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

As of October 2026, there is 1 operator available to choose from 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.

$1,706 Cheap Flights from Washington, D.C. Dulles Intl Airport to Adelaide in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Adelaide

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:10 pm - 8:10 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

47h 30m3 stops Dallas/Fort Worth Hong Kong Intl Sydney Kingsford Smith

2:30 pm - 10:55 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

47h 55m3 stops Sydney Kingsford Smith Hong Kong Intl Dallas/Fort Worth

$1,706Multiple Airlines

Tue, Nov 3 - Tue, Feb 2

12:50 pm - 10:55 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

30h 35m2 stops Houston George Bush Intcntl Auckland Intl

6:05 am - 9:10 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

30h 35m2 stops Melbourne Los Angeles

$1,761Air New Zealand

Tue, Nov 3 - Tue, Feb 2

2:42 pm - 11:55 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

29h 43m2 stops Dallas/Fort Worth Sydney Kingsford Smith

8:55 am - 11:30 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

30h 05m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,926Qantas Airways

Thu, Dec 3 - Sat, Dec 12

5:56 pm - 10:55 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

49h 29m2 stops Los Angeles Auckland Intl

7:10 pm - 4:29 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

36h 49m2 stops Sydney Kingsford Smith Los Angeles

$1,938Air New Zealand

Thu, Nov 26 - Thu, Dec 3

6:00 am - 10:55 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

37h 25m2 stops Houston George Bush Intcntl Auckland Intl

7:50 am - 5:15 amADL Adelaide-IAD Washington, D.C. Dulles Intl

36h 55m2 stops Melbourne Los Angeles

$1,951Air New Zealand

Tue, Dec 1 - Thu, Dec 31

5:10 pm - 8:10 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

47h 30m3 stops Dallas/Fort Worth Hong Kong Intl Sydney Kingsford Smith

12:00 pm - 11:17 amADL Adelaide-IAD Washington, D.C. Dulles Intl

38h 47m2 stops Hong Kong Intl Boston Logan Intl

$1,965Multiple Airlines

Tue, Nov 3 - Tue, Feb 2

6:15 am - 10:55 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

37h 10m2 stops San Francisco Auckland Intl

12:05 pm - 10:42 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

26h 07m2 stops Auckland Intl Houston George Bush Intcntl

$1,969Air New Zealand

Fri, Nov 27 - Fri, Dec 4

5:22 pm - 12:35 pmIAD Washington, D.C. Dulles Intl-ADL Adelaide

27h 43m2 stops Dallas/Fort Worth Brisbane

8:55 am - 10:45 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

29h 20m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$2,032Qantas Airways

Tue, Dec 1 - Thu, Dec 31

9:55 am - 2:05 pmIAD Washington, D.C. Dulles Intl-ADL Adelaide

36h 40m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

7:55 pm - 8:10 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

39h 45m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$2,317Multiple Airlines

Thu, Nov 26 - Thu, Dec 3

8:05 pm - 3:55 pmIAD Washington, D.C. Dulles Intl-ADL Adelaide

28h 20m1 stop Doha Hamad Intl

5:05 pm - 3:55 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

38h 20m2 stops Sydney Kingsford Smith Doha Hamad Intl

$2,346Qatar Airways

Fri, Nov 27 - Fri, Dec 4

Cheap last minute flights

Enter your travel dates to find the best prices.

