How long does it take to fly to Adelaide?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Adelaide you fly into. For example, flying from Washington, D.C. to Adelaide takes 25h 52m on average. On the other hand, flying from Baltimore to Adelaide takes 27h 29m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

Qantas Airways, United Airlines, and Cathay Pacific are the most popular carriers operating from Washington, D.C. to Adelaide

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

Prices for flights from Washington, D.C. to Adelaide Airport refresh daily.

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

The number of operators available for flights from Washington, D.C. to Adelaide Airport is 1 as of December 2025.

How old do you have to be to fly from Washington, D.C. 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. 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.

$762 Cheap Flights from Washington, D.C. to Adelaide in 2025/26

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Cheap round-trip flights

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3:22 pm - 11:50 amBWI-ADL

28h 58m2 stops

12:00 pm - 10:59 pmADL-BWI

25h 29m2 stops

$1,224Qantas Airways

Find Deal

Sat, Feb 14 - Sat, Mar 14

3:22 pm - 10:55 amBWI-ADL

28h 03m2 stops

12:00 pm - 10:59 pmADL-BWI

25h 29m2 stops

$1,225Qantas Airways

Find Deal

Sat, Feb 14 - Sat, Mar 14

5:37 pm - 11:50 amIAD-ADL

27h 43m2 stops

9:00 am - 10:53 pmADL-IAD

28h 23m2 stops

$1,267Qantas Airways

Find Deal

Tue, Mar 10 - Thu, Mar 19

5:37 pm - 6:15 pmIAD-ADL

34h 08m2 stops

8:55 pm - 10:53 pmADL-IAD

40h 28m2 stops

$1,272Qantas Airways

Find Deal

Tue, Mar 10 - Thu, Mar 19

9:59 am - 10:55 amDCA-ADL

33h 26m2 stops

7:50 am - 8:00 pmADL-DCA

27h 40m2 stops

$1,276Multiple Airlines

Find Deal

Thu, Jan 15 - Thu, Jan 22

8:42 am - 9:30 amBWI-ADL

33h 18m1 stop

1:55 pm - 7:19 amADL-BWI

31h 54m1 stop

$1,311United Airlines

Find Deal

Sat, Feb 14 - Sat, Mar 14

4:10 pm - 9:30 amBWI-ADL

25h 50m2 stops

2:55 pm - 7:07 amADL-BWI

31h 42m1 stop

$1,312United Airlines

Find Deal

Sat, Jan 17 - Sat, Jan 24

6:59 am - 2:05 pmDCA-ADL

39h 36m3 stops

7:45 pm - 10:35 pmADL-DCA

42h 20m3 stops

$1,451Multiple Airlines

Find Deal

Sat, Jan 17 - Sat, Jan 24

8:40 pm - 1:55 pmDCA-ADL

50h 45m3 stops

7:55 pm - 10:35 pmADL-DCA

41h 10m3 stops

$1,549Air Canada

Find Deal

Sat, Mar 14 - Wed, Mar 18

8:40 pm - 1:55 pmDCA-ADL

50h 45m3 stops

7:55 pm - 10:35 pmADL-DCA

41h 10m3 stops

$1,550Air Canada

Find Deal

Sat, Mar 14 - Wed, Mar 18

Air Canada flights from Washington, D.C. to Adelaide

Our best Air Canada deals on Washington, D.C. to Adelaide flight tickets

Air Canada

Mar 14

DCA8:40 pmWashington, D.C. Reagan-National

50h 45m

3 stops

ADL1:55 pmAdelaide

Mar 18

ADL7:55 pmAdelaide

41h 10m

3 stops

DCA10:35 pmWashington, D.C. Reagan-National

$1,549

Find similar

Air Canada

Mar 14

DCA8:40 pmWashington, D.C. Reagan-National

50h 45m

3 stops

ADL1:55 pmAdelaide

Mar 18

ADL7:55 pmAdelaide

41h 10m

3 stops

DCA10:35 pmWashington, D.C. Reagan-National

$1,550

Find similar

Air Canada

Mar 10

IAD9:00 amWashington, D.C. Dulles Intl

38h 25m

3 stops

ADL1:55 pmAdelaide

Mar 19

ADL6:00 amAdelaide

29h 51m

2 stops

IAD9:21 pmWashington, D.C. Dulles Intl

$1,557

Find similar

Qantas Airways flights from Washington, D.C. to Adelaide

Our best Qantas Airways deals on Washington, D.C. to Adelaide flight tickets

Qantas Airways

Feb 14

BWI3:22 pmBaltimore/Washington

28h 58m

2 stops

ADL11:50 amAdelaide

Mar 14

ADL12:00 pmAdelaide

25h 29m

2 stops

BWI10:59 pmBaltimore/Washington

$1,224

Find similar

Qantas Airways

Feb 14

BWI3:22 pmBaltimore/Washington

28h 03m

2 stops

ADL10:55 amAdelaide

Mar 14

ADL12:00 pmAdelaide

25h 29m

2 stops

BWI10:59 pmBaltimore/Washington

$1,225

Find similar

Qantas Airways

Mar 10

IAD5:37 pmWashington, D.C. Dulles Intl

27h 43m

2 stops

ADL11:50 amAdelaide

Mar 19

ADL9:00 amAdelaide

28h 23m

2 stops

IAD10:53 pmWashington, D.C. Dulles Intl

$1,267

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 2/14

3:22 pm-11:50 am

2 stops28h 58m

Adelaide

Sat 3/14

12:00 pm-10:59 pm

2 stops25h 29m

$1,224

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 2/14

3:22 pm-10:55 am

2 stops28h 03m

Adelaide

Sat 3/14

12:00 pm-10:59 pm

2 stops25h 29m

$1,225

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 3/10

5:37 pm-11:50 am

2 stops27h 43m

Adelaide

Thu 3/19

9:00 am-10:53 pm

2 stops28h 23m

$1,267

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 3/10

5:37 pm-6:15 pm

2 stops34h 08m

Adelaide

Thu 3/19

8:55 pm-10:53 pm

