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Cheap flights from Washington, D.C. to Cagliari from $386

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. to Cagliari departing on 4/19. 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. to Cagliari

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:30 pm - 11:00 pm
IAD
-
CAG
18h 30m2 stops
Multiple Airlines Logo
7:30 am - 9:00 pm
CAG
-
IAD
19h 30m2 stops
$578Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
9:00 am - 10:30 pm
IAD
-
CAG
31h 30m3 stops
Multiple Airlines Logo
7:00 pm - 3:50 pm
CAG
-
IAD
26h 50m2 stops
$729Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
10:30 pm - 10:30 pm
IAD
-
CAG
18h 00m2 stops
Multiple Airlines Logo
1:55 pm - 3:15 pm
CAG
-
IAD
31h 20m3 stops
$833Multiple Airlines
Wed, Dec 31 - Wed, Jan 14
Multiple Airlines Logo
10:30 pm - 7:35 pm
IAD
-
CAG
15h 05m2 stops
Multiple Airlines Logo
7:50 pm - 3:15 pm
CAG
-
IAD
25h 25m2 stops
$844Multiple Airlines
Wed, Dec 31 - Wed, Jan 14
Multiple Airlines Logo
9:00 pm - 11:05 am
IAD
-
CAG
32h 05m1 stop
Multiple Airlines Logo
3:10 pm - 3:05 pm
CAG
-
IAD
29h 55m2 stops
$852Multiple Airlines
Tue, Mar 31 - Wed, Apr 8
Multiple Airlines Logo
9:00 pm - 11:05 am
IAD
-
CAG
32h 05m1 stop
Multiple Airlines Logo
8:35 pm - 3:05 pm
CAG
-
IAD
24h 30m2 stops
$941Multiple Airlines
Tue, Mar 31 - Thu, Apr 2
Delta Logo
6:05 am - 4:25 pm
DCA
-
CAG
28h 20m2 stops
Delta Logo
5:05 pm - 7:09 pm
CAG
-
DCA
32h 04m2 stops
$1,135Delta
Sun, May 10 - Thu, May 21
Delta Logo
6:05 am - 4:25 pm
DCA
-
CAG
28h 20m2 stops
Delta Logo
5:05 pm - 6:11 pm
CAG
-
DCA
31h 06m2 stops
$1,195Delta
Sun, May 10 - Sun, May 17
Air Canada Logo
8:40 pm - 4:05 pm
DCA
-
CAG
38h 25m2 stops
Air Canada Logo
9:10 am - 3:30 pm
CAG
-
DCA
36h 20m2 stops
$1,428Air Canada
Sat, Mar 28 - Sat, Apr 4
British Airways Logo
7:00 pm - 7:10 pm
DCA
-
CAG
18h 10m2 stops
British Airways Logo
1:20 pm - 7:59 am
CAG
-
DCA
24h 39m2 stops
$1,915British Airways
Sun, May 31 - Sun, Jul 5

Lufthansa flights from Washington, D.C. to Cagliari

Our best Lufthansa deals on Washington, D.C. to Cagliari flight tickets
Lufthansa
May 10
IAD10:20 pmWashington, D.C. Dulles Intl
13h 25m
1 stop
CAG5:45 pmCagliari Elmas
May 19
CAG6:35 pmCagliari Elmas
30h 50m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
$1,118
Find similar
Lufthansa
May 11
IAD10:20 pmWashington, D.C. Dulles Intl
13h 25m
1 stop
CAG5:45 pmCagliari Elmas
May 19
CAG6:35 pmCagliari Elmas
30h 50m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
$1,124
Find similar
Lufthansa
May 10
IAD10:20 pmWashington, D.C. Dulles Intl
13h 25m
1 stop
CAG5:45 pmCagliari Elmas
May 21
CAG6:35 pmCagliari Elmas
26h 30m
1 stop
IAD3:05 pmWashington, D.C. Dulles Intl
$1,129
Find similar

