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$705+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ADL
ago. 6 — ago. 131
mié. 8/6
mié. 8/13
1 adult, Economy
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Cheap 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 agosto 1, 2025.

Round-trip from

$1,350
(Air Canada)

One-way from

$706
(Kiwi.com)

Popular in

October

Cheapest in

March
From Washington, D.C. (WAS) to Adelaide
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One-way flight from Washington, D.C. (WAS) to Adelaide
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Highest demand for flights based on searches. 25% potential increase in price ($640 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($143 potential savings vs. average RT price).
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Find 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 agosto 1, 2025.

This Air Canada deal was found by Cheapflights users on 7/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/512:35 pmIAD - ADL
3 stops36h 15mMultiple Airlines
dom. 11/96:00 amADL - IAD
3 stops29h 59mMultiple Airlines
Deal found 7/31$1,207
This oojo deal was found by Cheapflights users on 8/1. 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.
lun. 9/157:00 amIAD - ADL
2 stops38h 25mAir New Zealand
lun. 9/2211:55 amADL - IAD
2 stops26h 05mAir New Zealand
Deal found 8/1$1,236
This Air Canada deal was found by Cheapflights users on 8/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/98:25 amIAD - ADL
2 stops44h 15mAir Canada
mié. 9/248:00 pmADL - IAD
3 stops51h 08mAir Canada
Deal found 8/1$1,243
This oojo deal was found by Cheapflights users on 8/1. 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.
mar. 9/91:32 pmBWI - ADL
2 stops33h 03mQantas Airways
mié. 9/246:00 amADL - BWI
2 stops30h 52mQantas Airways
Deal found 8/1$1,427
This oojo deal was found by Cheapflights users on 7/30. 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.
lun. 9/297:28 pmBWI - ADL
2 stops26h 37mAir New Zealand
mar. 11/411:55 amADL - BWI
2 stops45h 32mAir New Zealand
Deal found 7/30$1,464
This Ovago deal was found by Cheapflights users on 8/1. 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.
sáb. 8/97:31 pmDCA - ADL
2 stops26h 34mFiji Airways
sáb. 8/1612:35 pmADL - DCA
2 stops23h 54mFiji Airways
Deal found 8/1$1,536
This United Airlines deal was found by Cheapflights users on 7/31. 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.
dom. 9/147:00 pmBWI - ADL
2 stops26h 35mUnited Airlines
dom. 9/216:05 amADL - BWI
3 stops30h 10mUnited Airlines
Deal found 7/31$1,597
This Air Canada deal was found by Cheapflights users on 7/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/146:59 amDCA - ADL
3 stops39h 21mAir Canada
dom. 9/218:00 pmADL - DCA
3 stops40h 04mAir Canada
Deal found 7/31$1,670
This FlightHub deal was found by Cheapflights users on 7/31. 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.
lun. 9/89:00 pmIAD - ADL
1 stop29h 20mQatar Airways
mar. 9/234:30 pmADL - IAD
2 stops36h 40mQatar Airways
Deal found 7/31$1,728
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/311:00 amDCA - ADL
3 stops36h 25mMultiple Airlines
vie. 10/178:10 pmADL - DCA
3 stops38h 04mMultiple Airlines
Deal found 7/30$1,775
This oojo deal was found by Cheapflights users on 7/30. 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.
vie. 10/35:40 pmIAD - ADL
2 stops26h 10mQantas Airways
vie. 10/1712:15 pmADL - IAD
2 stops25h 06mQantas Airways
Deal found 7/30$1,789
This oojo deal was found by Cheapflights users on 8/1. 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.
mar. 9/97:59 pmDCA - ADL
2 stops49h 26mAir New Zealand
mié. 9/2411:55 amADL - DCA
2 stops23h 44mAir New Zealand
Deal found 8/1$1,800

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 agosto 1, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Adelaide that are best for you.

Fly from

Washington, D.C.

Fly to

Adelaide

Route

Depart

Return

Price

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

mié. 11/5

12:35 pm-4:20 pm

3 stops36h 15m

Adelaide

dom. 11/9

6:00 am-8:29 pm

3 stops29h 59m

$1,207

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

lun. 9/15

7:00 am-10:55 am

2 stops38h 25m

Adelaide

lun. 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

mar. 9/9

8:25 am-6:10 pm

2 stops44h 15m

Adelaide

mié. 9/24

8:00 pm-9:38 am

3 stops51h 08m

$1,243

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

mar. 9/9

1:32 pm-12:05 pm

2 stops33h 03m

Adelaide

mié. 9/24

6:00 am-11:22 pm

2 stops30h 52m

$1,427

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

lun. 9/29

7:28 pm-11:35 am

2 stops26h 37m

Adelaide

mar. 11/4

11:55 am-5:57 pm

2 stops45h 32m

$1,464

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

sáb. 9/13

7:35 pm-11:35 am

2 stops26h 30m

Adelaide

sáb. 9/20

12:35 pm-11:00 pm

2 stops23h 55m

$1,558

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

dom. 9/14

7:00 pm-11:05 am

2 stops26h 35m

Adelaide

dom. 9/21

6:05 am-10:45 pm

3 stops30h 10m

$1,597

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

dom. 9/14

6:59 am-11:50 am

3 stops39h 21m

Adelaide

dom. 9/21

8:00 pm-10:34 pm

3 stops40h 04m

$1,670

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

lun. 9/8

9:00 pm-3:50 pm

1 stop29h 20m

Adelaide

mar. 9/23

4:30 pm-3:40 pm

2 stops36h 40m

$1,728

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

vie. 10/3

11:00 am-12:55 pm

3 stops36h 25m

Adelaide

vie. 10/17

8:10 pm-7:44 pm

3 stops38h 04m

$1,775

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 36 results
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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

What is the cheapest time of day to fly from WAS to ADL?

Find hourly flight availability from Washington, D.C. to Adelaide. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 1, 2025.

When flying from Washington, D.C. to Adelaide, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 39% versus a flight at noon.

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 agosto 1, 2025.
Get a feel of what it's like to fly with Singapore Airlines, Fiji Airways, and Air New Zealand 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.
Singapore Airlines
8.1
Very good
1,338 reviews

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8.1
Very good
1,338 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Fiji Airways
8.0
Very good
202 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Air New Zealand
8.0
Very good
501 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Qantas Airways
7.5
Good
887 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Qatar Airways
7.4
Good
3,609 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

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.

  • What are the cheapest airlines flying from Washington, D.C. to Adelaide round-trip?

    Flying on Air Canada is currently your cheapest option to Adelaide, with prices starting at $1,350. Additional round-trip tickets that might be worth considering are offered by Qantas Airways and Air New Zealand, with the lowest prices starting at $1,428 and $1,450, respectively. Users have found that Air Canada is 29% cheaper than the other options available to this destination.

  • 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.

  • What is the cheapest month to book a flight from Washington, D.C. to Adelaide?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Adelaide (average of $1,214). Flying from Washington, D.C. to Adelaide in December is currently the most expensive (average of $2,057). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 agosto 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,041Average$1,469FlexibilityNo cancel feeOn-time74%

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