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Cheap flights from Washington, D.C. Dulles Intl Airport to Adelaide from $1,430

This is the cheapest round-trip 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 5/30. 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.
Qantas Airways Logo
11:59 am - 9:25 am
IAD
-
ADL
31h 56m
2 stops
Qantas Airways Logo
10:10 am - 10:47 pm
ADL
-
IAD
26h 07m
2 stops
$1,430Qantas Airways
ส., พ.ค. 30 - ส., มิ.ย. 6
Qantas Airways Logo
7:24 pm - 11:05 am
IAD
-
ADL
26h 11m
2 stops
Qantas Airways Logo
10:10 am - 10:53 pm
ADL
-
IAD
26h 13m
2 stops
$1,434Qantas Airways
อ., มิ.ย. 16 - จ., ส.ค. 3
Qantas Airways Logo
7:24 pm - 11:05 am
IAD
-
ADL
26h 11m
2 stops
Qantas Airways Logo
6:00 am - 6:34 pm
ADL
-
IAD
26h 04m
2 stops
$1,447Qantas Airways
ศ., พ.ค. 29 - ศ., มิ.ย. 5
Qantas Airways Logo
7:24 pm - 11:05 am
IAD
-
ADL
26h 11m
2 stops
Qantas Airways Logo
6:00 am - 6:32 pm
ADL
-
IAD
26h 02m
2 stops
$1,448Qantas Airways
ส., มิ.ย. 20 - ส., ก.ค. 4
Qantas Airways Logo
11:59 am - 11:05 am
IAD
-
ADL
33h 36m
2 stops
Qantas Airways Logo
6:30 pm - 10:53 pm
ADL
-
IAD
41h 53m
2 stops
$1,535Qantas Airways
พ., มิ.ย. 3 - อ., ก.ค. 7
Qantas Airways Logo
7:24 pm - 11:05 am
IAD
-
ADL
26h 11m
2 stops
Qantas Airways Logo
6:00 am - 6:32 pm
ADL
-
IAD
26h 02m
2 stops
$1,543Qantas Airways
จ., มิ.ย. 15 - อา., ส.ค. 2
Qantas Airways Logo
7:24 pm - 1:40 pm
IAD
-
ADL
28h 46m
2 stops
Qantas Airways Logo
6:00 am - 6:34 pm
ADL
-
IAD
26h 04m
2 stops
$1,544Qantas Airways
อา., พ.ค. 31 - อา., มิ.ย. 14
Qantas Airways Logo
11:59 am - 9:25 am
IAD
-
ADL
31h 56m
2 stops
Qantas Airways Logo
10:10 am - 10:53 pm
ADL
-
IAD
26h 13m
2 stops
$1,551Qantas Airways
ส., มิ.ย. 13 - จ., ส.ค. 3
Qantas Airways Logo
11:59 am - 9:25 am
IAD
-
ADL
31h 56m
2 stops
Qantas Airways Logo
6:00 am - 6:32 pm
ADL
-
IAD
26h 02m
2 stops
$1,564Qantas Airways
จ., มิ.ย. 15 - ศ., ก.ค. 31
Qantas Airways Logo
7:24 pm - 11:05 am
IAD
-
ADL
26h 11m
2 stops
Qantas Airways Logo
6:00 am - 6:32 pm
ADL
-
IAD
26h 02m
2 stops
$1,577Qantas Airways
อ., มิ.ย. 16 - อา., ส.ค. 2

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
Jun 14
IAD5:55 pmWashington, D.C. Dulles Intl
27h 40m
2 stops
ADL11:05 amAdelaide
Aug 4
ADL6:05 amAdelaide
32h 20m
2 stops
IAD12:55 amWashington, D.C. Dulles Intl
$1,837
United Airlines
Jun 17
IAD5:48 pmWashington, D.C. Dulles Intl
26h 47m
2 stops
ADL10:05 amAdelaide
Aug 1
ADL4:30 pmAdelaide
37h 25m
2 stops
IAD4:25 pmWashington, D.C. Dulles Intl
$1,844
United Airlines
Jun 16
IAD5:55 pmWashington, D.C. Dulles Intl
27h 40m
2 stops
ADL11:05 amAdelaide
Aug 6
ADL6:05 amAdelaide
26h 36m
2 stops
IAD7:11 pmWashington, D.C. Dulles Intl
$1,887

