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Cheap flights from Washington, D.C. Reagan-National Airport to Cagliari from $397

This is the cheapest one-way 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 5/19. 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.
Delta Logo
12:29 pm - 4:25 pm
DCA
-
CAG
21h 56m
2 stops
Delta Logo
5:05 pm - 6:59 pm
CAG
-
DCA
31h 54m
2 stops
$1,069Delta
Thu, Apr 9 - Thu, Apr 16
Delta Logo
3:55 pm - 4:25 pm
DCA
-
CAG
18h 30m
2 stops
Delta Logo
12:30 pm - 11:12 pm
CAG
-
DCA
16h 42m
2 stops
$1,145Delta
Fri, Aug 14 - Sat, Aug 22
Delta Logo
3:55 pm - 4:25 pm
DCA
-
CAG
18h 30m
2 stops
Delta Logo
12:30 pm - 11:12 pm
CAG
-
DCA
16h 42m
2 stops
$1,245Delta
Fri, Aug 14 - Sat, Aug 22
Multiple Airlines Logo
7:30 pm - 4:25 pm
DCA
-
CAG
14h 55m
2 stops
Multiple Airlines Logo
12:30 pm - 11:12 pm
CAG
-
DCA
16h 42m
2 stops
$1,400Multiple Airlines
Fri, Aug 14 - Sat, Aug 22
British Airways Logo
5:24 pm - 8:50 pm
DCA
-
CAG
21h 26m
2 stops
British Airways Logo
11:40 am - 7:59 am
CAG
-
DCA
26h 19m
2 stops
$1,442British Airways
Fri, Jul 3 - Sat, Jul 11
Delta Logo
5:00 pm - 4:25 pm
DCA
-
CAG
17h 25m
2 stops
Delta Logo
5:05 pm - 5:07 pm
CAG
-
DCA
30h 02m
2 stops
$1,446Delta
Tue, May 19 - Sun, May 31
Delta Logo
3:00 pm - 4:25 pm
DCA
-
CAG
19h 25m
2 stops
Delta Logo
5:05 pm - 7:52 pm
CAG
-
DCA
32h 47m
2 stops
$1,556Delta
Wed, May 20 - Sun, May 31
KLM Logo
7:59 pm - 4:25 pm
DCA
-
CAG
14h 26m
2 stops
KLM Logo
5:05 pm - 4:33 pm
CAG
-
DCA
29h 28m
2 stops
$2,067KLM
Thu, May 21 - Sun, May 31
British Airways Logo
10:16 pm - 7:20 pm
DCA
-
CAG
39h 04m
2 stops
British Airways Logo
11:40 am - 11:10 pm
CAG
-
DCA
17h 30m
2 stops
$10,296British Airways
Mon, Jul 20 - Sat, Jul 25

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

Our best Delta deals on Washington, D.C. Reagan-National Airport to Cagliari flight tickets
Delta
Apr 9
DCA12:29 pmWashington, D.C. Reagan-National
21h 56m
2 stops
CAG4:25 pmCagliari Elmas
Apr 16
CAG5:05 pmCagliari Elmas
31h 54m
2 stops
DCA6:59 pmWashington, D.C. Reagan-National
$1,069
Delta
Aug 14
DCA3:55 pmWashington, D.C. Reagan-National
18h 30m
2 stops
CAG4:25 pmCagliari Elmas
Aug 22
CAG12:30 pmCagliari Elmas
16h 42m
2 stops
DCA11:12 pmWashington, D.C. Reagan-National
$1,145
Delta
Aug 14
DCA3:55 pmWashington, D.C. Reagan-National
18h 30m
2 stops
CAG4:25 pmCagliari Elmas
Aug 22
CAG12:30 pmCagliari Elmas
16h 42m
2 stops
DCA11:12 pmWashington, D.C. Reagan-National
$1,245

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
Jul 3
DCA5:24 pmWashington, D.C. Reagan-National
21h 26m
2 stops
CAG8:50 pmCagliari Elmas
Jul 11
CAG11:40 amCagliari Elmas
26h 19m
2 stops
DCA7:59 amWashington, D.C. Reagan-National
$1,442
British Airways
Jul 20
DCA10:16 pmWashington, D.C. Reagan-National
39h 04m
2 stops
CAG7:20 pmCagliari Elmas
Jul 25
CAG11:40 amCagliari Elmas
17h 30m
2 stops
DCA11:10 pmWashington, D.C. Reagan-National
$10,296

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 26, 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 4/9

12:29 pm-4:25 pm

2 stops21h 56m

Cagliari Elmas

Thu 4/16

5:05 pm-6:59 pm

2 stops31h 54m

$1,069

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 8/14

3:55 pm-4:25 pm

2 stops18h 30m

Cagliari Elmas

Sat 8/22

12:30 pm-11:12 pm

2 stops16h 42m

$1,145

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 8/14

3:55 pm-4:25 pm

2 stops18h 30m

Cagliari Elmas

Sat 8/22

12:30 pm-11:12 pm

2 stops16h 42m

$1,245

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 8/14

7:30 pm-4:25 pm

2 stops14h 55m

Cagliari Elmas

Sat 8/22

12:30 pm-11:12 pm

2 stops16h 42m

$1,400

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 7/3

5:24 pm-8:50 pm

2 stops21h 26m

Cagliari Elmas

Sat 7/11

11:40 am-7:59 am

2 stops26h 19m

$1,442

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 5/19

5:00 pm-4:25 pm

2 stops17h 25m

Cagliari Elmas

Sun 5/31

5:05 pm-5:07 pm

2 stops30h 02m

$1,446

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 5/20

3:00 pm-4:25 pm

2 stops19h 25m

Cagliari Elmas

Sun 5/31

5:05 pm-7:52 pm

2 stops32h 47m

$1,556

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 5/21

7:59 pm-4:25 pm

2 stops14h 26m

Cagliari Elmas

Sun 5/31

5:05 pm-4:33 pm

2 stops29h 28m

$2,067

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Mon 7/20

10:16 pm-7:20 pm

2 stops39h 04m

Cagliari Elmas

Sat 7/25

11:40 am-11:10 pm

2 stops17h 30m

$10,296

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 5/19

6:09 am-4:25 pm

2 stops28h 16m

$397

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Cagliari from

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

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 Cagliari Elmas?

Delta is the most popular carrier operating from Washington, D.C. Reagan-National to Cagliari Elmas

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

18h 30m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Cagliari takes 18h 30m
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 18h 30m, 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.

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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