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Cheap flights from Washington, D.C. Reagan-National Airport to Cagliari from $485

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 8/14. 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.
Delta Logo
5:00 pm - 6:00 pm
DCA
-
CAG
19h 00m
2 stops
Delta Logo
12:30 pm - 11:26 pm
CAG
-
DCA
16h 56m
2 stops
$1,008Delta
Sat, Aug 8 - Thu, Aug 20
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
$1,020Air Canada
Fri, Aug 14 - Sat, Aug 22
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
$1,075KLM
Tue, Sep 1 - Mon, Sep 7
Multiple Airlines Logo
6:00 am - 5:00 pm
DCA
-
CAG
29h 00m
3 stops
Multiple Airlines Logo
6:00 am - 9:55 pm
CAG
-
DCA
21h 55m
2 stops
$1,099Multiple Airlines
Sat, May 30 - Sat, Jun 6
Air Canada Logo
8:40 pm - 6:15 pm
DCA
-
CAG
39h 35m
2 stops
Air Canada Logo
9:10 am - 7:57 pm
CAG
-
DCA
40h 47m
2 stops
$1,123Air Canada
Fri, Aug 14 - Sat, Aug 22
Multiple Airlines Logo
11:00 am - 6:10 pm
DCA
-
CAG
25h 10m
2 stops
Multiple Airlines Logo
6:35 pm - 9:48 pm
CAG
-
DCA
33h 13m
2 stops
$1,126Multiple Airlines
Wed, Aug 19 - Mon, Aug 31
KLM Logo
7:30 pm - 4:25 pm
DCA
-
CAG
14h 55m
2 stops
KLM Logo
5:05 pm - 4:57 pm
CAG
-
DCA
29h 52m
2 stops
$1,135KLM
Thu, Oct 8 - Tue, Oct 13
British Airways Logo
4:01 pm - 9:10 pm
DCA
-
CAG
23h 09m
2 stops
British Airways Logo
8:40 pm - 11:02 pm
CAG
-
DCA
32h 22m
2 stops
$1,151British Airways
Fri, Sep 11 - Fri, Sep 18
Multiple Airlines Logo
4:10 pm - 4:20 pm
DCA
-
CAG
18h 10m
2 stops
Multiple Airlines Logo
7:30 am - 10:19 am
CAG
-
DCA
32h 49m
3 stops
$1,242Multiple Airlines
Mon, Apr 27 - Fri, May 1
Multiple Airlines Logo
6:55 pm - 5:00 pm
DCA
-
CAG
16h 05m
2 stops
Multiple Airlines Logo
6:00 am - 9:55 pm
CAG
-
DCA
21h 55m
2 stops
$1,256Multiple Airlines
Sat, May 30 - Sat, Jun 6

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
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
$1,075
KLM
Jun 16
DCA7:59 pmWashington, D.C. Reagan-National
14h 26m
2 stops
CAG4:25 pmCagliari Elmas
Jun 23
CAG5:05 pmCagliari Elmas
29h 29m
2 stops
DCA4:34 pmWashington, D.C. Reagan-National
$1,379
KLM
Jun 17
DCA7:59 pmWashington, D.C. Reagan-National
14h 26m
2 stops
CAG4:25 pmCagliari Elmas
Jun 23
CAG5:05 pmCagliari Elmas
29h 29m
2 stops
DCA4:34 pmWashington, D.C. Reagan-National
$1,533

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
DCA8:40 pmWashington, D.C. Reagan-National
39h 35m
2 stops
CAG6:15 pmCagliari Elmas
Aug 22
CAG9:10 amCagliari Elmas
43h 21m
2 stops
DCA10:31 pmWashington, D.C. Reagan-National
$1,020
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
43h 21m
2 stops
DCA10:31 pmWashington, D.C. Reagan-National
$1,123

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 16, 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
Quickest round-trip

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 8/8

5:00 pm-6:00 pm

2 stops19h 00m

Cagliari Elmas

Thu 8/20

12:30 pm-11:26 pm

2 stops16h 56m

$1,008

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

$1,020

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

$1,075

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 5/30

6:00 am-5:00 pm

3 stops29h 00m

Cagliari Elmas

Sat 6/6

6:00 am-9:55 pm

2 stops21h 55m

$1,099

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-7:57 pm

2 stops40h 47m

$1,123

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 8/19

11:00 am-6:10 pm

2 stops25h 10m

Cagliari Elmas

Mon 8/31

6:35 pm-9:48 pm

2 stops33h 13m

$1,126

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 10/8

7:30 pm-4:25 pm

2 stops14h 55m

Cagliari Elmas

Tue 10/13

5:05 pm-4:57 pm

2 stops29h 52m

$1,135

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 9/11

4:01 pm-9:10 pm

2 stops23h 09m

Cagliari Elmas

Fri 9/18

8:40 pm-11:02 pm

2 stops32h 22m

$1,151

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Mon 4/27

4:10 pm-4:20 pm

2 stops18h 10m

Cagliari Elmas

Fri 5/1

7:30 am-10:19 am

3 stops32h 49m

$1,242

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 5/30

6:55 pm-5:00 pm

2 stops16h 05m

Cagliari Elmas

Sat 6/6

6:00 am-9:55 pm

2 stops21h 55m

$1,256

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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, Air Canada, and Scandinavian Airlines 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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