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Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $1,320

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Adelaide departing on 31/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Adelaide

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:00 - 12:35
DCA
-
ADL
35h 05m
3 stops
Multiple Airlines Logo
18:55 - 19:57
ADL
-
DCA
40h 32m
3 stops
$2,242Multiple Airlines
Sat, 24 Oct - Sat, 7 Nov
Multiple Airlines Logo
11:00 - 14:05
DCA
-
ADL
36h 35m
2 stops
Multiple Airlines Logo
17:40 - 19:57
ADL
-
DCA
41h 47m
2 stops
$2,250Multiple Airlines
Sat, 24 Oct - Sat, 7 Nov
Air Canada Logo
20:40 - 13:55
DCA
-
ADL
51h 45m
3 stops
Air Canada Logo
20:00 - 22:34
ADL
-
DCA
40h 04m
3 stops
$2,572Air Canada
Mon, 7 Sep - Tue, 22 Sep
Air New Zealand Logo
19:00 - 11:05
DCA
-
ADL
26h 35m
2 stops
Air New Zealand Logo
12:05 - 23:59
ADL
-
DCA
25h 24m
2 stops
$2,606Air New Zealand
Sat, 5 Sep - Fri, 18 Sep
Air New Zealand Logo
17:45 - 10:55
DCA
-
ADL
27h 40m
2 stops
Air New Zealand Logo
12:05 - 22:13
ADL
-
DCA
23h 38m
2 stops
$2,610Air New Zealand
Fri, 4 Sep - Fri, 18 Sep
United Airlines Logo
17:45 - 11:05
DCA
-
ADL
27h 50m
2 stops
United Airlines Logo
06:05 - 22:30
ADL
-
DCA
29h 55m
2 stops
$2,620United Airlines
Wed, 2 Sep - Sun, 20 Sep
United Airlines Logo
17:45 - 11:10
DCA
-
ADL
27h 55m
2 stops
United Airlines Logo
06:05 - 22:30
ADL
-
DCA
29h 55m
2 stops
$2,624United Airlines
Sun, 6 Sep - Wed, 16 Sep
United Airlines Logo
17:45 - 11:05
DCA
-
ADL
27h 50m
2 stops
United Airlines Logo
06:00 - 16:43
ADL
-
DCA
24h 13m
2 stops
$2,630United Airlines
Wed, 2 Sep - Tue, 22 Sep
Air Canada Logo
20:40 - 13:55
DCA
-
ADL
51h 45m
3 stops
Air Canada Logo
20:00 - 22:34
ADL
-
DCA
40h 04m
3 stops
$2,643Air Canada
Mon, 7 Sep - Wed, 16 Sep
Multiple Airlines Logo
19:00 - 11:30
DCA
-
ADL
27h 00m
2 stops
Multiple Airlines Logo
06:00 - 16:43
ADL
-
DCA
24h 13m
2 stops
$2,682Multiple Airlines
Sat, 5 Sep - Sun, 20 Sep

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Air New Zealand flights from Washington, D.C. Reagan-National Airport to Adelaide

Our best Air New Zealand deals on Washington, D.C. Reagan-National Airport to Adelaide flight tickets
Air New Zealand
5 Sept
DCA19:00Washington, D.C. Reagan-National
26h 35m
2 stops
ADL11:05Adelaide
18 Sept
ADL12:05Adelaide
25h 24m
2 stops
DCA23:59Washington, D.C. Reagan-National
$2,606
Air New Zealand
4 Sept
DCA17:45Washington, D.C. Reagan-National
27h 40m
2 stops
ADL10:55Adelaide
18 Sept
ADL12:05Adelaide
23h 38m
2 stops
DCA22:13Washington, D.C. Reagan-National
$2,610
Air New Zealand
15 July
DCA16:59Washington, D.C. Reagan-National
28h 26m
2 stops
ADL10:55Adelaide
31 Aug
ADL12:05Adelaide
25h 24m
2 stops
DCA23:59Washington, D.C. Reagan-National
$3,149

