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

As of October 2026, 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.

$796 Cheap Flights from Washington, D.C. Reagan-National Airport to Adelaide in 2026/27

Discover deals from 900+ travel sites with momondo.

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

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Enter your travel dates to find the best prices.

4:59 pm - 3:45 pmDCA Washington, D.C. Reagan-National-ADL Adelaide

31h 16m2 stops Los Angeles Melbourne

7:10 pm - 8:59 pmADL Adelaide-DCA Washington, D.C. Reagan-National

41h 19m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,550Qantas Airways

Mon, Feb 15 - Fri, Feb 19

4:59 pm - 7:20 pmDCA Washington, D.C. Reagan-National-ADL Adelaide

34h 51m2 stops Los Angeles Sydney Kingsford Smith

8:05 pm - 7:49 pmADL Adelaide-DCA Washington, D.C. Reagan-National

39h 14m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,561Qantas Airways

Mon, Feb 15 - Fri, Feb 19

5:05 pm - 1:45 pmDCA Washington, D.C. Reagan-National-ADL Adelaide

29h 10m2 stops Los Angeles Sydney Kingsford Smith

6:00 am - 4:00 pmADL Adelaide-DCA Washington, D.C. Reagan-National

25h 30m2 stops Sydney Kingsford Smith Los Angeles

$1,579American Airlines

Sun, Dec 6 - Sun, Dec 13

4:59 pm - 1:45 pmDCA Washington, D.C. Reagan-National-ADL Adelaide

29h 16m2 stops Los Angeles Sydney Kingsford Smith

6:50 pm - 8:59 pmADL Adelaide-DCA Washington, D.C. Reagan-National

41h 39m2 stops Brisbane Dallas/Fort Worth

$1,614Qantas Airways

Mon, Feb 15 - Fri, Feb 19

7:45 pm - 10:55 amDCA Washington, D.C. Reagan-National-ADL Adelaide

47h 40m2 stops Houston George Bush Intcntl Auckland Intl

12:05 pm - 10:12 pmADL Adelaide-DCA Washington, D.C. Reagan-National

24h 37m2 stops Auckland Intl Houston George Bush Intcntl

$1,683Air New Zealand

Mon, Jan 18 - Mon, Mar 15

10:15 am - 10:30 amDCA Washington, D.C. Reagan-National-ADL Adelaide

32h 45m2 stops Chicago O'Hare Intl Hong Kong Intl

12:00 pm - 10:49 pmADL Adelaide-DCA Washington, D.C. Reagan-National

50h 19m2 stops Hong Kong Intl Dallas/Fort Worth

$1,703Cathay Pacific

Mon, Feb 15 - Fri, Feb 19

10:15 am - 10:30 amDCA Washington, D.C. Reagan-National-ADL Adelaide

32h 45m2 stops Chicago O'Hare Intl Hong Kong Intl

12:00 pm - 10:49 pmADL Adelaide-DCA Washington, D.C. Reagan-National

50h 19m2 stops Hong Kong Intl Dallas/Fort Worth

$1,704Cathay Pacific

Mon, Feb 15 - Fri, Feb 19

1:44 pm - 7:00 pmDCA Washington, D.C. Reagan-National-ADL Adelaide

37h 46m2 stops Dallas/Fort Worth Melbourne

6:30 pm - 9:14 pmADL Adelaide-DCA Washington, D.C. Reagan-National

42h 14m2 stops Melbourne Dallas/Fort Worth

$1,719Qantas Airways

Tue, Nov 10 - Sat, Nov 14

5:05 pm - 7:20 pmDCA Washington, D.C. Reagan-National-ADL Adelaide

34h 45m2 stops Los Angeles Sydney Kingsford Smith

6:25 am - 8:00 pmADL Adelaide-DCA Washington, D.C. Reagan-National

29h 05m2 stops Sydney Kingsford Smith Los Angeles

$1,893Qantas Airways

Tue, Dec 8 - Tue, Dec 15

6:59 am - 1:55 pmDCA Washington, D.C. Reagan-National-ADL Adelaide

39h 26m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

6:00 am - 7:58 pmADL Adelaide-DCA Washington, D.C. Reagan-National

29h 28m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,912Air Canada

Mon, Feb 15 - Fri, Feb 19

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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 15