12:58 pm - 3:45 pmIAD Washington, D.C. Dulles Intl-ADL Adelaide

36h 17m2 stops Los Angeles Melbourne

12:05 pm - 7:12 amADL Adelaide-IAD Washington, D.C. Dulles Intl

33h 37m2 stops Auckland Intl Los Angeles

$1,819Air New Zealand

Mon, Oct 19 - Thu, Oct 29

6:37 pm - 8:05 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

46h 58m2 stops San Francisco Sydney Kingsford Smith

12:05 pm - 7:12 amADL Adelaide-IAD Washington, D.C. Dulles Intl

33h 37m2 stops Auckland Intl Los Angeles

$1,822Air New Zealand

Tue, Oct 20 - Thu, Oct 29

5:45 pm - 5:45 pmIAD Washington, D.C. Dulles Intl-ADL Adelaide

33h 30m2 stops Los Angeles Melbourne

12:05 pm - 7:03 amADL Adelaide-IAD Washington, D.C. Dulles Intl

33h 28m2 stops Auckland Intl San Francisco

$1,869Air New Zealand

Mon, Oct 19 - Fri, Oct 30

2:47 pm - 8:05 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

50h 48m2 stops San Francisco Sydney Kingsford Smith

12:05 pm - 7:03 amADL Adelaide-IAD Washington, D.C. Dulles Intl

33h 28m2 stops Auckland Intl San Francisco

$1,872Air New Zealand

Tue, Oct 20 - Fri, Oct 30

11:05 am - 10:55 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

33h 20m2 stops Doha Hamad Intl Sydney Kingsford Smith

10:00 pm - 4:55 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

33h 25m1 stop Doha Hamad Intl

$2,231Qatar Airways

Tue, Oct 20 - Tue, Oct 27

11:05 am - 10:55 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

33h 20m2 stops Doha Hamad Intl Sydney Kingsford Smith

10:00 pm - 4:55 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

33h 25m1 stop Doha Hamad Intl

$2,231Qatar Airways

Tue, Oct 20 - Thu, Oct 29

11:05 am - 10:55 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

33h 20m2 stops Doha Hamad Intl Sydney Kingsford Smith

10:00 pm - 4:55 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

33h 25m1 stop Doha Hamad Intl

$2,231Qatar Airways

Tue, Oct 20 - Wed, Oct 28

11:05 am - 10:55 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

33h 20m2 stops Doha Hamad Intl Sydney Kingsford Smith

10:00 pm - 4:55 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

33h 25m1 stop Doha Hamad Intl

$2,231Qatar Airways

Tue, Oct 20 - Fri, Oct 30

9:00 pm - 4:00 pmIAD Washington, D.C. Dulles Intl-ADL Adelaide

28h 30m1 stop Doha Hamad Intl

7:50 pm - 4:55 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

35h 35m2 stops Melbourne Doha Hamad Intl

$2,249Qatar Airways

Mon, Oct 19 - Fri, Oct 30

9:00 pm - 4:00 pmIAD Washington, D.C. Dulles Intl-ADL Adelaide

28h 30m1 stop Doha Hamad Intl

7:50 pm - 4:55 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

35h 35m2 stops Melbourne Doha Hamad Intl

$2,249Qatar Airways

Mon, Oct 19 - Thu, Oct 29

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

Our best Air New Zealand deals on Washington, D.C. Dulles Intl Airport to Adelaide flight tickets

Air New Zealand

Oct 22

IAD10:18 pmWashington, D.C. Dulles Intl

46h 07m

2 stops

ADL10:55 amAdelaide

Oct 29

ADL12:05 pmAdelaide

24h 21m

2 stops

IAD9:56 pmWashington, D.C. Dulles Intl

$1,537

Air New Zealand

Oct 23

IAD6:15 amWashington, D.C. Dulles Intl

38h 10m

2 stops

ADL10:55 amAdelaide

Oct 29

ADL12:05 pmAdelaide

33h 37m

2 stops

IAD7:12 amWashington, D.C. Dulles Intl

$1,541

Air New Zealand

Oct 22

IAD10:18 pmWashington, D.C. Dulles Intl

46h 07m

2 stops

ADL10:55 amAdelaide

Oct 30

ADL12:05 pmAdelaide

33h 28m

2 stops

IAD7:03 amWashington, D.C. Dulles Intl

$1,591

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

Oct 19

IAD5:48 pmWashington, D.C. Dulles Intl

29h 27m

2 stops

ADL1:45 pmAdelaide

Oct 26

ADL6:10 amAdelaide

27h 21m

2 stops

IAD7:01 pmWashington, D.C. Dulles Intl

$2,409

United Airlines

Oct 19

IAD3:36 pmWashington, D.C. Dulles Intl

31h 39m

2 stops

ADL1:45 pmAdelaide

Oct 27

ADL7:15 amAdelaide

26h 16m

2 stops

IAD7:01 pmWashington, D.C. Dulles Intl

$2,412

United Airlines

Mar 29

IAD8:25 amWashington, D.C. Dulles Intl

37h 15m

2 stops

ADL12:10 pmAdelaide

Apr 2

ADL6:10 amAdelaide

31h 03m

2 stops

IAD10:43 pmWashington, D.C. Dulles Intl

$2,456

momondo Fare Finder

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 Washington, D.C. Dulles Intl - ADL Adelaide