Air Canada flights from Washington, D.C. Dulles Intl Airport to Adelaide

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Adelaide flight tickets
Air Canada
Jun 3
IAD4:05 pmWashington, D.C. Dulles Intl
32h 20m
3 stops
ADL1:55 pmAdelaide
Jul 7
ADL8:00 pmAdelaide
37h 54m
3 stops
IAD8:24 pmWashington, D.C. Dulles Intl
$1,937
Air Canada
Jun 14
IAD5:15 pmWashington, D.C. Dulles Intl
53h 05m
3 stops
ADL11:50 amAdelaide
Aug 5
ADL8:00 pmAdelaide
47h 52m
2 stops
IAD6:22 amWashington, D.C. Dulles Intl
$1,982
Air Canada
Jun 3
IAD4:05 pmWashington, D.C. Dulles Intl
30h 15m
3 stops
ADL11:50 amAdelaide
Jul 7
ADL8:00 pmAdelaide
47h 52m
2 stops
IAD6:22 amWashington, D.C. Dulles Intl
$1,989

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 เมษายน 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

Cheapest round-trip

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

ส. 5/30

11:59 am-9:25 am

2 stops31h 56m

Adelaide

ส. 6/6

10:10 am-10:47 pm

2 stops26h 07m

$1,430

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

อ. 6/16

7:24 pm-11:05 am

2 stops26h 11m

Adelaide

จ. 8/3

10:10 am-10:53 pm

2 stops26h 13m

$1,434

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

ศ. 5/29

7:24 pm-11:05 am

2 stops26h 11m

Adelaide

ศ. 6/5

6:00 am-6:34 pm

2 stops26h 04m

$1,447
Quickest round-trip

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

ส. 6/20

7:24 pm-11:05 am

2 stops26h 11m

Adelaide

ส. 7/4

6:00 am-6:32 pm

2 stops26h 02m

$1,448

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

พ. 6/3

11:59 am-11:05 am

2 stops33h 36m

Adelaide

อ. 7/7

6:30 pm-10:53 pm

2 stops41h 53m

$1,535

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

จ. 6/15

7:24 pm-11:05 am

2 stops26h 11m

Adelaide

อา. 8/2

6:00 am-6:32 pm

2 stops26h 02m

$1,543

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

อา. 5/31

7:24 pm-1:40 pm

2 stops28h 46m

Adelaide

อา. 6/14

6:00 am-6:34 pm

2 stops26h 04m

$1,544

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

ส. 6/13

11:59 am-9:25 am

2 stops31h 56m

Adelaide

จ. 8/3

10:10 am-10:53 pm

2 stops26h 13m

$1,551

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

จ. 6/15

11:59 am-9:25 am

2 stops31h 56m

Adelaide

ศ. 7/31

6:00 am-6:32 pm

2 stops26h 02m

$1,564

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

อ. 6/16

7:24 pm-11:05 am

2 stops26h 11m

Adelaide

อา. 8/2

6:00 am-6:32 pm

2 stops26h 02m

$1,577

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 11m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Adelaide takes 26h 11m
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

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

  • 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 11m.

  • 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 $1,167Free CancellationRating
7.5
1,019 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,436Free CancellationRating
8.0
627 reviews
Search Air New Zealand flights

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

  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to Adelaide?

    Search flight deals from Washington, D.C. Dulles Intl Airport to Adelaide. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Washington, D.C. Dulles Intl Airport to Adelaide with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling 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?

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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