:59
DCA
-
ADL
2 stops35h 41m
Qantas Airways
Sat 14/312:00
ADL
-
DCA
2 stops25h 30m
Qantas Airways
Deal found 21/1$1,958

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 21 January 2026.

Round-trip from

$1,791

One-way from

$1,677
5/3-12/3
  • 5/3-12/3
  • 6 total stops
  • 80h 46m total
  • Washington, D.C. to Adelaide
Search Deals
United Airlines
  • United Airlines
  • 26/1
  • 2 total stops
  • 31h 00m 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 21 January 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

Reagan-National

Fly to

Adelaide

Route

Depart

Return

Price

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 5/3

06:59-13:55

3 stops39h 26m

Adelaide

Thu 12/3

19:45-22:35

3 stops41h 20m

$1,791

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 1/5

06:59-13:55

3 stops41h 26m

Adelaide

Mon 4/5

20:00-19:58

3 stops37h 28m

$1,793

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 9/2

17:59-09:30

1 stop24h 01m

Adelaide

Mon 9/3

13:55-21:45

1 stop22h 20m

$1,823

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 18/2

14:14-09:25

2 stops27h 41m

Adelaide

Wed 18/3

06:00-20:00

2 stops28h 30m

$1,823

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 18/2

14:14-09:25

2 stops27h 41m

Adelaide

Sat 28/2

09:00-18:41

2 stops25h 11m

$1,898

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 18/2

14:14-09:25

2 stops27h 41m

Adelaide

Sat 28/2

09:00-18:41

2 stops25h 11m

$1,898

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 10/2

19:59-09:30

2 stops70h 01m

Adelaide

Wed 25/2

14:55-23:50

2 stops24h 25m

$1,913

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 26/1

13:00-09:30

2 stops29h 00m

$1,677

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 26/1

09:35-18:15

3 stops41h 10m

$1,736

Flights are sorted by cheapest return flights first.

Deals found on 19/1

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 $1,793, Air Canada can have you in Adelaide from Washington, D.C. Reagan-National Airport in 41h 26m. Washington, D.C. Reagan-National Airport and Adelaide are separated by a distance of 16831 km.

  • 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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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?

Cheapflights simply makes it quick and affordable to book flights from Reagan-National 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 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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