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$1,108+ Cheap flights from Washington, D.C. (WAS) to Adelaide (ADL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ADL
May 21 — May 281
Thu 5/21
Thu 5/28
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Adelaide

Cheapest flights from Washington, D.C. to Adelaide
Explore the most affordable flight options available from Washington, D.C. to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.

This oojo deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:24 pm
IAD
-
ADL
2 stops26h 11m
Qantas Airways
Sat 7/46:00 am
ADL
-
IAD
2 stops26h 02m
Qantas Airways
Deal found 4/16$1,448
This Bravofly deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/315:16 pm
DCA
-
ADL
2 stops28h 19m
Qantas Airways
Sun 6/71:25 pm
ADL
-
DCA
2 stops43h 18m
Qantas Airways
Deal found 4/16$1,453
This FlightHub deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/203:25 pm
DCA
-
ADL
2 stops28h 30m
Qantas Airways
Sat 7/46:00 am
ADL
-
DCA
2 stops31h 29m
Qantas Airways
Deal found 4/16$1,484
This oojo deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/202:59 pm
BWI
-
ADL
2 stops28h 56m
Qantas Airways
Sat 7/46:00 am
ADL
-
BWI
2 stops31h 48m
Qantas Airways
Deal found 4/16$1,493
This oojo deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/31:53 pm
DCA
-
ADL
2 stops30h 02m
Qantas Airways
Wed 6/106:25 am
ADL
-
DCA
2 stops28h 35m
Qantas Airways
Deal found 4/19$1,495
This oojo deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/218:29 am
DCA
-
ADL
2 stops37h 06m
Qantas Airways
Thu 7/27:10 pm
ADL
-
DCA
2 stops37h 19m
Qantas Airways
Deal found 4/20$1,506
This oojo deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:55 pm
DCA
-
ADL
2 stops26h 40m
Qantas Airways
Thu 6/112:25 pm
ADL
-
DCA
2 stops44h 35m
Qantas Airways
Deal found 4/20$1,507
This oojo deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:24 pm
IAD
-
ADL
2 stops26h 11m
Qantas Airways
Thu 6/112:25 pm
ADL
-
IAD
2 stops41h 39m
Qantas Airways
Deal found 4/20$1,507
This oojo deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:24 pm
IAD
-
ADL
2 stops48h 31m
Qantas Airways
Thu 7/28:00 pm
ADL
-
IAD
2 stops36h 02m
Qantas Airways
Deal found 4/20$1,517
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:23 pm
BWI
-
ADL
2 stops25h 12m
United Airlines
Wed 6/106:05 am
ADL
-
BWI
2 stops25h 08m
United Airlines
Deal found 4/19$1,597
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:59 pm
BWI
-
ADL
2 stops26h 36m
United Airlines
Mon 9/148:00 pm
ADL
-
BWI
2 stops35h 20m
United Airlines
Deal found 4/17$1,604
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:59 pm
BWI
-
ADL
2 stops26h 41m
United Airlines
Sun 6/76:05 am
ADL
-
BWI
2 stops38h 35m
United Airlines
Deal found 4/16$1,612

Find flight deals from Washington, D.C. to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Adelaide (ADL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,448
(oojo)

One-way from

$1,108
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Adelaide flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Adelaide flights.
Search Deals
From Washington, D.C. (WAS) to Adelaide
Search Deals
One-way flight from Washington, D.C. (WAS) to Adelaide
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 21, 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

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sun 5/31

5:16 pm-11:05 am

2 stops28h 19m

Adelaide

Sun 6/7

1:25 pm-7:13 pm

2 stops43h 18m

$1,453

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 6/20

3:25 pm-9:25 am

2 stops28h 30m

Adelaide

Sat 7/4

6:00 am-11:59 pm

2 stops31h 29m

$1,484

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 6/3

1:53 pm-9:25 am

2 stops30h 02m

Adelaide

Wed 6/10

6:25 am-9:30 pm

2 stops28h 35m

$1,495

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Thu 6/4

7:24 pm-11:05 am

2 stops26h 11m

Adelaide

Thu 6/11

2:25 pm-6:34 pm

2 stops41h 39m

$1,507
Quickest round-trip

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Wed 6/3

7:23 pm-10:05 am

2 stops25h 12m

Adelaide

Wed 6/10

6:05 am-5:43 pm

2 stops25h 08m

$1,597

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sun 5/31

6:59 pm-11:10 am

2 stops26h 41m

Adelaide

Sun 6/7

6:05 am-7:10 am

2 stops38h 35m

$1,612

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 9/1

6:59 pm-11:05 am

2 stops26h 36m

Adelaide

Mon 9/14

8:00 pm-11:45 am

3 stops53h 15m

$1,624

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Thu 6/4

6:59 pm-11:05 am

2 stops26h 36m

Adelaide

Thu 6/11

8:00 pm-6:09 pm

2 stops35h 39m

$1,634

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Tue 9/1

10:20 pm-10:55 am

2 stops47h 05m

Adelaide

Mon 9/14

7:10 pm-4:20 pm

2 stops34h 40m

$1,680

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Sat 5/30

7:21 pm-10:55 am

2 stops26h 04m

Adelaide

Wed 6/3

4:30 pm-5:57 pm

2 stops38h 57m

$1,710

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Showing 1-10 of 27 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Washington, D.C. to Adelaide

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Adelaide in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Adelaide flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Adelaide flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Adelaide flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Adelaide flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Adelaide flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Adelaide
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Adelaide. Reviews last updated April 21, 2026.
Get a feel of what it's like to fly with Air New Zealand and United Airlines from Washington, D.C. to Adelaide by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very good
632 reviews

Boarding

8.2

Entertainment

7.4

Food

7.4

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air New Zealand
8.0
Very good
632 reviews
Air New Zealand
8.0
Very good
632 reviews

Boarding

8.2

Entertainment

7.4

Food

7.4

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
United Airlines
7.4
Good
9,610 reviews
Air New Zealand
8.0
Very good
632 reviews

Boarding

8.2

Entertainment

7.4

Food

7.4

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Adelaide from Washington, D.C.?

    If you book a flight to Adelaide from Washington, D.C., you will be flying to Adelaide, which is the city’s only airport. Adelaide (ADL) is located 4.1 mi from the center of Adelaide. There are 0 flights from Washington, D.C. to Adelaide per day from 1 airline.

  • How long is the flight from Washington, D.C. to Adelaide?

    A quick flight from Washington, D.C. to Adelaide can take about 25h 12m. Qantas Airways provides one of the quickest options available for as low as $1,597. The distance between Washington, D.C. and Adelaide is about 10479 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Washington, D.C. to Adelaide round-trip?

    Flying on Qantas Airways is currently your cheapest option to Adelaide, with prices starting at $1,167.

  • What are the most popular routes from Washington, D.C. to Adelaide?

    The most popular flight routes from Washington, D.C. to Adelaide are Washington, D.C. Dulles Intl - Adelaide, Baltimore/Washington - Adelaide and Washington, D.C. Reagan-National - Adelaide.

  • Can I find deals for flights from Washington, D.C. to Adelaide that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Adelaide flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Adelaide.

  • Can I find deals for business class flights from Washington, D.C. to Adelaide?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Adelaide?

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

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Top airline flying from Washington, D.C. to Adelaide

Discover the top airline that operate flights from Washington, D.C. to Adelaide. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,167Average$1,223FlexibilityNo cancel feeOn-time74%

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