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Cheap flights from Washington, D.C. Dulles Intl Airport to Adelaide from $1,083

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. Dulles Intl Airport to Adelaide departing on 4/2. 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. Dulles Intl Airport to Adelaide

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:10 pm - 1:55 pm
IAD
-
ADL
32h 15m
3 stops
Multiple Airlines Logo
7:35 pm - 6:22 am
ADL
-
IAD
48h 17m
2 stops
$1,101Multiple Airlines
Tue, Jun 16 - Wed, Jul 22
Multiple Airlines Logo
12:40 pm - 1:55 pm
IAD
-
ADL
35h 45m
2 stops
Multiple Airlines Logo
4:30 pm - 8:29 pm
ADL
-
IAD
41h 29m
2 stops
$1,156Multiple Airlines
Sun, Apr 12 - Mon, Apr 27
Multiple Airlines Logo
4:10 pm - 11:50 am
IAD
-
ADL
30h 10m
3 stops
Multiple Airlines Logo
5:15 pm - 6:22 am
ADL
-
IAD
50h 37m
2 stops
$1,186Multiple Airlines
Mon, Jun 15 - Tue, Jul 21
Multiple Airlines Logo
9:00 am - 11:50 am
IAD
-
ADL
37h 20m
3 stops
Multiple Airlines Logo
7:35 pm - 9:25 pm
ADL
-
IAD
39h 20m
3 stops
$1,237Multiple Airlines
Sun, Apr 12 - Sun, Apr 26
Air Canada Logo
5:17 pm - 1:55 pm
IAD
-
ADL
55h 08m
3 stops
Air Canada Logo
4:30 pm - 8:29 pm
ADL
-
IAD
41h 29m
3 stops
$1,241Air Canada
Sat, Apr 11 - Mon, Apr 27
Qantas Airways Logo
7:21 pm - 11:55 am
IAD
-
ADL
27h 04m
2 stops
Qantas Airways Logo
6:25 am - 6:31 pm
ADL
-
IAD
25h 36m
2 stops
$1,247Qantas Airways
Mon, Jun 15 - Tue, Jul 21
Singapore Airlines Logo
9:00 am - 11:50 am
IAD
-
ADL
37h 20m
2 stops
Singapore Airlines Logo
8:00 pm - 8:29 pm
ADL
-
IAD
37h 59m
2 stops
$1,266Singapore Airlines
Sun, Apr 12 - Tue, Apr 28
Air Canada Logo
5:17 pm - 11:50 am
IAD
-
ADL
53h 03m
3 stops
Air Canada Logo
8:00 pm - 8:29 pm
ADL
-
IAD
37h 59m
3 stops
$1,291Air Canada
Sat, Apr 11 - Wed, Apr 29
Qantas Airways Logo
5:37 pm - 1:45 pm
IAD
-
ADL
29h 38m
2 stops
Qantas Airways Logo
9:00 am - 10:53 pm
ADL
-
IAD
28h 23m
2 stops
$1,297Qantas Airways
Tue, Mar 10 - Thu, Mar 19
Qantas Airways Logo
5:37 pm - 10:55 am
IAD
-
ADL
26h 48m
2 stops
Qantas Airways Logo
6:25 am - 10:53 pm
ADL
-
IAD
30h 58m
2 stops
$1,309Qantas Airways
Tue, Mar 10 - Thu, Mar 19

Qantas Airways flights from Washington, D.C. Dulles Intl Airport to Adelaide

Our best Qantas Airways deals on Washington, D.C. Dulles Intl Airport to Adelaide flight tickets
Qantas Airways
Jun 15
IAD7:21 pmWashington, D.C. Dulles Intl
27h 04m
2 stops
ADL11:55 amAdelaide
Jul 21
ADL6:25 amAdelaide
25h 36m
2 stops
IAD6:31 pmWashington, D.C. Dulles Intl
$1,247
Qantas Airways
Mar 10
IAD5:37 pmWashington, D.C. Dulles Intl
29h 38m
2 stops
ADL1:45 pmAdelaide
Mar 19
ADL9:00 amAdelaide
28h 23m
2 stops
IAD10:53 pmWashington, D.C. Dulles Intl
$1,297
Qantas Airways
Mar 10
IAD5:37 pmWashington, D.C. Dulles Intl
26h 48m
2 stops
ADL10:55 amAdelaide
Mar 19
ADL6:25 amAdelaide
30h 58m
2 stops
IAD10:53 pmWashington, D.C. Dulles Intl
$1,309

