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Cheap flights from Chicago to Cagliari from $646

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 to Cagliari departing on 8/13. 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 to Cagliari

Cheap round-trip flights

Logo
7:25 pm - 11:40 pmORD-CAG
21h 15m2 stops
Logo
7:30 am - 9:15 pmCAG-ORD
20h 45m2 stops
$646
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Wed, Aug 13 - Wed, Aug 20
Logo
5:10 pm - 6:00 pmORD-CAG
17h 50m1 stop
Logo
5:05 pm - 2:10 pmCAG-ORD
28h 05m1 stop
$677
Find Deal
Wed, Aug 13 - Wed, Aug 20
Lufthansa Logo
4:00 pm - 6:35 pmORD-CAG
19h 35m1 stop
Lufthansa Logo
6:25 pm - 6:15 pmCAG-ORD
30h 50m1 stop
$759Lufthansa
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Wed, Aug 13 - Wed, Aug 20
SWISS Logo
7:05 pm - 8:10 amORD-CAG
30h 05m1 stop
SWISS Logo
9:10 pm - 3:55 pmCAG-ORD
25h 45m1 stop
$816SWISS
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Thu, Sep 4 - Mon, Sep 8
SWISS Logo
7:05 pm - 8:10 amORD-CAG
30h 05m1 stop
SWISS Logo
8:30 am - 3:55 pmCAG-ORD
14h 25m1 stop
$819SWISS
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Thu, Sep 11 - Thu, Sep 18
Iberia Logo
11:46 am - 10:55 pmORD-CAG
28h 09m2 stops
Iberia Logo
11:40 pm - 1:30 pmCAG-ORD
20h 50m1 stop
$837Iberia
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Tue, Sep 16 - Wed, Sep 24
British Airways Logo
9:15 pm - 8:25 pmORD-CAG
16h 10m1 stop
British Airways Logo
8:00 pm - 6:15 pmCAG-ORD
29h 15m1 stop
$842British Airways
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Wed, Sep 17 - Mon, Sep 29
Iberia Logo
3:21 pm - 10:55 pmORD-CAG
24h 34m2 stops
Iberia Logo
11:40 pm - 8:55 pmCAG-ORD
28h 15m2 stops
$847Iberia
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Tue, Sep 16 - Wed, Sep 24
Lufthansa Logo
10:30 pm - 6:35 pmORD-CAG
13h 05m1 stop
Lufthansa Logo
9:30 am - 7:55 pmCAG-ORD
17h 25m1 stop
$853Lufthansa
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Sat, Aug 23 - Sat, Aug 30
British Airways Logo
4:55 pm - 8:50 pmORD-CAG
20h 55m1 stop
British Airways Logo
2:55 pm - 12:41 pmCAG-ORD
52h 46m2 stops
$873British Airways
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Fri, Sep 19 - Tue, Sep 30

SWISS flights from Chicago to Cagliari

Our best SWISS deals on Chicago to Cagliari flight tickets
SWISS
Sep 4
ORD7:05 pmChicago O'Hare Intl
30h 05m
1 stop
CAG8:10 amCagliari Elmas
Sep 8
CAG9:10 pmCagliari Elmas
25h 45m
1 stop
ORD3:55 pmChicago O'Hare Intl
$816
Find similar
SWISS
Sep 11
ORD7:05 pmChicago O'Hare Intl
30h 05m
1 stop
CAG8:10 amCagliari Elmas
Sep 18
CAG8:30 amCagliari Elmas
14h 25m
1 stop
ORD3:55 pmChicago O'Hare Intl
$819
Find similar
SWISS
Sep 14
ORD7:05 pmChicago O'Hare Intl
18h 20m
1 stop
CAG8:25 pmCagliari Elmas
Sep 22
CAG9:10 pmCagliari Elmas
25h 45m
1 stop
ORD3:55 pmChicago O'Hare Intl
$864
Find similar

