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Cheap flights from Washington, D.C. Reagan-National Airport to Cagliari from $612

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 Cagliari departing on 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Cagliari

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:10 pm - 10:05 pm
DCA
-
CAG
23h 55m
2 stops
Multiple Airlines Logo
8:05 am - 9:53 pm
CAG
-
DCA
19h 48m
3 stops
$612Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
6:59 am - 7:00 pm
DCA
-
CAG
30h 01m
3 stops
Multiple Airlines Logo
6:00 am - 10:43 pm
CAG
-
DCA
22h 43m
3 stops
$733Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
4:10 pm - 9:25 pm
DCA
-
CAG
23h 15m
3 stops
Multiple Airlines Logo
11:15 pm - 9:53 pm
CAG
-
DCA
28h 38m
2 stops
$831Multiple Airlines
Sat, Apr 4 - Sat, Apr 11
Multiple Airlines Logo
4:10 pm - 6:30 pm
DCA
-
CAG
20h 20m
3 stops
Multiple Airlines Logo
10:35 am - 10:43 pm
CAG
-
DCA
18h 08m
3 stops
$905Multiple Airlines
Sat, Apr 4 - Sat, Apr 11
Multiple Airlines Logo
5:00 pm - 3:10 pm
DCA
-
CAG
16h 10m
2 stops
Multiple Airlines Logo
9:30 am - 9:34 pm
CAG
-
DCA
18h 04m
2 stops
$1,124Multiple Airlines
Thu, Feb 26 - Wed, Mar 4
Multiple Airlines Logo
6:00 am - 9:50 pm
DCA
-
CAG
33h 50m
3 stops
Multiple Airlines Logo
10:50 am - 10:18 am
CAG
-
DCA
29h 28m
2 stops
$1,183Multiple Airlines
Sun, May 31 - Sun, Jul 5
Delta Logo
4:00 pm - 4:25 pm
DCA
-
CAG
18h 25m
2 stops
Delta Logo
5:05 pm - 6:59 pm
CAG
-
DCA
31h 54m
2 stops
$1,214Delta
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
4:20 pm - 7:45 pm
DCA
-
CAG
21h 25m
2 stops
Multiple Airlines Logo
10:50 am - 10:18 am
CAG
-
DCA
29h 28m
2 stops
$1,224Multiple Airlines
Sun, May 31 - Sun, Jul 5
Multiple Airlines Logo
12:45 pm - 5:00 pm
DCA
-
CAG
22h 15m
3 stops
Multiple Airlines Logo
10:50 am - 10:18 am
CAG
-
DCA
29h 28m
2 stops
$1,241Multiple Airlines
Sat, May 30 - Sun, Jul 5
Multiple Airlines Logo
8:40 pm - 5:15 pm
DCA
-
CAG
39h 35m
2 stops
Multiple Airlines Logo
6:35 pm - 10:19 am
CAG
-
DCA
45h 44m
2 stops
$1,262Multiple Airlines
Fri, Mar 27 - Fri, Apr 3

British Airways flights from Washington, D.C. Reagan-National Airport to Cagliari

Our best British Airways deals on Washington, D.C. Reagan-National Airport to Cagliari flight tickets
British Airways
Jun 28
DCA6:59 pmWashington, D.C. Reagan-National
18h 11m
2 stops
CAG7:10 pmCagliari Elmas
Jul 23
CAG11:40 amCagliari Elmas
17h 30m
2 stops
DCA11:10 pmWashington, D.C. Reagan-National
$1,675
British Airways
Jul 3
DCA5:24 pmWashington, D.C. Reagan-National
21h 26m
2 stops
CAG8:50 pmCagliari Elmas
Jul 11
CAG11:40 amCagliari Elmas
17h 30m
2 stops
DCA11:10 pmWashington, D.C. Reagan-National
$1,816
British Airways
Jun 29
DCA3:20 pmWashington, D.C. Reagan-National
16h 45m
2 stops
CAG2:05 pmCagliari Elmas
Jul 23
CAG9:25 pmCagliari Elmas
31h 45m
2 stops
DCA11:10 pmWashington, D.C. Reagan-National
$1,878

