Cheap flights from Washington, D.C. to Cagliari from $349

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 4/6. 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.
Lufthansa Logo
10:20 pm - 5:45 pm
IAD
-
CAG
13h 25m
1 stop
Lufthansa Logo
9:10 am - 4:05 pm
CAG
-
IAD
12h 55m
1 stop
$863Lufthansa
Fri, Aug 14 - Sat, Aug 22
Lufthansa Logo
10:20 pm - 5:45 pm
IAD
-
CAG
13h 25m
1 stop
Lufthansa Logo
6:35 pm - 1:35 pm
CAG
-
IAD
25h 00m
2 stops
$893Lufthansa
Fri, Aug 14 - Sat, Aug 22
Lufthansa Logo
10:20 pm - 5:45 pm
IAD
-
CAG
13h 25m
1 stop
Lufthansa Logo
9:10 am - 4:05 pm
CAG
-
IAD
12h 55m
1 stop
$908Lufthansa
Fri, Aug 14 - Sat, Aug 22
Multiple Airlines Logo
8:20 pm - 10:25 pm
IAD
-
CAG
20h 05m
2 stops
Multiple Airlines Logo
4:00 pm - 3:30 pm
CAG
-
IAD
29h 30m
1 stop
$922Multiple Airlines
Tue, Apr 28 - Sat, May 9
Multiple Airlines Logo
9:45 pm - 12:55 am
IAD
-
CAG
21h 10m
2 stops
Multiple Airlines Logo
9:25 pm - 4:05 pm
CAG
-
IAD
24h 40m
2 stops
$929Multiple Airlines
Sun, May 10 - Mon, May 25
Air Canada Logo
8:40 pm - 6:15 pm
DCA
-
CAG
39h 35m
2 stops
Air Canada Logo
9:10 am - 8:52 am
CAG
-
DCA
29h 42m
2 stops
$998Air Canada
Fri, Aug 14 - Sat, Aug 22
KLM Logo
7:56 pm - 4:25 pm
DCA
-
CAG
14h 29m
2 stops
KLM Logo
5:05 pm - 4:33 pm
CAG
-
DCA
29h 28m
2 stops
$1,024KLM
Wed, May 6 - Wed, May 13
Air Canada Logo
8:40 pm - 6:15 pm
DCA
-
CAG
39h 35m
2 stops
Air Canada Logo
9:10 am - 10:31 pm
CAG
-
DCA
19h 21m
2 stops
$1,051Air Canada
Fri, Aug 14 - Sat, Aug 22
Delta Logo
1:00 pm - 4:25 pm
BWI
-
CAG
21h 25m
2 stops
Delta Logo
5:05 pm - 4:57 pm
CAG
-
BWI
29h 52m
2 stops
$1,073Delta
Tue, Sep 1 - Mon, Sep 7
Delta Logo
1:00 pm - 4:25 pm
BWI
-
CAG
21h 25m
2 stops
Delta Logo
5:05 pm - 10:13 pm
CAG
-
BWI
35h 08m
2 stops
$1,074Delta
Tue, Sep 1 - Mon, Sep 7

Lufthansa flights from Washington, D.C. to Cagliari

Our best Lufthansa deals on Washington, D.C. to Cagliari flight tickets
Lufthansa
Aug 14
IAD10:20 pmWashington, D.C. Dulles Intl
13h 25m
1 stop
CAG5:45 pmCagliari Elmas
Aug 22
CAG9:10 amCagliari Elmas
12h 55m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$863
Lufthansa
Aug 14
IAD10:20 pmWashington, D.C. Dulles Intl
13h 25m
1 stop
CAG5:45 pmCagliari Elmas
Aug 22
CAG6:35 pmCagliari Elmas
25h 00m
2 stops
IAD1:35 pmWashington, D.C. Dulles Intl
$893
Lufthansa
Aug 14
IAD10:20 pmWashington, D.C. Dulles Intl
13h 25m
1 stop
CAG5:45 pmCagliari Elmas
Aug 22
CAG9:10 amCagliari Elmas
12h 55m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$908

KLM flights from Washington, D.C. to Cagliari

Our best KLM deals on Washington, D.C. to Cagliari flight tickets
KLM
May 6
IAD5:07 pmWashington, D.C. Dulles Intl
17h 18m
2 stops
CAG4:25 pmCagliari Elmas
May 13
CAG5:05 pmCagliari Elmas
28h 30m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,014
KLM
May 6
DCA7:56 pmWashington, D.C. Reagan-National
14h 29m
2 stops
CAG4:25 pmCagliari Elmas
May 13
CAG5:05 pmCagliari Elmas
29h 28m
2 stops
DCA4:33 pmWashington, D.C. Reagan-National
$1,024

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 March 23, 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
Quickest round-trip

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 8/14

10:20 pm-5:45 pm

1 stop13h 25m

Cagliari Elmas

Sat 8/22

9:10 am-4:05 pm

1 stop12h 55m

$863

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 8/14

10:20 pm-5:45 pm

1 stop13h 25m

Cagliari Elmas

Sat 8/22

6:35 pm-1:35 pm

2 stops25h 00m

$893

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 8/14

10:20 pm-5:45 pm

1 stop13h 25m

Cagliari Elmas

Sat 8/22

9:10 am-4:05 pm

1 stop12h 55m

$908

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Tue 4/28

8:20 pm-10:25 pm

2 stops20h 05m

Cagliari Elmas

Sat 5/9

4:00 pm-3:30 pm

1 stop29h 30m

$922

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Sun 5/10

9:45 pm-12:55 am

2 stops21h 10m

Cagliari Elmas

Mon 5/25

9:25 pm-4:05 pm

2 stops24h 40m

$929

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 8/14

8:40 pm-6:15 pm

2 stops39h 35m

Cagliari Elmas

Sat 8/22

9:10 am-8:52 am

2 stops29h 42m

$998

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Wed 5/6

7:56 pm-4:25 pm

2 stops14h 29m

Cagliari Elmas

Wed 5/13

5:05 pm-4:33 pm

2 stops29h 28m

$1,024

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 8/14

8:40 pm-6:15 pm

2 stops39h 35m

Cagliari Elmas

Sat 8/22

9:10 am-10:31 pm

2 stops19h 21m

$1,051

BaltimoreCagliari

BWI - CAG

BWICAG

Baltimore/Washington

Tue 9/1

1:00 pm-4:25 pm

2 stops21h 25m

Cagliari Elmas

Mon 9/7

5:05 pm-4:57 pm

2 stops29h 52m

$1,073

BaltimoreCagliari

BWI - CAG

BWICAG

Baltimore/Washington

Tue 9/1

1:00 pm-4:25 pm

2 stops21h 25m

Cagliari Elmas

Mon 9/7

5:05 pm-10:13 pm

2 stops35h 08m

$1,074

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 airline that flies from Washington, D.C. to Cagliari Elmas?

SWISS, KLM, and Delta are the most popular carriers operating from Washington, D.C. to Cagliari Elmas

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.
  • 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.

Traveling to a place near Cagliari?

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

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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1 adult
Wed 4/22
Wed 4/29

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