What is the cheapest airline that flies from Washington, D.C. Reagan-National to Adelaide?

United Airlines is the most popular carrier operating from Washington, D.C. Reagan-National to Adelaide

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

As of December 2025, there is 1 operator available to choose from for flights 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.

$705 Cheap Flights from Washington, D.C. Reagan-National Airport to Adelaide in 2025/26

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

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One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:59 am - 1:55 pmDCA-ADL

39h 26m3 stops

6:00 am - 10:35 pmADL-DCA

32h 05m3 stops

$1,197Air Canada

Find Deal

Tue, Feb 17 - Sat, Feb 21

6:59 am - 6:10 pmDCA-ADL

43h 41m3 stops

6:00 am - 8:55 amADL-DCA

42h 25m3 stops

$1,198Air Canada

Find Deal

Tue, Feb 17 - Sat, Feb 21

9:40 am - 6:10 pmDCA-ADL

41h 00m3 stops

6:00 am - 7:59 pmADL-DCA

29h 29m3 stops

$1,199Air Canada

Find Deal

Tue, Feb 17 - Sat, Feb 21

5:59 pm - 9:30 amDCA-ADL

24h 01m1 stop

2:55 pm - 9:58 amADL-DCA

34h 33m2 stops

$1,215United Airlines

Find Deal

Mon, Jan 12 - Mon, Jan 19

1:10 pm - 9:25 amDCA-ADL

30h 45m2 stops

7:00 pm - 11:00 pmADL-DCA

41h 30m2 stops

$1,259Qantas Airways

Find Deal

Fri, May 1 - Sun, May 31

5:30 pm - 7:15 pmDCA-ADL

34h 15m2 stops

6:30 pm - 9:00 pmADL-DCA

42h 00m2 stops

$1,275Qantas Airways

Find Deal

Mon, Jan 12 - Mon, Jan 19

8:16 am - 8:55 amDCA-ADL

35h 09m2 stops

10:10 am - 8:59 pmADL-DCA

24h 19m2 stops

$1,296Qantas Airways

Find Deal

Thu, Apr 30 - Sat, May 30

3:59 pm - 10:55 amDCA-ADL

27h 26m2 stops

7:50 am - 8:44 pmADL-DCA

28h 24m2 stops

$1,453American Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 20

4:59 pm - 1:40 pmDCA-ADL

29h 11m2 stops

4:10 pm - 2:54 pmADL-DCA

38h 14m2 stops

$1,661American Airlines

Find Deal

Tue, Feb 17 - Sat, Feb 21

4:59 pm - 1:40 pmDCA-ADL

29h 11m2 stops

7:50 am - 11:00 pmADL-DCA

30h 40m2 stops

$1,697American Airlines

Find Deal

Tue, Feb 17 - Sat, Feb 21

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

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Adelaide flight tickets

Air Canada

Feb 17

DCA6:59 amWashington, D.C. Reagan-National

43h 41m

3 stops

ADL6:10 pmAdelaide

Feb 21

ADL6:00 amAdelaide

42h 25m

3 stops

DCA8:55 amWashington, D.C. Reagan-National

$1,198

Find similar

Air Canada

Feb 17

DCA9:40 amWashington, D.C. Reagan-National

41h 00m

3 stops

ADL6:10 pmAdelaide

Feb 21

ADL6:00 amAdelaide

29h 29m

3 stops

DCA7:59 pmWashington, D.C. Reagan-National

$1,199

Find similar

Air Canada

Mar 14

DCA8:40 pmWashington, D.C. Reagan-National

56h 00m

3 stops

ADL7:10 pmAdelaide

Mar 18

ADL7:55 pmAdelaide

60h 40m

3 stops

DCA6:05 pmWashington, D.C. Reagan-National

$1,549

Find similar

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

May 1

DCA1:10 pmWashington, D.C. Reagan-National

30h 45m

2 stops

ADL9:25 amAdelaide

May 31

ADL7:00 pmAdelaide

41h 30m

2 stops

DCA11:00 pmWashington, D.C. Reagan-National

$1,259

Find similar

Qantas Airways

Apr 30

DCA8:16 amWashington, D.C. Reagan-National

35h 09m

2 stops

ADL8:55 amAdelaide

May 30

ADL10:10 amAdelaide

24h 19m

2 stops

DCA8:59 pmWashington, D.C. Reagan-National

$1,296

Find similar

Qantas Airways

Dec 9

DCA5:10 pmWashington, D.C. Reagan-National

29h 05m

2 stops

ADL1:45 pmAdelaide

Jan 9

ADL8:00 pmAdelaide

38h 11m

2 stops

DCA6:41 pmWashington, D.C. Reagan-National

$1,783

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Adelaide that are best for you.

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Fly to

Route

Depart

Return

Price

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 2/17

6:59 am-1:55 pm

3 stops39h 26m

Adelaide

Sat 2/21

6:00 am-10:35 pm

3 stops32h 05m

$1,197

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 2/17

6:59 am-6:10 pm

3 stops43h 41m

Adelaide

Sat 2/21

6:00 am-8:55 am

3 stops42h 25m

$1,198

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 2/17

9:40 am-6:10 pm

3 stops41h 00m

Adelaide

Sat 2/21

6:00 am-7:59 pm

3 stops29h 29m

$1,199

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 1/12

5:59 pm-9:30 am

1 stop24h 01m

Adelaide

Mon 1/19

2:55 pm-9:58 am

2 stops34h 33m

$1,215

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Fri 5/1

1:10 pm-9:25 am

2 stops30h 45m

Adelaide

Sun 5/31

7:00 pm-11:00 pm

2 stops41h 30m

$1,259

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Mon 1/12

5:30 pm-7:15 pm

2 stops34h 15m

Adelaide

Mon 1/19

6:30 pm-9:00 pm

2 stops42h 00m

$1,275

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Thu 4/30

8:16 am-8:55 am

2 stops35h 09m

Adelaide

Sat 5/30

10:10 am-8:59 pm

2 stops24h 19m

$1,296

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 1/13

3:59 pm-10:55 am

2 stops27h 26m

Adelaide

Tue 1/20

7:50 am-8:44 pm

2 stops28h 24m

$1,453

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 2/17

4:59 pm-1:40 pm

2 stops29h 11m

Adelaide

Sat 2/21

4:10 pm-2:54 pm

2 stops38h 14m

$1,661

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Tue 2/17

4:59 pm-1:40 pm

2 stops29h 11m

Adelaide

Sat 2/21

7:50 am-11:00 pm

2 stops30h 40m

$1,697

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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

Prices

Airlines

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

Fastest flight time	29h 05m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Adelaide takes 29h 05m

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.

Search flight deals

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. 24h 01m 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?
As of December 2025, there is 1 operator available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Reagan-National Airport to Adelaide is Qantas Airways, representing 100% of all bookings.

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 Airways	PriceFrom $1,041	Free Cancellation	Rating 7.5 946 reviews		Search Qantas Airways flights

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

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Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $705

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

Cheap round-trip flights

Cheap one-way flights

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

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Adelaide flight tickets

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

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Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Adelaide that are best for you.

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?

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

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Adelaide?

United Airlines is the most popular carrier operating from Washington, D.C. Reagan-National to Adelaide

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

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

Fastest flight time

Direct flights

How far is Washington, D.C. Reagan-National to Adelaide by plane?

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

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?

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

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

Traveling to a place near Adelaide?

Why use momondo?

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

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

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

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

Find better results for your trip to Australia

Airports servicing South Australia