DCA - ADL

$991 Find cheap flights from Washington, D.C. to Adelaide

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Reagan-National to Adelaide departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Search hundreds of travel sites at once for deals on flights to Adelaide

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Adelaide, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Adelaide, as well as popular online travel agencies
In the last 7 days, travellers have searched 46,646,933 times on KAYAK, and here's why:

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Cheap flight deals from Washington, D.C. to Adelaide (DCA-ADL)

 
These are the cheapest deals for flights from Reagan-National to Adelaide currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Reagan-National to Adelaide

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Reagan-National to Adelaide.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
08:00 - 12:15DCA-ADL
36h 45m2 stops
08:15 - 13:47ADL-DCA
45h 02m2 stops
$1,832Qantas Airways
Find Deal
Mon, 10 Feb - Mon, 17 Feb
14:59 - 11:00DCA-ADL
28h 31m2 stops
06:00 - 13:47ADL-DCA
23h 17m2 stops
$2,024Qantas Airways
Find Deal
Wed, 12 Feb - Wed, 19 Feb
08:00 - 21:50DCA-ADL
46h 20m2 stops
06:15 - 20:59ADL-DCA
30h 14m2 stops
$2,089
Find Deal
Wed, 12 Feb - Sun, 16 Feb
14:59 - 11:00DCA-ADL
28h 31m2 stops
06:00 - 16:10ADL-DCA
25h 40m3 stops
$2,414
Find Deal
Wed, 12 Feb - Wed, 19 Feb
09:40 - 13:55DCA-ADL
36h 45m3 stops
06:00 - 19:57ADL-DCA
29h 27m3 stops
$2,868Air Canada
Find Deal
Mon, 10 Feb - Mon, 17 Feb
06:00 - 13:55DCA-ADL
40h 25m2 stops
09:30 - 17:54ADL-DCA
71h 54m3 stops
$2,970United Airlines
Find Deal
Wed, 12 Feb - Tue, 18 Feb
09:40 - 16:20DCA-ADL
39h 10m3 stops
06:10 - 21:00ADL-DCA
30h 20m3 stops
$2,973Air Canada
Find Deal
Wed, 12 Feb - Wed, 19 Feb
09:40 - 16:20DCA-ADL
39h 10m3 stops
06:10 - 22:37ADL-DCA
31h 57m3 stops
$2,980Air Canada
Find Deal
Wed, 12 Feb - Tue, 18 Feb
15:20 - 20:00DCA-ADL
37h 10m2 stops
16:40 - 13:54ADL-DCA
36h 44m2 stops
$3,180Qantas Airways
Find Deal
Tue, 24 Dec - Sat, 11 Jan
09:00 - 08:45DCA-ADL
56h 15m2 stops
10:10 - 20:59ADL-DCA
50h 19m3 stops
$4,230Singapore Airlines
Find Deal
Mon, 10 Feb - Mon, 17 Feb

Flights from Reagan-National to Adelaide - Travel Insights & Trends

Get data-powered insights and trends into flights from Reagan-National to Adelaide to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Adelaide?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. Reagan-National Airport to Adelaide, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. Reagan-National Airport to Adelaide is September, where tickets cost $2,127 on average. On the other hand, the most expensive months are October and January, where the average cost of tickets is $4,906 and $3,887 respectively.

Good to know

Cheapest flight

$991
Flight from Washington, D.C. to Adelaide

When to book flights from Reagan-National to Adelaide

Are your dates flexible? Find out the best times to travel from Reagan-National to Adelaide based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington, D.C. to Adelaide flights

  • What is the cheapest flight from Washington, D.C. Reagan-National Airport to Adelaide?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to Adelaide was $646 for a one-way ticket and $1,194 for a return.

  • Which airports will I be using when flying from Washington, D.C. to Adelaide?

    When flying out of Washington, D.C. you will be using Washington, D.C. Reagan-National. You will be landing at Adelaide, also known as Adelaide.

  • Which aircraft models fly most regularly from Washington, D.C. to Adelaide?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington, D.C. to Adelaide?

    oneworld, and Star Alliance are the airline alliances operating flights between Washington, D.C. and Adelaide, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Adelaide?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Adelaide.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Adelaide?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Adelaide from Washington, D.C. is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Adelaide?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Adelaide with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Adelaide?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Adelaide from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Washington, D.C. to Adelaide

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Adelaide found on KAYAK in the last 72 hours.
12/2Wed
3 stops
55h 45mDCA-ADL
$991
12/2Wed
2 stopsQantas Airways
28h 31mDCA-ADL
$1,108

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Everything you need to know for your flight from Reagan-National to Adelaide

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