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Cheap flights from Washington, D.C. to Cagliari from $350

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 9/25. 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
1 adult, Economy, 0 bags

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
8:25 pm - 2:45 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
12h 20m1 stop Madrid Barajas
Multiple Airlines Logo
2:55 pm - 7:00 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
34h 05m2 stops Madrid Barajas Casablanca Mohamed V
$836Multiple Airlines
Tue, Oct 13 - Thu, Oct 22
Multiple Airlines Logo
1:15 pm - 7:30 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
24h 15m2 stops Istanbul Rome Fiumicino
Multiple Airlines Logo
1:00 pm - 11:30 amCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
28h 30m2 stops Rome Fiumicino Istanbul
$846Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
8:40 pm - 1:05 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
35h 25m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Barcelona-El Prat
Multiple Airlines Logo
1:20 pm - 3:15 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
31h 55m2 stops Barcelona-El Prat Lisbon Humberto Delgado
$850Multiple Airlines
Thu, Oct 29 - Wed, Nov 11
Multiple Airlines Logo
8:25 pm - 2:45 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
12h 20m1 stop Madrid Barajas
Multiple Airlines Logo
8:35 am - 7:00 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
16h 25m2 stops Milan Malpensa Casablanca Mohamed V
$854Multiple Airlines
Tue, Oct 13 - Wed, Oct 21
Multiple Airlines Logo
8:40 pm - 9:15 amIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
31h 35m3 stops Reykjavik Keflavik Intl Brussels Bruxelles-National Barcelona-El Prat
Multiple Airlines Logo
8:00 am - 7:05 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
17h 05m2 stops Milan Malpensa Casablanca Mohamed V
$856Multiple Airlines
Wed, Oct 28 - Sun, Nov 8
Multiple Airlines Logo
8:25 pm - 2:45 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
12h 20m1 stop Madrid Barajas
Multiple Airlines Logo
5:55 pm - 3:30 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
27h 35m2 stops Valencia Madrid Barajas
$865Multiple Airlines
Tue, Oct 13 - Fri, Oct 23
Multiple Airlines Logo
8:30 pm - 12:30 amBWI  Baltimore/Washington-CAG Cagliari Elmas
22h 00m2 stops Reykjavik Keflavik Intl Milan Malpensa
Multiple Airlines Logo
7:45 am - 10:15 pmCAG  Cagliari Elmas-BWI Baltimore/Washington
20h 30m2 stops Milan Malpensa Reykjavik Keflavik Intl
$887Multiple Airlines
Sat, Sep 19 - Sat, Sep 26
Multiple Airlines Logo
2:30 pm - 7:40 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
24h 10m2 stops Istanbul Rome Fiumicino
Multiple Airlines Logo
9:40 pm - 7:25 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
27h 45m2 stops Rome Fiumicino Istanbul
$891Multiple Airlines
Thu, Oct 29 - Wed, Nov 11
Multiple Airlines Logo
8:20 pm - 8:25 amIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
30h 05m1 stop Zurich
Multiple Airlines Logo
11:10 pm - 10:17 amCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
41h 07m2 stops London Stansted Orlando
$903Multiple Airlines
Mon, Sep 7 - Tue, Sep 15
Multiple Airlines Logo
8:20 pm - 8:10 amIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
29h 50m1 stop Zurich
Multiple Airlines Logo
11:10 pm - 10:17 amCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
41h 07m2 stops London Stansted Orlando
$908Multiple Airlines
Sun, Sep 6 - Tue, Sep 15

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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
Oct 13
IAD5:40 pmWashington, D.C. Dulles Intl
16h 45m
1 stop
CAG4:25 pmCagliari Elmas
Oct 21
CAG5:05 pmCagliari Elmas
28h 30m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$934
Delta
Oct 13
IAD10:57 amWashington, D.C. Dulles Intl
23h 28m
2 stops
CAG4:25 pmCagliari Elmas
Oct 21
CAG5:05 pmCagliari Elmas
30h 28m
2 stops
IAD5:33 pmWashington, D.C. Dulles Intl
$948
Delta
Oct 11
IAD5:40 pmWashington, D.C. Dulles Intl
16h 45m
1 stop
CAG4:25 pmCagliari Elmas
Oct 21
CAG5:05 pmCagliari Elmas
28h 30m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$974

Lufthansa flights from Washington, D.C. to Cagliari

Our best Lufthansa deals on Washington, D.C. to Cagliari flight tickets
Lufthansa
Oct 14
IAD10:20 pmWashington, D.C. Dulles Intl
13h 25m
1 stop
CAG5:45 pmCagliari Elmas
Oct 21
CAG6:35 pmCagliari Elmas
30h 50m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
$950
Lufthansa
Aug 14
IAD10:20 pmWashington, D.C. Dulles Intl
13h 25m
1 stop
CAG5:45 pmCagliari Elmas
Aug 23
CAG6:35 pmCagliari Elmas
30h 50m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
$963
Lufthansa
Sep 8
IAD10:20 pmWashington, D.C. Dulles Intl
13h 25m
1 stop
CAG5:45 pmCagliari Elmas
Sep 15
CAG6:35 pmCagliari Elmas
30h 50m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
$973

