$936 Cheap Flights from Adelaide (ADL) to Washington (DCA)

View $936 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Adelaide, SA Airport (ADL) to Ronald Reagan Washington National Airport (DCA)

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Cheap Flights from Adelaide to Washington (ADL-DCA)

Prices were available within the past 7 days and start at $936 for one-way flights and $1,195 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qantas Airways
Sun, Nov 16 - Tue, Dec 9
ADL
Adelaide
DCA
Washington
$1,195 Roundtrip, found 5 days ago
$1,195
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Sun, Nov 16 from Adelaide to Washington, returning Tue, Dec 9, priced at $1,195 found 5 days ago
Qantas Airways
Sun, Nov 16 - Tue, Dec 9
ADL
Adelaide
DCA
Washington
$1,197 Roundtrip, found 5 days ago
$1,197
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Sun, Nov 16 from Adelaide to Washington, returning Tue, Dec 9, priced at $1,197 found 5 days ago
Jetstar
Sun, Nov 16 - Tue, Dec 9
ADL
Adelaide
DCA
Washington
$1,212 Roundtrip, found 5 days ago
$1,212
Roundtrip
found 5 days ago
Select Jetstar flight, departing Sun, Nov 16 from Adelaide to Washington, returning Tue, Dec 9, priced at $1,212 found 5 days ago
Jetstar
Sun, Nov 16 - Tue, Dec 9
ADL
Adelaide
DCA
Washington
$1,213 Roundtrip, found 5 days ago
$1,213
Roundtrip
found 5 days ago
Select Jetstar flight, departing Sun, Nov 16 from Adelaide to Washington, returning Tue, Dec 9, priced at $1,213 found 5 days ago
Qantas Airways
Sun, Nov 16 - Tue, Dec 9
ADL
Adelaide
DCA
Washington
$1,238 Roundtrip, found 5 days ago
$1,238
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Sun, Nov 16 from Adelaide to Washington, returning Tue, Dec 9, priced at $1,238 found 5 days ago
Qantas Airways
Sun, Nov 16 - Tue, Dec 9
ADL
Adelaide
DCA
Washington
$1,240 Roundtrip, found 5 days ago
$1,240
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Sun, Nov 16 from Adelaide to Washington, returning Tue, Dec 9, priced at $1,240 found 5 days ago
Qantas Airways
Sun, Nov 16 - Tue, Dec 9
ADL
Adelaide
DCA
Washington
$1,246 Roundtrip, found 5 days ago
$1,246
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Sun, Nov 16 from Adelaide to Washington, returning Tue, Dec 9, priced at $1,246 found 5 days ago
American Airlines
Sun, Nov 16 - Tue, Dec 9
ADL
Adelaide
DCA
Washington
$1,281 Roundtrip, found 5 days ago
$1,281
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Nov 16 from Adelaide to Washington, returning Tue, Dec 9, priced at $1,281 found 5 days ago
Emirates
Sun, Nov 16 - Tue, Dec 9
ADL
Adelaide
DCA
Washington
$2,987 Roundtrip, found 5 days ago
$2,987
Roundtrip
found 5 days ago
Select Emirates flight, departing Sun, Nov 16 from Adelaide to Washington, returning Tue, Dec 9, priced at $2,987 found 5 days ago
United
Sat, Dec 20 - Sun, Dec 21
ADL
Adelaide
DCA
Washington
$3,325 Roundtrip, found 1 day ago
$3,325
Roundtrip
found 1 day ago
Select United flight, departing Sat, Dec 20 from Adelaide to Washington, returning Sun, Dec 21, priced at $3,325 found 1 day ago

Frequently asked questions

How much does a flight from Adelaide Airport (ADL) to Ronald Reagan Washington National Airport (DCA) cost?
Lock in a cheap one-way flight from $936 or cheap return flight from $1,195 from Adelaide Airport (ADL) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Adelaide Airport (ADL) to Ronald Reagan Washington National Airport (DCA)?
November is the least expensive month to fly from ADL to DCA. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Adelaide Airport (ADL) to Ronald Reagan Washington National Airport (DCA)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from ADL to DCA. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Adelaide Airport (ADL) to Ronald Reagan Washington National Airport (DCA)?
Nonstop flights from Adelaide Airport (ADL) to Ronald Reagan Washington National Airport (DCA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ADL to DCA?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Adelaide Airport (ADL) to Ronald Reagan Washington National Airport (DCA)?
Book a flight from Adelaide Airport (ADL) to Ronald Reagan Washington National Airport (DCA) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Adelaide Airport (ADL) to Ronald Reagan Washington National Airport (DCA) last-minute?
Holding off until right before your break to book a ticket from ADL to DCA often results in higher prices. While you may come across some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule for the best chance of getting a bargain.
Is it cheaper to book an ADL to DCA flight and hotel package?
Booking an ADL to DCA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our impressive range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Adelaide Airport (ADL) to Ronald Reagan Washington National Airport (DCA)?
In most instances, you can cancel or reschedule your ADL to DCA flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want more information, head to our Customer Service portal.

Travel information

Origin airport
Adelaide
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, United
Roundtrip price
$1,195
Distance
10464 mi

Book with confidence

Adelaide to Washington Flights

The cheapest times to fly from Adelaide to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Adelaide to Washington are during the month of November. You can find some of the cheapest flights from Adelaide to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Adelaide to Washington

Sunday is one of the best days to book for cheap flights from Adelaide to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Adelaide to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Adelaide to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $936 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Adelaide to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Adelaide to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Adelaide to Washington Flights

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