United Airlines flights from Washington, D.C. Reagan-National Airport to Adelaide

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Adelaide flight tickets
United Airlines
2 Sept
DCA17:45Washington, D.C. Reagan-National
27h 50m
2 stops
ADL11:05Adelaide
16 Sept
ADL06:05Adelaide
29h 55m
2 stops
DCA22:30Washington, D.C. Reagan-National
$2,620
United Airlines
6 Sept
DCA17:45Washington, D.C. Reagan-National
27h 55m
2 stops
ADL11:10Adelaide
16 Sept
ADL06:05Adelaide
29h 55m
2 stops
DCA22:30Washington, D.C. Reagan-National
$2,624
United Airlines
2 Sept
DCA17:45Washington, D.C. Reagan-National
27h 50m
2 stops
ADL11:05Adelaide
22 Sept
ADL06:00Adelaide
24h 13m
2 stops
DCA16:43Washington, D.C. Reagan-National
$2,630

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Reagan-National Airport 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, momondo users made 78,305 searches. Data last updated 11 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

Sat 24/10

11:00-12:35

3 stops35h 05m

Adelaide

Sat 7/11

18:55-19:57

3 stops40h 32m

$2,242

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 24/10

11:00-14:05

2 stops36h 35m

Adelaide

Sat 7/11

17:40-19:57

2 stops41h 47m

$2,250

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 7/9

20:40-13:55

3 stops51h 45m

Adelaide

Tue 22/9

20:00-22:34

3 stops40h 04m

$2,572

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 5/9

19:00-11:05

2 stops26h 35m

Adelaide

Fri 18/9

12:05-23:59

2 stops25h 24m

$2,606

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 4/9

17:45-10:55

2 stops27h 40m

Adelaide

Fri 18/9

12:05-22:13

2 stops23h 38m

$2,610

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 2/9

17:45-11:05

2 stops27h 50m

Adelaide

Sun 20/9

06:05-22:30

2 stops29h 55m

$2,620

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 6/9

17:45-11:10

2 stops27h 55m

Adelaide

Wed 16/9

06:05-22:30

2 stops29h 55m

$2,624

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 2/9

17:45-11:05

2 stops27h 50m

Adelaide

Tue 22/9

06:00-16:43

2 stops24h 13m

$2,630

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 7/9

20:40-13:55

3 stops51h 45m

Adelaide

Wed 16/9

20:00-22:34

3 stops40h 04m

$2,643
Fastest return journey

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 5/9

19:00-11:30

2 stops27h 00m

Adelaide

Sun 20/9

06:00-16:43

2 stops24h 13m

$2,682

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

When to book flights from Washington, D.C. Reagan-National Airport to Adelaide

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Adelaide according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. Reagan-National Airport to Adelaide (DCA to ADL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Adelaide

Fastest flight time

26h 20m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Adelaide takes 26h 20m
There are no direct flights from Washington, D.C. Reagan-National Airport to Adelaide. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Adelaide.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Adelaide

  • How far is Washington, D.C. Reagan-National to Adelaide by plane?

    The distance between Washington, D.C. Reagan-National and Adelaide is about 16824.5 km. In terms of flight time, this usually takes a little over 26h 20m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Adelaide Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Adelaide Airport refresh daily.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Adelaide Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Reagan-National Airport to Adelaide Airport.

  • What documentation or ID do you need to fly to Adelaide Airport?

    The required travel and health documents for your Adelaide Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Adelaide Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Adelaide

  • How do I get Price Alerts for flights from Washington, D.C. Reagan-National Airport to Adelaide?

    Confirm your travel details to search for the latest offers for flights from Washington, D.C. Reagan-National Airport to Adelaide. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Washington, D.C. Reagan-National Airport to Adelaide with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Travelling to a place near Adelaide?

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

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Adelaide?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Adelaide for you.

Can I find flights from Washington, D.C. to Adelaide with flexible booking policies on momondo?

Yes. All flights to Adelaide from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Adelaide?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Adelaide from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Adelaide right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Adelaide flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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