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$1,035+ Cheap flights from Reagan-National (DCA) to Adelaide (ADL)

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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ADL
Feb 18 — Feb 251
Wed 2/18
Wed 2/25
1 adult, Economy
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Cheap 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 January 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,207
(Air Canada)

One-way from

$1,035
(FlightHub)
Provider with most accurate pricing for Washington, D.C. Reagan-National-Adelaide flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Adelaide flights.
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From Washington, D.C. Reagan-National to Adelaide
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One-way flight from Washington, D.C. Reagan-National to Adelaide
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Find flight deals from Reagan-National to Adelaide

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 January 19, 2026.

This Air Canada deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:59 am
DCA
-
ADL
3 stops43h 26m
Air Canada
Mon 5/48:00 pm
ADL
-
DCA
3 stops39h 58m
Air Canada
Deal found 1/15$1,207
This United Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:47 pm
DCA
-
ADL
2 stops29h 13m
United Airlines
Mon 3/91:55 pm
ADL
-
DCA
1 stop22h 20m
United Airlines
Deal found 1/16$1,215
This Air Canada deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:40 am
DCA
-
ADL
3 stops42h 00m
Air Canada
Mon 3/97:55 pm
ADL
-
DCA
3 stops41h 10m
Air Canada
Deal found 1/16$1,231
This oojo deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/173:59 pm
DCA
-
ADL
2 stops34h 46m
Qantas Airways
Tue 2/245:10 pm
ADL
-
DCA
2 stops40h 19m
Qantas Airways
Deal found 1/18$1,288
This Qantas Airways deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/21:34 pm
DCA
-
ADL
2 stops28h 51m
Qantas Airways
Mon 6/227:00 am
ADL
-
DCA
2 stops28h 00m
Qantas Airways
Deal found 1/16$1,444
This Qantas Airways deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/48:40 am
DCA
-
ADL
2 stops33h 40m
Qantas Airways
Mon 6/227:50 am
ADL
-
DCA
2 stops27h 10m
Qantas Airways
Deal found 1/16$1,450
This Qantas Airways deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/18:40 am
DCA
-
ADL
2 stops34h 45m
Qantas Airways
Mon 6/227:00 am
ADL
-
DCA
2 stops29h 30m
Qantas Airways
Deal found 1/16$1,456
This United Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/25:59 pm
DCA
-
ADL
1 stop24h 01m
United Airlines
Tue 6/236:05 am
ADL
-
DCA
2 stops29h 18m
United Airlines
Deal found 1/16$1,462
This United Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/15:59 pm
DCA
-
ADL
2 stops28h 41m
United Airlines
Tue 6/236:05 am
ADL
-
DCA
2 stops29h 18m
United Airlines
Deal found 1/16$1,482

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated January 19, 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 5/1

6:59 am-1:55 pm

3 stops41h 26m

Adelaide

Mon 5/4

8:00 pm-10:28 pm

3 stops39h 58m

$1,207

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 3/2

6:00 am-9:30 am

3 stops36h 00m

Adelaide

Mon 3/9

1:55 pm-11:50 pm

2 stops24h 25m

$1,219

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 3/2

9:40 am-7:10 pm

3 stops42h 00m

Adelaide

Mon 3/9

7:55 pm-10:35 pm

3 stops41h 10m

$1,231

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 2/17

3:59 pm-6:15 pm

2 stops34h 46m

Adelaide

Tue 2/24

5:10 pm-5:59 pm

2 stops40h 19m

$1,288

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 2/2

1:34 pm-9:55 am

2 stops28h 51m

Adelaide

Mon 6/22

7:00 am-9:30 pm

2 stops28h 00m

$1,444

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 2/4

8:40 am-9:50 am

2 stops33h 40m

Adelaide

Mon 6/22

7:50 am-9:30 pm

2 stops27h 10m

$1,450

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 2/3

1:34 pm-4:25 pm

2 stops35h 21m

Adelaide

Mon 6/22

10:10 am-11:00 pm

2 stops26h 20m

$1,456

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 2/1

8:40 am-10:55 am

2 stops34h 45m

Adelaide

Mon 6/22

7:00 am-11:00 pm

2 stops29h 30m

$1,456

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 2/2

5:59 pm-9:30 am

1 stop24h 01m

Adelaide

Wed 6/24

6:05 am-9:53 pm

2 stops29h 18m

$1,462

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 2/2

3:30 pm-9:30 am

2 stops26h 30m

Adelaide

Tue 6/23

6:05 am-9:53 pm

2 stops29h 18m

$1,466

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 15 results
1
2

Compare providers for flights from Reagan-National to Adelaide

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Adelaide in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Adelaide flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Adelaide flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Adelaide flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Adelaide flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Adelaide flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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.

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Adelaide. Reviews last updated January 19, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Adelaide, such as Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
973 reviews

Comfort

7.5

Crew

8.2

Overall

7.5

Food

7.0

Entertainment

7.2

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
973 reviews
Qantas Airways
7.5
Good
973 reviews

Comfort

7.5

Crew

8.2

Overall

7.5

Food

7.0

Entertainment

7.2

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

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?

    Adelaide (ADL) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Adelaide. You should not have trouble finding flights to Adelaide from Washington, D.C. Reagan-National; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Adelaide airport from Washington, D.C. Reagan-National. It is only a 4.1 mi journey from Adelaide (ADL) to Adelaide’s city center.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Adelaide?

    There are many flights that can get you from Washington, D.C. Reagan-National Airport to Adelaide in 34h 46m. Fly via Air Canada, United Airlines, or Qantas Airways to get the fastest option. The distance between Washington, D.C. Reagan-National Airport and Adelaide is about 10458 mi. This flight may include one or multiple 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 vacation 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

Traveling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

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Top airline flying from Reagan-National to Adelaide

Discover the top airline that operate flights from Reagan-National to Adelaide. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$587Average$1,655FlexibilityNo cancel feeOn-time74%

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