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Cheap flights from Chicago O'Hare Intl Airport to Cagliari from $571

This is the cheapest round-trip 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 12/1. 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
6:30 pm - 5:40 pmORD-CAG
16h 10m2 stops
Multiple Airlines Logo
7:30 am - 5:20 pmCAG-ORD
16h 50m2 stops
$571Multiple Airlines
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Mon, Dec 1 - Sat, Dec 6
Multiple Airlines Logo
3:35 pm - 9:50 pmORD-CAG
23h 15m3 stops
Multiple Airlines Logo
1:20 pm - 2:45 pmCAG-ORD
32h 25m2 stops
$864Multiple Airlines
Find Deal
Mon, Dec 1 - Sat, Dec 6
Lufthansa Logo
10:30 pm - 6:15 pmORD-CAG
12h 45m1 stop
Lufthansa Logo
7:05 pm - 7:55 pmCAG-ORD
31h 50m1 stop
$1,170Lufthansa
Find Deal
Sun, Mar 29 - Thu, Apr 2
Lufthansa Logo
4:00 pm - 6:15 pmORD-CAG
19h 15m1 stop
Lufthansa Logo
7:05 pm - 7:55 pmCAG-ORD
31h 50m1 stop
$1,171Lufthansa
Find Deal
Sun, Mar 29 - Thu, Apr 2
Lufthansa Logo
10:30 pm - 6:15 pmORD-CAG
12h 45m1 stop
Lufthansa Logo
7:05 pm - 6:21 pmCAG-ORD
30h 16m2 stops
$1,180Lufthansa
Find Deal
Sun, Mar 29 - Thu, Apr 2
Lufthansa Logo
10:30 pm - 6:15 pmORD-CAG
12h 45m1 stop
Lufthansa Logo
7:05 pm - 6:21 pmCAG-ORD
30h 16m2 stops
$1,181Lufthansa
Find Deal
Sun, Mar 29 - Thu, Apr 2
Multiple Airlines Logo
3:35 pm - 12:05 amORD-CAG
25h 30m2 stops
Multiple Airlines Logo
6:50 am - 8:00 pmCAG-ORD
20h 10m2 stops
$1,418Multiple Airlines
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Fri, Dec 26 - Thu, Jan 1
Iberia Logo
9:19 am - 12:35 pmORD-CAG
44h 16m2 stops
Iberia Logo
1:20 pm - 3:25 pmCAG-ORD
33h 05m2 stops
$2,495Iberia
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Thu, Dec 25 - Thu, Jan 1
Iberia Logo
9:19 am - 12:35 pmORD-CAG
44h 16m2 stops
Iberia Logo
1:20 pm - 3:25 pmCAG-ORD
33h 05m2 stops
$2,862Iberia
Find Deal
Sat, Dec 27 - Thu, Jan 1
Iberia Logo
9:19 am - 12:35 pmORD-CAG
44h 16m2 stops
Iberia Logo
1:10 pm - 5:51 pmCAG-ORD
35h 41m2 stops
$3,560Iberia
Find Deal
Thu, Dec 25 - Fri, Jan 2

Lufthansa flights from Chicago O'Hare Intl Airport to Cagliari

Our best Lufthansa deals on Chicago O'Hare Intl Airport to Cagliari flight tickets
Lufthansa
Mar 29
ORD10:30 pmChicago O'Hare Intl
12h 45m
1 stop
CAG6:15 pmCagliari Elmas
Apr 2
CAG7:05 pmCagliari Elmas
31h 50m
1 stop
ORD7:55 pmChicago O'Hare Intl
$1,170
Find similar
Lufthansa
Mar 29
ORD4:00 pmChicago O'Hare Intl
19h 15m
1 stop
CAG6:15 pmCagliari Elmas
Apr 2
CAG7:05 pmCagliari Elmas
31h 50m
1 stop
ORD7:55 pmChicago O'Hare Intl
$1,171
Find similar
Lufthansa
Mar 29
ORD10:30 pmChicago O'Hare Intl
12h 45m
1 stop
CAG6:15 pmCagliari Elmas
Apr 2
CAG7:05 pmCagliari Elmas
30h 16m
2 stops
ORD6:21 pmChicago O'Hare Intl
$1,180
Find similar

Iberia flights from Chicago O'Hare Intl Airport to Cagliari

Our best Iberia deals on Chicago O'Hare Intl Airport to Cagliari flight tickets
Iberia
Dec 25
ORD9:19 amChicago O'Hare Intl
44h 16m
2 stops
CAG12:35 pmCagliari Elmas
Jan 1
CAG1:20 pmCagliari Elmas
33h 05m
2 stops
ORD3:25 pmChicago O'Hare Intl
$2,495
Find similar
Iberia
Dec 27
ORD9:19 amChicago O'Hare Intl
44h 16m
2 stops
CAG12:35 pmCagliari Elmas
Jan 1
CAG1:20 pmCagliari Elmas
33h 05m
2 stops
ORD3:25 pmChicago O'Hare Intl
$2,862
Find similar
Iberia
Dec 25
ORD9:19 amChicago O'Hare Intl
44h 16m
2 stops
CAG12:35 pmCagliari Elmas
Jan 2
CAG1:10 pmCagliari Elmas
35h 41m
2 stops
ORD5:51 pmChicago O'Hare Intl
$3,560
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 October 16, 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

Mon 12/1

6:30 pm-5:40 pm

2 stops16h 10m

Cagliari Elmas

Sat 12/6

7:30 am-5:20 pm

2 stops16h 50m

$571

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Mon 12/1

3:35 pm-9:50 pm

3 stops23h 15m

Cagliari Elmas

Sat 12/6

1:20 pm-2:45 pm

2 stops32h 25m

$864

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Sun 3/29

10:30 pm-6:15 pm

1 stop12h 45m

Cagliari Elmas

Thu 4/2

7:05 pm-7:55 pm

1 stop31h 50m

$1,170

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Sun 3/29

4:00 pm-6:15 pm

1 stop19h 15m

Cagliari Elmas

Thu 4/2

7:05 pm-7:55 pm

1 stop31h 50m

$1,171

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Sun 3/29

10:30 pm-6:15 pm

1 stop12h 45m

Cagliari Elmas

Thu 4/2

7:05 pm-6:21 pm

2 stops30h 16m

$1,180

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Sun 3/29

10:30 pm-6:15 pm

1 stop12h 45m

Cagliari Elmas

Thu 4/2

7:05 pm-6:21 pm

2 stops30h 16m

$1,181

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Fri 12/26

3:35 pm-12:05 am

2 stops25h 30m

Cagliari Elmas

Thu 1/1

6:50 am-8:00 pm

2 stops20h 10m

$1,418

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Thu 12/25

9:19 am-12:35 pm

2 stops44h 16m

Cagliari Elmas

Thu 1/1

1:20 pm-3:25 pm

2 stops33h 05m

$2,495

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Sat 12/27

9:19 am-12:35 pm

2 stops44h 16m

Cagliari Elmas

Thu 1/1

1:20 pm-3:25 pm

2 stops33h 05m

$2,862

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Thu 12/25

9:19 am-12:35 pm

2 stops44h 16m

Cagliari Elmas

Fri 1/2

1:10 pm-5:51 pm

2 stops35h 41m

$3,560

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 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

Direct flights

None
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.
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  • 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 12h 45m.

  • 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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