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Cagliari

$705+ Cheap flights from Illinois to Cagliari (CAG)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CAG
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Illinois to Cagliari

Cheapest flights from Illinois to Cagliari
Explore the most affordable flight options available from Illinois to Cagliari. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This SWISS deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/162:20 pm
ORD
-
CAG
1 stop23h 05m
SWISS
Sat 8/228:55 am
CAG
-
ORD
1 stop34h 40m
SWISS
Deal found 1/27$705
This Trip.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:50 am
ORD
-
CAG
2 stops24h 10m
Multiple Airlines
Sun 3/87:30 am
CAG
-
ORD
2 stops33h 35m
Multiple Airlines
Deal found 1/28$706
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:05 pm
ORD
-
CAG
1 stop18h 20m
Multiple Airlines
Sat 8/226:35 pm
CAG
-
ORD
2 stops25h 20m
Multiple Airlines
Deal found 1/27$758
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:31 am
ORD
-
CAG
2 stops21h 34m
Multiple Airlines
Wed 5/63:10 pm
CAG
-
ORD
1 stop30h 05m
Multiple Airlines
Deal found 1/26$818
This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:49 pm
STL
-
CAG
2 stops15h 56m
Lufthansa
Tue 10/136:35 pm
CAG
-
STL
2 stops25h 50m
Lufthansa
Deal found 1/27$827
This Booking.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/138:20 pm
ORD
-
CAG
2 stops19h 40m
Multiple Airlines
Tue 2/171:50 pm
CAG
-
ORD
2 stops35h 35m
Multiple Airlines
Deal found 1/28$837
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:49 pm
STL
-
CAG
2 stops15h 56m
Multiple Airlines
Wed 10/146:35 pm
CAG
-
STL
2 stops51h 41m
Multiple Airlines
Deal found 1/28$856
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:49 pm
STL
-
CAG
2 stops15h 56m
Lufthansa
Wed 10/146:35 pm
CAG
-
STL
2 stops51h 46m
Lufthansa
Deal found 1/27$885
This KLM deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:50 pm
ORD
-
CAG
1 stop16h 35m
KLM
Wed 5/65:05 pm
CAG
-
ORD
1 stop28h 10m
KLM
Deal found 1/26$936
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:04 pm
ORD
-
CAG
2 stops16h 21m
Delta
Wed 5/65:05 pm
CAG
-
ORD
2 stops35h 11m
Delta
Deal found 1/28$951
This Booking.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:20 pm
STL
-
CAG
2 stops41h 00m
British Airways
Thu 7/309:25 pm
CAG
-
STL
2 stops33h 19m
British Airways
Deal found 1/27$990
This Gurufare deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:06 am
STL
-
CAG
2 stops38h 44m
Iberia
Sat 4/189:35 am
CAG
-
STL
2 stops45h 13m
Iberia
Deal found 1/28$1,036

Find flight deals from Illinois to Cagliari

Keep the following information in mind while searching for Illinois to Cagliari flight deals. Data was last updated January 29, 2026.

Most accurate provider

AranGrant
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$706
(Trip.com)
Provider with most accurate pricing for Chicago (CHI)-Cagliari Elmas flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Cagliari Elmas flights.
Search Deals
From Illinois to Cagliari Elmas
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Illinois to Cagliari that are best for you.

Fly from

Illinois

Fly to

Cagliari

Route

Depart

Return

Price

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Wed 4/29

6:31 am-11:05 am

2 stops21h 34m

Cagliari Elmas

Wed 5/6

3:10 pm-2:15 pm

1 stop30h 05m

$818

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Fri 2/13

8:20 pm-11:00 pm

2 stops19h 40m

Cagliari Elmas

Tue 2/17

1:50 pm-6:25 pm

2 stops35h 35m

$837

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Wed 4/29

4:50 pm-4:25 pm

1 stop16h 35m

Cagliari Elmas

Wed 5/6

5:05 pm-2:15 pm

1 stop28h 10m

$936

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Wed 4/29

5:04 pm-4:25 pm

2 stops16h 21m

Cagliari Elmas

Wed 5/6

5:05 pm-9:16 pm

2 stops35h 11m

$951

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Mon 7/20

7:20 pm-7:20 pm

2 stops41h 00m

Cagliari Elmas

Thu 7/30

9:25 pm-11:44 pm

2 stops33h 19m

$990

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Wed 4/15

11:06 am-8:50 am

2 stops38h 44m

Cagliari Elmas

Sat 4/18

9:35 am-11:48 pm

2 stops45h 13m

$1,036

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Wed 7/1

8:25 am-5:45 pm

2 stops26h 20m

Cagliari Elmas

Tue 7/14

6:35 pm-3:21 pm

2 stops27h 46m

$1,093

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Mon 7/20

1:27 pm-5:45 pm

2 stops21h 18m

Cagliari Elmas

Thu 7/30

6:55 pm-1:25 pm

1 stop25h 30m

$1,115

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Fri 3/13

12:50 pm-5:45 pm

2 stops22h 55m

Cagliari Elmas

Fri 3/20

7:25 pm-7:25 pm

2 stops30h 00m

$1,196

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Sun 3/1

9:00 pm-12:45 am

2 stops20h 45m

Cagliari Elmas

Sun 3/8

6:40 pm-8:55 pm

1 stop32h 15m

$1,277

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 13 results
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Best time to book a flight from Illinois to Cagliari

Have a flexible travel schedule? Discover the best time to fly to Cagliari from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Cagliari
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Cagliari. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cagliari from Illinois?

    For a flight from Illinois to Cagliari, you will be flying into Elmas. Cagliari Elmas (CAG) is just 4.0 mi from the center of the city.

  • How long is the flight from Illinois to Cagliari?

    For as low as $936, KLM can have you in Cagliari from Illinois in 16h 35m. The distance between Illinois and Cagliari is about 4785 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Illinois to Cagliari that include hotel bookings?

    Yes. In addition to deals on Illinois to Cagliari flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Cagliari?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Cagliari.

  • Can I find deals for business class flights from Illinois to Cagliari?

    Yes. Cheapflights offers flight deals from Illinois to Cagliari by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Illinois to Cagliari

See prices for flight routes from nearby airports that may be better suited for you.
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