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Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $671

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 15/3. 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.
Qantas Airways Logo
08:35 - 13:40DCA-ADL
37h 35m2 stops
Qantas Airways Logo
07:50 - 20:59ADL-DCA
28h 39m2 stops
$1,466Qantas Airways
Find Deal
Thu, 13 Nov - Mon, 17 Nov
Qantas Airways Logo
08:35 - 18:45DCA-ADL
42h 40m2 stops
Qantas Airways Logo
12:00 - 23:00ADL-DCA
26h 30m2 stops
$1,467Qantas Airways
Find Deal
Thu, 13 Nov - Mon, 17 Nov
Multiple Airlines Logo
09:59 - 22:05DCA-ADL
44h 36m2 stops
Multiple Airlines Logo
18:30 - 20:00ADL-DCA
41h 00m2 stops
$1,470Multiple Airlines
Find Deal
Tue, 9 Dec - Fri, 9 Jan
Air Canada Logo
20:40 - 16:10DCA-ADL
52h 00m3 stops
Air Canada Logo
06:00 - 22:35ADL-DCA
31h 05m3 stops
$1,922Air Canada
Find Deal
Wed, 4 Mar - Tue, 24 Mar
Air New Zealand Logo
07:00 - 10:55DCA-ADL
36h 25m2 stops
Air New Zealand Logo
06:25 - 21:30ADL-DCA
29h 35m2 stops
$2,485Air New Zealand
Find Deal
Wed, 4 Mar - Tue, 24 Mar
Multiple Airlines Logo
06:59 - 10:30DCA-ADL
36h 01m2 stops
Multiple Airlines Logo
12:00 - 18:57ADL-DCA
45h 27m3 stops
$2,654Multiple Airlines
Find Deal
Wed, 4 Mar - Tue, 24 Mar
Air New Zealand Logo
17:59 - 18:15DCA-ADL
32h 46m2 stops
Air New Zealand Logo
11:55 - 23:44ADL-DCA
27h 19m2 stops
$3,457Air New Zealand
Find Deal
Thu, 13 Nov - Mon, 17 Nov
United Airlines Logo
13:00 - 09:30DCA-ADL
29h 00m2 stops
United Airlines Logo
14:55 - 21:43ADL-DCA
22h 18m1 stop
$3,558United Airlines
Find Deal
Mon, 15 Dec - Wed, 31 Dec
United Airlines Logo
13:00 - 09:30DCA-ADL
29h 00m2 stops
United Airlines Logo
14:55 - 23:59ADL-DCA
24h 34m2 stops
$3,564United Airlines
Find Deal
Mon, 15 Dec - Wed, 31 Dec
Air Canada Logo
06:59 - 13:55DCA-ADL
39h 26m3 stops
Air Canada Logo
06:00 - 19:45ADL-DCA
29h 15m3 stops
$3,600Air Canada
Find Deal
Thu, 13 Nov - Mon, 17 Nov

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
4 Mar
DCA07:00Washington, D.C. Reagan-National
36h 25m
2 stops
ADL10:55Adelaide
24 Mar
ADL06:25Adelaide
29h 35m
2 stops
DCA21:30Washington, D.C. Reagan-National
$2,485
Find similar
Air New Zealand
13 Nov
DCA17:59Washington, D.C. Reagan-National
32h 46m
2 stops
ADL18:15Adelaide
17 Nov
ADL11:55Adelaide
27h 19m
2 stops
DCA23:44Washington, D.C. Reagan-National
$3,457
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
4 Mar
DCA20:40Washington, D.C. Reagan-National
52h 00m
3 stops
ADL16:10Adelaide
24 Mar
ADL06:00Adelaide
31h 05m
3 stops
DCA22:35Washington, D.C. Reagan-National
$1,922
Find similar
Air Canada
13 Nov
DCA06:59Washington, D.C. Reagan-National
39h 26m
3 stops
ADL13:55Adelaide
17 Nov
ADL06:00Adelaide
29h 15m
3 stops
DCA19:45Washington, D.C. Reagan-National
$3,600
Find similar
Air Canada
13 Nov
DCA18:50Washington, D.C. Reagan-National
51h 35m
3 stops
ADL13:55Adelaide
17 Nov
ADL19:55Adelaide
39h 20m
3 stops
DCA19:45Washington, D.C. Reagan-National
$3,601
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 17 October 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

Thu 13/11

08:35-13:40

2 stops37h 35m

Adelaide

Mon 17/11

07:50-20:59

2 stops28h 39m

$1,466

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 13/11

08:35-18:45

2 stops42h 40m

Adelaide

Mon 17/11

12:00-23:00

2 stops26h 30m

$1,467

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 9/12

09:59-22:05

2 stops44h 36m

Adelaide

Fri 9/1

18:30-20:00

2 stops41h 00m

$1,470

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 4/3

20:40-16:10

3 stops52h 00m

Adelaide

Tue 24/3

06:00-22:35

3 stops31h 05m

$1,922

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 4/3

07:00-10:55

2 stops36h 25m

Adelaide

Tue 24/3

06:25-21:30

2 stops29h 35m

$2,485

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 4/3

06:59-10:30

2 stops36h 01m

Adelaide

Tue 24/3

12:00-18:57

3 stops45h 27m

$2,654

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 13/11

17:59-18:15

2 stops32h 46m

Adelaide

Mon 17/11

11:55-23:44

2 stops27h 19m

$3,457

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 15/12

13:00-09:30

2 stops29h 00m

Adelaide

Wed 31/12

14:55-21:43

1 stop22h 18m

$3,558

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 15/12

13:00-09:30

2 stops29h 00m

Adelaide

Wed 31/12

14:55-23:59

2 stops24h 34m

$3,564

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 13/11

06:59-13:55

3 stops39h 26m

Adelaide

Mon 17/11

06:00-19:45

3 stops29h 15m

$3,600

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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 $3,001. 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 $3,558. 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 $3,059. Flights in the evening are often more expensive, with an average ticket price of $3,132.

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

Direct flights

None
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.
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  • 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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