Cheap flights from Washington, D.C. to Adelaide from $829

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. to Adelaide departing on 9/9. 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. to Adelaide (WAS-ADL)

Cheap return flights

 Logo
12:35 - 16:20IAD-ADL
36h 15m3 stops
 Logo
06:00 - 21:20ADL-IAD
30h 50m3 stops
$1,864
Find Deal
Wed, 5 Nov - Mon, 10 Nov
Air New Zealand Logo
18:30 - 11:35IAD-ADL
27h 35m2 stops
Air New Zealand Logo
11:55 - 21:26ADL-IAD
25h 01m2 stops
$2,241Air New Zealand
Find Deal
Mon, 29 Sep - Tue, 4 Nov
Air New Zealand Logo
19:28 - 11:35BWI-ADL
26h 37m2 stops
Air New Zealand Logo
11:55 - 18:07ADL-BWI
45h 42m2 stops
$2,261Air New Zealand
Find Deal
Mon, 29 Sep - Tue, 4 Nov
Air Canada Logo
12:41 - 13:55IAD-ADL
34h 44m3 stops
Air Canada Logo
06:00 - 09:38ADL-IAD
42h 08m3 stops
$2,332Air Canada
Find Deal
Tue, 14 Oct - Sun, 19 Oct
Air Canada Logo
12:41 - 13:55IAD-ADL
34h 44m3 stops
Air Canada Logo
06:00 - 09:38ADL-IAD
42h 08m3 stops
$2,334Air Canada
Find Deal
Tue, 14 Oct - Sun, 19 Oct
Fiji Airways Logo
19:33 - 11:35DCA-ADL
26h 32m2 stops
Fiji Airways Logo
12:35 - 23:09ADL-DCA
24h 04m2 stops
$2,736Fiji Airways
Find Deal
Thu, 18 Sep - Thu, 25 Sep
Qantas Airways Logo
15:24 - 13:00BWI-ADL
30h 06m2 stops
Qantas Airways Logo
12:00 - 22:23ADL-BWI
25h 53m2 stops
$2,745Qantas Airways
Find Deal
Tue, 9 Dec - Fri, 9 Jan
Qantas Airways Logo
15:24 - 18:00BWI-ADL
35h 06m2 stops
Qantas Airways Logo
12:00 - 22:23ADL-BWI
25h 53m2 stops
$2,761Qantas Airways
Find Deal
Tue, 9 Dec - Fri, 9 Jan
United Airlines Logo
13:10 - 09:30BWI-ADL
28h 50m2 stops
United Airlines Logo
14:55 - 05:22ADL-BWI
29h 57m1 stop
$2,816United Airlines
Find Deal
Sat, 13 Dec - Wed, 31 Dec
United Airlines Logo
08:00 - 09:30BWI-ADL
34h 00m2 stops
United Airlines Logo
06:00 - 23:58ADL-BWI
33h 28m3 stops
$2,861United Airlines
Find Deal
Sat, 13 Dec - Wed, 31 Dec

United Airlines flights from Washington, D.C. to Adelaide

Our best United Airlines deals on Washington, D.C. to Adelaide flight tickets
United Airlines
13 Dec
BWI08:00Baltimore/Washington
34h 00m
2 stops
ADL09:30Adelaide
31 Dec
ADL14:55Adelaide
32h 52m
2 stops
BWI08:17Baltimore/Washington
United Airlines
13 Dec
BWI08:00Baltimore/Washington
34h 00m
2 stops
ADL09:30Adelaide
31 Dec
ADL06:00Adelaide
33h 28m
3 stops
BWI23:58Baltimore/Washington
United Airlines
7 Aug
BWI08:55Baltimore/Washington
36h 30m
2 stops
ADL10:55Adelaide
13 Aug
ADL20:00Adelaide
34h 25m
2 stops
BWI16:55Baltimore/Washington

