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Cheap flights from Washington, D.C. Reagan-National Airport to Cagliari from $445

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 5/10. 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
9:40 am - 10:50 pm
DCA
-
CAG
31h 10m
3 stops
Multiple Airlines Logo
7:50 am - 12:01 pm
CAG
-
DCA
34h 11m
3 stops
$847Multiple Airlines
Fri, Apr 17 - Tue, Apr 21
KLM Logo
7:38 pm - 4:25 pm
DCA
-
CAG
14h 47m
2 stops
KLM Logo
5:05 pm - 4:33 pm
CAG
-
DCA
29h 28m
2 stops
$968KLM
Sun, Apr 26 - Mon, May 11
Delta Logo
3:55 pm - 4:25 pm
DCA
-
CAG
18h 30m
2 stops
Delta Logo
5:05 pm - 7:18 pm
CAG
-
DCA
32h 13m
2 stops
$984Delta
Fri, Aug 14 - Sun, Aug 23
Multiple Airlines Logo
6:00 am - 10:50 pm
DCA
-
CAG
34h 50m
3 stops
Multiple Airlines Logo
7:50 am - 9:55 pm
CAG
-
DCA
20h 05m
2 stops
$1,018Multiple Airlines
Fri, Apr 17 - Tue, Apr 21
Delta Logo
6:00 am - 4:25 pm
DCA
-
CAG
28h 25m
2 stops
Delta Logo
5:05 pm - 6:59 pm
CAG
-
DCA
31h 54m
2 stops
$1,039Delta
Fri, Apr 17 - Tue, Apr 21
Delta Logo
5:00 pm - 4:25 pm
DCA
-
CAG
17h 25m
2 stops
Delta Logo
5:05 pm - 7:18 pm
CAG
-
DCA
32h 13m
2 stops
$1,074Delta
Tue, Sep 1 - Mon, Sep 7
Delta Logo
5:15 pm - 4:25 pm
DCA
-
CAG
17h 10m
2 stops
Delta Logo
5:05 pm - 7:20 pm
CAG
-
DCA
32h 15m
2 stops
$1,075Delta
Tue, Sep 1 - Mon, Sep 7
Air Canada Logo
8:40 pm - 6:15 pm
DCA
-
CAG
39h 35m
2 stops
Air Canada Logo
9:10 am - 8:52 am
CAG
-
DCA
53h 42m
2 stops
$1,107Air Canada
Fri, Aug 14 - Sat, Aug 22
Air Canada Logo
8:40 pm - 6:15 pm
DCA
-
CAG
39h 35m
2 stops
Air Canada Logo
9:10 am - 10:31 pm
CAG
-
DCA
43h 21m
2 stops
$1,108Air Canada
Fri, Aug 14 - Sat, Aug 22
Multiple Airlines Logo
6:55 pm - 5:05 pm
DCA
-
CAG
40h 10m
2 stops
Multiple Airlines Logo
6:00 am - 9:55 pm
CAG
-
DCA
21h 55m
2 stops
$1,144Multiple Airlines
Sat, May 16 - Fri, May 22

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

Our best KLM deals on Washington, D.C. Reagan-National Airport to Cagliari flight tickets
KLM
Apr 26
DCA7:38 pmWashington, D.C. Reagan-National
14h 47m
2 stops
CAG4:25 pmCagliari Elmas
May 11
CAG5:05 pmCagliari Elmas
29h 28m
2 stops
DCA4:33 pmWashington, D.C. Reagan-National
$968
KLM
Sep 1
DCA8:15 pmWashington, D.C. Reagan-National
14h 10m
2 stops
CAG4:25 pmCagliari Elmas
Sep 7
CAG5:05 pmCagliari Elmas
29h 24m
2 stops
DCA4:29 pmWashington, D.C. Reagan-National
$1,074

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 9
DCA5:00 pmWashington, D.C. Reagan-National
20h 50m
2 stops
CAG7:50 pmCagliari Elmas
Jul 18
CAG10:00 pmCagliari Elmas
40h 19m
2 stops
DCA8:19 amWashington, D.C. Reagan-National
$1,442
British Airways
Sep 5
DCA7:17 pmWashington, D.C. Reagan-National
32h 38m
2 stops
CAG9:55 amCagliari Elmas
Sep 13
CAG1:20 pmCagliari Elmas
33h 46m
2 stops
DCA5:06 pmWashington, D.C. Reagan-National
$4,911
British Airways
Sep 12
DCA10:00 pmWashington, D.C. Reagan-National
29h 55m
2 stops
CAG9:55 amCagliari Elmas
Sep 20
CAG1:20 pmCagliari Elmas
32h 39m
2 stops
DCA3:59 pmWashington, D.C. Reagan-National
$5,314

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 April 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

Cheapest round-trip

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 4/17

9:40 am-10:50 pm

3 stops31h 10m

Cagliari Elmas

Tue 4/21

7:50 am-12:01 pm

3 stops34h 11m

$847
Quickest round-trip

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 4/26

7:38 pm-4:25 pm

2 stops14h 47m

Cagliari Elmas

Mon 5/11

5:05 pm-4:33 pm

2 stops29h 28m

$968

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

Sun 8/23

5:05 pm-7:18 pm

2 stops32h 13m

$984

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 4/17

6:00 am-10:50 pm

3 stops34h 50m

Cagliari Elmas

Tue 4/21

7:50 am-9:55 pm

2 stops20h 05m

$1,018

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 4/17

6:00 am-4:25 pm

2 stops28h 25m

Cagliari Elmas

Tue 4/21

5:05 pm-6:59 pm

2 stops31h 54m

$1,039

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 9/1

5:00 pm-4:25 pm

2 stops17h 25m

Cagliari Elmas

Mon 9/7

5:05 pm-7:18 pm

2 stops32h 13m

$1,074

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 9/1

5:15 pm-4:25 pm

2 stops17h 10m

Cagliari Elmas

Mon 9/7

5:05 pm-7:20 pm

2 stops32h 15m

$1,075

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 8/14

8:40 pm-6:15 pm

2 stops39h 35m

Cagliari Elmas

Sat 8/22

9:10 am-8:52 am

2 stops53h 42m

$1,107

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 8/14

8:40 pm-6:15 pm

2 stops39h 35m

Cagliari Elmas

Sat 8/22

9:10 am-10:31 pm

2 stops43h 21m

$1,108

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 5/16

6:55 pm-5:05 pm

2 stops40h 10m

Cagliari Elmas

Fri 5/22

6:00 am-9:55 pm

2 stops21h 55m

$1,144

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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

14h 10m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Cagliari takes 14h 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

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Cagliari

  • 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 14h 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.

Traveling to a place near Cagliari?

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

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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