Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $1,248

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Adelaide departing on 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Adelaide

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:40 pm - 4:10 pmDCA-ADL
52h 00m3 stops
Air Canada Logo
6:00 am - 10:35 pmADL-DCA
31h 05m3 stops
$1,248Air Canada
Find Deal
Wed, Mar 4 - Tue, Mar 24
Qantas Airways Logo
5:30 pm - 1:45 pmDCA-ADL
28h 45m2 stops
Qantas Airways Logo
6:25 am - 6:51 pmADL-DCA
26h 56m2 stops
$1,551Qantas Airways
Find Deal
Wed, Mar 4 - Tue, Mar 24
Air New Zealand Logo
7:00 am - 10:55 amDCA-ADL
36h 25m2 stops
Air New Zealand Logo
6:25 am - 9:30 pmADL-DCA
29h 35m2 stops
$1,614Air New Zealand
Find Deal
Wed, Mar 4 - Tue, Mar 24
Air New Zealand Logo
12:50 pm - 10:55 amDCA-ADL
30h 35m2 stops
Air New Zealand Logo
8:00 pm - 4:49 pmADL-DCA
36h 19m2 stops
$1,720Air New Zealand
Find Deal
Fri, Nov 28 - Fri, Dec 5
Multiple Airlines Logo
6:59 am - 10:30 amDCA-ADL
36h 01m2 stops
Multiple Airlines Logo
12:00 pm - 6:57 pmADL-DCA
45h 27m3 stops
$1,724Multiple Airlines
Find Deal
Wed, Mar 4 - Tue, Mar 24
Qantas Airways Logo
5:10 pm - 1:40 pmDCA-ADL
29h 00m2 stops
Qantas Airways Logo
8:00 pm - 7:44 pmADL-DCA
39h 14m2 stops
$1,829Qantas Airways
Find Deal
Tue, Dec 9 - Fri, Jan 9
United Airlines Logo
5:59 pm - 2:10 pmDCA-ADL
28h 41m2 stops
United Airlines Logo
6:00 am - 6:41 pmADL-DCA
28h 11m2 stops
$1,885United Airlines
Find Deal
Tue, Dec 9 - Fri, Jan 9
United Airlines Logo
2:51 pm - 1:00 pmDCA-ADL
30h 39m3 stops
United Airlines Logo
9:30 am - 8:56 pmADL-DCA
50h 56m2 stops
$2,083United Airlines
Find Deal
Fri, Nov 28 - Fri, Dec 5
Fiji Airways Logo
4:59 pm - 12:15 pmDCA-ADL
27h 46m2 stops
Fiji Airways Logo
1:15 pm - 9:10 pmADL-DCA
23h 25m2 stops
$2,609Fiji Airways
Find Deal
Sat, Dec 13 - Thu, Jan 1
Fiji Airways Logo
6:59 pm - 12:15 pmDCA-ADL
49h 46m2 stops
Fiji Airways Logo
1:15 pm - 9:10 pmADL-DCA
23h 25m2 stops
$2,666Fiji Airways
Find Deal
Fri, Dec 12 - Thu, Jan 1

Air New Zealand flights from Washington, D.C. Reagan-National Airport to Adelaide

Our best Air New Zealand deals on Washington, D.C. Reagan-National Airport to Adelaide flight tickets
Air New Zealand
Mar 4
DCA7:00 amWashington, D.C. Reagan-National
36h 25m
2 stops
ADL10:55 amAdelaide
Mar 24
ADL6:25 amAdelaide
29h 35m
2 stops
DCA9:30 pmWashington, D.C. Reagan-National
Air New Zealand
Nov 28
DCA12:50 pmWashington, D.C. Reagan-National
30h 35m
2 stops
ADL10:55 amAdelaide
Dec 5
ADL8:00 pmAdelaide
36h 19m
2 stops
DCA4:49 pmWashington, D.C. Reagan-National
Air New Zealand
Nov 13
DCA5:59 pmWashington, D.C. Reagan-National
32h 46m
2 stops
ADL6:15 pmAdelaide
Nov 17
ADL11:55 amAdelaide
27h 19m
2 stops
DCA11:44 pmWashington, D.C. Reagan-National