Air New Zealand flights from Washington, D.C. to Adelaide

Our best Air New Zealand deals on Washington, D.C. to Adelaide flight tickets
Air New Zealand
29 Sept
IAD18:30Washington, D.C. Dulles Intl
27h 35m
2 stops
ADL11:35Adelaide
4 Nov
ADL11:55Adelaide
25h 01m
2 stops
IAD21:26Washington, D.C. Dulles Intl
Air New Zealand
29 Sept
BWI19:28Baltimore/Washington
26h 37m
2 stops
ADL11:35Adelaide
4 Nov
ADL11:55Adelaide
45h 42m
2 stops
BWI18:07Baltimore/Washington
Air New Zealand
19 Sept
BWI18:55Baltimore/Washington
50h 30m
2 stops
ADL10:55Adelaide
26 Sept
ADL20:10Adelaide
35h 18m
2 stops
BWI17:58Baltimore/Washington

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. 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 6 August 2025.
Use the filters below to find and compare flights from Washington, D.C. to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Wed 5/11

12:35-16:20

3 stops36h 15m

Adelaide

Mon 10/11

06:00-21:20

3 stops30h 50m

$1,864

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 29/9

18:30-11:35

2 stops27h 35m

Adelaide

Tue 4/11

11:55-21:26

2 stops25h 01m

$2,241

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 29/9

19:28-11:35

2 stops26h 37m

Adelaide

Tue 4/11

11:55-18:07

2 stops45h 42m

$2,261

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 14/10

12:41-13:55

3 stops34h 44m

Adelaide

Sun 19/10

06:00-09:38

3 stops42h 08m

$2,332

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 14/10

12:41-13:55

3 stops34h 44m

Adelaide

Sun 19/10

06:00-09:38

3 stops42h 08m

$2,334

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 18/9

19:33-11:35

2 stops26h 32m

Adelaide

Thu 25/9

12:35-23:09

2 stops24h 04m

$2,736

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 9/12

15:24-13:00

2 stops30h 06m

Adelaide

Fri 9/1

12:00-22:23

2 stops25h 53m

$2,745

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 9/12

15:24-18:00

2 stops35h 06m

Adelaide

Fri 9/1

12:00-22:23

2 stops25h 53m

$2,761

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 13/12

13:10-09:30

2 stops28h 50m

Adelaide

Wed 31/12

14:55-05:22

1 stop29h 57m

$2,816

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 13/12

08:00-09:30

2 stops34h 00m

Adelaide

Wed 31/12

06:00-23:58

3 stops33h 28m

$2,861

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. 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.. The lowest ticket price found for a Saturday departure recently was $3,014. 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 $3,574. 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 $3,072. Flights in the evening are often more expensive, with an average ticket price of $3,146.

When to book flights from Washington, D.C. to Adelaide

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

Cheap Washington, D.C. to Adelaide (WAS to ADL) flight deals and tips

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

Best price found

$829

Fastest flight time

25h 15m

Direct flights

None

Airports in Adelaide

1 airport
The best one-way flight to Adelaide from Washington, D.C. in the past 72 hours is $829. The best return flight deal from Washington, D.C. to Adelaide found on momondo in the last 72 hours is $1,864.
The fastest flight from Washington, D.C. to Adelaide takes 25h 15m
There are no direct flights from Washington, D.C. to Adelaide. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Adelaide Airport, Baltimore/Washington Airport - Adelaide Airport and Washington, D.C. Reagan-National Airport - Adelaide Airport.
There is 1 airport near Adelaide: Adelaide (ADL)
  • How far is Washington, D.C. to Adelaide by plane?

    There are 16825.0 km between Washington, D.C. and Adelaide. By plane, this route typically takes 25h 15m.

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

    Prices for flights from Washington, D.C. to Adelaide Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. 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. 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 licence 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.

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. momondo enables you to select and highlight flights to Adelaide from Washington, D.C. with this policy.

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

Once all potential Washington, D.C. to Adelaide flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Adelaide from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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