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

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Cagliari flight tickets
Air Canada
Apr 4
DCA9:40 amWashington, D.C. Reagan-National
26h 35m
2 stops
CAG6:15 pmCagliari Elmas
Apr 11
CAG9:10 amCagliari Elmas
16h 43m
2 stops
DCA7:53 pmWashington, D.C. Reagan-National
$1,470
Air Canada
Jul 4
DCA6:59 amWashington, D.C. Reagan-National
29h 16m
2 stops
CAG6:15 pmCagliari Elmas
Jul 11
CAG9:10 amCagliari Elmas
31h 08m
2 stops
DCA10:18 amWashington, D.C. Reagan-National
$1,689
Air Canada
Jul 2
DCA6:59 amWashington, D.C. Reagan-National
29h 16m
2 stops
CAG6:15 pmCagliari Elmas
Jul 11
CAG9:10 amCagliari Elmas
18h 38m
2 stops
DCA9:48 pmWashington, D.C. Reagan-National
$1,729

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Cagliari 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 February 11, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Cagliari that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 4/16

4:10 pm-10:05 pm

2 stops23h 55m

Cagliari Elmas

Mon 4/20

8:05 am-9:53 pm

3 stops19h 48m

$612

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 4/16

6:59 am-7:00 pm

3 stops30h 01m

Cagliari Elmas

Mon 4/20

6:00 am-10:43 pm

3 stops22h 43m

$733

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 4/4

4:10 pm-9:25 pm

3 stops23h 15m

Cagliari Elmas

Sat 4/11

11:15 pm-9:53 pm

2 stops28h 38m

$831

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 4/4

4:10 pm-6:30 pm

3 stops20h 20m

Cagliari Elmas

Sat 4/11

10:35 am-10:43 pm

3 stops18h 08m

$905

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 2/26

5:00 pm-3:10 pm

2 stops16h 10m

Cagliari Elmas

Wed 3/4

9:30 am-9:34 pm

2 stops18h 04m

$1,124

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 5/31

6:00 am-9:50 pm

3 stops33h 50m

Cagliari Elmas

Sun 7/5

10:50 am-10:18 am

2 stops29h 28m

$1,183

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 4/16

4:00 pm-4:25 pm

2 stops18h 25m

Cagliari Elmas

Mon 4/20

5:05 pm-6:59 pm

2 stops31h 54m

$1,214

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 5/31

4:20 pm-7:45 pm

2 stops21h 25m

Cagliari Elmas

Sun 7/5

10:50 am-10:18 am

2 stops29h 28m

$1,224

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 5/30

12:45 pm-5:00 pm

3 stops22h 15m

Cagliari Elmas

Sun 7/5

10:50 am-10:18 am

2 stops29h 28m

$1,241

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 3/27

8:40 pm-5:15 pm

2 stops39h 35m

Cagliari Elmas

Fri 4/3

6:35 pm-10:19 am

2 stops45h 44m

$1,262

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Cagliari 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 Cagliari (DCA to CAG) flight deals and tips

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

Fastest flight time

16h 10m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Cagliari takes 16h 10m
There are no direct flights from Washington, D.C. Reagan-National Airport to Cagliari. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Cagliari.
Search flight deals

  • How far is Washington, D.C. Reagan-National to Cagliari Elmas by plane?

    Cagliari Elmas is 4424.5 mi away from Washington, D.C. Reagan-National. Flights usually cover this in 16h 10m, depending on flying conditions and air traffic around both airports.

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 Cagliari Elmas Airport.

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

    The necessary travel and health documents for your Cagliari Elmas Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Washington, D.C. Reagan-National Airport to Cagliari?

    Price Alerts will notify you by email when the price for flights to Cagliari from Washington, D.C. Reagan-National Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Washington, D.C. Reagan-National Airport to Cagliari with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Cagliari?

Book flights to Cagliari if you plan to visit one of these locations
Villasimius
Arbatax
Oristano
Pula

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Cagliari. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Cagliari from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Washington, D.C. to Cagliari flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Cagliari from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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