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

United Airlines, Air New Zealand, and Qatar Airways 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 32m on average. Another popular route from Washington, D.C. to Adelaide is flying from Washington, D.C. to Adelaide, which will take roughly 28h 15m. 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.

$1,181 Cheap Flights from Washington, D.C. to Adelaide in 2025/26

1 adult

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

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:35 - 18:45DCA-ADL

42h 40m2 stops

12:00 - 23:00ADL-DCA

26h 30m2 stops

$1,463Qantas Airways

Find Deal

Thu, 13 Nov - Mon, 17 Nov

12:59 - 09:25DCA-ADL

28h 56m2 stops

06:25 - 23:00ADL-DCA

32h 05m2 stops

$1,715Qantas Airways

Find Deal

Sun, 30 Nov - Sun, 7 Dec

20:40 - 16:10DCA-ADL

52h 00m3 stops

06:00 - 22:35ADL-DCA

31h 05m3 stops

$1,916Air Canada

Find Deal

Wed, 4 Mar - Tue, 24 Mar

18:28 - 09:30BWI-ADL

23h 32m1 stop

13:55 - 07:19ADL-BWI

31h 54m1 stop

$2,013United Airlines

Find Deal

Sat, 14 Feb - Sat, 14 Mar

08:30 - 09:30BWI-ADL

33h 30m1 stop

13:55 - 05:04ADL-BWI

29h 39m2 stops

$2,019United Airlines

Find Deal

Sat, 14 Feb - Sat, 14 Mar

09:00 - 19:00IAD-ADL

42h 30m3 stops

06:00 - 20:29ADL-IAD

28h 59m3 stops

$2,022Multiple Airlines

Find Deal

Wed, 4 Mar - Tue, 24 Mar

08:30 - 10:55BWI-ADL

34h 55m2 stops

06:05 - 16:52ADL-BWI

25h 17m2 stops

$2,462Air New Zealand

Find Deal

Wed, 4 Mar - Tue, 24 Mar

07:00 - 10:55DCA-ADL

36h 25m2 stops

06:25 - 21:30ADL-DCA

29h 35m2 stops

$2,479Air New Zealand

Find Deal

Wed, 4 Mar - Tue, 24 Mar

06:59 - 10:30DCA-ADL

36h 01m2 stops

12:00 - 18:57ADL-DCA

45h 27m3 stops

$2,647Multiple Airlines

Find Deal

Wed, 4 Mar - Tue, 24 Mar

12:40 - 19:10IAD-ADL

39h 00m3 stops

06:00 - 20:29ADL-IAD

28h 59m3 stops

$2,724Air Canada

Find Deal

Sat, 14 Feb - Sat, 14 Mar

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

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

Qatar Airways

12 Nov

IAD20:05Washington, D.C. Dulles Intl

29h 30m

1 stop

ADL17:05Adelaide

19 Nov

ADL17:05Adelaide

38h 20m

2 stops

IAD15:55Washington, D.C. Dulles Intl

$3,039

Find similar

Qatar Airways

21 Oct

IAD21:00Washington, D.C. Dulles Intl

44h 10m

2 stops

ADL07:40Adelaide

27 Oct

ADL22:00Adelaide

33h 25m

1 stop

IAD16:55Washington, D.C. Dulles Intl

$3,792

Find similar

Qatar Airways

21 Oct

IAD21:00Washington, D.C. Dulles Intl

44h 10m

2 stops

ADL07:40Adelaide

27 Oct

ADL22:00Adelaide

33h 25m

1 stop

IAD16:55Washington, D.C. Dulles Intl

$3,793

Find similar

United Airlines flights from Washington, D.C. to Adelaide

Our best United Airlines deals on Washington, D.C. to Adelaide flight tickets

United Airlines

14 Feb

BWI18:28Baltimore/Washington

23h 32m

1 stop

ADL09:30Adelaide

14 Mar

ADL13:55Adelaide

31h 54m

1 stop

BWI07:19Baltimore/Washington

$2,013

Find similar

United Airlines

14 Feb

BWI08:30Baltimore/Washington

33h 30m

1 stop

ADL09:30Adelaide

14 Mar

ADL13:55Adelaide

29h 39m

2 stops

BWI05:04Baltimore/Washington

$2,019

Find similar

United Airlines

14 Feb

BWI18:28Baltimore/Washington

23h 32m

1 stop

ADL09:30Adelaide

14 Mar

ADL13:55Adelaide

29h 39m

2 stops

BWI05:04Baltimore/Washington

$2,021

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 13/11

08:35-18:45

2 stops42h 40m

Adelaide

Mon 17/11

12:00-23:00

2 stops26h 30m

$1,463

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 30/11

12:59-09:25

2 stops28h 56m

Adelaide

Sun 7/12

06:25-23:00

2 stops32h 05m

$1,715

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 4/3

20:40-16:10

3 stops52h 00m

Adelaide

Tue 24/3

06:00-22:35

3 stops31h 05m

$1,916

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 14/2

18:28-09:30

1 stop23h 32m

Adelaide

Sat 14/3

13:55-07:19

1 stop31h 54m

$2,013

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 14/2

08:30-09:30

1 stop33h 30m

Adelaide

Sat 14/3

13:55-05:04

2 stops29h 39m

$2,019

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Wed 4/3

09:00-19:00

3 stops42h 30m

Adelaide

Tue 24/3

06:00-20:29

3 stops28h 59m

$2,022

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Wed 4/3

08:30-10:55

2 stops34h 55m

Adelaide

Tue 24/3

06:05-16:52

2 stops25h 17m

$2,462

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 4/3

07:00-10:55

2 stops36h 25m

Adelaide

Tue 24/3

06:25-21:30

2 stops29h 35m

$2,479

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 4/3

06:59-10:30

2 stops36h 01m

Adelaide

Tue 24/3

12:00-18:57

3 stops45h 27m

$2,647

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 14/2

12:40-19:10

3 stops39h 00m

Adelaide

Sat 14/3

06:00-20:29

3 stops28h 59m

$2,724

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 $2,993. 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 $3,548. 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 $3,051. Flights in the evening are often more expensive, with an average ticket price of $3,124.

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

Direct flights	None

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.

Glenelg

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.