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Cheap flights from Washington, D.C. to Adelaide from $1,215

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 20/7. 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. to Adelaide

Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
15:48 - 09:25
BWI
-
ADL
27h 07m
2 stops
Qantas Airways Logo
18:30 - 18:17
ADL
-
BWI
39h 17m
2 stops
$1,895Qantas Airways
Sat, 24 Oct - Sat, 7 Nov
United Airlines Logo
06:38 - 13:45
BWI
-
ADL
41h 37m
2 stops
United Airlines Logo
06:05 - 17:57
ADL
-
BWI
25h 22m
2 stops
$2,175United Airlines
Sun, 26 Jul - Sun, 2 Aug
Multiple Airlines Logo
06:38 - 13:45
BWI
-
ADL
41h 37m
2 stops
Multiple Airlines Logo
18:30 - 17:57
ADL
-
BWI
36h 57m
2 stops
$2,178Multiple Airlines
Sun, 26 Jul - Sat, 8 Aug
Air Canada Logo
08:29 - 11:10
IAD
-
ADL
37h 11m
2 stops
Air Canada Logo
19:00 - 21:24
ADL
-
IAD
39h 54m
3 stops
$2,179Air Canada
Sun, 6 Sep - Sun, 20 Sep
Multiple Airlines Logo
22:19 - 12:35
IAD
-
ADL
47h 46m
2 stops
Multiple Airlines Logo
09:25 - 20:10
ADL
-
IAD
50h 15m
2 stops
$2,188Multiple Airlines
Sat, 24 Oct - Sat, 7 Nov
United Airlines Logo
06:38 - 13:45
BWI
-
ADL
41h 37m
2 stops
United Airlines Logo
06:05 - 11:47
ADL
-
BWI
43h 12m
3 stops
$2,204United Airlines
Sun, 26 Jul - Sun, 2 Aug
Multiple Airlines Logo
06:38 - 13:45
BWI
-
ADL
41h 37m
2 stops
Multiple Airlines Logo
14:20 - 11:47
ADL
-
BWI
58h 57m
3 stops
$2,206Multiple Airlines
Sun, 26 Jul - Sat, 8 Aug
Air New Zealand Logo
18:59 - 11:10
BWI
-
ADL
26h 41m
2 stops
Air New Zealand Logo
20:00 - 17:20
ADL
-
BWI
34h 50m
2 stops
$2,222Air New Zealand
Sun, 2 Aug - Fri, 14 Aug
Air New Zealand Logo
06:30 - 10:55
IAD
-
ADL
36h 55m
2 stops
Air New Zealand Logo
06:05 - 16:13
ADL
-
IAD
25h 38m
2 stops
$2,360Air New Zealand
Mon, 23 Nov - Mon, 14 Dec
Air Canada Logo
08:29 - 13:55
IAD
-
ADL
39h 56m
2 stops
Air Canada Logo
16:30 - 06:30
ADL
-
IAD
51h 30m
2 stops
$2,468Air Canada
Tue, 8 Sep - Tue, 22 Sep

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Qatar Airways flights from Washington, D.C. to Adelaide

Our best Qatar Airways deals on Washington, D.C. to Adelaide flight tickets
Qatar Airways
23 July
IAD21:00Washington, D.C. Dulles Intl
29h 00m
1 stop
ADL15:30Adelaide
30 July
ADL16:30Adelaide
36h 40m
2 stops
IAD15:40Washington, D.C. Dulles Intl
$2,960
Qatar Airways
5 Sept
IAD11:05Washington, D.C. Dulles Intl
34h 20m
2 stops
ADL10:55Adelaide
19 Sept
ADL21:40Adelaide
31h 30m
1 stop
IAD15:40Washington, D.C. Dulles Intl
$3,002
Qatar Airways
3 Sept
IAD21:00Washington, D.C. Dulles Intl
28h 30m
1 stop
ADL15:00Adelaide
19 Sept
ADL09:30Adelaide
36h 45m
2 stops
IAD08:45Washington, D.C. Dulles Intl
$3,044

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
2 Aug
BWI18:59Baltimore/Washington
26h 41m
2 stops
ADL11:10Adelaide
14 Aug
ADL20:00Adelaide
34h 50m
2 stops
BWI17:20Baltimore/Washington
$2,222
Air New Zealand
23 Nov
IAD06:30Washington, D.C. Dulles Intl
36h 55m
2 stops
ADL10:55Adelaide
14 Dec
ADL06:05Adelaide
25h 38m
2 stops
IAD16:13Washington, D.C. Dulles Intl
$2,360
Air New Zealand
23 Nov
IAD06:30Washington, D.C. Dulles Intl
36h 55m
2 stops
ADL10:55Adelaide
14 Dec
ADL07:50Adelaide
23h 53m
2 stops
IAD16:13Washington, D.C. Dulles Intl
$2,429

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 13 June 2026.
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

Cheapest return flight

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 24/10

15:48-09:25

2 stops27h 07m

Adelaide

Sat 7/11

18:30-18:17

2 stops39h 17m

$1,895

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sun 26/7

06:38-13:45

2 stops41h 37m

Adelaide

Sun 2/8

06:05-17:57

2 stops25h 22m

$2,175

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sun 26/7

06:38-13:45

2 stops41h 37m

Adelaide

Sat 8/8

18:30-17:57

2 stops36h 57m

$2,178

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sun 6/9

08:29-11:10

2 stops37h 11m

Adelaide

Sun 20/9

19:00-21:24

3 stops39h 54m

$2,179

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 24/10

22:19-12:35

2 stops47h 46m

Adelaide

Sat 7/11

09:25-20:10

2 stops50h 15m

$2,188

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sun 26/7

06:38-13:45

2 stops41h 37m

Adelaide

Sun 2/8

06:05-11:47

3 stops43h 12m

$2,204

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sun 26/7

06:38-13:45

2 stops41h 37m

Adelaide

Sat 8/8

14:20-11:47

3 stops58h 57m

$2,206
Fastest return journey

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sun 2/8

18:59-11:10

2 stops26h 41m

Adelaide

Fri 14/8

20:00-17:20

2 stops34h 50m

$2,222

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 23/11

06:30-10:55

2 stops36h 55m

Adelaide

Mon 14/12

06:05-16:13

2 stops25h 38m

$2,360

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 8/9

08:29-13:55

2 stops39h 56m

Adelaide

Tue 22/9

16:30-06:30

2 stops51h 30m

$2,468

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 airline that flies from Washington, D.C. to Adelaide?

Qatar Airways and United Airlines are the most popular carriers operating from Washington, D.C. to Adelaide

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

Fastest flight time

25h 12m

Direct flights

None
The fastest flight from Washington, D.C. to Adelaide takes 25h 12m
There are no direct flights from Washington, D.C. to Adelaide. There are no popular flight routes from Washington, D.C. to Adelaide.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Adelaide

  • 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 12m.

  • 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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