Lufthansa flights from Chicago to Cagliari

Our best Lufthansa deals on Chicago to Cagliari flight tickets
Lufthansa
Aug 13
ORD4:00 pmChicago O'Hare Intl
19h 35m
1 stop
CAG6:35 pmCagliari Elmas
Aug 20
CAG6:25 pmCagliari Elmas
30h 50m
1 stop
ORD6:15 pmChicago O'Hare Intl
$759
Find similar
Lufthansa
Aug 23
ORD10:30 pmChicago O'Hare Intl
13h 05m
1 stop
CAG6:35 pmCagliari Elmas
Aug 30
CAG9:30 amCagliari Elmas
17h 25m
1 stop
ORD7:55 pmChicago O'Hare Intl
$853
Find similar
Lufthansa
Sep 14
ORD9:40 pmChicago O'Hare Intl
12h 55m
1 stop
CAG5:35 pmCagliari Elmas
Sep 25
CAG7:25 pmCagliari Elmas
30h 07m
2 stops
ORD6:32 pmChicago O'Hare Intl
$889
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momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 July 30, 2025.
Use the filters below to find and compare flights from Chicago to Cagliari that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Wed 8/13

7:25 pm-11:40 pm

2 stops21h 15m

Cagliari Elmas

Wed 8/20

7:30 am-9:15 pm

2 stops20h 45m

$646

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Wed 8/13

5:10 pm-6:00 pm

1 stop17h 50m

Cagliari Elmas

Wed 8/20

5:05 pm-2:10 pm

1 stop28h 05m

$677

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Wed 8/13

4:00 pm-6:35 pm

1 stop19h 35m

Cagliari Elmas

Wed 8/20

6:25 pm-6:15 pm

1 stop30h 50m

$759

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Thu 9/4

7:05 pm-8:10 am

1 stop30h 05m

Cagliari Elmas

Mon 9/8

9:10 pm-3:55 pm

1 stop25h 45m

$816

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Thu 9/11

7:05 pm-8:10 am

1 stop30h 05m

Cagliari Elmas

Thu 9/18

8:30 am-3:55 pm

1 stop14h 25m

$819

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Tue 9/16

11:46 am-10:55 pm

2 stops28h 09m

Cagliari Elmas

Wed 9/24

11:40 pm-1:30 pm

1 stop20h 50m

$837

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Wed 9/17

9:15 pm-8:25 pm

1 stop16h 10m

Cagliari Elmas

Mon 9/29

8:00 pm-6:15 pm

1 stop29h 15m

$842

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Tue 9/16

3:21 pm-10:55 pm

2 stops24h 34m

Cagliari Elmas

Wed 9/24

11:40 pm-8:55 pm

2 stops28h 15m

$847

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Sat 8/23

10:30 pm-6:35 pm

1 stop13h 05m

Cagliari Elmas

Sat 8/30

9:30 am-7:55 pm

1 stop17h 25m

$853

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Fri 9/19

4:55 pm-8:50 pm

1 stop20h 55m

Cagliari Elmas

Tue 9/30

2:55 pm-12:41 pm

2 stops52h 46m

$873

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Cagliari from

How to get the cheapest flight ticket from Chicago 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 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 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 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 to Cagliari

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

Cheap Chicago to Cagliari (CHI to CAG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Cagliari

Best Price Found

$1,960

Fastest flight time

12h 55m

Direct flights

None

Airports in Cagliari

1 airport
The best one-way flight to Cagliari from Chicago in the past 72 hours is $1,960. The best round-trip flight deal from Chicago to Cagliari found on momondo in the last 72 hours is $646.
The fastest flight from Chicago to Cagliari takes 12h 55m
There are no direct flights from Chicago to Cagliari. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Cagliari Elmas Airport.
There is 1 airport near Cagliari: Cagliari Elmas (CAG)
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  • How far is Chicago to Cagliari Elmas by plane?

    There are 4781.2 mi between Chicago and Cagliari Elmas. Typically, this will take 12h 55m by plane in normal conditions.

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

    Prices for flights from Chicago to Cagliari Elmas Airport are updated daily.

  • How old do you have to be to fly from Chicago to Cagliari Elmas Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Cagliari Elmas Airport.

  • What documentation or ID do you need to fly to Cagliari Elmas Airport?

    The necessary travel and health documents for your Cagliari Elmas Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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
Pula

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Cagliari?

It is quick and easy to find Chicago to Cagliari flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cagliari that suits you.

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

Flights from Chicago to Cagliari with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Chicago and Cagliari by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Chicago to Cagliari now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cagliari and let you know when they change.

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