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Cheap flights from Washington, D.C. Reagan-National Airport to Cagliari from $876

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 9/1. 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
5:00 pm - 4:25 pm
DCA
-
CAG
17h 25m
2 stops
Delta Logo
5:05 pm - 5:23 pm
CAG
-
DCA
30h 18m
2 stops
$876Delta
Tue, Sep 1 - Mon, Sep 7
Delta Logo
5:00 pm - 4:25 pm
DCA
-
CAG
17h 25m
2 stops
Delta Logo
5:05 pm - 7:09 pm
CAG
-
DCA
32h 04m
2 stops
$925Delta
Tue, Sep 1 - Mon, Sep 7
KLM Logo
8:15 pm - 4:25 pm
DCA
-
CAG
14h 10m
2 stops
KLM Logo
5:05 pm - 4:29 pm
CAG
-
DCA
29h 24m
2 stops
$1,155KLM
Tue, Sep 1 - Mon, Sep 7
Multiple Airlines Logo
11:00 am - 8:40 am
DCA
-
CAG
16h 40m
2 stops
Multiple Airlines Logo
7:30 am - 9:41 pm
CAG
-
DCA
19h 11m
2 stops
$1,221Multiple Airlines
Fri, Mar 20 - Tue, Mar 24
Multiple Airlines Logo
7:30 pm - 4:25 pm
DCA
-
CAG
14h 55m
2 stops
Multiple Airlines Logo
6:55 pm - 4:29 pm
CAG
-
DCA
27h 34m
2 stops
$1,296Multiple Airlines
Sun, Jul 19 - Mon, Jul 27
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
$1,302Delta
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
$1,383Delta
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
$1,427Delta
Fri, Aug 14 - Sat, Aug 22
Multiple Airlines Logo
4:20 pm - 5:45 pm
DCA
-
CAG
19h 25m
2 stops
Multiple Airlines Logo
9:10 am - 9:48 pm
CAG
-
DCA
18h 38m
2 stops
$1,435Multiple Airlines
Fri, Aug 14 - Sat, Aug 22
Multiple Airlines Logo
4:20 pm - 5:45 pm
DCA
-
CAG
19h 25m
2 stops
Multiple Airlines Logo
9:10 am - 8:52 am
CAG
-
DCA
29h 42m
2 stops
$1,439Multiple Airlines
Fri, Aug 14 - Sat, Aug 22

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
Sep 1
DCA5:00 pmWashington, D.C. Reagan-National
17h 25m
2 stops
CAG4:25 pmCagliari Elmas
Sep 7
CAG5:05 pmCagliari Elmas
32h 04m
2 stops
DCA7:09 pmWashington, D.C. Reagan-National
$925
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
$1,302
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
$1,383

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
Mar 21
DCA1:54 pmWashington, D.C. Reagan-National
41h 41m
2 stops
CAG12:35 pmCagliari Elmas
Apr 21
CAG9:35 amCagliari Elmas
18h 54m
2 stops
DCA10:29 pmWashington, D.C. Reagan-National
$1,911
Iberia
Mar 21
DCA6:25 pmWashington, D.C. Reagan-National
37h 10m
2 stops
CAG12:35 pmCagliari Elmas
Apr 22
CAG1:40 pmCagliari Elmas
35h 18m
2 stops
DCA6:58 pmWashington, D.C. Reagan-National
$1,917
Iberia
Mar 21
DCA1:54 pmWashington, D.C. Reagan-National
41h 41m
2 stops
CAG12:35 pmCagliari Elmas
Apr 14
CAG9:35 amCagliari Elmas
43h 24m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,920

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 9, 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

Tue 9/1

5:00 pm-4:25 pm

2 stops17h 25m

Cagliari Elmas

Mon 9/7

5:05 pm-5:23 pm

2 stops30h 18m

$876

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-7:09 pm

2 stops32h 04m

$925

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 9/1

8:15 pm-4:25 pm

2 stops14h 10m

Cagliari Elmas

Mon 9/7

5:05 pm-4:29 pm

2 stops29h 24m

$1,155

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 3/20

11:00 am-8:40 am

2 stops16h 40m

Cagliari Elmas

Tue 3/24

7:30 am-9:41 pm

2 stops19h 11m

$1,221

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 7/19

7:30 pm-4:25 pm

2 stops14h 55m

Cagliari Elmas

Mon 7/27

6:55 pm-4:29 pm

2 stops27h 34m

$1,296
Quickest round-trip

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

$1,302

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

$1,383

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

$1,427

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 8/14

4:20 pm-5:45 pm

2 stops19h 25m

Cagliari Elmas

Sat 8/22

9:10 am-9:48 pm

2 stops18h 38m

$1,435

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 8/14

4:20 pm-5:45 pm

2 stops19h 25m

Cagliari Elmas

Sat 8/22

9:10 am-8:52 am

2 stops29h 42m

$1,439

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 Lufthansa 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

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

  • 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
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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