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$892+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ADL
Jun 22 — Jun 291
Mon 6/22
Mon 6/29
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 May 23, 2026.

This Qantas Airways deal was found by Cheapflights users on 5/20. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/63:00 pm
BWI
-
ADL
2 stops28h 55m
Qantas Airways
Wed 7/157:50 am
ADL
-
BWI
2 stops29h 23m
Qantas Airways
Deal found 5/20$1,366
This Qantas Airways deal was found by Cheapflights users on 5/20. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/63:00 pm
BWI
-
ADL
2 stops37h 15m
Qantas Airways
Tue 7/142:20 pm
ADL
-
BWI
2 stops46h 53m
Qantas Airways
Deal found 5/20$1,373
This Qantas Airways deal was found by Cheapflights users on 5/20. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:11 pm
BWI
-
ADL
2 stops59h 14m
Qantas Airways
Wed 7/157:50 am
ADL
-
BWI
2 stops29h 23m
Qantas Airways
Deal found 5/20$1,375
This Qantas Airways deal was found by Cheapflights users on 5/20. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:11 pm
BWI
-
ADL
2 stops49h 39m
Qantas Airways
Tue 7/142:20 pm
ADL
-
BWI
2 stops46h 53m
Qantas Airways
Deal found 5/20$1,382
This Ovago deal was found by Cheapflights users on 5/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:21 pm
BWI
-
ADL
2 stops26h 39m
Multiple Airlines
Wed 7/156:05 am
ADL
-
BWI
2 stops25h 22m
Multiple Airlines
Deal found 5/20$1,507
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Mon 7/66:59 pm
BWI
-
ADL
2 stops26h 36m
United Airlines
Mon 7/136:40 am
ADL
-
BWI
2 stops24h 47m
United Airlines
Deal found 5/21$1,520
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:21 pm
BWI
-
ADL
2 stops25h 14m
United Airlines
Mon 7/136:40 am
ADL
-
BWI
2 stops24h 47m
United Airlines
Deal found 5/20$1,521
This United Airlines deal was found by Cheapflights users on 5/21. 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 7/153:03 pm
BWI
-
ADL
3 stops30h 32m
United Airlines
Mon 9/78:00 pm
ADL
-
BWI
2 stops34h 05m
United Airlines
Deal found 5/21$1,527
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:21 pm
BWI
-
ADL
2 stops26h 04m
United Airlines
Mon 7/136:40 am
ADL
-
BWI
2 stops24h 47m
United Airlines
Deal found 5/20$1,528
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:38 am
BWI
-
ADL
2 stops38h 57m
United Airlines
Wed 7/156:05 am
ADL
-
BWI
2 stops25h 22m
United Airlines
Deal found 5/20$1,534
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/83:03 pm
BWI
-
ADL
3 stops29h 32m
United Airlines
Sun 7/126:05 am
ADL
-
BWI
3 stops43h 12m
United Airlines
Deal found 5/20$1,540
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:21 pm
BWI
-
ADL
2 stops26h 04m
United Airlines
Tue 7/146:05 am
ADL
-
BWI
3 stops43h 12m
United Airlines
Deal found 5/20$1,547

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 May 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,366
(Qantas Airways)

One-way from

$892
(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 May 23, 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 7/15

3:03 pm-11:05 am

3 stops30h 32m

Adelaide

Wed 9/9

6:05 am-4:35 pm

2 stops24h 00m

$1,520

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 7/6

6:59 pm-11:05 am

2 stops26h 36m

Adelaide

Mon 7/13

6:40 am-5:57 pm

2 stops24h 47m

$1,520

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Wed 7/15

7:23 pm-11:05 am

2 stops26h 12m

Adelaide

Mon 9/7

6:00 am-5:40 pm

2 stops25h 10m

$1,527

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Tue 7/7

6:38 am-11:05 am

2 stops38h 57m

Adelaide

Tue 7/14

6:05 am-5:57 pm

2 stops25h 22m

$1,534
Quickest round-trip

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 6/8

7:21 pm-10:05 am

2 stops25h 14m

Adelaide

Fri 7/17

6:05 am-5:50 pm

2 stops25h 15m

$1,571

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 6/8

7:21 pm-10:05 am

2 stops25h 14m

Adelaide

Sat 7/18

6:05 am-5:57 pm

2 stops25h 22m

$1,571

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Wed 7/15

7:23 pm-11:05 am

2 stops26h 12m

Adelaide

Thu 9/3

8:00 pm-5:40 pm

2 stops35h 10m

$1,578

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Thu 6/11

7:21 pm-10:55 am

2 stops26h 04m

Adelaide

Sun 7/12

6:05 am-11:47 am

3 stops43h 12m

$1,597

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Fri 6/12

7:21 pm-10:55 am

2 stops26h 04m

Adelaide

Sat 7/18

6:05 am-5:57 pm

2 stops25h 22m

$1,628

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Mon 7/13

3:03 pm-10:05 am

3 stops29h 32m

Adelaide

Sat 8/29

6:00 am-11:45 am

3 stops43h 15m

$1,758

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 42 resultsSorted by cheapest first
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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 May.
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 May 23, 2026.
Get a feel of what it's like to fly with 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.
United Airlines
7.4
Good
9,751 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,751 reviews
United Airlines
7.4
Good
9,751 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 26h 36m. Qantas Airways provides one of the quickest options available for as low as $1,520. 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 Baltimore/Washington - Adelaide, Washington, D.C. Reagan-National - Adelaide and Washington, D.C. Dulles Intl - 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 May 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,167Average$1,223FlexibilityNo cancel feeOn-time74%

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