Cheap flights from Washington, D.C. to Adelaide from $739

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 5/7. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
2:59 pm - 9:25 am
BWI
-
ADL
28h 56m
2 stops
Qantas Airways Logo
6:00 am - 11:44 pm
ADL
-
BWI
31h 14m
2 stops
$1,396Qantas Airways
Wed, Jun 10 - Wed, Jun 17
Qantas Airways Logo
2:59 pm - 11:55 am
BWI
-
ADL
31h 26m
2 stops
Qantas Airways Logo
6:25 am - 7:20 pm
ADL
-
BWI
26h 25m
2 stops
$1,408Qantas Airways
Tue, Jun 9 - Tue, Jun 16
United Airlines Logo
3:03 pm - 10:55 am
BWI
-
ADL
30h 22m
3 stops
United Airlines Logo
6:05 am - 5:57 pm
ADL
-
BWI
25h 22m
2 stops
$1,526United Airlines
Tue, Jun 9 - Tue, Jun 16
United Airlines Logo
6:59 pm - 11:10 am
BWI
-
ADL
26h 41m
2 stops
United Airlines Logo
8:00 pm - 5:43 pm
ADL
-
BWI
35h 13m
2 stops
$1,529United Airlines
Sun, Jun 7 - Sun, Jun 14
Air New Zealand Logo
10:10 pm - 10:55 am
IAD
-
ADL
46h 15m
2 stops
Air New Zealand Logo
1:25 pm - 10:27 pm
ADL
-
IAD
47h 32m
2 stops
$1,698Air New Zealand
Sat, Oct 17 - Sat, Oct 31
Air New Zealand Logo
6:59 pm - 11:05 am
BWI
-
ADL
26h 36m
2 stops
Air New Zealand Logo
6:00 am - 7:10 am
ADL
-
BWI
38h 40m
2 stops
$1,708Air New Zealand
Mon, Jun 1 - Tue, Jun 30
Multiple Airlines Logo
4:00 pm - 11:55 am
IAD
-
ADL
29h 25m
3 stops
Multiple Airlines Logo
6:00 am - 8:26 pm
ADL
-
IAD
28h 56m
3 stops
$2,046Multiple Airlines
Sat, Oct 17 - Sat, Oct 31
Multiple Airlines Logo
6:59 am - 11:50 am
DCA
-
ADL
39h 21m
3 stops
Multiple Airlines Logo
5:10 pm - 7:58 pm
ADL
-
DCA
40h 18m
3 stops
$2,076Multiple Airlines
Sun, Jun 7 - Sun, Jun 14
Qatar Airways Logo
9:00 pm - 8:05 am
IAD
-
ADL
44h 35m
2 stops
Qatar Airways Logo
10:00 pm - 4:55 pm
ADL
-
IAD
33h 25m
1 stop
$2,138Qatar Airways
Sat, Oct 17 - Sat, Oct 31
Qatar Airways Logo
9:00 pm - 4:50 pm
IAD
-
ADL
29h 20m
1 stop
Qatar Airways Logo
10:00 pm - 4:55 pm
ADL
-
IAD
33h 25m
1 stop
$2,186Qatar Airways
Sat, Oct 17 - Sat, Oct 31

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

Our best Qatar Airways deals on Washington, D.C. to Adelaide flight tickets
Qatar Airways
Oct 17
IAD9:00 pmWashington, D.C. Dulles Intl
44h 35m
2 stops
ADL8:05 amAdelaide
Oct 31
ADL10:00 pmAdelaide
33h 25m
1 stop
IAD4:55 pmWashington, D.C. Dulles Intl
$2,138
Qatar Airways
Oct 17
IAD9:00 pmWashington, D.C. Dulles Intl
29h 20m
1 stop
ADL4:50 pmAdelaide
Oct 31
ADL10:00 pmAdelaide
33h 25m
1 stop
IAD4:55 pmWashington, D.C. Dulles Intl
$2,186
Qatar Airways
Sep 17
IAD9:00 pmWashington, D.C. Dulles Intl
29h 20m
1 stop
ADL3:50 pmAdelaide
Sep 21
ADL9:45 pmAdelaide
55h 25m
2 stops
IAD3:40 pmWashington, D.C. Dulles Intl
$2,259

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

Our best Air Canada deals on Washington, D.C. to Adelaide flight tickets
Air Canada
Jun 9
IAD4:05 pmWashington, D.C. Dulles Intl
30h 15m
3 stops
ADL11:50 amAdelaide
Jun 16
ADL8:00 pmAdelaide
38h 56m
3 stops
IAD9:26 pmWashington, D.C. Dulles Intl
$2,159
Air Canada
Jun 1
IAD4:05 pmWashington, D.C. Dulles Intl
30h 15m
3 stops
ADL11:50 amAdelaide
Jun 30
ADL8:00 pmAdelaide
47h 52m
2 stops
IAD6:22 amWashington, D.C. Dulles Intl
$2,246
Air Canada
Sep 17
IAD10:36 pmWashington, D.C. Dulles Intl
49h 49m
3 stops
ADL1:55 pmAdelaide
Sep 21
ADL8:00 pmAdelaide
37h 55m
3 stops
IAD8:25 pmWashington, D.C. Dulles Intl
$2,276

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 April 28, 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

Cheapest round-trip

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Wed 6/10

2:59 pm-9:25 am

2 stops28h 56m

Adelaide

Wed 6/17

6:00 am-11:44 pm

2 stops31h 14m

$1,396

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 6/9

2:59 pm-11:55 am

2 stops31h 26m

Adelaide

Tue 6/16

6:25 am-7:20 pm

2 stops26h 25m

$1,408
Quickest round-trip

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 6/9

3:03 pm-10:55 am

3 stops30h 22m

Adelaide

Tue 6/16

6:05 am-5:57 pm

2 stops25h 22m

$1,526

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sun 6/7

6:59 pm-11:10 am

2 stops26h 41m

Adelaide

Sun 6/14

8:00 pm-5:43 pm

2 stops35h 13m

$1,529

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 10/17

10:10 pm-10:55 am

2 stops46h 15m

Adelaide

Sat 10/31

1:25 pm-10:27 pm

2 stops47h 32m

$1,698

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 6/1

6:59 pm-11:05 am

2 stops26h 36m

Adelaide

Tue 6/30

6:00 am-7:10 am

2 stops38h 40m

$1,708

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 10/17

4:00 pm-11:55 am

3 stops29h 25m

Adelaide

Sat 10/31

6:00 am-8:26 pm

3 stops28h 56m

$2,046

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 6/7

6:59 am-11:50 am

3 stops39h 21m

Adelaide

Sun 6/14

5:10 pm-7:58 pm

3 stops40h 18m

$2,076

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 10/17

9:00 pm-8:05 am

2 stops44h 35m

Adelaide

Sat 10/31

10:00 pm-4:55 pm

1 stop33h 25m

$2,138

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sat 10/17

9:00 pm-4:50 pm

1 stop29h 20m

Adelaide

Sat 10/31

10:00 pm-4:55 pm

1 stop33h 25m

$2,186

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 airline that flies from Washington, D.C. to Adelaide?

United Airlines, Qantas Airways, and Air New Zealand 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

26h 11m

Direct flights

None
The fastest flight from Washington, D.C. to Adelaide takes 26h 11m
There are no direct flights from Washington, D.C. to Adelaide. There are no popular flight routes from Washington, D.C. to Adelaide.

Frequently asked questions about flying from Washington, D.C. to Adelaide

  • 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 11m.

  • 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 $1,167Free CancellationRating
7.5
1,028 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.

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1 adult
Thu 5/28
Thu 6/4

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