Cheap flights from Washington, D.C. to Adelaide from $1,070

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 12/26. 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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Find the cheapest flights from Washington, D.C. to Adelaide

Cheap round-trip flights

 Logo
12:35 pm - 1:45 pmIAD-ADL
33h 40m3 stops
 Logo
6:00 am - 8:29 pmADL-IAD
29h 59m3 stops
$1,206
Find Deal
Wed, Nov 5 - Sun, Nov 9
Air New Zealand Logo
7:00 am - 10:55 amIAD-ADL
38h 25m2 stops
Air New Zealand Logo
11:55 am - 12:30 amADL-IAD
26h 05m2 stops
$1,236Air New Zealand
Find Deal
Mon, Sep 15 - Mon, Sep 22
Air Canada Logo
8:25 am - 6:10 pmIAD-ADL
44h 15m2 stops
Air Canada Logo
8:00 pm - 9:38 amADL-IAD
51h 08m3 stops
$1,243Air Canada
Find Deal
Tue, Sep 9 - Wed, Sep 24
Air Canada Logo
8:25 am - 1:55 pmIAD-ADL
40h 00m2 stops
Air Canada Logo
7:00 pm - 6:31 amADL-IAD
49h 01m2 stops
$1,350Air Canada
Find Deal
Mon, Sep 8 - Tue, Sep 23
Qantas Airways Logo
1:32 pm - 12:05 pmBWI-ADL
33h 03m2 stops
Qantas Airways Logo
6:00 am - 11:22 pmADL-BWI
30h 52m2 stops
$1,433Qantas Airways
Find Deal
Tue, Sep 9 - Wed, Sep 24
Qantas Airways Logo
5:30 pm - 2:15 pmDCA-ADL
31h 15m2 stops
Qantas Airways Logo
7:00 pm - 8:00 pmADL-DCA
40h 30m2 stops
$1,721Qantas Airways
Find Deal
Mon, Sep 29 - Tue, Nov 4
Qatar Airways Logo
9:00 pm - 3:50 pmIAD-ADL
29h 20m1 stop
Qatar Airways Logo
8:00 pm - 3:40 pmADL-IAD
57h 10m2 stops
$1,727Qatar Airways
Find Deal
Tue, Sep 9 - Wed, Sep 24
Qatar Airways Logo
9:00 pm - 3:50 pmIAD-ADL
29h 20m1 stop
Qatar Airways Logo
4:30 pm - 3:40 pmADL-IAD
36h 40m2 stops
$1,728Qatar Airways
Find Deal
Mon, Sep 8 - Tue, Sep 23
United Airlines Logo
7:00 pm - 11:05 amBWI-ADL
26h 35m2 stops
United Airlines Logo
6:05 am - 10:45 pmADL-BWI
30h 10m3 stops
$1,866United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
United Airlines Logo
8:55 am - 11:05 amBWI-ADL
36h 40m2 stops
United Airlines Logo
6:00 am - 5:31 pmADL-BWI
25h 01m2 stops
$1,872United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23

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

Our best American Airlines deals on Washington, D.C. to Adelaide flight tickets
American Airlines
Dec 9
DCA5:30 pmWashington, D.C. Reagan-National
28h 35m
2 stops
ADL1:35 pmAdelaide
Jan 9
ADL6:25 amAdelaide
25h 01m
2 stops
DCA3:56 pmWashington, D.C. Reagan-National
American Airlines
Dec 14
BWI12:57 pmBaltimore/Washington
30h 23m
3 stops
ADL10:50 amAdelaide
Jan 2
ADL6:25 amAdelaide
27h 15m
3 stops
BWI6:10 pmBaltimore/Washington
American Airlines
Dec 14
BWI3:24 pmBaltimore/Washington
30h 06m
3 stops
ADL1:00 pmAdelaide
Jan 2
ADL6:25 amAdelaide
27h 15m
3 stops
BWI6:10 pmBaltimore/Washington

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

Our best Qantas Airways deals on Washington, D.C. to Adelaide flight tickets
Qantas Airways
Sep 9
BWI1:32 pmBaltimore/Washington
33h 03m
2 stops
ADL12:05 pmAdelaide
Sep 24
ADL6:00 amAdelaide
30h 52m
2 stops
BWI11:22 pmBaltimore/Washington
Qantas Airways
Sep 29
DCA5:30 pmWashington, D.C. Reagan-National
31h 15m
2 stops
ADL2:15 pmAdelaide
Nov 4
ADL7:00 pmAdelaide
40h 30m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National
Qantas Airways
Dec 9
BWI3:24 pmBaltimore/Washington
35h 06m
2 stops
ADL6:00 pmAdelaide
Jan 9
ADL10:10 amAdelaide
27h 43m
2 stops
BWI10:23 pmBaltimore/Washington

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 August 4, 2025.
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

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Wed 11/5

12:35 pm-1:45 pm

3 stops33h 40m

Adelaide

Sun 11/9

6:00 am-8:29 pm

3 stops29h 59m

$1,206

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 9/15

7:00 am-10:55 am

2 stops38h 25m

Adelaide

Mon 9/22

11:55 am-12:30 am

2 stops26h 05m

$1,236

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 9/9

8:25 am-6:10 pm

2 stops44h 15m

Adelaide

Wed 9/24

8:00 pm-9:38 am

3 stops51h 08m

$1,243

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 9/8

8:25 am-1:55 pm

2 stops40h 00m

Adelaide

Tue 9/23

7:00 pm-6:31 am

2 stops49h 01m

$1,350

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 9/9

1:32 pm-12:05 pm

2 stops33h 03m

Adelaide

Wed 9/24

6:00 am-11:22 pm

2 stops30h 52m

$1,433

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 9/29

5:30 pm-2:15 pm

2 stops31h 15m

Adelaide

Tue 11/4

7:00 pm-8:00 pm

2 stops40h 30m

$1,721

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 9/9

9:00 pm-3:50 pm

1 stop29h 20m

Adelaide

Wed 9/24

8:00 pm-3:40 pm

2 stops57h 10m

$1,727

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Mon 9/8

9:00 pm-3:50 pm

1 stop29h 20m

Adelaide

Tue 9/23

4:30 pm-3:40 pm

2 stops36h 40m

$1,728

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 9/16

7:00 pm-11:05 am

2 stops26h 35m

Adelaide

Tue 9/23

6:05 am-10:45 pm

3 stops30h 10m

$1,866

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 9/16

8:55 am-11:05 am

2 stops36h 40m

Adelaide

Tue 9/23

6:00 am-5:31 pm

2 stops25h 01m

$1,872

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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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 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

Best Price Found

$1,070

Fastest flight time

26h 25m

Direct flights

None

Airports in Adelaide

1 airport
The best one-way flight to Adelaide from Washington, D.C. in the past 72 hours is $1,070. The best round-trip flight deal from Washington, D.C. to Adelaide found on momondo in the last 72 hours is $1,206.
The fastest flight from Washington, D.C. to Adelaide takes 26h 25m
There are no direct flights from Washington, D.C. to Adelaide. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Adelaide Airport, Baltimore/Washington Airport - Adelaide Airport and Washington, D.C. Reagan-National Airport - Adelaide Airport.
There is 1 airport near Adelaide: Adelaide (ADL)

  • 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 26h 25m.

  • 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 $1,041Free CancellationRating
7.5
887 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.


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Sat 8/9
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