Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to Cagliari from $454

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 9/5. 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
1 adult, Economy, 0 bags

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
4:00 pm - 5:30 pm
DCA
-
CAG
20h 30m
2 stops
Multiple Airlines Logo
7:00 pm - 10:29 am
CAG
-
DCA
45h 29m
2 stops
$940Multiple Airlines
Sat, Oct 31 - Mon, Nov 16
Multiple Airlines Logo
4:00 pm - 5:30 pm
DCA
-
CAG
20h 30m
2 stops
Multiple Airlines Logo
7:00 pm - 8:58 am
CAG
-
DCA
43h 58m
3 stops
$945Multiple Airlines
Sat, Oct 31 - Mon, Nov 16
KLM Logo
7:35 pm - 4:25 pm
DCA
-
CAG
14h 50m
2 stops
KLM Logo
5:05 pm - 4:34 pm
CAG
-
DCA
29h 29m
2 stops
$949KLM
Wed, Aug 26 - Wed, Sep 2
Delta Logo
12:55 pm - 11:45 am
DCA
-
CAG
16h 50m
2 stops
Delta Logo
5:05 pm - 4:34 pm
CAG
-
DCA
29h 29m
2 stops
$977Delta
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
5:45 pm - 12:35 pm
DCA
-
CAG
36h 50m
2 stops
Multiple Airlines Logo
1:20 pm - 10:03 am
CAG
-
DCA
26h 43m
2 stops
$997Multiple Airlines
Tue, Jan 19 - Thu, Jan 28
Multiple Airlines Logo
1:30 pm - 12:35 pm
DCA
-
CAG
41h 05m
2 stops
Multiple Airlines Logo
1:20 pm - 10:03 am
CAG
-
DCA
26h 43m
2 stops
$997Multiple Airlines
Tue, Jan 19 - Thu, Jan 28
Delta Logo
7:25 pm - 4:25 pm
DCA
-
CAG
15h 00m
2 stops
Delta Logo
5:05 pm - 5:30 pm
CAG
-
DCA
30h 25m
2 stops
$1,035Delta
Tue, Sep 15 - Wed, Sep 23
Delta Logo
12:55 pm - 4:25 pm
DCA
-
CAG
21h 30m
2 stops
Delta Logo
5:05 pm - 6:37 pm
CAG
-
DCA
31h 32m
2 stops
$1,074Delta
Tue, Sep 1 - Mon, Sep 7
British Airways Logo
5:35 pm - 7:25 pm
DCA
-
CAG
19h 50m
2 stops
British Airways Logo
2:00 pm - 9:30 pm
CAG
-
DCA
37h 30m
2 stops
$1,083British Airways
Tue, Sep 1 - Tue, Sep 15
Delta Logo
12:32 pm - 4:25 pm
DCA
-
CAG
21h 53m
2 stops
Delta Logo
5:05 pm - 7:53 pm
CAG
-
DCA
32h 48m
2 stops
$1,085Delta
Thu, Sep 10 - Thu, Sep 17

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

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
Jul 29
DCA11:47 amWashington, D.C. Reagan-National
17h 58m
2 stops
CAG11:45 amCagliari Elmas
Aug 24
CAG5:05 pmCagliari Elmas
31h 40m
2 stops
DCA6:45 pmWashington, D.C. Reagan-National
$930
Delta
Aug 26
DCA12:55 pmWashington, D.C. Reagan-National
16h 50m
2 stops
CAG11:45 amCagliari Elmas
Sep 1
CAG5:05 pmCagliari Elmas
29h 29m
2 stops
DCA4:34 pmWashington, D.C. Reagan-National
$977
Delta
Jul 29
DCA11:00 amWashington, D.C. Reagan-National
18h 45m
2 stops
CAG11:45 amCagliari Elmas
Aug 23
CAG5:05 pmCagliari Elmas
29h 54m
2 stops
DCA4:59 pmWashington, D.C. Reagan-National
$980

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
Sep 1
DCA5:35 pmWashington, D.C. Reagan-National
19h 50m
2 stops
CAG7:25 pmCagliari Elmas
Sep 15
CAG2:00 pmCagliari Elmas
37h 30m
2 stops
DCA9:30 pmWashington, D.C. Reagan-National
$1,083
British Airways
Sep 5
DCA8:42 pmWashington, D.C. Reagan-National
40h 28m
2 stops
CAG7:10 pmCagliari Elmas
Sep 19
CAG10:00 pmCagliari Elmas
53h 30m
2 stops
DCA9:30 pmWashington, D.C. Reagan-National
$1,172

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 July 28, 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

Sat 10/31

4:00 pm-5:30 pm

2 stops20h 30m

Cagliari Elmas

Mon 11/16

7:00 pm-10:29 am

2 stops45h 29m

$940

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 10/31

4:00 pm-5:30 pm

2 stops20h 30m

Cagliari Elmas

Mon 11/16

7:00 pm-8:58 am

3 stops43h 58m

$945
Quickest round-trip

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 8/26

7:35 pm-4:25 pm

2 stops14h 50m

Cagliari Elmas

Wed 9/2

5:05 pm-4:34 pm

2 stops29h 29m

$949

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 8/26

12:55 pm-11:45 am

2 stops16h 50m

Cagliari Elmas

Tue 9/1

5:05 pm-4:34 pm

2 stops29h 29m

$977

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 1/19

5:45 pm-12:35 pm

2 stops36h 50m

Cagliari Elmas

Thu 1/28

1:20 pm-10:03 am

2 stops26h 43m

$997

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 1/19

1:30 pm-12:35 pm

2 stops41h 05m

Cagliari Elmas

Thu 1/28

1:20 pm-10:03 am

2 stops26h 43m

$997

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 9/15

7:25 pm-4:25 pm

2 stops15h 00m

Cagliari Elmas

Wed 9/23

5:05 pm-5:30 pm

2 stops30h 25m

$1,035

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 9/1

12:55 pm-4:25 pm

2 stops21h 30m

Cagliari Elmas

Mon 9/7

5:05 pm-6:37 pm

2 stops31h 32m

$1,074

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 9/1

5:35 pm-7:25 pm

2 stops19h 50m

Cagliari Elmas

Tue 9/15

2:00 pm-9:30 pm

2 stops37h 30m

$1,083

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 9/10

12:32 pm-4:25 pm

2 stops21h 53m

Cagliari Elmas

Thu 9/17

5:05 pm-7:53 pm

2 stops32h 48m

$1,085

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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?

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

14h 50m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Cagliari takes 14h 50m
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 50m, 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.

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
Thu 8/27
Thu 9/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Italy