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

United Airlines, Cathay Pacific, and Emirates are the most popular carriers operating from Washington, D.C. Dulles Intl to Adelaide

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

As of November 2025, 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.

$893 Cheap Flights from Washington, D.C. Dulles Intl Airport to Adelaide in 2025/26

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

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Cheap round-trip flights

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10:09 pm - 7:10 pmIAD-ADL

53h 31m3 stops

7:55 pm - 8:30 pmADL-IAD

40h 05m3 stops

$893Air Canada

Find Deal

Sat, Feb 21 - Wed, Feb 25

5:13 pm - 1:55 pmIAD-ADL

53h 12m3 stops

7:55 pm - 9:21 pmADL-IAD

40h 56m3 stops

$894Air Canada

Find Deal

Sat, Feb 21 - Wed, Feb 25

12:33 pm - 2:05 pmIAD-ADL

34h 02m3 stops

7:40 pm - 8:26 pmADL-IAD

39h 16m3 stops

$1,472Multiple Airlines

Find Deal

Sat, Feb 14 - Sat, Mar 14

6:48 am - 10:55 amIAD-ADL

36h 37m2 stops

11:55 am - 8:42 pmADL-IAD

24h 17m2 stops

$1,479Air New Zealand

Find Deal

Fri, Nov 28 - Fri, Dec 5

6:05 pm - 9:30 amIAD-ADL

23h 55m1 stop

2:55 pm - 5:27 amADL-IAD

30h 02m1 stop

$1,489United Airlines

Find Deal

Sat, Feb 21 - Wed, Feb 25

12:35 pm - 9:30 amIAD-ADL

29h 25m2 stops

2:55 pm - 11:56 pmADL-IAD

24h 31m2 stops

$1,493United Airlines

Find Deal

Sat, Feb 21 - Wed, Feb 25

10:11 pm - 7:00 pmIAD-ADL

53h 19m3 stops

6:00 am - 8:26 pmADL-IAD

29h 56m3 stops

$1,564Multiple Airlines

Find Deal

Wed, Nov 26 - Fri, Dec 5

5:37 pm - 10:05 pmIAD-ADL

36h 58m2 stops

4:10 pm - 10:15 pmADL-IAD

44h 35m2 stops

$1,642Qantas Airways

Find Deal

Sat, Feb 14 - Sat, Mar 14

5:03 pm - 2:15 pmIAD-ADL

29h 42m2 stops

7:00 pm - 10:59 pmADL-IAD

43h 29m2 stops

$1,660Qantas Airways

Find Deal

Thu, Nov 13 - Mon, Dec 8

6:59 pm - 6:15 pmIAD-ADL

31h 46m2 stops

11:55 am - 8:42 pmADL-IAD

24h 17m2 stops

$1,941Air New Zealand

Find Deal

Wed, Nov 12 - Fri, Dec 5

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

Feb 21

IAD10:09 pmWashington, D.C. Dulles Intl

53h 31m

3 stops

ADL7:10 pmAdelaide

Feb 25

ADL7:55 pmAdelaide

40h 05m

3 stops

IAD8:30 pmWashington, D.C. Dulles Intl

$893

Find similar

Air Canada

Feb 21

IAD5:13 pmWashington, D.C. Dulles Intl

53h 12m

3 stops

ADL1:55 pmAdelaide

Feb 25

ADL7:55 pmAdelaide

40h 56m

3 stops

IAD9:21 pmWashington, D.C. Dulles Intl

$894

Find similar

Air Canada

Feb 21

IAD10:09 pmWashington, D.C. Dulles Intl

48h 16m

3 stops

ADL1:55 pmAdelaide

Feb 25

ADL7:55 pmAdelaide

40h 05m

3 stops

IAD8:30 pmWashington, D.C. Dulles Intl

$1,300

Find similar

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

Nov 28

IAD6:48 amWashington, D.C. Dulles Intl

36h 37m

2 stops

ADL10:55 amAdelaide

Dec 5

ADL11:55 amAdelaide

24h 17m

2 stops

IAD8:42 pmWashington, D.C. Dulles Intl

$1,479

Find similar

Air New Zealand

Nov 10

IAD12:35 pmWashington, D.C. Dulles Intl

30h 50m

2 stops

ADL10:55 amAdelaide

Nov 30

ADL6:00 amAdelaide

34h 26m

2 stops

IAD12:56 amWashington, D.C. Dulles Intl

$1,814

Find similar

Air New Zealand

Nov 10

IAD12:35 pmWashington, D.C. Dulles Intl

30h 50m

2 stops

ADL10:55 amAdelaide

Dec 5

ADL7:00 pmAdelaide

36h 55m

2 stops

IAD4:25 pmWashington, D.C. Dulles Intl

$1,938

Find similar

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.

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Route

Depart

Return

Price

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 2/21

10:09 pm-7:10 pm

3 stops53h 31m

Adelaide

Wed 2/25

7:55 pm-8:30 pm

3 stops40h 05m

$893

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 2/21

5:13 pm-1:55 pm

3 stops53h 12m

Adelaide

Wed 2/25

7:55 pm-9:21 pm

3 stops40h 56m

$894

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 2/14