Qantas Airways flights from Washington, D.C. Reagan-National Airport to Adelaide

Our best Qantas Airways deals on Washington, D.C. Reagan-National Airport to Adelaide flight tickets
Qantas Airways
Mar 4
DCA5:30 pmWashington, D.C. Reagan-National
28h 45m
2 stops
ADL1:45 pmAdelaide
Mar 24
ADL6:25 amAdelaide
26h 56m
2 stops
DCA6:51 pmWashington, D.C. Reagan-National
Qantas Airways
Dec 9
DCA5:10 pmWashington, D.C. Reagan-National
29h 00m
2 stops
ADL1:40 pmAdelaide
Jan 9
ADL8:00 pmAdelaide
39h 14m
2 stops
DCA7:44 pmWashington, D.C. Reagan-National
Qantas Airways
Dec 9
DCA5:10 pmWashington, D.C. Reagan-National
34h 05m
2 stops
ADL6:45 pmAdelaide
Jan 9
ADL8:00 pmAdelaide
39h 14m
2 stops
DCA7:44 pmWashington, D.C. Reagan-National

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 3/4

8:40 pm-4:10 pm

3 stops52h 00m

Adelaide

Tue 3/24

6:00 am-10:35 pm

3 stops31h 05m

$1,248

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 3/4

5:30 pm-1:45 pm

2 stops28h 45m

Adelaide

Tue 3/24

6:25 am-6:51 pm

2 stops26h 56m

$1,551

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 3/4

7:00 am-10:55 am

2 stops36h 25m

Adelaide

Tue 3/24

6:25 am-9:30 pm

2 stops29h 35m

$1,614

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 11/28

12:50 pm-10:55 am

2 stops30h 35m

Adelaide

Fri 12/5

8:00 pm-4:49 pm

2 stops36h 19m

$1,720

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 3/4

6:59 am-10:30 am

2 stops36h 01m

Adelaide

Tue 3/24

12:00 pm-6:57 pm

3 stops45h 27m

$1,724

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 12/9

5:10 pm-1:40 pm

2 stops29h 00m

Adelaide

Fri 1/9

8:00 pm-7:44 pm

2 stops39h 14m

$1,829

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 12/9

5:59 pm-2:10 pm

2 stops28h 41m

Adelaide

Fri 1/9

6:00 am-6:41 pm

2 stops28h 11m

$1,885

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 11/28

2:51 pm-1:00 pm

3 stops30h 39m

Adelaide

Fri 12/5

9:30 am-8:56 pm

2 stops50h 56m

$2,083

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Sat 12/13

4:59 pm-12:15 pm

2 stops27h 46m

Adelaide

Thu 1/1

1:15 pm-9:10 pm

2 stops23h 25m

$2,609

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 12/12

6:59 pm-12:15 pm

2 stops49h 46m

Adelaide

Thu 1/1

1:15 pm-9:10 pm

2 stops23h 25m

$2,666

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Adelaide from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Adelaide

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Adelaide?

The cheapest day to depart on your flight to Adelaide is on a Sunday when prices can be found for as low as $1,596. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Adelaide is Friday, with ticket prices averaging around $2,914.

What is the cheapest time of day to depart on your flight to Adelaide?

According to our data, the cheapest time of day to fly to Adelaide is in the afternoon. momondo users have found flights departing from Washington, D.C. Reagan-National Airport to Adelaide in the afternoon for as low as $1,741. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Adelaide are more costly at noon, with an average ticket price of $2,841. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Washington, D.C. Reagan-National Airport to Adelaide

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Adelaide according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Adelaide (DCA to ADL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Adelaide

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to Adelaide. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Adelaide.
  • How far is Washington, D.C. Reagan-National to Adelaide by plane?

    The distance between Washington, D.C. Reagan-National and Adelaide is about 10454.3 mi. 27h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Adelaide Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Adelaide Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Adelaide Airport?

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Adelaide Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Adelaide Airport.

  • What documentation or ID do you need to fly to Adelaide Airport?

    The travel and health documents you'll need for your trip to Adelaide Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Adelaide Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Reagan-National Airport to Adelaide?

Best airlines flying from Washington, D.C. Reagan-National Airport to Adelaide

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Adelaide with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $1,041Free CancellationRating
7.5
916 reviews
Search Qantas Airways flights

Traveling to a place near Adelaide?

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

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Adelaide?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Adelaide for you.

Can I find flights from Washington, D.C. to Adelaide with flexible booking policies on momondo?

Flights from Washington, D.C. to Adelaide with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Adelaide?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Adelaide from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Adelaide right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Adelaide from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Adelaide trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/15
Sat 11/22

Find better results for your trip to Australia