2 stops40h 28m

$1,272

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 1/15

9:59 am-10:55 am

2 stops33h 26m

Adelaide

Thu 1/22

7:50 am-8:00 pm

2 stops27h 40m

$1,276

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 2/14

8:42 am-9:30 am

1 stop33h 18m

Adelaide

Sat 3/14

1:55 pm-7:19 am

1 stop31h 54m

$1,311

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 1/17

4:10 pm-9:30 am

2 stops25h 50m

Adelaide

Sat 1/24

2:55 pm-7:07 am

1 stop31h 42m

$1,312

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 1/17

6:59 am-2:05 pm

3 stops39h 36m

Adelaide

Sat 1/24

7:45 pm-10:35 pm

3 stops42h 20m

$1,451

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 3/14

8:40 pm-1:55 pm

3 stops50h 45m

Adelaide

Wed 3/18

7:55 pm-10:35 pm

3 stops41h 10m

$1,549

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 3/14

8:40 pm-1:55 pm

3 stops50h 45m

Adelaide

Wed 3/18

7:55 pm-10:35 pm

3 stops41h 10m

$1,550

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How to get the cheapest flight ticket from Washington, D.C. 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

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Other information

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. 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. to Adelaide

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Adelaide (WAS to ADL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Adelaide

Fastest flight time	24h 01m
Direct flights	None

The fastest flight from Washington, D.C. to Adelaide takes 24h 01m

There are no direct flights from Washington, D.C. to Adelaide. There are no popular flight routes from Washington, D.C. to Adelaide.

Search flight deals

How far is Washington, D.C. to Adelaide by plane?
There are 10454.6 mi between Washington, D.C. and Adelaide. A reasonable flight in good conditions will take 23h 23m.
When did momondo last update prices for flights from Washington, D.C. to Adelaide Airport?
Prices for flights from Washington, D.C. to Adelaide Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Adelaide Airport?
The number of operators available for flights from Washington, D.C. to Adelaide Airport is 1 as of December 2025.
How old do you have to be to fly from Washington, D.C. 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. 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. to Adelaide?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Adelaide is Qantas Airways (40% of total bookings). The next most popular airlines are Fiji Airways (30%) and Air New Zealand (30%).

Best airlines flying from Washington, D.C. to Adelaide

Compare and see reviews for airlines that fly from Washington, D.C. to Adelaide with momondo

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $1,041	Free Cancellation	Rating 7.5 947 reviews		Search Qantas Airways flights

Glenelg

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Adelaide. momondo saves you time and could save you money on your trip.

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?

Price alerts on flights to Adelaide from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Washington, D.C. to Adelaide from $762

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Adelaide departing on 1/26. 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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Air Canada flights from Washington, D.C. to Adelaide

Our best Air Canada deals on Washington, D.C. to Adelaide flight tickets

Qantas Airways flights from Washington, D.C. to Adelaide

Our best Qantas Airways deals on Washington, D.C. to Adelaide flight tickets

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How to get the cheapest flight ticket from Washington, D.C. 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. to Adelaide?

Qantas Airways, United Airlines, and Cathay Pacific are the most popular carriers operating from Washington, D.C. to Adelaide

How long does it take to fly to Adelaide?

When to book flights from Washington, D.C. to Adelaide

Cheap Washington, D.C. to Adelaide (WAS to ADL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Adelaide

Fastest flight time

Direct flights

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

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

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

How old do you have to be to fly from Washington, D.C. 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. to Adelaide?

Best airlines flying from Washington, D.C. to Adelaide

Compare and see reviews for airlines that fly from Washington, D.C. 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