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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
10:00 am - 11:45 am
DCA
-
CAG
19h 45m
2 stops
Delta Logo
5:05 pm - 11:12 pm
CAG
-
DCA
36h 07m
2 stops
$971Delta
Fri, Aug 28 - Sat, Sep 12
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
$1,165Delta
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
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
$1,265Delta
Fri, Aug 14 - Sat, Aug 22
Delta Logo
5:00 pm - 4:25 pm
DCA
-
CAG
17h 25m
2 stops
Delta Logo
12:30 pm - 11:12 pm
CAG
-
DCA
16h 42m
2 stops
$1,355Delta
Fri, Aug 14 - Sat, Aug 22
Delta Logo
5:00 pm - 6:00 pm
DCA
-
CAG
19h 00m
2 stops
Delta Logo
12:30 pm - 11:12 pm
CAG
-
DCA
16h 42m
2 stops
$1,543Delta
Sun, Jul 5 - Sat, Jul 18
KLM Logo
7:32 pm - 4:25 pm
DCA
-
CAG
14h 53m
2 stops
KLM Logo
5:05 pm - 4:33 pm
CAG
-
DCA
29h 28m
2 stops
$2,760KLM
Thu, May 7 - Sat, May 16
Multiple Airlines Logo
11:00 am - 8:10 am
DCA
-
CAG
39h 10m
2 stops
Multiple Airlines Logo
8:55 am - 10:28 pm
CAG
-
DCA
19h 33m
2 stops
$4,241Multiple Airlines
Thu, May 7 - Sat, May 16

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
Aug 28
DCA10:00 amWashington, D.C. Reagan-National
19h 45m
2 stops
CAG11:45 amCagliari Elmas
Sep 12
CAG5:05 pmCagliari Elmas
36h 07m
2 stops
DCA11:12 pmWashington, D.C. Reagan-National
$971
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
$1,165
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

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 March 1, 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

Fri 8/28

10:00 am-11:45 am

2 stops19h 45m

Cagliari Elmas

Sat 9/12

5:05 pm-11:12 pm

2 stops36h 07m

$971

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

$1,165

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

3:55 pm-4:25 pm

2 stops18h 30m

Cagliari Elmas

Sat 8/22

12:30 pm-11:12 pm

2 stops16h 42m

$1,265

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 8/14

5:00 pm-4:25 pm

2 stops17h 25m

Cagliari Elmas

Sat 8/22

12:30 pm-11:12 pm

2 stops16h 42m

$1,355

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 7/5

5:00 pm-6:00 pm

2 stops19h 00m

Cagliari Elmas

Sat 7/18

12:30 pm-11:12 pm

2 stops16h 42m

$1,543

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 5/7

7:32 pm-4:25 pm

2 stops14h 53m

Cagliari Elmas

Sat 5/16

5:05 pm-4:33 pm

2 stops29h 28m

$2,760

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 5/7

11:00 am-8:10 am

2 stops39h 10m

Cagliari Elmas

Sat 5/16

8:55 am-10:28 pm

2 stops19h 33m

$4,241

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

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 5/20

5:00 pm-4:25 pm

2 stops17h 25m

$547

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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?

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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?

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