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Cheap flights from Chicago O'Hare Intl Airport to Cagliari from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Cagliari departing on 3/29. 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 Chicago O'Hare Intl Airport to Cagliari

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:40 pm - 12:35 pm
ORD
-
CAG
35h 55m2 stops
Multiple Airlines Logo
1:20 pm - 2:55 pm
CAG
-
ORD
32h 35m2 stops
$723Multiple Airlines
Thu, Feb 19 - Fri, Feb 27
Multiple Airlines Logo
10:00 am - 6:40 pm
ORD
-
CAG
25h 40m3 stops
Multiple Airlines Logo
6:00 am - 4:20 pm
CAG
-
ORD
17h 20m2 stops
$740Multiple Airlines
Thu, Feb 19 - Fri, Feb 27
Multiple Airlines Logo
4:30 pm - 8:50 am
ORD
-
CAG
33h 20m2 stops
Multiple Airlines Logo
9:35 am - 2:15 pm
CAG
-
ORD
35h 40m2 stops
$755Multiple Airlines
Tue, May 5 - Thu, May 14
Multiple Airlines Logo
4:30 pm - 8:50 am
ORD
-
CAG
33h 20m2 stops
Multiple Airlines Logo
9:35 am - 2:15 pm
CAG
-
ORD
35h 40m2 stops
$849Multiple Airlines
Thu, May 14 - Thu, May 28
Multiple Airlines Logo
9:40 pm - 5:45 pm
ORD
-
CAG
13h 05m1 stop
Multiple Airlines Logo
8:45 am - 2:51 pm
CAG
-
ORD
37h 06m2 stops
$881Multiple Airlines
Tue, May 5 - Thu, May 14
Lufthansa Logo
9:40 pm - 5:45 pm
ORD
-
CAG
13h 05m1 stop
Lufthansa Logo
7:05 pm - 11:00 am
CAG
-
ORD
22h 55m1 stop
$891Lufthansa
Tue, May 5 - Thu, May 14
Iberia Logo
3:38 pm - 12:35 pm
ORD
-
CAG
37h 57m2 stops
Iberia Logo
1:20 pm - 1:50 pm
CAG
-
ORD
31h 30m2 stops
$939Iberia
Thu, Feb 19 - Fri, Feb 27
SWISS Logo
4:30 pm - 7:40 am
ORD
-
CAG
32h 10m2 stops
SWISS Logo
8:55 am - 3:55 pm
CAG
-
ORD
14h 00m1 stop
$971SWISS
Tue, Jun 2 - Tue, Jun 9
Multiple Airlines Logo
7:05 pm - 8:10 am
ORD
-
CAG
30h 05m1 stop
Multiple Airlines Logo
8:45 am - 7:19 pm
CAG
-
ORD
17h 34m2 stops
$991Multiple Airlines
Thu, May 14 - Thu, May 28
SWISS Logo
7:05 pm - 7:40 am
ORD
-
CAG
29h 35m1 stop
SWISS Logo
8:55 am - 12:20 pm
CAG
-
ORD
34h 25m1 stop
$1,008SWISS
Tue, Jun 2 - Tue, Jun 9

SWISS flights from Chicago O'Hare Intl Airport to Cagliari

Our best SWISS deals on Chicago O'Hare Intl Airport to Cagliari flight tickets
SWISS
Jun 2
ORD4:30 pmChicago O'Hare Intl
32h 10m
2 stops
CAG7:40 amCagliari Elmas
Jun 9
CAG8:55 amCagliari Elmas
14h 00m
1 stop
ORD3:55 pmChicago O'Hare Intl
$971
Find similar
SWISS
Jun 2
ORD7:05 pmChicago O'Hare Intl
29h 35m
1 stop
CAG7:40 amCagliari Elmas
Jun 9
CAG8:55 amCagliari Elmas
34h 25m
1 stop
ORD12:20 pmChicago O'Hare Intl
$1,008
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare 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 December 5, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Cagliari that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Thu 2/19

5:40 pm-12:35 pm

2 stops35h 55m

Cagliari Elmas

Fri 2/27

1:20 pm-2:55 pm

2 stops32h 35m

$723

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Thu 2/19

10:00 am-6:40 pm

3 stops25h 40m

Cagliari Elmas

Fri 2/27

6:00 am-4:20 pm

2 stops17h 20m

$740

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Tue 5/5

4:30 pm-8:50 am

2 stops33h 20m

Cagliari Elmas

Thu 5/14

9:35 am-2:15 pm

2 stops35h 40m

$755

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Thu 5/14

4:30 pm-8:50 am

2 stops33h 20m

Cagliari Elmas

Thu 5/28

9:35 am-2:15 pm

2 stops35h 40m

$849

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Tue 5/5

9:40 pm-5:45 pm

1 stop13h 05m

Cagliari Elmas

Thu 5/14

8:45 am-2:51 pm

2 stops37h 06m

$881

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Tue 5/5

9:40 pm-5:45 pm

1 stop13h 05m

Cagliari Elmas

Thu 5/14

7:05 pm-11:00 am

1 stop22h 55m

$891

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Thu 2/19

3:38 pm-12:35 pm

2 stops37h 57m

Cagliari Elmas

Fri 2/27

1:20 pm-1:50 pm

2 stops31h 30m

$939

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Tue 6/2

4:30 pm-7:40 am

2 stops32h 10m

Cagliari Elmas

Tue 6/9

8:55 am-3:55 pm

1 stop14h 00m

$971

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Thu 5/14

7:05 pm-8:10 am

1 stop30h 05m

Cagliari Elmas

Thu 5/28

8:45 am-7:19 pm

2 stops17h 34m

$991

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Tue 6/2

7:05 pm-7:40 am

1 stop29h 35m

Cagliari Elmas

Tue 6/9

8:55 am-12:20 pm

1 stop34h 25m

$1,008

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 Chicago O'Hare 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 Chicago O'Hare Intl Airport to Cagliari is on a Sunday when prices can be found for as low as $957. On the other hand, Monday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,345.

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 evening. Flights from Chicago O'Hare Intl Airport to Cagliari during this time can be as low as $911. Try not to purchase tickets in the afternoon because they tend to be around $1,072. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Chicago O'Hare Intl Airport to Cagliari

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Cagliari according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Cagliari (ORD to CAG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Cagliari

Fastest flight time

18h 15m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Cagliari takes 18h 15m
There are no direct flights from Chicago O'Hare Intl Airport to Cagliari. There are no popular flight routes from Chicago O'Hare Intl Airport to Cagliari.
Search flight deals

  • How far is Chicago O'Hare Intl to Cagliari Elmas by plane?

    Chicago O'Hare Intl and Cagliari Elmas are 4788.9 mi apart from one another. By plane, this route typically takes 13h 05m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Cagliari Elmas Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Cagliari Elmas Airport are updated daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport 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 Chicago to Cagliari?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Cagliari. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Cagliari with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chicago to Cagliari flights to just show those with flexible booking policies.

How can momondo help me find flights from Chicago to Cagliari?

momondo provides multiple filters to help you find the best flight to Cagliari from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Cagliari right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Cagliari, momondo offers a useful price alert feature which will track prices for flights to Cagliari from Chicago and alert you when they change.

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