Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. to Adelaide from $1,012

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 5/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
11:00 am - 1:55 pm
DCA
-
ADL
37h 25m
3 stops
Air Canada Logo
4:30 pm - 10:28 pm
ADL
-
DCA
43h 28m
3 stops
$1,207Air Canada
Fri, May 1 - Mon, May 4
United Airlines Logo
12:25 pm - 9:30 am
BWI
-
ADL
29h 35m
2 stops
United Airlines Logo
1:55 pm - 7:19 am
ADL
-
BWI
31h 54m
1 stop
$1,215United Airlines
Mon, Feb 9 - Mon, Mar 9
United Airlines Logo
4:10 pm - 9:30 am
IAD
-
ADL
25h 50m
1 stop
United Airlines Logo
1:55 pm - 5:36 am
ADL
-
IAD
30h 11m
1 stop
$1,215United Airlines
Mon, Feb 16 - Mon, Mar 16
Qantas Airways Logo
1:34 pm - 9:25 am
DCA
-
ADL
28h 21m
2 stops
Qantas Airways Logo
12:00 pm - 8:57 pm
ADL
-
DCA
24h 27m
2 stops
$1,216Qantas Airways
Wed, Feb 4 - Wed, Mar 4
United Airlines Logo
12:25 pm - 9:30 am
BWI
-
ADL
29h 35m
2 stops
United Airlines Logo
1:55 pm - 5:05 am
ADL
-
BWI
29h 40m
2 stops
$1,219United Airlines
Mon, Feb 9 - Mon, Mar 9
Multiple Airlines Logo
12:40 pm - 6:55 pm
IAD
-
ADL
40h 45m
3 stops
Multiple Airlines Logo
7:35 pm - 11:23 am
ADL
-
IAD
53h 18m
3 stops
$1,222Multiple Airlines
Wed, Apr 8 - Sun, Apr 19
Multiple Airlines Logo
11:00 am - 1:55 pm
DCA
-
ADL
37h 25m
2 stops
Multiple Airlines Logo
8:00 pm - 10:28 pm
ADL
-
DCA
39h 58m
2 stops
$1,225Multiple Airlines
Mon, May 11 - Sun, May 17
Air New Zealand Logo
5:59 pm - 9:30 am
DCA
-
ADL
24h 01m
1 stop
Air New Zealand Logo
1:55 pm - 9:45 pm
ADL
-
DCA
22h 20m
1 stop
$1,227Air New Zealand
Mon, Feb 9 - Mon, Mar 9
Air New Zealand Logo
6:15 pm - 9:30 am
IAD
-
ADL
23h 45m
1 stop
Air New Zealand Logo
1:55 pm - 6:56 am
ADL
-
IAD
31h 31m
1 stop
$1,227Air New Zealand
Mon, Feb 9 - Mon, Mar 9
Qantas Airways Logo
1:34 pm - 9:55 am
DCA
-
ADL
28h 51m
2 stops
Qantas Airways Logo
6:35 am - 11:00 pm
ADL
-
DCA
30h 55m
2 stops
$1,240Qantas Airways
Mon, Feb 9 - Mon, Mar 9

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
Feb 9
DCA5:59 pmWashington, D.C. Reagan-National
24h 01m
1 stop
ADL9:30 amAdelaide
Mar 9
ADL1:55 pmAdelaide
22h 20m
1 stop
DCA9:45 pmWashington, D.C. Reagan-National
$1,227
Air New Zealand
Mar 8
BWI5:04 pmBaltimore/Washington
31h 51m
3 stops
ADL3:25 pmAdelaide
Mar 15
ADL8:55 pmAdelaide
34h 58m
2 stops
BWI5:23 pmBaltimore/Washington
$1,954
Air New Zealand
Mar 6
BWI6:13 amBaltimore/Washington
39h 57m
3 stops
ADL1:40 pmAdelaide
Mar 13
ADL6:00 amAdelaide
31h 00m
3 stops
BWI10:30 pmBaltimore/Washington
$2,158

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

Our best United Airlines deals on Washington, D.C. to Adelaide flight tickets
United Airlines
Feb 9
BWI12:25 pmBaltimore/Washington
29h 35m
2 stops
ADL9:30 amAdelaide
Mar 9
ADL1:55 pmAdelaide
31h 54m
1 stop
BWI7:19 amBaltimore/Washington
$1,215
United Airlines
Feb 9
BWI12:25 pmBaltimore/Washington
29h 35m
2 stops
ADL9:30 amAdelaide
Mar 9
ADL1:55 pmAdelaide
29h 40m
2 stops
BWI5:05 amBaltimore/Washington
$1,219
United Airlines
Feb 19
IAD2:36 pmWashington, D.C. Dulles Intl
27h 24m
1 stop
ADL9:30 amAdelaide
Mar 18
ADL1:55 pmAdelaide
21h 24m
1 stop
IAD8:49 pmWashington, D.C. Dulles Intl
$1,265

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Adelaide that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 22, 2026.
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

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 5/1

11:00 am-1:55 pm

3 stops37h 25m

Adelaide

Mon 5/4

4:30 pm-10:28 pm

3 stops43h 28m

$1,207

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 2/9

12:25 pm-9:30 am

2 stops29h 35m

Adelaide

Mon 3/9

1:55 pm-7:19 am

1 stop31h 54m

$1,215

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 2/16

4:10 pm-9:30 am

1 stop25h 50m

Adelaide

Mon 3/16

1:55 pm-5:36 am

1 stop30h 11m

$1,215

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 2/4

1:34 pm-9:25 am

2 stops28h 21m

Adelaide

Wed 3/4

12:00 pm-8:57 pm

2 stops24h 27m

$1,216

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 2/9

12:25 pm-9:30 am

2 stops29h 35m

Adelaide

Mon 3/9

1:55 pm-5:05 am

2 stops29h 40m

$1,219

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Wed 4/8

12:40 pm-6:55 pm

3 stops40h 45m

Adelaide

Sun 4/19

7:35 pm-11:23 am

3 stops53h 18m

$1,222

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 5/11

11:00 am-1:55 pm

2 stops37h 25m

Adelaide

Sun 5/17

8:00 pm-10:28 pm

2 stops39h 58m

$1,225

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 2/9

5:59 pm-9:30 am

1 stop24h 01m

Adelaide

Mon 3/9

1:55 pm-9:45 pm

1 stop22h 20m

$1,227

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 2/9

6:15 pm-9:30 am

1 stop23h 45m

Adelaide

Mon 3/9

1:55 pm-6:56 am

1 stop31h 31m

$1,227

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 2/9

1:34 pm-9:55 am

2 stops28h 51m

Adelaide

Mon 3/9

6:35 am-11:00 pm

2 stops30h 55m

$1,240

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

See travel insights to Adelaide from

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 airline that flies from Washington, D.C. to Adelaide?

Qantas Airways, Air New Zealand, and Air Canada are the most popular carriers operating from Washington, D.C. to Adelaide

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

23h 34m

Direct flights

None
The fastest flight from Washington, D.C. to Adelaide takes 23h 34m
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 34m.

  • 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?

  • 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?

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 AirwaysPriceFrom $587Free CancellationRating
7.5
973 reviews
Search Qantas Airways flights

Traveling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

Why use momondo?

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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/21
Sat 2/28
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia