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

Qatar Airways and Air Canada 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 August 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.

$755 Cheap Flights from Washington, D.C. Dulles Intl Airport to Adelaide (IAD-ADL) in 2025

Q: What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Adelaide?

Prices are currently high for flights on this route. Typical prices usually range from $1,081 to $1,472. The lowest price recently found on this route was $1,723.

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Adelaide (IAD-ADL)

Round-trip

One-way

Cheap round-trip flights

5:40 pm - 11:35 amIAD-ADL

28h 25m2 stops

12:35 pm - 10:46 pmADL-IAD

23h 41m2 stops

$1,723

Find Deal

Tue, Sep 9 - Sat, Sep 27

9:00 pm - 6:40 amIAD-ADL

44h 10m2 stops

12:25 pm - 3:40 pmADL-IAD

40h 45m2 stops

$1,822Qatar Airways

Find Deal

Mon, Aug 25 - Mon, Sep 8

5:40 pm - 12:05 pmIAD-ADL

28h 55m2 stops

6:30 am - 10:51 pmADL-IAD

30h 51m2 stops

$1,853Qantas Airways

Find Deal

Tue, Sep 30 - Tue, Oct 7

9:00 pm - 8:55 amIAD-ADL

45h 25m2 stops

9:40 pm - 3:40 pmADL-IAD

32h 30m1 stop

$2,000Qatar Airways

Find Deal

Tue, Oct 14 - Sun, Oct 19

9:00 pm - 7:40 amIAD-ADL

44h 10m2 stops

10:10 pm - 3:40 pmADL-IAD

56h 00m2 stops

$2,069Qatar Airways

Find Deal

Tue, Oct 14 - Sun, Oct 19

9:00 pm - 7:40 amIAD-ADL

44h 10m2 stops

10:10 pm - 3:40 pmADL-IAD

56h 00m2 stops

$2,070Qatar Airways

Find Deal

Tue, Oct 14 - Sun, Oct 19

10:20 am - 6:10 pmIAD-ADL

41h 20m3 stops

8:00 pm - 2:25 pmADL-IAD

56h 55m3 stops

$2,214Air Canada

Find Deal

Tue, Oct 14 - Sun, Oct 19

8:25 am - 11:50 amIAD-ADL

37h 55m2 stops

4:30 pm - 11:45 amADL-IAD

56h 45m3 stops

$2,502Air Canada

Find Deal

Tue, Sep 9 - Sat, Sep 27

10:55 am - 8:50 pmIAD-ADL

43h 25m1 stop

10:35 pm - 8:40 amADL-IAD

48h 35m1 stop

$2,646Emirates

Find Deal

Tue, Oct 14 - Sun, Oct 19

10:55 am - 8:50 pmIAD-ADL

43h 25m1 stop

10:35 pm - 8:40 amADL-IAD

48h 35m1 stop

$2,777Emirates

Find Deal

Tue, Oct 14 - Sun, Oct 19

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

Oct 14

IAD10:20 amWashington, D.C. Dulles Intl

41h 20m

3 stops

ADL6:10 pmAdelaide

Oct 19

ADL8:00 pmAdelaide

56h 55m

3 stops

IAD2:25 pmWashington, D.C. Dulles Intl

$2,214

Find similar

Air Canada

Sep 9

IAD8:25 amWashington, D.C. Dulles Intl

37h 55m

2 stops

ADL11:50 amAdelaide

Sep 27

ADL4:30 pmAdelaide

56h 45m

3 stops

IAD11:45 amWashington, D.C. Dulles Intl

$2,502

Find similar

Air Canada

Aug 25

IAD3:41 pmWashington, D.C. Dulles Intl

30h 39m

3 stops

ADL11:50 amAdelaide

Sep 8

ADL8:00 pmAdelaide

38h 55m

3 stops

IAD9:25 pmWashington, D.C. Dulles Intl

$3,244

Find similar

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

Our best Qatar Airways deals on Washington, D.C. Dulles Intl Airport to Adelaide flight tickets

