Find flights
When to book
FAQs

Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $1,099

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 13/2. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ADL
6 Mar — 13 Mar1
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 4 February 2026.

Fri 1/506:59
DCA
-
ADL
3 stops43h 26m
Air Canada
Mon 4/520:00
ADL
-
DCA
3 stops37h 28m
Air Canada
Deal found 2/2$1,734
Wed 18/214:14
DCA
-
ADL
2 stops27h 41m
Qantas Airways
Sat 28/212:00
ADL
-
DCA
2 stops24h 24m
Qantas Airways
Deal found 2/2$1,817
Thu 19/309:40
DCA
-
ADL
3 stops40h 15m
Multiple Airlines
Thu 26/320:00
ADL
-
DCA
3 stops41h 05m
Multiple Airlines
Deal found 2/2$1,847
Mon 23/316:59
DCA
-
ADL
2 stops30h 11m
Qantas Airways
Wed 1/406:00
ADL
-
DCA
2 stops31h 30m
Qantas Airways
Deal found 1/2$1,857
Mon 23/316:59
DCA
-
ADL
2 stops30h 11m
Qantas Airways
Tue 7/419:45
ADL
-
DCA
2 stops40h 40m
Qantas Airways
Deal found 1/2$1,867
Sun 22/316:59
DCA
-
ADL
2 stops34h 46m
Qantas Airways
Wed 1/407:50
ADL
-
DCA
2 stops29h 40m
Qantas Airways
Deal found 1/2$1,872
Mon 23/314:14
DCA
-
ADL
2 stops28h 41m
Qantas Airways
Mon 6/413:25
ADL
-
DCA
2 stops44h 02m
Qantas Airways
Deal found 1/2$1,875
Sun 22/316:59
DCA
-
ADL
2 stops34h 46m
Qantas Airways
Tue 7/419:45
ADL
-
DCA
2 stops40h 40m
Qantas Airways
Deal found 1/2$1,882
Mon 23/314:14
DCA
-
ADL
2 stops28h 41m
Qantas Airways
Fri 3/406:00
ADL
-
DCA
2 stops29h 27m
Qantas Airways
Deal found 1/2$1,928
Mon 23/314:14
DCA
-
ADL
2 stops28h 41m
Qantas Airways
Thu 2/419:45
ADL
-
DCA
2 stops39h 42m
Qantas Airways
Deal found 1/2$1,938
Sun 22/316:59
DCA
-
ADL
2 stops34h 46m
Qantas Airways
Fri 3/406:00
ADL
-
DCA
2 stops31h 30m
Qantas Airways
Deal found 1/2$1,944
Sun 22/316:59
DCA
-
ADL
2 stops34h 46m
Qantas Airways
Thu 2/419:45
ADL
-
DCA
2 stops39h 42m
Qantas Airways
Deal found 1/2$1,954

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 4 February 2026.

Round-trip from

$1,734

One-way from

$1,099
Air Canada
  • Air Canada
  • 1/5-4/5
  • 6 total stops
  • 80h 54m total
  • Washington, D.C. to Adelaide
Search Deals
13/2
  • 13/2
  • 3 total stops
  • 52h 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 4 February 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

Fri 1/5

06:59-15:55

3 stops43h 26m

Adelaide

Mon 4/5

20:00-22:28

3 stops39h 58m

$1,734

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

12:00-20:54

2 stops24h 24m

$1,817

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 23/3

16:59-13:40

2 stops30h 11m

Adelaide

Wed 1/4

06:00-23:00

2 stops31h 30m

$1,857

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 24/3

16:59-15:45

2 stops32h 16m

Adelaide

Wed 1/4

06:00-23:00

2 stops31h 30m

$1,857

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 25/3

11:36-09:55

2 stops31h 49m

Adelaide

Tue 7/4

19:45-22:55

2 stops40h 40m

$1,867

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 24/3

16:59-15:45

2 stops32h 16m

Adelaide

Tue 7/4

19:45-22:55

2 stops40h 40m

$1,867

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 22/3

16:59-18:15

2 stops34h 46m

Adelaide

Wed 1/4

07:50-23:00

2 stops29h 40m

$1,872

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 25/3

11:36-09:25

2 stops31h 19m

Adelaide

Mon 6/4

20:00-19:57

2 stops37h 27m

$1,875

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 24/3

16:59-13:40

2 stops30h 11m

Adelaide

Mon 6/4

14:25-18:00

2 stops41h 05m

$1,875

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 22/3

16:59-18:15

2 stops34h 46m

Adelaide

Tue 7/4

19:45-22:55

2 stops40h 40m

$1,882

Flights are sorted by cheapest return flights first.

Deals found on 2/2

Showing 1-10 of 15 results
1
2

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 $1,817, Air Canada can have you in Adelaide from Washington, D.C. Reagan-National Airport in 27h 41m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.