Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to Cagliari from $568

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 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
3:15 pm - 6:00 pm
DCA
-
CAG
20h 45m
2 stops
Delta Logo
5:05 pm - 5:51 pm
CAG
-
DCA
30h 46m
2 stops
$980Delta
Sun, Aug 9 - Mon, Aug 17
Multiple Airlines Logo
6:59 pm - 4:25 pm
DCA
-
CAG
15h 26m
2 stops
Multiple Airlines Logo
8:10 pm - 4:34 pm
CAG
-
DCA
26h 24m
2 stops
$992Multiple Airlines
Tue, Jul 21 - Wed, Jul 29
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
19h 21m
2 stops
$999Air Canada
Fri, Aug 14 - Sat, Aug 22
Multiple Airlines Logo
4:20 pm - 6:15 pm
DCA
-
CAG
19h 55m
2 stops
Multiple Airlines Logo
6:35 pm - 9:48 pm
CAG
-
DCA
33h 13m
2 stops
$1,001Multiple Airlines
Thu, Aug 13 - Fri, Aug 21
Air Canada Logo
6:55 pm - 6:15 pm
DCA
-
CAG
41h 20m
2 stops
Air Canada Logo
9:10 am - 10:31 pm
CAG
-
DCA
43h 21m
2 stops
$1,020Air Canada
Fri, Aug 14 - Sat, Aug 22
KLM Logo
7:35 pm - 4:25 pm
DCA
-
CAG
14h 50m
2 stops
KLM Logo
5:05 pm - 5:07 pm
CAG
-
DCA
30h 02m
2 stops
$1,075KLM
Tue, Sep 1 - Mon, Sep 7
Multiple Airlines Logo
6:59 am - 10:55 pm
DCA
-
CAG
33h 56m
3 stops
Multiple Airlines Logo
11:40 pm - 9:48 pm
CAG
-
DCA
28h 08m
3 stops
$1,076Multiple Airlines
Sun, Aug 9 - Mon, Aug 17
Multiple Airlines Logo
4:20 pm - 5:45 pm
DCA
-
CAG
19h 25m
2 stops
Multiple Airlines Logo
6:35 pm - 10:31 pm
CAG
-
DCA
33h 56m
2 stops
$1,089Multiple Airlines
Fri, Jul 24 - Wed, Jul 29
Multiple Airlines Logo
11:00 am - 5:05 pm
DCA
-
CAG
24h 05m
2 stops
Multiple Airlines Logo
11:40 pm - 9:48 pm
CAG
-
DCA
28h 08m
3 stops
$1,118Multiple Airlines
Sun, Aug 9 - Mon, Aug 17
KLM Logo
7:59 pm - 4:25 pm
DCA
-
CAG
14h 26m
2 stops
KLM Logo
5:05 pm - 4:31 pm
CAG
-
DCA
29h 26m
2 stops
$1,135KLM
Thu, Oct 8 - Mon, Oct 12

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
Sep 1
DCA7:35 pmWashington, D.C. Reagan-National
14h 50m
2 stops
CAG4:25 pmCagliari Elmas
Sep 7
CAG5:05 pmCagliari Elmas
30h 02m
2 stops
DCA5:07 pmWashington, D.C. Reagan-National
$1,075
KLM
Oct 8
DCA7:59 pmWashington, D.C. Reagan-National
14h 26m
2 stops
CAG4:25 pmCagliari Elmas
Oct 12
CAG5:05 pmCagliari Elmas
29h 26m
2 stops
DCA4:31 pmWashington, D.C. Reagan-National
$1,135
KLM
Sep 2
DCA5:00 pmWashington, D.C. Reagan-National
17h 25m
2 stops
CAG4:25 pmCagliari Elmas
Sep 20
CAG5:05 pmCagliari Elmas
29h 35m
2 stops
DCA4:40 pmWashington, D.C. Reagan-National
$1,140

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
Aug 9
DCA3:15 pmWashington, D.C. Reagan-National
20h 45m
2 stops
CAG6:00 pmCagliari Elmas
Aug 17
CAG5:05 pmCagliari Elmas
30h 46m
2 stops
DCA5:51 pmWashington, D.C. Reagan-National
$980
Delta
Jul 10
DCA11:00 amWashington, D.C. Reagan-National
18h 45m
2 stops
CAG11:45 amCagliari Elmas
Jul 17
CAG12:30 pmCagliari Elmas
16h 29m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,143
Delta
Sep 4
DCA5:00 pmWashington, D.C. Reagan-National
19h 00m
2 stops
CAG6:00 pmCagliari Elmas
Sep 20
CAG5:05 pmCagliari Elmas
32h 45m
2 stops
DCA7:50 pmWashington, D.C. Reagan-National
$1,190

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 May 29, 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

3:15 pm-6:00 pm

2 stops20h 45m

Cagliari Elmas

Mon 8/17

5:05 pm-5:51 pm

2 stops30h 46m

$980
Quickest round-trip

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 7/21

6:59 pm-4:25 pm

2 stops15h 26m

Cagliari Elmas

Wed 7/29

8:10 pm-4:34 pm

2 stops26h 24m

$992

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 stops19h 21m

$999

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 8/13

4:20 pm-6:15 pm

2 stops19h 55m

Cagliari Elmas

Fri 8/21

6:35 pm-9:48 pm

2 stops33h 13m

$1,001

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-10:31 pm

2 stops43h 21m

$1,020

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 9/1

7:35 pm-4:25 pm

2 stops14h 50m

Cagliari Elmas

Mon 9/7

5:05 pm-5:07 pm

2 stops30h 02m

$1,075

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 8/9

6:59 am-10:55 pm

3 stops33h 56m

Cagliari Elmas

Mon 8/17

11:40 pm-9:48 pm

3 stops28h 08m

$1,076

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 7/24

4:20 pm-5:45 pm

2 stops19h 25m

Cagliari Elmas

Wed 7/29

6:35 pm-10:31 pm

2 stops33h 56m

$1,089

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 8/9

11:00 am-5:05 pm

2 stops24h 05m

Cagliari Elmas

Mon 8/17

11:40 pm-9:48 pm

3 stops28h 08m

$1,118

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 10/8

7:59 pm-4:25 pm

2 stops14h 26m

Cagliari Elmas

Mon 10/12

5:05 pm-4:31 pm

2 stops29h 26m

$1,135

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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 France 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

14h 26m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Cagliari takes 14h 26m
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 26m, 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
Arbatax
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.

An easier way to manage your Cagliari trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 6/28
Sun 7/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Italy