Qatar Airways

Aug 25

IAD9:00 pmWashington, D.C. Dulles Intl

44h 10m

2 stops

ADL6:40 amAdelaide

Sep 8

ADL12:25 pmAdelaide

40h 45m

2 stops

IAD3:40 pmWashington, D.C. Dulles Intl

$1,822

Find similar

Qatar Airways

Oct 14

IAD9:00 pmWashington, D.C. Dulles Intl

45h 25m

2 stops

ADL8:55 amAdelaide

Oct 19

ADL9:40 pmAdelaide

32h 30m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$2,000

Find similar

Qatar Airways

Oct 14

IAD9:00 pmWashington, D.C. Dulles Intl

44h 10m

2 stops

ADL7:40 amAdelaide

Oct 19

ADL10:10 pmAdelaide

56h 00m

2 stops

IAD3:40 pmWashington, D.C. Dulles Intl

$2,069

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.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 9/9

5:40 pm-11:35 am

2 stops28h 25m

Adelaide

Sat 9/27

12:35 pm-10:46 pm

2 stops23h 41m

$1,723

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 8/25

9:00 pm-6:40 am

2 stops44h 10m

Adelaide

Mon 9/8

12:25 pm-3:40 pm

2 stops40h 45m

$1,822

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 9/30

5:40 pm-12:05 pm

2 stops28h 55m

Adelaide

Tue 10/7

6:30 am-10:51 pm

2 stops30h 51m

$1,853

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 10/14

9:00 pm-8:55 am

2 stops45h 25m

Adelaide

Sun 10/19

9:40 pm-3:40 pm

1 stop32h 30m

$2,000

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 10/14

9:00 pm-7:40 am

2 stops44h 10m

Adelaide

Sun 10/19

10:10 pm-3:40 pm

2 stops56h 00m

$2,069

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 10/14

9:00 pm-7:40 am

2 stops44h 10m

Adelaide

Sun 10/19

10:10 pm-3:40 pm

2 stops56h 00m

$2,070

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 10/14

10:20 am-6:10 pm

3 stops41h 20m

Adelaide

Sun 10/19

8:00 pm-2:25 pm

3 stops56h 55m

$2,214

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 9/9

8:25 am-11:50 am

2 stops37h 55m

Adelaide

Sat 9/27

4:30 pm-11:45 am

3 stops56h 45m

$2,502

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 10/14

10:55 am-8:50 pm

1 stop43h 25m

Adelaide

Sun 10/19

10:35 pm-8:40 am

1 stop48h 35m

$2,646

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 10/14

10:55 am-8:50 pm

1 stop43h 25m

Adelaide

Sun 10/19

10:35 pm-8:40 am

1 stop48h 35m

$2,777

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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

Prices

Airlines

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Adelaide?

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

Best Price Found	$755
Fastest flight time	28h 25m
Direct flights	None
Airports in Adelaide	1 airport

The best one-way flight to Adelaide from Washington, D.C. Dulles Intl Airport in the past 72 hours is $755. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Adelaide found on momondo in the last 72 hours is $1,723.

The fastest flight from Washington, D.C. Dulles Intl Airport to Adelaide takes 28h 25m

There are no direct flights from Washington, D.C. Dulles Intl Airport to Adelaide. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Adelaide Airport.

There is 1 airport near Adelaide: Adelaide (ADL)

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 28h 25m.
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 August 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 7.5 896 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.

An easier way to manage your Adelaide trip

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Cheap flights from Washington, D.C. Dulles Intl Airport to Adelaide from $755

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Adelaide (IAD-ADL)

Cheap round-trip flights

Cheap one-way flights

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

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

Our best Qatar Airways deals on Washington, D.C. Dulles Intl Airport to Adelaide flight tickets

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Adelaide that are best for you.

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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Adelaide?

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?

Qatar Airways and Air Canada 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

Best Price Found

Fastest flight time

Direct flights

Airports in Adelaide

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