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Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $1,216

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 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
United Airlines Logo
14:45 - 13:55
DCA
-
ADL
31h 40m2 stops
United Airlines Logo
14:55 - 21:52
ADL
-
DCA
22h 27m1 stop
$2,226United Airlines
Wed, 21 Jan - Wed, 28 Jan
United Airlines Logo
16:28 - 13:55
DCA
-
ADL
29h 57m2 stops
United Airlines Logo
14:55 - 08:32
ADL
-
DCA
33h 07m2 stops
$2,232United Airlines
Wed, 21 Jan - Wed, 28 Jan
United Airlines Logo
07:00 - 13:55
DCA
-
ADL
39h 25m2 stops
United Airlines Logo
07:15 - 22:37
ADL
-
DCA
30h 52m3 stops
$2,236United Airlines
Wed, 21 Jan - Wed, 28 Jan
Multiple Airlines Logo
06:59 - 13:55
DCA
-
ADL
39h 26m3 stops
Multiple Airlines Logo
06:00 - 22:35
ADL
-
DCA
32h 05m3 stops
$2,244Multiple Airlines
Wed, 21 Jan - Wed, 28 Jan
Qantas Airways Logo
13:32 - 09:25
DCA
-
ADL
28h 23m2 stops
Qantas Airways Logo
20:55 - 20:57
ADL
-
DCA
39h 32m2 stops
$3,124Qantas Airways
Wed, 25 Feb - Sun, 1 Mar
Qantas Airways Logo
13:32 - 09:25
DCA
-
ADL
28h 23m2 stops
Qantas Airways Logo
20:55 - 20:57
ADL
-
DCA
39h 32m2 stops
$3,125Qantas Airways
Wed, 25 Feb - Sun, 1 Mar
Air Canada Logo
20:40 - 16:10
DCA
-
ADL
52h 00m3 stops
Air Canada Logo
19:55 - 22:35
ADL
-
DCA
42h 10m3 stops
$3,323Air Canada
Wed, 25 Feb - Sun, 1 Mar
Air Canada Logo
20:40 - 16:10
DCA
-
ADL
52h 00m3 stops
Air Canada Logo
19:55 - 22:35
ADL
-
DCA
42h 10m3 stops
$3,324Air Canada
Wed, 25 Feb - Sun, 1 Mar
United Airlines Logo
17:59 - 09:30
DCA
-
ADL
24h 01m1 stop
United Airlines Logo
14:55 - 21:43
ADL
-
DCA
22h 18m1 stop
$3,407United Airlines
Thu, 25 Dec - Wed, 31 Dec
United Airlines Logo
13:00 - 09:30
DCA
-
ADL
29h 00m2 stops
United Airlines Logo
14:55 - 21:43
ADL
-
DCA
22h 18m1 stop
$3,413United Airlines
Thu, 25 Dec - Wed, 31 Dec

Qantas Airways flights from Washington, D.C. Reagan-National Airport to Adelaide

Our best Qantas Airways deals on Washington, D.C. Reagan-National Airport to Adelaide flight tickets
Qantas Airways
25 Feb
DCA13:32Washington, D.C. Reagan-National
28h 23m
2 stops
ADL09:25Adelaide
1 Mar
ADL20:55Adelaide
39h 32m
2 stops
DCA20:57Washington, D.C. Reagan-National
$3,124
Find similar
Qantas Airways
25 Feb
DCA13:32Washington, D.C. Reagan-National
28h 23m
2 stops
ADL09:25Adelaide
1 Mar
ADL20:55Adelaide
39h 32m
2 stops
DCA20:57Washington, D.C. Reagan-National
$3,125
Find similar
Qantas Airways
9 Dec
DCA12:59Washington, D.C. Reagan-National
30h 26m
2 stops
ADL10:55Adelaide
9 Jan
ADL20:00Adelaide
38h 11m
2 stops
DCA18:41Washington, D.C. Reagan-National
$3,261
Find similar

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

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Adelaide flight tickets
Air Canada
25 Feb
DCA20:40Washington, D.C. Reagan-National
52h 00m
3 stops
ADL16:10Adelaide
1 Mar
ADL19:55Adelaide
42h 10m
3 stops
DCA22:35Washington, D.C. Reagan-National
$3,323
Find similar
Air Canada
25 Feb
DCA20:40Washington, D.C. Reagan-National
52h 00m
3 stops
ADL16:10Adelaide
1 Mar
ADL19:55Adelaide
42h 10m
3 stops
DCA22:35Washington, D.C. Reagan-National
$3,324
Find similar
Air Canada
25 Dec
DCA09:40Washington, D.C. Reagan-National
39h 00m
3 stops
ADL16:10Adelaide
31 Dec
ADL18:55Adelaide
43h 10m
3 stops
DCA22:35Washington, D.C. Reagan-National
$5,285
Find similar

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 8 December 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

Fly to

Route

Depart

Return

Price

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 21/1

14:45-13:55

2 stops31h 40m

Adelaide

Wed 28/1

14:55-21:52

1 stop22h 27m

$2,226

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 21/1

16:28-13:55

2 stops29h 57m

Adelaide

Wed 28/1

14:55-08:32

2 stops33h 07m

$2,232

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 21/1

07:00-13:55

2 stops39h 25m

Adelaide

Wed 28/1

07:15-22:37

3 stops30h 52m

$2,236

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 21/1

06:59-13:55

3 stops39h 26m

Adelaide

Wed 28/1

06:00-22:35

3 stops32h 05m

$2,244

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 25/2

13:32-09:25

2 stops28h 23m

Adelaide

Sun 1/3

20:55-20:57

2 stops39h 32m

$3,124

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 25/2

13:32-09:25

2 stops28h 23m

Adelaide

Sun 1/3

20:55-20:57

2 stops39h 32m

$3,125

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 25/2

20:40-16:10

3 stops52h 00m

Adelaide

Sun 1/3

19:55-22:35

3 stops42h 10m

$3,323

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 25/2

20:40-16:10

3 stops52h 00m

Adelaide

Sun 1/3

19:55-22:35

3 stops42h 10m

$3,324

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 25/12

17:59-09:30

1 stop24h 01m

Adelaide

Wed 31/12

14:55-21:43

1 stop22h 18m

$3,407

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 25/12

13:00-09:30

2 stops29h 00m

Adelaide

Wed 31/12

14:55-21:43

1 stop22h 18m

$3,413

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 day to depart on your flight to Adelaide?

According to our data, Saturday is the cheapest day to fly to Adelaide from Washington, D.C. Reagan-National Airport. The lowest ticket price found for a Saturday departure recently was $2,933. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $3,477. These prices are subject to change though, so be sure to set up a Price Alert for flights to Adelaide.

What is the cheapest time of day to depart on your flight to Adelaide?

The cheapest time of day to fly to Adelaide is in the afternoon when flights can be purchased for as low as $2,989. Flights in the evening are often more expensive, with an average ticket price of $3,061.

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

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

  • 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 24h 01m.

  • 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.

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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