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?

Flight times from Washington, D.C. to Adelaide vary, but if you’re flying out of Baltimore and flying into Adelaide (one of the most popular routes), then the duration is 23h 26m on average. Another popular route from Washington, D.C. to Adelaide is flying from Washington, D.C. to Adelaide, which will take roughly 25h 54m. Keep in mind that layovers or delays could extend your travel time.

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 are refreshed on a daily basis.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Adelaide Airport.

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

The travel and health documents you'll need for your trip to Adelaide Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Adelaide Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$1,077 Cheap Flights from Washington, D.C. to Adelaide in 2025/26

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

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

09:40 - 18:10DCA-ADL

41h 00m3 stops

06:00 - 19:59ADL-DCA

29h 29m3 stops

$1,831Air Canada

Find Deal

Tue, 17 Feb - Sat, 21 Feb

15:22 - 10:55BWI-ADL

28h 03m2 stops

12:00 - 22:59ADL-BWI

25h 29m2 stops

$1,869Qantas Airways

Find Deal

Sat, 14 Feb - Sat, 14 Mar

17:37 - 11:50IAD-ADL

27h 43m2 stops

09:00 - 22:53ADL-IAD

28h 23m2 stops

$1,887Qantas Airways

Find Deal

Tue, 10 Mar - Thu, 19 Mar

17:37 - 11:50IAD-ADL

27h 43m2 stops

09:00 - 22:53ADL-IAD

28h 23m2 stops

$1,935Qantas Airways

Find Deal

Tue, 10 Mar - Thu, 19 Mar

09:59 - 10:55DCA-ADL

33h 26m2 stops

07:50 - 20:00ADL-DCA

27h 40m2 stops

$1,948Multiple Airlines

Find Deal

Thu, 15 Jan - Thu, 22 Jan

18:25 - 09:30BWI-ADL

23h 35m1 stop

13:55 - 07:19ADL-BWI

31h 54m1 stop

$2,002United Airlines

Find Deal

Sat, 14 Feb - Sat, 14 Mar

08:42 - 09:30BWI-ADL

33h 18m1 stop

13:55 - 05:05ADL-BWI

29h 40m2 stops

$2,010United Airlines

Find Deal

Sat, 14 Feb - Sat, 14 Mar

17:32 - 18:00IAD-ADL

32h 58m2 stops

12:00 - 22:53ADL-IAD

25h 23m2 stops

$2,214Qantas Airways

Find Deal

Sat, 14 Feb - Sat, 14 Mar

16:59 - 13:40DCA-ADL

29h 11m2 stops

16:10 - 14:54ADL-DCA

38h 14m2 stops

$2,536American Airlines

Find Deal

Tue, 17 Feb - Sat, 21 Feb

16:59 - 09:50DCA-ADL

26h 21m2 stops

06:25 - 20:00ADL-DCA

28h 05m2 stops

$2,619American Airlines

Find Deal

Sat, 14 Mar - Wed, 18 Mar

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

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

Air New Zealand

9 Dec

BWI08:40Baltimore/Washington

34h 45m

2 stops

ADL10:55Adelaide

9 Jan

ADL06:00Adelaide

26h 56m

2 stops

BWI17:26Baltimore/Washington

$3,251

Find similar

Air New Zealand

15 Jan

IAD16:10Washington, D.C. Dulles Intl

32h 45m

2 stops

ADL16:25Adelaide

22 Jan

ADL06:25Adelaide

30h 24m

3 stops

IAD21:19Washington, D.C. Dulles Intl

$3,370

Find similar

Air New Zealand

24 Dec

IAD18:00Washington, D.C. Dulles Intl

45h 35m

2 stops

ADL07:05Adelaide

15 Jan

ADL11:55Adelaide

24h 24m

2 stops

IAD20:49Washington, D.C. Dulles Intl

$3,689

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

14 Feb

BWI15:22Baltimore/Washington

28h 03m

2 stops

ADL10:55Adelaide

14 Mar

ADL12:00Adelaide

25h 29m

2 stops

BWI22:59Baltimore/Washington

$1,869

Find similar

Qantas Airways

10 Mar

IAD17:37Washington, D.C. Dulles Intl

27h 43m

2 stops

ADL11:50Adelaide

19 Mar

ADL09:00Adelaide

28h 23m

2 stops

IAD22:53Washington, D.C. Dulles Intl

$1,887

Find similar

Qantas Airways

10 Mar

IAD17:37Washington, D.C. Dulles Intl

27h 43m

2 stops

ADL11:50Adelaide

19 Mar

ADL09:00Adelaide

28h 23m

2 stops

IAD22:53Washington, D.C. Dulles Intl

$1,935

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 17/2

09:40-18:10

3 stops41h 00m

Adelaide

Sat 21/2

06:00-19:59

3 stops29h 29m

$1,831

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 14/2

15:22-10:55

2 stops28h 03m

Adelaide

Sat 14/3

12:00-22:59

2 stops25h 29m

$1,869

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 10/3

17:37-11:50

2 stops27h 43m

Adelaide

Thu 19/3

09:00-22:53

2 stops28h 23m

$1,887

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 10/3

17:37-11:50

2 stops27h 43m

Adelaide

Thu 19/3

09:00-22:53

2 stops28h 23m

$1,935

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 15/1

09:59-10:55

2 stops33h 26m

Adelaide

Thu 22/1

07:50-20:00

2 stops27h 40m

$1,948

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 14/2

18:25-09:30

1 stop23h 35m

Adelaide

Sat 14/3

13:55-07:19

1 stop31h 54m

$2,002

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 14/2

08:42-09:30

1 stop33h 18m

Adelaide

Sat 14/3

13:55-05:05

2 stops29h 40m

$2,010

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 14/2

17:32-18:00

2 stops32h 58m

Adelaide

Sat 14/3

12:00-22:53

2 stops25h 23m

$2,214

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 17/2

16:59-13:40

2 stops29h 11m

Adelaide

Sat 21/2

16:10-14:54

2 stops38h 14m

$2,536

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 14/3

16:59-09:50

2 stops26h 21m

Adelaide

Wed 18/3

06:25-20:00

2 stops28h 05m

$2,619

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Airlines

Other information

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

According to our data, Saturday is the cheapest day to fly to Adelaide from Washington, D.C.. The lowest ticket price found for a Saturday departure recently was $2,976. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $3,528. These prices are subject to change though, so be sure to set up a Price Alert for flights to Adelaide.

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

The cheapest time of day to fly to Adelaide is in the afternoon when flights can be purchased for as low as $3,033. Flights in the evening are often more expensive, with an average ticket price of $3,106.

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 return 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	23h 26m
Direct flights	None

The fastest flight from Washington, D.C. to Adelaide takes 23h 26m

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 16825.0 km between Washington, D.C. and Adelaide. By plane, this route typically takes 23h 26m.
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 are refreshed on a daily basis.
How old do you have to be to fly from Washington, D.C. to Adelaide Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Adelaide Airport.
What documentation or ID do you need to fly to Adelaide Airport?
The travel and health documents you'll need for your trip to Adelaide Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Adelaide Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Adelaide for you.

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

Yes. momondo enables you to select and highlight flights to Adelaide from Washington, D.C. with this policy.

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

Once all potential Washington, D.C. to Adelaide flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.