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

39h 26m

3 stops

ADL1:55 pmAdelaide

Feb 19

ADL6:00 amAdelaide

29h 28m

3 stops

DCA7:58 pmWashington, D.C. Reagan-National

$1,912

Air Canada

Feb 15

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

36h 45m

3 stops

ADL1:55 pmAdelaide

Feb 19

ADL6:00 amAdelaide

29h 28m

3 stops

DCA7:58 pmWashington, D.C. Reagan-National

$2,887

Air Canada

Feb 15

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

36h 45m

3 stops

ADL1:55 pmAdelaide

Feb 19

ADL6:00 amAdelaide

29h 28m

3 stops

DCA7:58 pmWashington, D.C. Reagan-National

$3,106

Cathay Pacific flights from Washington, D.C. Reagan-National Airport to Adelaide

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

Cathay Pacific

Feb 15

DCA10:15 amWashington, D.C. Reagan-National

32h 45m

2 stops

ADL10:30 amAdelaide

Feb 19

ADL12:00 pmAdelaide

50h 19m

2 stops

DCA10:49 pmWashington, D.C. Reagan-National

$1,703

Cathay Pacific

Feb 15

DCA10:15 amWashington, D.C. Reagan-National

32h 45m

2 stops

ADL10:30 amAdelaide

Feb 19

ADL12:00 pmAdelaide

50h 19m

2 stops

DCA10:49 pmWashington, D.C. Reagan-National

$1,704

Cathay Pacific

Nov 10

DCA6:00 amWashington, D.C. Reagan-National

44h 55m

3 stops

ADL6:25 pmAdelaide

Nov 14

ADL2:30 pmAdelaide

47h 46m

3 stops

DCA10:46 pmWashington, D.C. Reagan-National

$1,997

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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Route

Depart

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Price

Cheapest round-trip

Washington, D.C.Adelaide

DCA Washington, D.C. Reagan-National - ADL Adelaide

DCAADL

Washington, D.C. Reagan-National

Mon 2/15

4:59 pm-3:45 pm

2 stops31h 16m

Adelaide

Fri 2/19

7:10 pm-8:59 pm

2 stops41h 19m

$1,550

Washington, D.C.Adelaide

DCA Washington, D.C. Reagan-National - ADL Adelaide

DCAADL

Washington, D.C. Reagan-National

Mon 2/15

4:59 pm-7:20 pm

2 stops34h 51m

Adelaide

Fri 2/19

8:05 pm-7:49 pm

2 stops39h 14m

$1,561

Quickest round-trip

Washington, D.C.Adelaide

DCA Washington, D.C. Reagan-National - ADL Adelaide

DCAADL

Washington, D.C. Reagan-National

Sun 12/6

5:05 pm-1:45 pm

2 stops29h 10m

Adelaide

Sun 12/13

6:00 am-4:00 pm

2 stops25h 30m

$1,579

Washington, D.C.Adelaide

DCA Washington, D.C. Reagan-National - ADL Adelaide

DCAADL

Washington, D.C. Reagan-National

Mon 2/15

4:59 pm-1:45 pm

2 stops29h 16m

Adelaide

Fri 2/19

6:50 pm-8:59 pm

2 stops41h 39m

$1,614

Washington, D.C.Adelaide

DCA Washington, D.C. Reagan-National - ADL Adelaide

DCAADL

Washington, D.C. Reagan-National

Mon 1/18

7:45 pm-10:55 am

2 stops47h 40m

Adelaide

Mon 3/15

12:05 pm-10:12 pm

2 stops24h 37m

$1,683

Washington, D.C.Adelaide

DCA Washington, D.C. Reagan-National - ADL Adelaide

DCAADL

Washington, D.C. Reagan-National

Mon 2/15

10:15 am-10:30 am

2 stops32h 45m

Adelaide

Fri 2/19

12:00 pm-10:49 pm

2 stops50h 19m

$1,703

Washington, D.C.Adelaide

DCA Washington, D.C. Reagan-National - ADL Adelaide

DCAADL

Washington, D.C. Reagan-National

Mon 2/15

10:15 am-10:30 am

2 stops32h 45m

Adelaide

Fri 2/19

12:00 pm-10:49 pm

2 stops50h 19m

$1,704

Washington, D.C.Adelaide

DCA Washington, D.C. Reagan-National - ADL Adelaide

DCAADL

Washington, D.C. Reagan-National

Tue 11/10

1:44 pm-7:00 pm

2 stops37h 46m

Adelaide

Sat 11/14

6:30 pm-9:14 pm

2 stops42h 14m

$1,719

Washington, D.C.Adelaide

DCA Washington, D.C. Reagan-National - ADL Adelaide

DCAADL

Washington, D.C. Reagan-National

Tue 12/8

5:05 pm-7:20 pm

2 stops34h 45m

Adelaide

Tue 12/15

6:25 am-8:00 pm

2 stops29h 05m

$1,893

Washington, D.C.Adelaide

DCA Washington, D.C. Reagan-National - ADL Adelaide

DCAADL

Washington, D.C. Reagan-National

Mon 2/15

6:59 am-1:55 pm

3 stops39h 26m

Adelaide

Fri 2/19

6:00 am-7:58 pm

3 stops29h 28m

$1,912

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

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

Air New Zealand and United Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to Adelaide

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

Best Price Found	$796
Fastest flight time	29h 50m
Direct flights	None

The best one-way flight to Adelaide from Washington, D.C. Reagan-National Airport in the past 72 hours is $796. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Adelaide found on momondo in the last 72 hours is $1,550.

The fastest flight from Washington, D.C. Reagan-National Airport to Adelaide takes 29h 50m

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

Frequently asked questions about flying 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. 29h 50m 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 October 2026, 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 $1,829	Free Cancellation	Rating 7.5 1,118 reviews		Search Qantas Airways flights

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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.

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Cheap flights from Washington, D.C. Reagan-National Airport to Adelaide from $796

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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

Cathay Pacific flights from Washington, D.C. Reagan-National Airport to Adelaide

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

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

What is the cheapest airline that flies 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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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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.

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List of cabin classes available on flights landing in Adelaide. Availability may vary depending on flight origin and airline.

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