Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Cagliari from $751

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Cagliari departing on 1/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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. Dulles Intl Airport to Cagliari

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:30 pm - 3:10 pmIAD-CAG
15h 40m2 stops
Multiple Airlines Logo
11:30 am - 2:35 pmCAG-IAD
33h 05m2 stops
$751Multiple Airlines
Find Deal
Mon, Jan 19 - Mon, Feb 2
Multiple Airlines Logo
1:30 pm - 11:00 pmIAD-CAG
27h 30m2 stops
Multiple Airlines Logo
6:00 am - 11:45 amCAG-IAD
35h 45m2 stops
$820Multiple Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9
Multiple Airlines Logo
5:05 pm - 2:10 pmIAD-CAG
15h 05m2 stops
Multiple Airlines Logo
11:10 pm - 11:45 amCAG-IAD
42h 35m3 stops
$1,298Multiple Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9
Multiple Airlines Logo
8:30 pm - 4:55 pmIAD-CAG
14h 25m1 stop
Multiple Airlines Logo
11:25 pm - 7:20 pmCAG-IAD
25h 55m2 stops
$1,343Multiple Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9
Multiple Airlines Logo
5:05 pm - 2:10 pmIAD-CAG
15h 05m2 stops
Multiple Airlines Logo
10:05 pm - 7:20 pmCAG-IAD
27h 15m2 stops
$2,192Multiple Airlines
Find Deal
Thu, Dec 18 - Sat, Jan 3
Multiple Airlines Logo
9:00 am - 7:30 pmIAD-CAG
28h 30m3 stops
Multiple Airlines Logo
10:05 pm - 7:20 pmCAG-IAD
27h 15m2 stops
$2,320Multiple Airlines
Find Deal
Thu, Dec 18 - Sat, Jan 3
Multiple Airlines Logo
8:30 pm - 4:55 pmIAD-CAG
14h 25m1 stop
Multiple Airlines Logo
7:30 am - 3:25 pmCAG-IAD
13h 55m1 stop
$2,344Multiple Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9
Multiple Airlines Logo
5:05 pm - 2:10 pmIAD-CAG
15h 05m2 stops
Multiple Airlines Logo
7:40 pm - 4:40 pmCAG-IAD
27h 00m1 stop
$2,694Multiple Airlines
Find Deal
Thu, Dec 18 - Sat, Jan 3
Multiple Airlines Logo
9:00 pm - 12:35 pmIAD-CAG
33h 35m3 stops
Multiple Airlines Logo
1:25 pm - 3:35 pmCAG-IAD
32h 10m3 stops
$2,932Multiple Airlines
Find Deal
Thu, Dec 18 - Sat, Jan 3

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl 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 November 4, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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

Mon 1/19

5:30 pm-3:10 pm

2 stops15h 40m

Cagliari Elmas

Mon 2/2

11:30 am-2:35 pm

2 stops33h 05m

$751

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 11/7

1:30 pm-11:00 pm

2 stops27h 30m

Cagliari Elmas

Sun 11/9

6:00 am-11:45 am

2 stops35h 45m

$820

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 11/7

5:05 pm-2:10 pm

2 stops15h 05m

Cagliari Elmas

Sun 11/9

11:10 pm-11:45 am

3 stops42h 35m

$1,298

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 11/7

8:30 pm-4:55 pm

1 stop14h 25m

Cagliari Elmas

Sun 11/9

11:25 pm-7:20 pm

2 stops25h 55m

$1,343

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Thu 12/18

5:05 pm-2:10 pm

2 stops15h 05m

Cagliari Elmas

Sat 1/3

10:05 pm-7:20 pm

2 stops27h 15m

$2,192

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Thu 12/18

9:00 am-7:30 pm

3 stops28h 30m

Cagliari Elmas

Sat 1/3

10:05 pm-7:20 pm

2 stops27h 15m

$2,320

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 11/7

8:30 pm-4:55 pm

1 stop14h 25m

Cagliari Elmas

Sun 11/9

7:30 am-3:25 pm

1 stop13h 55m

$2,344

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Thu 12/18

5:05 pm-2:10 pm

2 stops15h 05m

Cagliari Elmas

Sat 1/3

7:40 pm-4:40 pm

1 stop27h 00m

$2,694

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Thu 12/18

9:00 pm-12:35 pm

3 stops33h 35m

Cagliari Elmas

Sat 1/3

1:25 pm-3:35 pm

3 stops32h 10m

$2,932

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Cagliari from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl 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 day to depart on your flight to Cagliari?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport to Cagliari

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

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

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Cagliari. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Cagliari.
Search flight deals

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

    Cagliari Elmas is 4440.1 mi away from Washington, D.C. Dulles Intl. Typically, this will take 14h 25m by plane in normal conditions.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl 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?

All flight searches from Washington, D.C. to Cagliari on momondo can be filtered to show those which offer 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?

Yes. momondo can track prices for Washington, D.C. to Cagliari flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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 12/4
Thu 12/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Italy