SWISS flights from Washington, D.C. to Cagliari

Our best SWISS deals on Washington, D.C. to Cagliari flight tickets
SWISS
May 12
IAD8:20 pmWashington, D.C. Dulles Intl
17h 25m
1 stop
CAG7:45 pmCagliari Elmas
May 21
CAG8:45 amCagliari Elmas
12h 45m
1 stop
IAD3:30 pmWashington, D.C. Dulles Intl
$1,120
Find similar
SWISS
May 12
IAD9:50 pmWashington, D.C. Dulles Intl
28h 00m
2 stops
CAG7:50 amCagliari Elmas
May 18
CAG9:10 pmCagliari Elmas
25h 35m
1 stop
IAD4:45 pmWashington, D.C. Dulles Intl
$1,128
Find similar
SWISS
May 12
IAD6:25 pmWashington, D.C. Dulles Intl
31h 25m
2 stops
CAG7:50 amCagliari Elmas
May 20
CAG8:30 pmCagliari Elmas
47h 30m
2 stops
IAD2:00 pmWashington, D.C. Dulles Intl
$1,147
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Cagliari that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 1/30

10:30 pm-11:00 pm

2 stops18h 30m

Cagliari Elmas

Fri 2/6

7:30 am-9:00 pm

2 stops19h 30m

$578

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 1/30

9:00 am-10:30 pm

3 stops31h 30m

Cagliari Elmas

Fri 2/6

7:00 pm-3:50 pm

2 stops26h 50m

$729

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Wed 12/31

10:30 pm-10:30 pm

2 stops18h 00m

Cagliari Elmas

Wed 1/14

1:55 pm-3:15 pm

3 stops31h 20m

$833

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Wed 12/31

10:30 pm-7:35 pm

2 stops15h 05m

Cagliari Elmas

Wed 1/14

7:50 pm-3:15 pm

2 stops25h 25m

$844

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Tue 3/31

9:00 pm-11:05 am

1 stop32h 05m

Cagliari Elmas

Wed 4/8

3:10 pm-3:05 pm

2 stops29h 55m

$852

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Tue 3/31

9:00 pm-11:05 am

1 stop32h 05m

Cagliari Elmas

Thu 4/2

8:35 pm-3:05 pm

2 stops24h 30m

$941

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 5/10

6:05 am-4:25 pm

2 stops28h 20m

Cagliari Elmas

Thu 5/21

5:05 pm-7:09 pm

2 stops32h 04m

$1,135

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 5/10

6:05 am-4:25 pm

2 stops28h 20m

Cagliari Elmas

Sun 5/17

5:05 pm-6:11 pm

2 stops31h 06m

$1,195

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 3/28

8:40 pm-4:05 pm

2 stops38h 25m

Cagliari Elmas

Sat 4/4

9:10 am-3:30 pm

2 stops36h 20m

$1,428

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 5/31

7:00 pm-7:10 pm

2 stops18h 10m

Cagliari Elmas

Sun 7/5

1:20 pm-7:59 am

2 stops24h 39m

$1,915

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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. 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 day to depart on your flight to Cagliari?

The cheapest day to depart from Washington, D.C. to Cagliari is on a Wednesday when prices can be found for as low as $930. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,586.

What is the cheapest time of day to depart on your flight to Cagliari?

Our most recent data shows that the best time of day to fly to Cagliari is in the morning. Flights from Washington, D.C. to Cagliari during this time can be as low as $780. Try not to purchase tickets in the evening because they tend to be around $1,648. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Washington, D.C. to Cagliari

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Cagliari (WAS to CAG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Cagliari

Fastest flight time

13h 50m

Direct flights

None
The fastest flight from Washington, D.C. to Cagliari takes 13h 50m
There are no direct flights from Washington, D.C. to Cagliari. There are no popular flight routes from Washington, D.C. to Cagliari.
Search flight deals

  • How far is Washington, D.C. to Cagliari Elmas by plane?

    Washington, D.C. and Cagliari Elmas are 4422.5 mi apart from one another. Typically, this will take 13h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. to Cagliari Elmas Airport?

    Prices for flights from Washington, D.C. to Cagliari Elmas Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. to Cagliari Elmas Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Cagliari Elmas Airport.

  • What documentation or ID do you need to fly to Cagliari Elmas Airport?

    The travel and health documents you'll need for your trip to Cagliari Elmas Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cagliari Elmas Airport. It is always advisable to seek 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?

Finding the right flight to Cagliari from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cagliari quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Cagliari with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Cagliari flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Cagliari?

momondo provides multiple filters to help you find the best flight to Cagliari from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to Cagliari right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Cagliari flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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