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Cheap flights from Washington, D.C. Dulles Intl Airport to Cagliari from $738

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 10/24. 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. Dulles Intl Airport to Cagliari

Cheap round-trip flights

Logo
5:00 pm - 5:30 pmIAD-CAG
18h 30m2 stops
Logo
7:55 pm - 4:15 pmCAG-IAD
25h 20m2 stops
$738
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Fri, Oct 24 - Fri, Oct 31
Logo
8:45 pm - 5:30 pmIAD-CAG
14h 45m2 stops
Logo
6:30 am - 7:25 pmCAG-IAD
18h 55m2 stops
$781
Find Deal
Fri, Sep 26 - Tue, Sep 30
Logo
5:00 pm - 5:30 pmIAD-CAG
18h 30m2 stops
Logo
1:20 pm - 4:15 pmCAG-IAD
31h 55m3 stops
$792
Find Deal
Fri, Oct 24 - Fri, Oct 31
Logo
8:45 pm - 9:10 amIAD-CAG
30h 25m3 stops
Logo
6:30 am - 7:25 pmCAG-IAD
18h 55m2 stops
$826
Find Deal
Fri, Sep 26 - Tue, Sep 30
Logo
5:00 pm - 5:35 pmIAD-CAG
18h 35m3 stops
Logo
1:20 pm - 4:15 pmCAG-IAD
31h 55m3 stops
$959
Find Deal
Fri, Oct 24 - Fri, Oct 31
Logo
4:35 pm - 2:40 pmIAD-CAG
16h 05m1 stop
Logo
7:40 am - 4:15 pmCAG-IAD
37h 35m2 stops
$1,012
Find Deal
Fri, Oct 24 - Fri, Oct 31
Logo
9:20 pm - 6:00 pmIAD-CAG
14h 40m1 stop
Logo
4:30 pm - 3:35 pmCAG-IAD
29h 05m2 stops
$1,047
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Fri, Sep 26 - Tue, Sep 30
SWISS Logo
8:45 pm - 8:05 amIAD-CAG
29h 20m1 stop
SWISS Logo
8:55 am - 4:15 pmCAG-IAD
13h 20m1 stop
$1,768SWISS
Find Deal
Fri, Sep 26 - Tue, Sep 30

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 September 11, 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

Fri 10/24

5:00 pm-5:30 pm

2 stops18h 30m

Cagliari Elmas

Fri 10/31

7:55 pm-4:15 pm

2 stops25h 20m

$738

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 9/26

8:45 pm-5:30 pm

2 stops14h 45m

Cagliari Elmas

Tue 9/30

6:30 am-7:25 pm

2 stops18h 55m

$781

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 10/24

5:00 pm-5:30 pm

2 stops18h 30m

Cagliari Elmas

Fri 10/31

1:20 pm-4:15 pm

3 stops31h 55m

$792

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 9/26

8:45 pm-9:10 am

3 stops30h 25m

Cagliari Elmas

Tue 9/30

6:30 am-7:25 pm

2 stops18h 55m

$826

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 10/24

5:00 pm-5:35 pm

3 stops18h 35m

Cagliari Elmas

Fri 10/31

1:20 pm-4:15 pm

3 stops31h 55m

$959

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 10/24

4:35 pm-2:40 pm

1 stop16h 05m

Cagliari Elmas

Fri 10/31

7:40 am-4:15 pm

2 stops37h 35m

$1,012

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 9/26

9:20 pm-6:00 pm

1 stop14h 40m

Cagliari Elmas

Tue 9/30

4:30 pm-3:35 pm

2 stops29h 05m

$1,047

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 9/26

8:45 pm-8:05 am

1 stop29h 20m

Cagliari Elmas

Tue 9/30

8:55 am-4:15 pm

1 stop13h 20m

$1,768

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.
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  • 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 40m 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.

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