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Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $1,484

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ADL
31 May — 7 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 1 May 2026.

Wed 10/617:16
DCA
-
ADL
2 stops28h 19m
Qantas Airways
Wed 17/606:25
ADL
-
DCA
2 stops26h 18m
Qantas Airways
Deal found 26/4$2,273
Mon 8/613:00
DCA
-
ADL
3 stops32h 35m
United Airlines
Wed 1/706:00
ADL
-
DCA
2 stops29h 45m
United Airlines
Deal found 30/4$2,788
Fri 17/718:01
DCA
-
ADL
2 stops27h 34m
Qantas Airways
Sun 26/719:45
ADL
-
DCA
2 stops40h 44m
Qantas Airways
Deal found 26/4$3,126
Fri 17/711:57
DCA
-
ADL
3 stops32h 38m
United Airlines
Sun 26/706:05
ADL
-
DCA
2 stops29h 40m
United Airlines
Deal found 26/4$3,128
Wed 10/606:00
DCA
-
ADL
3 stops46h 55m
Multiple Airlines
Wed 17/606:25
ADL
-
DCA
2 stops30h 05m
Multiple Airlines
Deal found 26/4$3,277
Mon 8/617:59
DCA
-
ADL
2 stops27h 26m
Air New Zealand
Wed 1/712:05
ADL
-
DCA
2 stops23h 40m
Air New Zealand
Deal found 30/4$3,312
Sat 29/818:00
DCA
-
ADL
2 stops27h 35m
United Airlines
Wed 2/906:05
ADL
-
DCA
2 stops29h 18m
United Airlines
Deal found 27/4$3,548
Sun 14/617:16
DCA
-
ADL
2 stops28h 19m
Qantas Airways
Sun 21/606:00
ADL
-
DCA
2 stops26h 43m
Qantas Airways
Deal found 30/4$3,611
Fri 17/711:35
DCA
-
ADL
3 stops42h 00m
Multiple Airlines
Sun 26/719:45
ADL
-
DCA
3 stops41h 44m
Multiple Airlines
Deal found 26/4$3,871
Mon 8/611:35
DCA
-
ADL
3 stops39h 20m
Multiple Airlines
Wed 1/719:45
ADL
-
DCA
3 stops41h 16m
Multiple Airlines
Deal found 30/4$3,922

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 1 May 2026.

Round-trip from

$2,273

One-way from

$1,484
Qantas Airways
  • Qantas Airways
  • 10/6-17/6
  • 4 total stops
  • 54h 37m total
  • Washington, D.C. to Adelaide
Search Deals
Qantas Airways
  • Qantas Airways
  • 11/10
  • 2 total stops
  • 35h 31m 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 1 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

Mon 8/6

13:00-11:05

3 stops32h 35m

Adelaide

Wed 1/7

06:00-22:15

2 stops29h 45m

$2,788

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 17/7

11:57-10:05

3 stops32h 38m

Adelaide

Sun 26/7

06:05-22:15

2 stops29h 40m

$3,128
Fastest return journey

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 8/6

17:59-10:55

2 stops27h 26m

Adelaide

Wed 1/7

12:05-22:15

2 stops23h 40m

$3,312

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 29/8

18:00-11:05

2 stops27h 35m

Adelaide

Wed 2/9

06:05-21:53

2 stops29h 18m

$3,548

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 17/7

11:35-19:05

3 stops42h 00m

Adelaide

Sun 26/7

19:45-23:59

3 stops41h 44m

$3,871
Cheapest one-way

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 11/10

17:30-13:40

2 stops29h 40m

$1,502

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 11/10

13:00-13:45

3 stops34h 15m

$1,503
Fastest single journey

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 10/10

13:52-09:25

2 stops29h 03m

$1,545

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 10/10

12:57-13:45

3 stops34h 18m

$1,594

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 13/5

07:30-10:55

2 stops37h 55m

$1,641

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 13 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 $3,312, United Airlines can have you in Adelaide from Washington, D.C. Reagan-National Airport in 27h 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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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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