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Cheap flights from Washington, D.C. Reagan-National Airport to Cagliari from $623

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 3/4. 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
6:00 am - 8:40 pm
DCA
-
CAG
32h 40m
2 stops
Multiple Airlines Logo
8:15 pm - 9:56 pm
CAG
-
DCA
30h 41m
3 stops
$623Multiple Airlines
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
6:50 pm - 8:40 pm
DCA
-
CAG
19h 50m
3 stops
Multiple Airlines Logo
8:15 pm - 9:56 pm
CAG
-
DCA
30h 41m
3 stops
$651Multiple Airlines
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
4:10 pm - 8:30 pm
DCA
-
CAG
23h 20m
3 stops
Multiple Airlines Logo
8:30 pm - 7:45 pm
CAG
-
DCA
28h 15m
3 stops
$819Multiple Airlines
Sun, Mar 15 - Sun, Mar 22
British Airways Logo
6:58 pm - 7:10 pm
DCA
-
CAG
18h 12m
2 stops
British Airways Logo
8:15 pm - 8:16 pm
CAG
-
DCA
30h 01m
2 stops
$1,004British Airways
Sun, Aug 2 - Wed, Aug 19
Air Canada Logo
6:59 am - 6:15 pm
DCA
-
CAG
29h 16m
2 stops
Air Canada Logo
9:10 am - 8:53 am
CAG
-
DCA
29h 43m
2 stops
$1,039Air Canada
Sat, Apr 11 - Sat, Apr 18
Multiple Airlines Logo
11:05 am - 4:20 pm
DCA
-
CAG
23h 15m
3 stops
Multiple Airlines Logo
8:00 am - 10:43 pm
CAG
-
DCA
20h 43m
3 stops
$1,046Multiple Airlines
Wed, Apr 1 - Wed, Apr 8
Lufthansa Logo
11:05 am - 6:15 pm
DCA
-
CAG
25h 10m
2 stops
Lufthansa Logo
9:10 am - 10:43 pm
CAG
-
DCA
19h 33m
2 stops
$1,100Lufthansa
Sat, Apr 18 - Sat, Apr 25
Multiple Airlines Logo
6:59 am - 6:10 pm
DCA
-
CAG
29h 11m
2 stops
Multiple Airlines Logo
6:35 pm - 9:53 pm
CAG
-
DCA
33h 18m
2 stops
$1,101Multiple Airlines
Wed, Apr 1 - Wed, Apr 8
Delta Logo
12:16 pm - 4:25 pm
DCA
-
CAG
22h 09m
2 stops
Delta Logo
5:05 pm - 6:59 pm
CAG
-
DCA
31h 54m
2 stops
$1,137Delta
Tue, Apr 7 - Mon, Apr 13
Multiple Airlines Logo
8:40 pm - 5:05 pm
DCA
-
CAG
38h 25m
2 stops
Multiple Airlines Logo
6:35 pm - 6:03 pm
CAG
-
DCA
29h 28m
2 stops
$1,232Multiple Airlines
Sat, Apr 4 - Sat, Apr 11

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
Aug 2
DCA6:58 pmWashington, D.C. Reagan-National
18h 12m
2 stops
CAG7:10 pmCagliari Elmas
Aug 19
CAG8:15 pmCagliari Elmas
30h 01m
2 stops
DCA8:16 pmWashington, D.C. Reagan-National
$1,004
British Airways
Jul 24
DCA6:58 pmWashington, D.C. Reagan-National
19h 52m
2 stops
CAG8:50 pmCagliari Elmas
Aug 1
CAG11:40 amCagliari Elmas
17h 30m
2 stops
DCA11:10 pmWashington, D.C. Reagan-National
$1,641
British Airways
Jun 30
DCA6:59 pmWashington, D.C. Reagan-National
18h 21m
2 stops
CAG7:20 pmCagliari Elmas
Jul 16
CAG9:25 pmCagliari Elmas
30h 05m
2 stops
DCA9:30 pmWashington, D.C. Reagan-National
$4,454

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
Apr 11
DCA6:59 amWashington, D.C. Reagan-National
29h 16m
2 stops
CAG6:15 pmCagliari Elmas
Apr 18
CAG9:10 amCagliari Elmas
29h 43m
2 stops
DCA8:53 amWashington, D.C. Reagan-National
$1,039
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
40h 47m
2 stops
DCA7:57 pmWashington, D.C. Reagan-National
$1,527

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 February 19, 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

Wed 3/4

6:00 am-8:40 pm

2 stops32h 40m

Cagliari Elmas

Sun 3/8

8:15 pm-9:56 pm

3 stops30h 41m

$623

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 3/4

6:50 pm-8:40 pm

3 stops19h 50m

Cagliari Elmas

Sun 3/8

8:15 pm-9:56 pm

3 stops30h 41m

$651

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 3/15

4:10 pm-8:30 pm

3 stops23h 20m

Cagliari Elmas

Sun 3/22

8:30 pm-7:45 pm

3 stops28h 15m

$819

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 8/2

6:58 pm-7:10 pm

2 stops18h 12m

Cagliari Elmas

Wed 8/19

8:15 pm-8:16 pm

2 stops30h 01m

$1,004

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 4/11

6:59 am-6:15 pm

2 stops29h 16m

Cagliari Elmas

Sat 4/18

9:10 am-8:53 am

2 stops29h 43m

$1,039

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 4/1

11:05 am-4:20 pm

3 stops23h 15m

Cagliari Elmas

Wed 4/8

8:00 am-10:43 pm

3 stops20h 43m

$1,046

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 4/18

11:05 am-6:15 pm

2 stops25h 10m

Cagliari Elmas

Sat 4/25

9:10 am-10:43 pm

2 stops19h 33m

$1,100

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 4/1

6:59 am-6:10 pm

2 stops29h 11m

Cagliari Elmas

Wed 4/8

6:35 pm-9:53 pm

2 stops33h 18m

$1,101

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 4/7

12:16 pm-4:25 pm

2 stops22h 09m

Cagliari Elmas

Mon 4/13

5:05 pm-6:59 pm

2 stops31h 54m

$1,137

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 4/4

8:40 pm-5:05 pm

2 stops38h 25m

Cagliari Elmas

Sat 4/11

6:35 pm-6:03 pm

2 stops29h 28m

$1,232

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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?

British Airways 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 12m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Cagliari takes 18h 12m
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 12m, 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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