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Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $926

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 7/31. 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 round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:00 am - 12:35 pm
DCA
-
ADL
35h 05m
3 stops
Multiple Airlines Logo
6:55 pm - 7:57 pm
ADL
-
DCA
40h 32m
3 stops
$1,573Multiple Airlines
Sat, Oct 24 - Sat, Nov 7
Multiple Airlines Logo
11:00 am - 2:05 pm
DCA
-
ADL
36h 35m
2 stops
Multiple Airlines Logo
5:40 pm - 7:57 pm
ADL
-
DCA
41h 47m
2 stops
$1,578Multiple Airlines
Sat, Oct 24 - Sat, Nov 7
United Airlines Logo
12:52 pm - 11:10 am
DCA
-
ADL
32h 48m
3 stops
United Airlines Logo
6:40 am - 10:30 pm
ADL
-
DCA
29h 20m
2 stops
$1,889United Airlines
Sun, Aug 2 - Fri, Aug 14
Multiple Airlines Logo
12:57 pm - 1:00 pm
DCA
-
ADL
33h 33m
3 stops
Multiple Airlines Logo
7:15 am - 9:53 pm
ADL
-
DCA
30h 08m
2 stops
$1,938Multiple Airlines
Sat, Oct 24 - Sat, Nov 7
Qantas Airways Logo
9:00 am - 11:05 am
DCA
-
ADL
36h 35m
2 stops
Qantas Airways Logo
6:00 am - 10:58 pm
ADL
-
DCA
30h 28m
2 stops
$1,976Qantas Airways
Thu, Sep 3 - Sat, Sep 19
United Airlines Logo
5:59 pm - 11:05 am
DCA
-
ADL
27h 36m
2 stops
United Airlines Logo
6:05 am - 10:30 pm
ADL
-
DCA
29h 55m
2 stops
$1,986United Airlines
Tue, Jul 28 - Tue, Aug 4
United Airlines Logo
5:59 pm - 1:45 pm
DCA
-
ADL
30h 16m
2 stops
United Airlines Logo
6:05 am - 10:30 pm
ADL
-
DCA
29h 55m
2 stops
$1,987United Airlines
Sun, Jul 26 - Sun, Aug 2
United Airlines Logo
1:00 pm - 11:10 am
DCA
-
ADL
32h 40m
3 stops
United Airlines Logo
6:05 am - 10:30 pm
ADL
-
DCA
29h 55m
2 stops
$1,989United Airlines
Sun, Jul 26 - Sun, Aug 2
Air New Zealand Logo
5:59 pm - 8:05 am
DCA
-
ADL
48h 36m
2 stops
Air New Zealand Logo
12:05 pm - 10:13 pm
ADL
-
DCA
23h 38m
2 stops
$2,012Air New Zealand
Mon, Jun 29 - Wed, Aug 19
Air New Zealand Logo
7:55 am - 8:05 am
DCA
-
ADL
58h 40m
2 stops
Air New Zealand Logo
12:05 pm - 10:13 pm
ADL
-
DCA
23h 38m
2 stops
$2,036Air New Zealand
Sun, Jun 28 - Wed, Aug 19

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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
Jun 29
DCA5:59 pmWashington, D.C. Reagan-National
48h 36m
2 stops
ADL8:05 amAdelaide
Aug 19
ADL12:05 pmAdelaide
23h 38m
2 stops
DCA10:13 pmWashington, D.C. Reagan-National
$2,012
Air New Zealand
Jun 28
DCA7:55 amWashington, D.C. Reagan-National
58h 40m
2 stops
ADL8:05 amAdelaide
Aug 19
ADL12:05 pmAdelaide
23h 38m
2 stops
DCA10:13 pmWashington, D.C. Reagan-National
$2,036
Air New Zealand
Jun 27
DCA5:59 pmWashington, D.C. Reagan-National
48h 36m
2 stops
ADL8:05 amAdelaide
Aug 19
ADL12:05 pmAdelaide
23h 38m
2 stops
DCA10:13 pmWashington, D.C. Reagan-National
$2,062

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
Aug 2
DCA5:59 pmWashington, D.C. Reagan-National
27h 41m
2 stops
ADL11:10 amAdelaide
Aug 14
ADL6:40 amAdelaide
29h 20m
2 stops
DCA10:30 pmWashington, D.C. Reagan-National
$1,889
United Airlines
Jul 28
DCA5:59 pmWashington, D.C. Reagan-National
27h 36m
2 stops
ADL11:05 amAdelaide
Aug 4
ADL6:05 amAdelaide
29h 55m
2 stops
DCA10:30 pmWashington, D.C. Reagan-National
$1,986
United Airlines
Jul 26
DCA5:59 pmWashington, D.C. Reagan-National
30h 16m
2 stops
ADL1:45 pmAdelaide
Aug 2
ADL6:05 amAdelaide
29h 55m
2 stops
DCA10:30 pmWashington, D.C. Reagan-National
$1,987

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated June 13, 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 round-trip

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 10/24

11:00 am-12:35 pm

3 stops35h 05m

Adelaide

Sat 11/7

6:55 pm-7:57 pm

3 stops40h 32m

$1,573

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 10/24

11:00 am-2:05 pm

2 stops36h 35m

Adelaide

Sat 11/7

5:40 pm-7:57 pm

2 stops41h 47m

$1,578

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 8/2

12:52 pm-11:10 am

3 stops32h 48m

Adelaide

Fri 8/14

6:40 am-10:30 pm

2 stops29h 20m

$1,889

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 10/24

12:57 pm-1:00 pm

3 stops33h 33m

Adelaide

Sat 11/7

7:15 am-9:53 pm

2 stops30h 08m

$1,938

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 9/3

9:00 am-11:05 am

2 stops36h 35m

Adelaide

Sat 9/19

6:00 am-10:58 pm

2 stops30h 28m

$1,976
Quickest round-trip

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 7/28

5:59 pm-11:05 am

2 stops27h 36m

Adelaide

Tue 8/4

6:05 am-10:30 pm

2 stops29h 55m

$1,986

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 7/26

5:59 pm-1:45 pm

2 stops30h 16m

Adelaide

Sun 8/2

6:05 am-10:30 pm

2 stops29h 55m

$1,987

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 7/26

1:00 pm-11:10 am

3 stops32h 40m

Adelaide

Sun 8/2

6:05 am-10:30 pm

2 stops29h 55m

$1,989

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 6/29

5:59 pm-8:05 am

2 stops48h 36m

Adelaide

Wed 8/19

12:05 pm-10:13 pm

2 stops23h 38m

$2,012

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 6/28

7:55 am-8:05 am

2 stops58h 40m

Adelaide

Wed 8/19

12:05 pm-10:13 pm

2 stops23h 38m

$2,036

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Adelaide from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Adelaide

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Adelaide?

United Airlines is the most popular carrier operating from Washington, D.C. Reagan-National to Adelaide

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 round-trip 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

28h 23m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Adelaide takes 28h 23m
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 10454.3 mi. 28h 23m is a normal flight duration for this route.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Adelaide Airport.

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

    The travel and health documents you'll need for your trip to Adelaide Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Adelaide Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling 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?

Flights from Washington, D.C. to Adelaide with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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 offers price alerts on flights to Adelaide from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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