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Cheap flights from Washington, D.C. Reagan-National Airport to Cagliari from $548

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 7/22. 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
11:00 am - 4:20 pm
DCA
-
CAG
23h 20m
3 stops
Multiple Airlines Logo
11:15 pm - 9:55 pm
CAG
-
DCA
28h 40m
2 stops
$904Multiple Airlines
Tue, Apr 14 - Sat, Apr 18
KLM Logo
7:56 pm - 4:25 pm
DCA
-
CAG
14h 29m
2 stops
KLM Logo
5:05 pm - 4:33 pm
CAG
-
DCA
29h 28m
2 stops
$1,024KLM
Wed, May 6 - Wed, May 13
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
$1,074KLM
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 - 5:23 pm
CAG
-
DCA
30h 18m
2 stops
$1,075Delta
Tue, Sep 1 - Mon, Sep 7
KLM Logo
7:35 pm - 4:25 pm
DCA
-
CAG
14h 50m
2 stops
KLM Logo
5:05 pm - 4:36 pm
CAG
-
DCA
29h 31m
2 stops
$1,077KLM
Wed, Apr 8 - Sun, Apr 12
Air Canada Logo
6:55 pm - 6:15 pm
DCA
-
CAG
41h 20m
2 stops
Air Canada Logo
9:10 am - 7:57 pm
CAG
-
DCA
40h 47m
2 stops
$1,121Air Canada
Fri, Aug 14 - Sat, Aug 22
Multiple Airlines Logo
4:10 pm - 11:10 pm
DCA
-
CAG
25h 00m
3 stops
Multiple Airlines Logo
6:00 pm - 10:43 pm
CAG
-
DCA
34h 43m
3 stops
$1,125Multiple Airlines
Wed, Apr 8 - Sun, Apr 12
Delta Logo
7:35 pm - 4:25 pm
DCA
-
CAG
14h 50m
2 stops
Delta Logo
5:05 pm - 5:30 pm
CAG
-
DCA
30h 25m
2 stops
$1,126Delta
Wed, Apr 8 - Sun, Apr 12
Multiple Airlines Logo
9:40 am - 7:45 pm
DCA
-
CAG
28h 05m
2 stops
Multiple Airlines Logo
10:50 am - 10:19 am
CAG
-
DCA
29h 29m
2 stops
$1,138Multiple Airlines
Sun, May 24 - Sun, May 31
Multiple Airlines Logo
6:59 am - 7:45 pm
DCA
-
CAG
30h 46m
3 stops
Multiple Airlines Logo
10:50 am - 10:19 am
CAG
-
DCA
29h 29m
2 stops
$1,142Multiple Airlines
Sun, May 24 - Sun, May 31

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 13m
2 stops
DCA7:18 pmWashington, D.C. Reagan-National
$1,075
Delta
Apr 8
DCA7:35 pmWashington, D.C. Reagan-National
14h 50m
2 stops
CAG4:25 pmCagliari Elmas
Apr 12
CAG5:05 pmCagliari Elmas
30h 25m
2 stops
DCA5:30 pmWashington, D.C. Reagan-National
$1,126
Delta
May 8
DCA3:00 pmWashington, D.C. Reagan-National
19h 25m
2 stops
CAG4:25 pmCagliari Elmas
May 15
CAG5:05 pmCagliari Elmas
30h 00m
2 stops
DCA5:05 pmWashington, D.C. Reagan-National
$1,194

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

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Cagliari flight tickets
Air Canada
Aug 14
DCA6:55 pmWashington, D.C. Reagan-National
41h 20m
2 stops
CAG6:15 pmCagliari Elmas
Aug 22
CAG9:10 amCagliari Elmas
40h 47m
2 stops
DCA7:57 pmWashington, D.C. Reagan-National
$1,121
Air Canada
Aug 14
DCA8:40 pmWashington, D.C. Reagan-National
39h 35m
2 stops
CAG6:15 pmCagliari Elmas
Aug 22
CAG9:10 amCagliari Elmas
19h 21m
2 stops
DCA10:31 pmWashington, D.C. Reagan-National
$1,153
Air Canada
Aug 14
DCA8:40 pmWashington, D.C. Reagan-National
39h 35m
2 stops
CAG6:15 pmCagliari Elmas
Aug 22
CAG9:10 amCagliari Elmas
39h 02m
2 stops
DCA6:12 pmWashington, D.C. Reagan-National
$1,204

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 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

Cheapest round-trip

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 4/14

11:00 am-4:20 pm

3 stops23h 20m

Cagliari Elmas

Sat 4/18

11:15 pm-9:55 pm

2 stops28h 40m

$904

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 5/6

7:56 pm-4:25 pm

2 stops14h 29m

Cagliari Elmas

Wed 5/13

5:05 pm-4:33 pm

2 stops29h 28m

$1,024
Quickest round-trip

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

$1,074

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

$1,075

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 4/8

7:35 pm-4:25 pm

2 stops14h 50m

Cagliari Elmas

Sun 4/12

5:05 pm-4:36 pm

2 stops29h 31m

$1,077

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 8/14

6:55 pm-6:15 pm

2 stops41h 20m

Cagliari Elmas

Sat 8/22

9:10 am-7:57 pm

2 stops40h 47m

$1,121

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 4/8

4:10 pm-11:10 pm

3 stops25h 00m

Cagliari Elmas

Sun 4/12

6:00 pm-10:43 pm

3 stops34h 43m

$1,125

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 4/8

7:35 pm-4:25 pm

2 stops14h 50m

Cagliari Elmas

Sun 4/12

5:05 pm-5:30 pm

2 stops30h 25m

$1,126

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 5/24

9:40 am-7:45 pm

2 stops28h 05m

Cagliari Elmas

Sun 5/31

10:50 am-10:19 am

2 stops29h 29m

$1,138

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 5/24

6:59 am-7:45 pm

3 stops30h 46m

Cagliari Elmas

Sun 5/31

10:50 am-10:19 am

2 stops29h 29m

$1,142

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 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

17h 25m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Cagliari takes 17h 25m
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 17h 25m, 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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