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Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $1,138

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ADL
23 Aug — 30 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 24 July 2026.

Sun 16/817:12
DCA
-
ADL
2 stops28h 23m
Qantas Airways
Tue 1/906:00
ADL
-
DCA
2 stops27h 30m
Qantas Airways
Deal found 21/7$1,905
Sun 16/817:45
DCA
-
ADL
2 stops27h 55m
United Airlines
Tue 1/906:05
ADL
-
DCA
2 stops29h 55m
United Airlines
Deal found 21/7$1,940
Wed 2/917:45
DCA
-
ADL
2 stops27h 50m
United Airlines
Wed 23/906:05
ADL
-
DCA
2 stops29h 55m
United Airlines
Deal found 22/7$1,959
Tue 1/917:45
DCA
-
ADL
2 stops27h 40m
United Airlines
Mon 21/907:15
ADL
-
DCA
2 stops28h 45m
United Airlines
Deal found 22/7$1,960
Tue 1/917:45
DCA
-
ADL
2 stops27h 40m
United Airlines
Sat 19/918:30
ADL
-
DCA
2 stops35h 43m
United Airlines
Deal found 22/7$1,962
Mon 7/920:40
DCA
-
ADL
3 stops49h 40m
Air Canada
Tue 22/916:30
ADL
-
DCA
3 stops53h 55m
Air Canada
Deal found 22/7$1,965
Fri 28/806:59
DCA
-
ADL
3 stops41h 26m
Multiple Airlines
Sat 12/914:30
ADL
-
DCA
3 stops45h 34m
Multiple Airlines
Deal found 21/7$2,003
Fri 4/918:58
DCA
-
ADL
2 stops29h 12m
Multiple Airlines
Mon 21/906:00
ADL
-
DCA
2 stops27h 30m
Multiple Airlines
Deal found 22/7$2,031
Wed 2/917:45
DCA
-
ADL
2 stops27h 50m
United Airlines
Fri 18/906:00
ADL
-
DCA
2 stops24h 13m
United Airlines
Deal found 22/7$2,032
Tue 1/917:45
DCA
-
ADL
2 stops27h 40m
United Airlines
Fri 18/906:00
ADL
-
DCA
2 stops24h 13m
United Airlines
Deal found 22/7$2,033
Mon 7/920:40
DCA
-
ADL
3 stops49h 40m
Air Canada
Thu 24/920:00
ADL
-
DCA
3 stops40h 04m
Air Canada
Deal found 22/7$2,036
Tue 1/917:35
DCA
-
ADL
2 stops26h 20m
Qantas Airways
Tue 22/906:00
ADL
-
DCA
2 stops26h 29m
Qantas Airways
Deal found 22/7$2,055

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 24 July 2026.

Round-trip from

$1,905

One-way from

$1,138
Qantas Airways
  • Qantas Airways
  • 16/8-1/9
  • 4 total stops
  • 55h 53m total
  • Washington, D.C. to Adelaide
Search Deals
10/12
  • 10/12
  • 2 total stops
  • 37h 50m 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 24 July 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 7/9

17:45-10:55

2 stops27h 40m

Adelaide

Mon 14/9

20:00-16:43

2 stops34h 13m

$1,962

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 6/9

17:35-22:35

2 stops39h 30m

Adelaide

Sun 13/9

18:30-22:58

2 stops41h 58m

$2,065

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 7/9

06:59-22:35

3 stops50h 06m

Adelaide

Mon 14/9

20:00-19:59

3 stops37h 29m

$2,086

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 27/8

11:35-16:25

3 stops39h 20m

Adelaide

Sat 12/9

14:25-23:59

3 stops47h 04m

$2,752

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 6/9

13:04-10:55

3 stops32h 21m

Adelaide

Sun 13/9

06:00-22:30

2 stops30h 00m

$2,772

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 5/9

13:04-10:55

3 stops32h 21m

Adelaide

Sat 12/9

18:55-13:04

3 stops55h 39m

$2,884

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 28/8

13:04-11:05

3 stops32h 31m

Adelaide

Sat 12/9

06:00-22:30

2 stops30h 00m

$3,092
Fastest return journey

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 7/9

17:35-11:05

2 stops28h 00m

Adelaide

Mon 14/9

10:10-21:20

2 stops24h 40m

$3,788

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 2/9

13:49-09:25

2 stops30h 06m

Adelaide

Wed 23/9

07:50-21:20

2 stops27h 00m

$11,025
Cheapest one-way

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 10/12

09:30-14:50

2 stops37h 50m

$1,138

Flights are sorted by cheapest return flights first.

Deals found on 21/7

Showing 1-10 of 18 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 $1,962, United Airlines can have you in Adelaide from Washington, D.C. Reagan-National Airport in 27h 40m. 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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