12:33 pm-2:05 pm

3 stops34h 02m

Adelaide

Sat 3/14

7:40 pm-8:26 pm

3 stops39h 16m

$1,472

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Fri 11/28

6:48 am-10:55 am

2 stops36h 37m

Adelaide

Fri 12/5

11:55 am-8:42 pm

2 stops24h 17m

$1,479

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 2/21

6:05 pm-9:30 am

1 stop23h 55m

Adelaide

Wed 2/25

2:55 pm-5:27 am

1 stop30h 02m

$1,489

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 2/21

12:35 pm-9:30 am

2 stops29h 25m

Adelaide

Wed 2/25

2:55 pm-11:56 pm

2 stops24h 31m

$1,493

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Wed 11/26

10:11 pm-7:00 pm

3 stops53h 19m

Adelaide

Fri 12/5

6:00 am-8:26 pm

3 stops29h 56m

$1,564

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 2/14

5:37 pm-10:05 pm

2 stops36h 58m

Adelaide

Sat 3/14

4:10 pm-10:15 pm

2 stops44h 35m

$1,642

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Thu 11/13

5:03 pm-2:15 pm

2 stops29h 42m

Adelaide

Mon 12/8

7:00 pm-10:59 pm

2 stops43h 29m

$1,660

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Wed 11/12

6:59 pm-6:15 pm

2 stops31h 46m

Adelaide

Fri 12/5

11:55 am-8:42 pm

2 stops24h 17m

$1,941

Flights are sorted by cheapest round-trip flights first.

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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

Prices

Airlines

What is the cheapest day to depart on your flight to Adelaide?

The cheapest day to depart on your flight to Adelaide is on a Sunday when prices can be found for as low as $1,596. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Adelaide is Friday, with ticket prices averaging around $2,914.

What is the cheapest time of day to depart on your flight to Adelaide?

According to our data, the cheapest time of day to fly to Adelaide is in the afternoon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Adelaide in the afternoon for as low as $1,741. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Adelaide are more costly at noon, with an average ticket price of $2,841. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights	None

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.

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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 23h 21m.
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 November 2025, 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 $1,070	Free Cancellation	Rating 7.5 926 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 $893

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

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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

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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 day to depart on your flight to Adelaide?

What is the cheapest time of day to depart on your flight to Adelaide?

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

United Airlines, Cathay Pacific, and Emirates 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

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

Direct flights

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

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

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?

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

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

Traveling to a place near Adelaide?

Why use momondo?

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

Can I find flights from Washington, D.C. to Adelaide with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Adelaide?

I’m not ready to book a flight from Washington, D.C. to Adelaide right now. Can momondo alert me if prices change?

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

Airports servicing South Australia