IADADL

Washington, D.C. Dulles Intl

Tue 11/3

5:10 pm-8:10 am

3 stops47h 30m

Adelaide

Tue 2/2

2:30 pm-10:55 pm

3 stops47h 55m

$1,706

Washington, D.C.Adelaide

IAD Washington, D.C. Dulles Intl - ADL Adelaide

IADADL

Washington, D.C. Dulles Intl

Tue 11/3

12:50 pm-10:55 am

2 stops30h 35m

Adelaide

Tue 2/2

6:05 am-9:10 pm

2 stops30h 35m

$1,761

Washington, D.C.Adelaide

IAD Washington, D.C. Dulles Intl - ADL Adelaide

IADADL

Washington, D.C. Dulles Intl

Thu 12/3

2:42 pm-11:55 am

2 stops29h 43m

Adelaide

Sat 12/12

8:55 am-11:30 pm

2 stops30h 05m

$1,926

Washington, D.C.Adelaide

IAD Washington, D.C. Dulles Intl - ADL Adelaide

IADADL

Washington, D.C. Dulles Intl

Thu 11/26

5:56 pm-10:55 am

2 stops49h 29m

Adelaide

Thu 12/3

7:10 pm-4:29 pm

2 stops36h 49m

$1,938

Washington, D.C.Adelaide

IAD Washington, D.C. Dulles Intl - ADL Adelaide

IADADL

Washington, D.C. Dulles Intl

Tue 12/1

6:00 am-10:55 am

2 stops37h 25m

Adelaide

Thu 12/31

7:50 am-5:15 am

2 stops36h 55m

$1,951

Washington, D.C.Adelaide

IAD Washington, D.C. Dulles Intl - ADL Adelaide

IADADL

Washington, D.C. Dulles Intl

Tue 11/3

5:10 pm-8:10 am

3 stops47h 30m

Adelaide

Tue 2/2

12:00 pm-11:17 am

2 stops38h 47m

$1,965

Washington, D.C.Adelaide

IAD Washington, D.C. Dulles Intl - ADL Adelaide

IADADL

Washington, D.C. Dulles Intl

Fri 11/27

6:15 am-10:55 am

2 stops37h 10m

Adelaide

Fri 12/4

12:05 pm-10:42 pm

2 stops26h 07m

$1,969

Quickest round-trip

Washington, D.C.Adelaide

IAD Washington, D.C. Dulles Intl - ADL Adelaide

IADADL

Washington, D.C. Dulles Intl

Tue 12/1

5:22 pm-12:35 pm

2 stops27h 43m

Adelaide

Thu 12/31

8:55 am-10:45 pm

2 stops29h 20m

$2,032

Washington, D.C.Adelaide

IAD Washington, D.C. Dulles Intl - ADL Adelaide

IADADL

Washington, D.C. Dulles Intl

Thu 11/26

9:55 am-2:05 pm

3 stops36h 40m

Adelaide

Thu 12/3

7:55 pm-8:10 pm

3 stops39h 45m

$2,317

Washington, D.C.Adelaide

IAD Washington, D.C. Dulles Intl - ADL Adelaide

IADADL

Washington, D.C. Dulles Intl

Fri 11/27

8:05 pm-3:55 pm

1 stop28h 20m

Adelaide

Fri 12/4

5:05 pm-3:55 pm

2 stops38h 20m

$2,346

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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?

United Airlines is the most popular carrier 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

Best Price Found	$3,533
Fastest flight time	27h 43m
Direct flights	None

The best one-way flight to Adelaide from Washington, D.C. Dulles Intl Airport in the past 72 hours is $3,533. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Adelaide found on momondo in the last 72 hours is $1,706.

The fastest flight from Washington, D.C. Dulles Intl Airport to Adelaide takes 27h 43m

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 27h 43m.
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?
As of October 2026, there is 1 operator available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Dulles Intl Airport to Adelaide is Qantas Airways, representing 100% of all bookings.

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 Airways	PriceFrom $1,167	Free Cancellation	Rating 7.5 1,110 reviews		Search Qantas Airways flights

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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Cheap flights from Washington, D.C. Dulles Intl Airport to Adelaide from $1,706

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

Our best Air New Zealand deals on Washington, D.C. Dulles Intl Airport to Adelaide flight tickets

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

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Adelaide

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Adelaide?

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

Cheap Washington, D.C. Dulles Intl Airport to Adelaide (IAD to ADL) flight deals and tips

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Frequently asked questions about flying 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

Traveling to a place near Adelaide?

Why use momondo?

An easier way to manage your Adelaide trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

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List of cabin classes available on flights landing in Adelaide. Availability may vary depending on flight origin and airline.

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