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Cheap flights from Washington, D.C. Reagan-National Airport to Cagliari from $594

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 4/24. 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.
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
$915Air Canada
Fri, Aug 14 - Sat, Aug 22
Multiple Airlines Logo
9:40 am - 10:50 pm
DCA
-
CAG
31h 10m
3 stops
Multiple Airlines Logo
7:50 am - 10:33 pm
CAG
-
DCA
20h 43m
3 stops
$1,012Multiple Airlines
Fri, Apr 24 - Tue, Apr 28
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
$1,023KLM
Sun, Apr 26 - Mon, May 11
KLM Logo
7:56 pm - 4:25 pm
DCA
-
CAG
14h 29m
2 stops
KLM Logo
5:05 pm - 4:36 pm
CAG
-
DCA
29h 31m
2 stops
$1,073KLM
Fri, Apr 24 - Tue, Apr 28
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
Multiple Airlines Logo
6:00 am - 9:05 am
DCA
-
CAG
45h 05m
3 stops
Multiple Airlines Logo
10:50 am - 12:00 pm
CAG
-
DCA
31h 10m
3 stops
$1,075Multiple Airlines
Tue, Jun 16 - Sun, Jun 28
Multiple Airlines Logo
6:00 am - 9:05 am
DCA
-
CAG
45h 05m
3 stops
Multiple Airlines Logo
10:50 am - 10:18 am
CAG
-
DCA
29h 28m
2 stops
$1,102Multiple Airlines
Tue, Jun 16 - Sun, Jun 28
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
$1,110KLM
Tue, Sep 1 - Mon, Sep 7
Multiple Airlines Logo
1:45 pm - 11:45 am
DCA
-
CAG
16h 00m
2 stops
Multiple Airlines Logo
5:05 pm - 4:29 pm
CAG
-
DCA
29h 24m
2 stops
$1,120Multiple Airlines
Wed, Aug 19 - Mon, Aug 31
Delta Logo
5:00 pm - 4:25 pm
DCA
-
CAG
17h 25m
2 stops
Delta Logo
5:05 pm - 7:20 pm
CAG
-
DCA
32h 15m
2 stops
$1,124Delta
Tue, Sep 1 - Mon, Sep 7

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
DCA7:56 pmWashington, D.C. Reagan-National
14h 29m
2 stops
CAG4:25 pmCagliari Elmas
May 11
CAG5:05 pmCagliari Elmas
29h 28m
2 stops
DCA4:33 pmWashington, D.C. Reagan-National
$1,023
KLM
Apr 24
DCA7:56 pmWashington, D.C. Reagan-National
14h 29m
2 stops
CAG4:25 pmCagliari Elmas
Apr 28
CAG5:05 pmCagliari Elmas
29h 31m
2 stops
DCA4:36 pmWashington, D.C. Reagan-National
$1,073
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

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
May 1
DCA5:59 pmWashington, D.C. Reagan-National
19h 56m
2 stops
CAG7:55 pmCagliari Elmas
May 5
CAG9:35 amCagliari Elmas
39h 23m
2 stops
DCA6:58 pmWashington, D.C. Reagan-National
$2,348
Iberia
Jul 4
DCA10:25 amWashington, D.C. Reagan-National
40h 25m
2 stops
CAG8:50 amCagliari Elmas
Jul 14
CAG11:50 pmCagliari Elmas
53h 32m
2 stops
DCA11:22 pmWashington, D.C. Reagan-National
$2,498

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 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

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

$915

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 4/24

9:40 am-10:50 pm

3 stops31h 10m

Cagliari Elmas

Tue 4/28

7:50 am-10:33 pm

3 stops20h 43m

$1,012

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 4/26

7:56 pm-4:25 pm

2 stops14h 29m

Cagliari Elmas

Mon 5/11

5:05 pm-4:33 pm

2 stops29h 28m

$1,023

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 4/24

7:56 pm-4:25 pm

2 stops14h 29m

Cagliari Elmas

Tue 4/28

5:05 pm-4:36 pm

2 stops29h 31m

$1,073
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 6/16

6:00 am-9:05 am

3 stops45h 05m

Cagliari Elmas

Sun 6/28

10:50 am-12:00 pm

3 stops31h 10m

$1,075

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 6/16

6:00 am-9:05 am

3 stops45h 05m

Cagliari Elmas

Sun 6/28

10:50 am-10:18 am

2 stops29h 28m

$1,102

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

$1,110

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 8/19

1:45 pm-11:45 am

2 stops16h 00m

Cagliari Elmas

Mon 8/31

5:05 pm-4:29 pm

2 stops29h 24m

$1,120

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-7:20 pm

2 stops32h 15m

$1,124

Flights are sorted by cheapest round-trip flights 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?

Scandinavian Airlines and Iberia 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

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?

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