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Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $1,685

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ADL
30 Jul — 6 Aug1
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 30 June 2026.

Mon 2/1109:40
DCA
-
ADL
3 stops36h 55m
Multiple Airlines
Mon 16/1119:55
ADL
-
DCA
3 stops39h 33m
Multiple Airlines
Deal found 28/6$2,221
Tue 13/1011:00
DCA
-
ADL
3 stops40h 55m
Multiple Airlines
Tue 27/1019:40
ADL
-
DCA
3 stops41h 28m
Multiple Airlines
Deal found 28/6$2,227
Sun 1/1106:59
DCA
-
ADL
3 stops39h 26m
Air Canada
Tue 17/1106:00
ADL
-
DCA
3 stops29h 28m
Air Canada
Deal found 28/6$2,230
Tue 3/1112:57
DCA
-
ADL
2 stops30h 28m
Air New Zealand
Sun 15/1112:05
ADL
-
DCA
2 stops24h 21m
Air New Zealand
Deal found 28/6$2,510
Sat 31/1020:45
DCA
-
ADL
3 stops50h 40m
Air Canada
Wed 18/1106:00
ADL
-
DCA
3 stops32h 08m
Air Canada
Deal found 28/6$2,538
Tue 18/817:35
DCA
-
ADL
2 stops28h 50m
Qantas Airways
Tue 25/806:25
ADL
-
DCA
2 stops28h 32m
Qantas Airways
Deal found 29/6$2,584
Fri 30/1006:59
DCA
-
ADL
3 stops42h 41m
Air Canada
Sat 14/1118:55
ADL
-
DCA
3 stops43h 13m
Air Canada
Deal found 28/6$2,610
Mon 9/1109:40
DCA
-
ADL
3 stops41h 00m
Air Canada
Fri 13/1119:55
ADL
-
DCA
3 stops42h 13m
Air Canada
Deal found 25/6$2,612
Wed 14/1012:57
DCA
-
ADL
2 stops31h 28m
Air New Zealand
Wed 28/1006:25
ADL
-
DCA
2 stops29h 58m
Air New Zealand
Deal found 28/6$2,613
Tue 13/1019:30
DCA
-
ADL
2 stops48h 55m
Air New Zealand
Wed 28/1006:25
ADL
-
DCA
2 stops29h 58m
Air New Zealand
Deal found 28/6$2,631
Tue 13/1019:30
DCA
-
ADL
2 stops48h 55m
Air New Zealand
Tue 27/1006:00
ADL
-
DCA
2 stops30h 23m
Air New Zealand
Deal found 28/6$2,639

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 30 June 2026.

Round-trip from

$2,221

One-way from

$1,685
Air Canada
  • Air Canada
  • 2/11-16/11
  • 6 total stops
  • 76h 28m total
  • Washington, D.C. to Adelaide
Search Deals
Air New Zealand
  • Air New Zealand
  • 8/8
  • 2 total stops
  • 39h 25m 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 30 June 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
Fastest return journey

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 18/8

17:35-11:55

2 stops28h 50m

Adelaide

Tue 25/8

06:25-21:27

2 stops28h 32m

$2,584

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 16/10

20:40-18:25

3 stops55h 15m

Adelaide

Sun 25/10

06:00-22:38

3 stops31h 08m

$2,610

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 9/11

09:40-18:10

3 stops41h 00m

Adelaide

Fri 13/11

19:55-22:38

3 stops42h 13m

$2,610

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 11/10

08:19-17:55

2 stops43h 06m

Adelaide

Tue 27/10

09:00-19:13

2 stops24h 43m

$2,783

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 15/10

17:30-13:40

2 stops29h 40m

Adelaide

Wed 28/10

17:10-17:57

2 stops39h 17m

$2,890

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 9/11

09:48-10:30

2 stops33h 12m

Adelaide

Fri 13/11

12:00-23:00

2 stops50h 30m

$3,054
Cheapest one-way

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 8/8

06:00-10:55

2 stops39h 25m

$1,685
Fastest single journey

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 13/8

17:35-11:55

2 stops28h 50m

$1,793

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 8/8

18:55-11:50

3 stops51h 25m

$2,195

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 13/8

06:59-13:55

3 stops41h 26m

$2,265

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 11 resultsSorted by cheapest first
1
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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 $2,584, Qantas Airways can have you in Adelaide from Washington, D.C. Reagan-National Airport in 28h 50m. 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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