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$845+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ADL
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 julio 3, 2025.

Round-trip from

$1,350
(oojo)

One-way from

$845
(Trip.com)

Popular in

October

Cheapest in

March

Average price

$1,347
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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Highest demand for flights based on searches. 25% potential increase in price ($646 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($144 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julio 3, 2025.

This oojo deal was found by Cheapflights users on 7/2. 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.
sáb. 8/167:31 pmDCA - ADL
2 stops26h 34mFiji Airways
sáb. 8/2312:35 pmADL - DCA
2 stops23h 54mFiji Airways
Deal found 7/2$1,350
This Fiji Airways deal was found by Cheapflights users on 7/1. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/307:35 pmDCA - ADL
2 stops26h 30mMultiple Airlines
lun. 10/61:35 pmADL - DCA
2 stops41h 21mMultiple Airlines
Deal found 7/1$1,470
This Flightnetwork deal was found by Cheapflights users on 7/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/1512:59 pmDCA - ADL
2 stops32h 26mAir New Zealand
vie. 8/2211:55 amADL - DCA
2 stops23h 44mAir New Zealand
Deal found 7/1$1,530
This FlightHub deal was found by Cheapflights users on 7/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/175:30 pmDCA - ADL
2 stops29h 05mQantas Airways
sáb. 9/206:00 amADL - DCA
2 stops28h 29mQantas Airways
Deal found 7/3$1,803
This Air Canada deal was found by Cheapflights users on 7/1. 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.
mar. 9/3011:00 amDCA - ADL
3 stops35h 20mAir Canada
lun. 10/66:00 amADL - DCA
3 stops31h 04mAir Canada
Deal found 7/1$1,808
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/95:30 pmDCA - ADL
2 stops28h 35mAmerican Airlines
vie. 1/96:25 amADL - DCA
2 stops25h 01mAmerican Airlines
Deal found 7/1$1,932
This Singapore Airlines deal was found by Cheapflights users on 7/2. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/139:59 amDCA - ADL
2 stops55h 36mSingapore Airlines
lun. 11/176:35 pmADL - DCA
2 stops64h 55mSingapore Airlines
Deal found 7/2$2,127
This United Airlines deal was found by Cheapflights users on 7/3. 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.
dom. 8/175:59 pmDCA - ADL
2 stops27h 41mUnited Airlines
dom. 8/246:05 amADL - DCA
2 stops29h 02mUnited Airlines
Deal found 7/3$2,132
This Qatar Airways deal was found by Cheapflights users on 7/2. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/135:45 pmDCA - ADL
2 stops31h 50mQatar Airways
lun. 11/1712:50 pmADL - DCA
3 stops38h 25mQatar Airways
Deal found 7/2$3,015

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 julio 3, 2025.
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

sáb. 8/16

7:31 pm-11:35 am

2 stops26h 34m

Adelaide

sáb. 8/23

12:35 pm-10:59 pm

2 stops23h 54m

$1,350

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

mar. 9/30

7:35 pm-11:35 am

2 stops26h 30m

Adelaide

lun. 10/6

1:35 pm-4:26 pm

2 stops41h 21m

$1,470

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

vie. 8/15

12:59 pm-10:55 am

2 stops32h 26m

Adelaide

vie. 8/22

11:55 am-10:09 pm

2 stops23h 44m

$1,530

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

mié. 9/17

5:30 pm-12:05 pm

2 stops29h 05m

Adelaide

sáb. 9/20

6:00 am-8:59 pm

2 stops28h 29m

$1,803

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

mar. 9/30

11:00 am-11:50 am

3 stops35h 20m

Adelaide

lun. 10/6

6:00 am-10:34 pm

3 stops31h 04m

$1,808

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

mar. 12/9

5:30 pm-1:35 pm

2 stops28h 35m

Adelaide

vie. 1/9

6:25 am-3:56 pm

2 stops25h 01m

$1,932

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

jue. 11/13

9:59 am-9:05 am

2 stops55h 36m

Adelaide

lun. 11/17

6:35 pm-8:00 pm

2 stops64h 55m

$2,127

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

dom. 8/17

5:59 pm-11:10 am

2 stops27h 41m

Adelaide

dom. 8/24

6:05 am-9:37 pm

2 stops29h 02m

$2,132

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

jue. 11/13

5:45 pm-5:05 pm

2 stops31h 50m

Adelaide

lun. 11/17

12:50 pm-11:45 am

3 stops38h 25m

$3,015

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

vie. 8/15

9:59 am-7:30 pm

2 stops44h 01m

$845

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 14 results
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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 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 julio 3, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Adelaide, such as Singapore Airlines, Fiji Airways, and Air New Zealand. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,320 reviews

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Singapore Airlines
8.1
Very good
1,320 reviews
Singapore Airlines
8.1
Very good
1,320 reviews

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Fiji Airways
8.0
Very good
202 reviews
Singapore Airlines
8.1
Very good
1,320 reviews

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Air New Zealand
8.0
Very good
486 reviews
Singapore Airlines
8.1
Very good
1,320 reviews

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Qantas Airways
7.5
Good
868 reviews
Singapore Airlines
8.1
Very good
1,320 reviews

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Qatar Airways
7.4
Good
3,594 reviews
Singapore Airlines
8.1
Very good
1,320 reviews

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

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.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Adelaide one-way?

    To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $1,133. Qatar Airways flights start at $1,657 while deals on Air New Zealand start at $5,499 one-way.

  • 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.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Adelaide?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Adelaide (average of $1,214). Flying from Washington, D.C. Reagan-National Airport to Adelaide in December is currently the most expensive (average of $2,057). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,041Average$1,655FlexibilityNo cancel feeOn-time74%

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