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Cheap flights from Washington, D.C. to Cagliari from $678

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. to Cagliari departing on 12/16. 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.
Multiple Airlines Logo
5:05 pm - 10:30 pmIAD-CAG
23h 25m2 stops
Multiple Airlines Logo
6:30 am - 7:30 pmCAG-IAD
19h 00m2 stops
$678Multiple Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 23
Lufthansa Logo
10:20 pm - 5:45 pmIAD-CAG
13h 25m1 stop
Lufthansa Logo
6:35 pm - 7:25 pmCAG-IAD
30h 50m1 stop
$735Lufthansa
Find Deal
Sat, Mar 28 - Sat, Apr 4
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
Lufthansa Logo
10:20 pm - 6:15 pmIAD-CAG
13h 55m2 stops
Lufthansa Logo
6:35 pm - 7:25 pmCAG-IAD
30h 50m1 stop
$766Lufthansa
Find Deal
Sat, Mar 28 - Sat, Apr 4
Lufthansa Logo
10:20 pm - 6:15 pmIAD-CAG
13h 55m2 stops
Lufthansa Logo
9:15 am - 7:25 pmCAG-IAD
40h 10m2 stops
$805Lufthansa
Find Deal
Sat, Mar 28 - Sat, Apr 4
Lufthansa Logo
10:17 pm - 5:15 pmIAD-CAG
37h 58m2 stops
Lufthansa Logo
6:35 pm - 7:25 pmCAG-IAD
30h 50m1 stop
$1,022Lufthansa
Find Deal
Fri, Mar 27 - Sun, Apr 5
Multiple Airlines Logo
4:30 pm - 5:15 pmIAD-CAG
43h 45m2 stops
Multiple Airlines Logo
6:35 pm - 1:01 pmCAG-IAD
48h 26m2 stops
$1,045Multiple Airlines
Find Deal
Fri, Mar 27 - Sun, Apr 5
Iberia Logo
3:59 pm - 12:35 pmDCA-CAG
38h 36m2 stops
Iberia Logo
1:20 pm - 6:56 pmCAG-DCA
35h 36m2 stops
$1,258Iberia
Find Deal
Sat, Jan 17 - Thu, Feb 5
Iberia Logo
1:35 pm - 12:35 pmDCA-CAG
41h 00m2 stops
Iberia Logo
1:20 pm - 6:56 pmCAG-DCA
35h 36m2 stops
$1,334Iberia
Find Deal
Sat, Jan 17 - Mon, Feb 2
Iberia Logo
3:59 pm - 12:35 pmDCA-CAG
38h 36m2 stops
Iberia Logo
1:20 pm - 7:08 pmCAG-DCA
35h 48m2 stops
$1,348Iberia
Find Deal
Sat, Jan 17 - Fri, Jan 30

Lufthansa flights from Washington, D.C. to Cagliari

Our best Lufthansa deals on Washington, D.C. to Cagliari flight tickets
Lufthansa
Mar 28
IAD10:20 pmWashington, D.C. Dulles Intl
13h 25m
1 stop
CAG5:45 pmCagliari Elmas
Apr 4
CAG6:35 pmCagliari Elmas
30h 50m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
$735
Find similar
Lufthansa
Mar 28
IAD10:20 pmWashington, D.C. Dulles Intl
13h 55m
2 stops
CAG6:15 pmCagliari Elmas
Apr 4
CAG6:35 pmCagliari Elmas
30h 50m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
$766
Find similar
Lufthansa
Mar 28
IAD10:20 pmWashington, D.C. Dulles Intl
13h 55m
2 stops
CAG6:15 pmCagliari Elmas
Apr 4
CAG9:15 amCagliari Elmas
40h 10m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl
$805
Find similar

Iberia flights from Washington, D.C. to Cagliari

Our best Iberia deals on Washington, D.C. to Cagliari flight tickets
Iberia
Jan 17
DCA3:59 pmWashington, D.C. Reagan-National
38h 36m
2 stops
CAG12:35 pmCagliari Elmas
Feb 5
CAG1:20 pmCagliari Elmas
35h 36m
2 stops
DCA6:56 pmWashington, D.C. Reagan-National
$1,258
Find similar
Iberia
Jan 17
DCA1:35 pmWashington, D.C. Reagan-National
41h 00m
2 stops
CAG12:35 pmCagliari Elmas
Feb 2
CAG1:20 pmCagliari Elmas
35h 36m
2 stops
DCA6:56 pmWashington, D.C. Reagan-National
$1,334
Find similar
Iberia
Jan 17
DCA3:59 pmWashington, D.C. Reagan-National
38h 36m
2 stops
CAG12:35 pmCagliari Elmas
Jan 31
CAG1:20 pmCagliari Elmas
35h 34m
2 stops
DCA6:54 pmWashington, D.C. Reagan-National
$1,348
Find similar

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 November 3, 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

Tue 12/16

5:05 pm-10:30 pm

2 stops23h 25m

Cagliari Elmas

Tue 12/23

6:30 am-7:30 pm

2 stops19h 00m

$678

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Sat 3/28

10:20 pm-5:45 pm

1 stop13h 25m

Cagliari Elmas

Sat 4/4

6:35 pm-7:25 pm

1 stop30h 50m

$735

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

Sat 3/28

10:20 pm-6:15 pm

2 stops13h 55m

Cagliari Elmas

Sat 4/4

6:35 pm-7:25 pm

1 stop30h 50m

$766

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Sat 3/28

10:20 pm-6:15 pm

2 stops13h 55m

Cagliari Elmas

Sat 4/4

9:15 am-7:25 pm

2 stops40h 10m

$805

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 3/27

10:17 pm-5:15 pm

2 stops37h 58m

Cagliari Elmas

Sun 4/5

6:35 pm-7:25 pm

1 stop30h 50m

$1,022

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 3/27

4:30 pm-5:15 pm

2 stops43h 45m

Cagliari Elmas

Sun 4/5

6:35 pm-1:01 pm

2 stops48h 26m

$1,045

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 1/17

3:59 pm-12:35 pm

2 stops38h 36m

Cagliari Elmas

Thu 2/5

1:20 pm-6:56 pm

2 stops35h 36m

$1,258

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 1/17

1:35 pm-12:35 pm

2 stops41h 00m

Cagliari Elmas

Mon 2/2

1:20 pm-6:56 pm

2 stops35h 36m

$1,334

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 1/17

3:59 pm-12:35 pm

2 stops38h 36m

Cagliari Elmas

Fri 1/30

1:20 pm-7:08 pm

2 stops35h 48m

$1,348

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. 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

Direct flights

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

  • 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
Arbatax
Oristano
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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