United Airlines flights from Washington, D.C. Dulles Intl Airport to Adelaide

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Adelaide flight tickets
United Airlines
Mar 30
IAD3:25 pmWashington, D.C. Dulles Intl
31h 50m
2 stops
ADL1:45 pmAdelaide
Apr 6
ADL9:20 pmAdelaide
46h 06m
2 stops
IAD5:56 amWashington, D.C. Dulles Intl
$1,761
United Airlines
Feb 18
IAD10:30 pmWashington, D.C. Dulles Intl
43h 30m
2 stops
ADL9:30 amAdelaide
Feb 28
ADL2:55 pmAdelaide
22h 00m
1 stop
IAD9:25 pmWashington, D.C. Dulles Intl
$2,327

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl 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 February 17, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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

Tue 6/16

4:10 pm-1:55 pm

3 stops32h 15m

Adelaide

Wed 7/22

7:35 pm-6:22 am

2 stops48h 17m

$1,101

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sun 4/12

12:40 pm-1:55 pm

2 stops35h 45m

Adelaide

Mon 4/27

4:30 pm-8:29 pm

2 stops41h 29m

$1,156

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 6/15

4:10 pm-11:50 am

3 stops30h 10m

Adelaide

Tue 7/21

5:15 pm-6:22 am

2 stops50h 37m

$1,186

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sun 4/12

9:00 am-11:50 am

3 stops37h 20m

Adelaide

Sun 4/26

7:35 pm-9:25 pm

3 stops39h 20m

$1,237

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 4/11

5:17 pm-1:55 pm

3 stops55h 08m

Adelaide

Mon 4/27

4:30 pm-8:29 pm

3 stops41h 29m

$1,241

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 6/15

7:21 pm-11:55 am

2 stops27h 04m

Adelaide

Tue 7/21

6:25 am-6:31 pm

2 stops25h 36m

$1,247

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sun 4/12

9:00 am-11:50 am

2 stops37h 20m

Adelaide

Tue 4/28

8:00 pm-8:29 pm

2 stops37h 59m

$1,266

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 4/11

5:17 pm-11:50 am

3 stops53h 03m

Adelaide

Wed 4/29

8:00 pm-8:29 pm

3 stops37h 59m

$1,291

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 3/10

5:37 pm-1:45 pm

2 stops29h 38m

Adelaide

Thu 3/19

9:00 am-10:53 pm

2 stops28h 23m

$1,297

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 3/10

5:37 pm-10:55 am

2 stops26h 48m

Adelaide

Thu 3/19

6:25 am-10:53 pm

2 stops30h 58m

$1,309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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. Dulles Intl 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. Dulles Intl to Adelaide?

Air Canada and Qatar Airways are the most popular carriers operating from Washington, D.C. Dulles Intl to Adelaide

When to book flights from Washington, D.C. Dulles Intl Airport to Adelaide

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl 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. Dulles Intl Airport to Adelaide (IAD to ADL) flight deals and tips

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

Fastest flight time

26h 48m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Adelaide takes 26h 48m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Adelaide. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Adelaide.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Adelaide by plane?

    A flight from Washington, D.C. Dulles Intl to Adelaide will travel around 10432.6 mi. By plane, this route typically takes 26h 48m.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Adelaide Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Adelaide Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl 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. Dulles Intl Airport to Adelaide Airport.

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

    The necessary travel and health documents for your Adelaide Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Adelaide?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Adelaide

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Adelaide with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $1,168Free CancellationRating
7.5
991 reviews
Search Qantas Airways flights

Traveling to a place near Adelaide?

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Why should I use momondo to find a flight deal from Washington, D.C. to Adelaide?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Adelaide from Washington, D.C..

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 for Washington, D.C. to Adelaide flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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