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Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $1,830

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ADL
16 Jul — 23 Jul1
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 16 June 2026.

Mon 10/818:58
DCA
-
ADL
2 stops29h 12m
Qantas Airways
Mon 17/806:00
ADL
-
DCA
2 stops26h 44m
Qantas Airways
Deal found 13/6$2,511
Mon 9/1106:59
DCA
-
ADL
3 stops43h 41m
Air Canada
Fri 13/1106:00
ADL
-
DCA
3 stops32h 07m
Air Canada
Deal found 15/6$2,545
Mon 10/812:59
DCA
-
ADL
3 stops32h 36m
Multiple Airlines
Mon 17/807:15
ADL
-
DCA
2 stops28h 45m
Multiple Airlines
Deal found 13/6$2,588
Wed 29/718:01
DCA
-
ADL
2 stops27h 34m
Qantas Airways
Wed 5/810:10
ADL
-
DCA
2 stops24h 47m
Qantas Airways
Deal found 14/6$2,738
Thu 3/909:00
DCA
-
ADL
2 stops36h 35m
Qantas Airways
Sat 19/906:00
ADL
-
DCA
2 stops30h 28m
Qantas Airways
Deal found 11/6$2,793
Tue 28/712:59
DCA
-
ADL
3 stops32h 36m
United Airlines
Tue 4/806:05
ADL
-
DCA
2 stops29h 55m
United Airlines
Deal found 12/6$2,807
Sun 26/717:59
DCA
-
ADL
2 stops30h 16m
United Airlines
Sun 2/806:05
ADL
-
DCA
2 stops29h 55m
United Airlines
Deal found 11/6$2,808
Mon 29/617:59
DCA
-
ADL
2 stops48h 36m
Air New Zealand
Wed 19/812:05
ADL
-
DCA
2 stops23h 38m
Air New Zealand
Deal found 12/6$2,844
Mon 9/1109:48
DCA
-
ADL
2 stops33h 12m
Cathay Pacific
Fri 13/1112:00
ADL
-
DCA
2 stops46h 24m
Cathay Pacific
Deal found 13/6$2,872
Wed 24/617:49
DCA
-
ADL
2 stops27h 46m
Air New Zealand
Mon 27/712:05
ADL
-
DCA
2 stops42h 12m
Air New Zealand
Deal found 15/6$2,876
Sun 28/607:55
DCA
-
ADL
2 stops58h 40m
Air New Zealand
Wed 19/812:05
ADL
-
DCA
2 stops23h 38m
Air New Zealand
Deal found 12/6$2,878

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 16 June 2026.

Round-trip from

$2,511

One-way from

$1,830
Qantas Airways
  • Qantas Airways
  • 10/8-17/8
  • 4 total stops
  • 55h 56m total
  • Washington, D.C. to Adelaide
Search Deals
20/7
  • 20/7
  • 3 total stops
  • 53h 20m 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 16 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

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 9/11

06:59-18:10

3 stops43h 41m

Adelaide

Fri 13/11

06:00-22:37

3 stops32h 07m

$2,545

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 3/9

09:00-11:05

2 stops36h 35m

Adelaide

Sat 19/9

06:00-22:58

2 stops30h 28m

$2,793

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 28/7

12:59-11:05

3 stops32h 36m

Adelaide

Tue 4/8

06:05-22:30

2 stops29h 55m

$2,807

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 26/7

17:59-13:45

2 stops30h 16m

Adelaide

Sun 2/8

06:05-22:30

2 stops29h 55m

$2,808

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

12:00-18:54

2 stops46h 24m

$2,872

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 10/8

11:35-19:05

3 stops42h 00m

Adelaide

Mon 17/8

14:25-23:58

3 stops47h 03m

$3,005

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 1/7

11:57-10:05

3 stops32h 38m

Adelaide

Wed 19/8

06:05-22:30

2 stops29h 55m

$3,019
Fastest return journey

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 30/6

17:59-11:30

2 stops28h 01m

Adelaide

Thu 6/8

06:05-22:30

2 stops29h 55m

$3,070
Cheapest one-way

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 20/7

09:59-08:00

2 stops56h 31m

$1,859
Fastest single journey

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 15/7

12:59-11:05

3 stops32h 36m

$1,979

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Sorted by cheapest first

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 $2,807, Air Canada can have you in Adelaide from Washington, D.C. Reagan-National Airport in 32h 36m. 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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