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Cheap flights from Washington, D.C. Reagan-National Airport to Cagliari from $429

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 7/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
8:40 pm - 6:00 pm
DCA
-
CAG
15h 20m
2 stops
Delta Logo
5:05 pm - 4:34 pm
CAG
-
DCA
29h 29m
2 stops
$885Delta
Sun, Aug 9 - Mon, Aug 24
Delta Logo
12:55 pm - 11:45 am
DCA
-
CAG
16h 50m
2 stops
Delta Logo
5:05 pm - 4:34 pm
CAG
-
DCA
29h 29m
2 stops
$986Delta
Wed, Jul 29 - Wed, Aug 5
Delta Logo
3:15 pm - 4:25 pm
DCA
-
CAG
19h 10m
2 stops
Delta Logo
5:05 pm - 7:53 pm
CAG
-
DCA
32h 48m
2 stops
$991Delta
Tue, Sep 1 - Mon, Sep 7
Delta Logo
7:59 pm - 4:25 pm
DCA
-
CAG
14h 26m
2 stops
Delta Logo
5:05 pm - 7:34 pm
CAG
-
DCA
32h 29m
2 stops
$997Delta
Thu, Jul 30 - Sun, Aug 23
Delta Logo
3:15 pm - 4:25 pm
DCA
-
CAG
19h 10m
2 stops
Delta Logo
5:05 pm - 7:53 pm
CAG
-
DCA
32h 48m
2 stops
$1,022Delta
Tue, Sep 1 - Mon, Sep 7
Delta Logo
11:00 am - 11:45 am
DCA
-
CAG
18h 45m
2 stops
Delta Logo
12:30 pm - 11:56 pm
CAG
-
DCA
17h 26m
2 stops
$1,040Delta
Wed, Jul 22 - Fri, Jul 31
Multiple Airlines Logo
6:55 pm - 6:10 pm
DCA
-
CAG
41h 15m
2 stops
Multiple Airlines Logo
6:35 pm - 3:40 pm
CAG
-
DCA
51h 05m
2 stops
$1,068Multiple Airlines
Tue, Sep 1 - Mon, Sep 7
British Airways Logo
5:22 pm - 8:35 pm
DCA
-
CAG
21h 13m
2 stops
British Airways Logo
8:15 pm - 7:59 pm
CAG
-
DCA
29h 44m
2 stops
$1,075British Airways
Wed, Jul 29 - Wed, Aug 5
Air Canada Logo
8:40 pm - 6:15 pm
DCA
-
CAG
39h 35m
2 stops
Air Canada Logo
9:10 am - 6:12 pm
CAG
-
DCA
39h 02m
2 stops
$1,171Air Canada
Fri, Aug 14 - Sat, Aug 22
Multiple Airlines Logo
6:55 pm - 11:55 pm
DCA
-
CAG
23h 00m
3 stops
Multiple Airlines Logo
11:15 pm - 3:38 pm
CAG
-
DCA
22h 23m
3 stops
$1,194Multiple Airlines
Wed, Jul 29 - Wed, Aug 5

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

Our best Iberia deals on Washington, D.C. Reagan-National Airport to Cagliari flight tickets
Iberia
Aug 26
DCA1:46 pmWashington, D.C. Reagan-National
23h 04m
2 stops
CAG6:50 pmCagliari Elmas
Aug 30
CAG6:40 pmCagliari Elmas
32h 19m
2 stops
DCA8:59 pmWashington, D.C. Reagan-National
$1,411
Iberia
Aug 26
DCA4:59 pmWashington, D.C. Reagan-National
19h 51m
2 stops
CAG6:50 pmCagliari Elmas
Aug 30
CAG6:40 pmCagliari Elmas
34h 53m
2 stops
DCA11:33 pmWashington, D.C. Reagan-National
$1,460
Iberia
Aug 26
DCA1:59 pmWashington, D.C. Reagan-National
22h 51m
2 stops
CAG6:50 pmCagliari Elmas
Aug 30
CAG6:40 pmCagliari Elmas
32h 50m
2 stops
DCA9:30 pmWashington, D.C. Reagan-National
$1,520

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 29
DCA5:22 pmWashington, D.C. Reagan-National
21h 13m
2 stops
CAG8:35 pmCagliari Elmas
Aug 5
CAG8:15 pmCagliari Elmas
29h 44m
2 stops
DCA7:59 pmWashington, D.C. Reagan-National
$1,075
British Airways
Aug 3
DCA2:54 pmWashington, D.C. Reagan-National
16h 16m
2 stops
CAG1:10 pmCagliari Elmas
Aug 19
CAG8:15 pmCagliari Elmas
29h 44m
2 stops
DCA7:59 pmWashington, D.C. Reagan-National
$1,210

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 June 28, 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

Sun 8/9

8:40 pm-6:00 pm

2 stops15h 20m

Cagliari Elmas

Mon 8/24

5:05 pm-4:34 pm

2 stops29h 29m

$885

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 7/29

12:55 pm-11:45 am

2 stops16h 50m

Cagliari Elmas

Wed 8/5

5:05 pm-4:34 pm

2 stops29h 29m

$986

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 9/1

3:15 pm-4:25 pm

2 stops19h 10m

Cagliari Elmas

Mon 9/7

5:05 pm-7:53 pm

2 stops32h 48m

$991

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 7/30

7:59 pm-4:25 pm

2 stops14h 26m

Cagliari Elmas

Sun 8/23

5:05 pm-7:34 pm

2 stops32h 29m

$997

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 9/1

3:15 pm-4:25 pm

2 stops19h 10m

Cagliari Elmas

Mon 9/7

5:05 pm-7:53 pm

2 stops32h 48m

$1,022
Quickest round-trip

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 7/22

11:00 am-11:45 am

2 stops18h 45m

Cagliari Elmas

Fri 7/31

12:30 pm-11:56 pm

2 stops17h 26m

$1,040

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 9/1

6:55 pm-6:10 pm

2 stops41h 15m

Cagliari Elmas

Mon 9/7

6:35 pm-3:40 pm

2 stops51h 05m

$1,068

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 7/29

5:22 pm-8:35 pm

2 stops21h 13m

Cagliari Elmas

Wed 8/5

8:15 pm-7:59 pm

2 stops29h 44m

$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-6:12 pm

2 stops39h 02m

$1,171

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 7/29

6:55 pm-11:55 pm

3 stops23h 00m

Cagliari Elmas

Wed 8/5

11:15 pm-3:38 pm

3 stops22h 23m

$1,194

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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?

Air Canada and British Airways are the most popular carriers 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

15h 20m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Cagliari takes 15h 20m
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 15h 20m, 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?

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