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Cheap flights from Washington, D.C. to Cagliari from $569

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 9/29. 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

Logo
8:30 pm - 11:40 pmIAD-CAG
21h 10m2 stops
Logo
7:30 am - 10:10 pmCAG-IAD
20h 40m2 stops
$665
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Wed, Aug 13 - Wed, Aug 20
Logo
12:55 pm - 8:40 pmDCA-CAG
25h 45m3 stops
Logo
7:45 am - 10:20 amCAG-DCA
32h 35m2 stops
$676
Find Deal
Mon, Sep 8 - Mon, Sep 15
SWISS Logo
8:45 pm - 9:15 amIAD-CAG
30h 30m1 stop
SWISS Logo
9:10 pm - 4:15 pmCAG-IAD
25h 05m1 stop
$712SWISS
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Mon, Sep 8 - Mon, Sep 15
SWISS Logo
8:45 pm - 8:25 pmIAD-CAG
17h 40m1 stop
SWISS Logo
8:55 am - 4:15 pmCAG-IAD
13h 20m1 stop
$713SWISS
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Sun, Oct 12 - Tue, Oct 21
British Airways Logo
9:35 pm - 8:50 pmBWI-CAG
17h 15m1 stop
British Airways Logo
9:25 pm - 7:45 pmCAG-BWI
28h 20m1 stop
$740British Airways
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Fri, Aug 29 - Thu, Sep 4
British Airways Logo
7:06 pm - 2:05 pmDCA-CAG
36h 59m2 stops
British Airways Logo
2:55 pm - 10:57 pmCAG-DCA
38h 02m2 stops
$742British Airways
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Sun, Oct 12 - Tue, Oct 21
Lufthansa Logo
10:20 pm - 5:35 pmIAD-CAG
13h 15m1 stop
Lufthansa Logo
6:25 pm - 1:30 pmCAG-IAD
25h 05m2 stops
$755Lufthansa
Find Deal
Fri, Sep 26 - Wed, Oct 1
Lufthansa Logo
10:20 pm - 5:35 pmIAD-CAG
13h 15m1 stop
Lufthansa Logo
7:25 pm - 3:50 pmCAG-IAD
26h 25m1 stop
$765Lufthansa
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Fri, Oct 17 - Sun, Oct 19
Iberia Logo
4:35 pm - 6:50 pmIAD-CAG
20h 15m1 stop
Iberia Logo
9:30 pm - 10:57 amCAG-IAD
43h 27m2 stops
$785Iberia
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Mon, Aug 25 - Tue, Sep 2
Iberia Logo
4:35 pm - 6:50 pmIAD-CAG
20h 15m1 stop
Iberia Logo
11:55 pm - 10:57 amCAG-IAD
41h 02m2 stops
$792Iberia
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Mon, Aug 25 - Mon, Sep 1

Lufthansa flights from Washington, D.C. to Cagliari

Our best Lufthansa deals on Washington, D.C. to Cagliari flight tickets
Lufthansa
Sep 26
IAD10:20 pmWashington, D.C. Dulles Intl
13h 15m
1 stop
CAG5:35 pmCagliari Elmas
Oct 1
CAG6:25 pmCagliari Elmas
25h 05m
2 stops
IAD1:30 pmWashington, D.C. Dulles Intl
$755
Find similar
Lufthansa
Oct 17
IAD10:20 pmWashington, D.C. Dulles Intl
13h 15m
1 stop
CAG5:35 pmCagliari Elmas
Oct 19
CAG7:25 pmCagliari Elmas
26h 25m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$765
Find similar
Lufthansa
Aug 14
IAD10:20 pmWashington, D.C. Dulles Intl
13h 15m
1 stop
CAG5:35 pmCagliari Elmas
Aug 18
CAG7:25 pmCagliari Elmas
26h 25m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$783
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Delta flights from Washington, D.C. to Cagliari

Our best Delta deals on Washington, D.C. to Cagliari flight tickets
Delta
Aug 13
BWI5:15 pmBaltimore/Washington
18h 45m
2 stops
CAG6:00 pmCagliari Elmas
Aug 20
CAG5:05 pmCagliari Elmas
30h 15m
2 stops
BWI5:20 pmBaltimore/Washington
$1,063
Find similar
Delta
Aug 14
DCA7:55 pmWashington, D.C. Reagan-National
14h 30m
2 stops
CAG4:25 pmCagliari Elmas
Aug 18
CAG5:05 pmCagliari Elmas
29h 28m
2 stops
DCA4:33 pmWashington, D.C. Reagan-National
$1,138
Find similar
Delta
Aug 14
BWI5:15 pmBaltimore/Washington
18h 45m
2 stops
CAG6:00 pmCagliari Elmas
Aug 18
CAG5:05 pmCagliari Elmas
29h 47m
2 stops
BWI4:52 pmBaltimore/Washington
$1,237
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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 July 30, 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

Wed 8/13

8:30 pm-11:40 pm

2 stops21h 10m

Cagliari Elmas

Wed 8/20

7:30 am-10:10 pm

2 stops20h 40m

$665

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Mon 9/8

12:55 pm-8:40 pm

3 stops25h 45m

Cagliari Elmas

Mon 9/15

7:45 am-10:20 am

2 stops32h 35m

$676

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Mon 9/8

8:45 pm-9:15 am

1 stop30h 30m

Cagliari Elmas

Mon 9/15

9:10 pm-4:15 pm

1 stop25h 05m

$712

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Sun 10/12

8:45 pm-8:25 pm

1 stop17h 40m

Cagliari Elmas

Tue 10/21

8:55 am-4:15 pm

1 stop13h 20m

$713

BaltimoreCagliari

BWI - CAG

BWICAG

Baltimore/Washington

Fri 8/29

9:35 pm-8:50 pm

1 stop17h 15m

Cagliari Elmas

Thu 9/4

9:25 pm-7:45 pm

1 stop28h 20m

$740

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 10/12

7:06 pm-2:05 pm

2 stops36h 59m

Cagliari Elmas

Tue 10/21

2:55 pm-10:57 pm

2 stops38h 02m

$742

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 9/26

10:20 pm-5:35 pm

1 stop13h 15m

Cagliari Elmas

Wed 10/1

6:25 pm-1:30 pm

2 stops25h 05m

$755

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 10/17

10:20 pm-5:35 pm

1 stop13h 15m

Cagliari Elmas

Sun 10/19

7:25 pm-3:50 pm

1 stop26h 25m

$765

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Mon 8/25

4:35 pm-6:50 pm

1 stop20h 15m

Cagliari Elmas

Tue 9/2

9:30 pm-10:57 am

2 stops43h 27m

$785

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Mon 8/25

4:35 pm-6:50 pm

1 stop20h 15m

Cagliari Elmas

Mon 9/1

11:55 pm-10:57 am

2 stops41h 02m

$792

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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

Best Price Found

$569

Fastest flight time

12h 10m

Direct flights

None

Airports in Cagliari

1 airport
The best one-way flight to Cagliari from Washington, D.C. in the past 72 hours is $569. The best round-trip flight deal from Washington, D.C. to Cagliari found on momondo in the last 72 hours is $665.
The fastest flight from Washington, D.C. to Cagliari takes 12h 10m
There are no direct flights from Washington, D.C. to Cagliari. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - Cagliari Elmas Airport, Baltimore/Washington Airport - Cagliari Elmas Airport and Washington, D.C. Dulles Intl Airport - Cagliari Elmas Airport.
There is 1 airport near Cagliari: Cagliari Elmas (CAG)
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  • 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 12h 10m 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
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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