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 August 10, 2026.
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

Cheapest round-trip

Washington, D.C.Cagliari

IAD Washington, D.C. Dulles Intl - CAG Cagliari Elmas

IADCAG

Washington, D.C. Dulles Intl

Tue 10/13

8:25 pm-2:45 pm

1 stop12h 20m

Cagliari Elmas

Thu 10/22

2:55 pm-7:00 pm

2 stops34h 05m

$836

Washington, D.C.Cagliari

IAD Washington, D.C. Dulles Intl - CAG Cagliari Elmas

IADCAG

Washington, D.C. Dulles Intl

Tue 9/8

1:15 pm-7:30 pm

2 stops24h 15m

Cagliari Elmas

Tue 9/15

1:00 pm-11:30 am

2 stops28h 30m

$846

Washington, D.C.Cagliari

IAD Washington, D.C. Dulles Intl - CAG Cagliari Elmas

IADCAG

Washington, D.C. Dulles Intl

Thu 10/29

8:40 pm-1:05 pm

3 stops35h 25m

Cagliari Elmas

Wed 11/11

1:20 pm-3:15 pm

2 stops31h 55m

$850
Quickest round-trip

Washington, D.C.Cagliari

IAD Washington, D.C. Dulles Intl - CAG Cagliari Elmas

IADCAG

Washington, D.C. Dulles Intl

Tue 10/13

8:25 pm-2:45 pm

1 stop12h 20m

Cagliari Elmas

Wed 10/21

8:35 am-7:00 pm

2 stops16h 25m

$854

Washington, D.C.Cagliari

IAD Washington, D.C. Dulles Intl - CAG Cagliari Elmas

IADCAG

Washington, D.C. Dulles Intl

Wed 10/28

8:40 pm-9:15 am

3 stops31h 35m

Cagliari Elmas

Sun 11/8

8:00 am-7:05 pm

2 stops17h 05m

$856

Washington, D.C.Cagliari

IAD Washington, D.C. Dulles Intl - CAG Cagliari Elmas

IADCAG

Washington, D.C. Dulles Intl

Tue 10/13

8:25 pm-2:45 pm

1 stop12h 20m

Cagliari Elmas

Fri 10/23

5:55 pm-3:30 pm

2 stops27h 35m

$865

BaltimoreCagliari

BWI Baltimore/Washington - CAG Cagliari Elmas

BWICAG

Baltimore/Washington

Sat 9/19

8:30 pm-12:30 am

2 stops22h 00m

Cagliari Elmas

Sat 9/26

7:45 am-10:15 pm

2 stops20h 30m

$887

Washington, D.C.Cagliari

IAD Washington, D.C. Dulles Intl - CAG Cagliari Elmas

IADCAG

Washington, D.C. Dulles Intl

Thu 10/29

2:30 pm-7:40 pm

2 stops24h 10m

Cagliari Elmas

Wed 11/11

9:40 pm-7:25 pm

2 stops27h 45m

$891

Washington, D.C.Cagliari

IAD Washington, D.C. Dulles Intl - CAG Cagliari Elmas

IADCAG

Washington, D.C. Dulles Intl

Mon 9/7

8:20 pm-8:25 am

1 stop30h 05m

Cagliari Elmas

Tue 9/15

11:10 pm-10:17 am

2 stops41h 07m

$903

Washington, D.C.Cagliari

IAD Washington, D.C. Dulles Intl - CAG Cagliari Elmas

IADCAG

Washington, D.C. Dulles Intl

Sun 9/6

8:20 pm-8:10 am

1 stop29h 50m

Cagliari Elmas

Tue 9/15

11:10 pm-10:17 am

2 stops41h 07m

$908

Flights are sorted by cheapest round-trip flights first.

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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

Can stopping save me money on Washington, D.C. to Cagliari flights?

You could potentially save up to 49% on your flight if you consider stops on a Washington, D.C. to Cagliari flight.

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 25m

Direct flights

None
The fastest flight from Washington, D.C. to Cagliari takes 13h 25m
There are no direct flights from Washington, D.C. to Cagliari. There are no popular flight routes from Washington, D.C. to Cagliari.
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Frequently asked questions about flying from Washington, D.C. to Cagliari

  • 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 25m 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.

  • What is the most popular airline from Washington, D.C. to Cagliari?

Traveling to a place near Cagliari?

Book flights to Cagliari if you plan to visit one of these locations
Villasimius
Arbatax
Pula
Oristano

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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