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$950+ Cheap flights from Dulles Intl (IAD) to Adelaide (ADL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ADL
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Dulles Intl to Adelaide

Cheapest flights from Dulles Intl to Adelaide
Explore the most affordable flight options available from Dulles Intl to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Air Canada deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:10 pm
IAD
-
ADL
3 stops30h 10m
Multiple Airlines
Wed 7/225:15 pm
ADL
-
IAD
2 stops50h 37m
Multiple Airlines
Deal found 2/10$1,098
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2312:33 pm
IAD
-
ADL
3 stops33h 37m
Multiple Airlines
Wed 4/87:35 pm
ADL
-
IAD
3 stops39h 20m
Multiple Airlines
Deal found 2/9$1,101
This Air Canada deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:00 am
IAD
-
ADL
3 stops43h 40m
Air Canada
Sat 4/118:00 pm
ADL
-
IAD
3 stops55h 54m
Air Canada
Deal found 2/10$1,164
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:13 pm
IAD
-
ADL
3 stops58h 27m
Air Canada
Wed 3/47:55 pm
ADL
-
IAD
3 stops40h 56m
Air Canada
Deal found 2/9$1,213
This Air Canada deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:00 am
IAD
-
ADL
3 stops38h 25m
Air Canada
Thu 4/98:00 pm
ADL
-
IAD
3 stops57h 09m
Air Canada
Deal found 2/10$1,214
This FlightHub deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:21 pm
IAD
-
ADL
2 stops26h 14m
Qantas Airways
Wed 7/2210:10 am
ADL
-
IAD
2 stops26h 01m
Qantas Airways
Deal found 2/10$1,232
This Air Canada deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/259:00 am
IAD
-
ADL
3 stops42h 40m
Air Canada
Sat 4/118:00 pm
ADL
-
IAD
3 stops52h 53m
Air Canada
Deal found 2/10$1,239
This Air Canada deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/219:00 am
IAD
-
ADL
3 stops38h 25m
Air Canada
Fri 4/107:00 pm
ADL
-
IAD
3 stops38h 59m
Air Canada
Deal found 2/10$1,264
This Air Canada deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:33 pm
IAD
-
ADL
3 stops33h 37m
Multiple Airlines
Thu 3/196:00 am
ADL
-
IAD
3 stops28h 56m
Multiple Airlines
Deal found 2/10$1,273

Find flight deals from Dulles Intl to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Adelaide (ADL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,098
(Air Canada)

One-way from

$950
(FlightHub)

Popular in

November

Cheapest in

June
Provider with most accurate pricing for Washington, D.C. (WAS)-Adelaide flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Adelaide flights.
Search Deals
From Washington, D.C. Dulles Intl to Adelaide
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Adelaide
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($262 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($55 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated February 13, 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

Dulles Intl

Fly to

Adelaide

Route

Depart

Return

Price

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

9:00 am-10:53 pm

2 stops28h 23m

$1,296

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Wed 2/18

10:30 pm-9:30 am

2 stops43h 30m

Adelaide

Sat 2/28

2:55 pm-9:25 pm

1 stop22h 00m

$1,324

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 3/24

5:37 pm-1:45 pm

2 stops29h 38m

Adelaide

Fri 4/10

6:00 am-11:26 pm

2 stops30h 56m

$1,376

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 3/24

8:46 am-10:55 am

2 stops35h 39m

Adelaide

Tue 3/31

7:45 pm-4:29 pm

2 stops35h 14m

$1,463

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 3/23

5:10 pm-9:20 am

2 stops25h 40m

Adelaide

Wed 4/8

6:05 am-1:25 am

2 stops32h 50m

$1,473

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 6/16

7:21 pm-11:05 am

2 stops26h 14m

$950

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 6/16

2:08 pm-7:00 am

3 stops51h 22m

$1,018

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 6/16

10:55 am-8:05 pm

1 stop43h 40m

$1,801

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Best time to book a flight from Dulles Intl to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Adelaide from Washington, D.C. Dulles Intl?

    Located just 4.1 mi from the city center, Adelaide is the airport most travelers will use when flying to Adelaide from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Adelaide (ADL) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Adelaide?

    Departing from Washington, D.C. Dulles Intl Airport to Adelaide will take you 26h 48m. The distance between Washington, D.C. Dulles Intl Airport and Adelaide is about 10437 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Dulles Intl to Adelaide that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Adelaide flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Adelaide.

  • Can I find deals for business class flights from Dulles Intl to Adelaide?

    Yes. Cheapflights offers flight deals from Dulles Intl to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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