$449+ Cheap flights from Illinois to Sardinia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CAG
Mar 4 — Mar 111
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Illinois to Sardinia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Sardinia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Illinois to SardiniaExplore the most affordable flight options available from Illinois to Sardinia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.
Explore the most affordable flight options available from Illinois to Sardinia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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.
Sat 8/153:35 pm
ORD
- OLB
1 stop18h 00m
Lufthansa
Sat 8/299:10 pm
OLB
- ORD
1 stop22h 25m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$621
This Mytrip deal was found by Cheapflights users on 2/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:50 pm
STL
- OLB
2 stops23h 50m
Multiple Airlines
Wed 3/257:00 am
OLB
- STL
3 stops21h 59m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$763
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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.
Fri 8/219:40 pm
ORD
- OLB
1 stop11h 55m
Lufthansa
Wed 8/2612:00 pm
OLB
- ORD
1 stop13h 15m
Lufthansa
Deal found 2/2![Lufthansa logo]()
$764
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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.
Fri 8/217:05 pm
ORD
- OLB
2 stops14h 55m
Multiple Airlines
Wed 8/2612:00 pm
OLB
- ORD
1 stop13h 15m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$802
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Mon 10/56:49 pm
STL
- CAG
2 stops15h 56m
Lufthansa
Tue 10/136:35 pm
CAG
- STL
2 stops25h 50m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$840
This FlightHub deal was found by Cheapflights users on 2/2. 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 10/68:55 am
STL
- CAG
2 stops17h 20m
Multiple Airlines
Wed 10/146:35 pm
CAG
- STL
2 stops50h 25m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$846
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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.
Fri 9/43:30 pm
STL
- OLB
1 stop19h 05m
Lufthansa
Sat 9/269:10 pm
OLB
- STL
2 stops26h 16m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$884
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:23 am
STL
- OLB
2 stops28h 32m
British Airways
Fri 9/189:25 pm
OLB
- STL
2 stops29h 38m
British Airways
Deal found 2/1![British Airways logo]()
$893
This Mytrip deal was found by Cheapflights users on 2/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:15 pm
ORD
- CAG
2 stops37h 30m
Multiple Airlines
Tue 5/266:35 pm
CAG
- ORD
2 stops48h 25m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$924
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Fri 9/43:30 pm
STL
- OLB
1 stop19h 05m
Lufthansa
Fri 9/185:30 pm
OLB
- STL
2 stops28h 51m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$932
This KLM deal was found by Cheapflights users on 2/2. 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 2/2![KLM logo]()
$938
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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.
Fri 9/189:40 pm
ORD
- OLB
1 stop11h 55m
Lufthansa
Sun 9/275:30 pm
OLB
- ORD
2 stops26h 25m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$950
Best flights from Illinois to SardiniaDiscover carefully curated flight deals from Illinois to Sardinia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
Discover carefully curated flight deals from Illinois to Sardinia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
This Mytrip deal was found by Cheapflights users on 2/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:50 pm
STL
- OLB
2 stops23h 50m
Multiple Airlines
Wed 3/257:00 am
OLB
- STL
3 stops21h 59m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$763
This KLM deal was found by Cheapflights users on 2/2. 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 2/2![KLM logo]()
$938
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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.
Tue 6/99:40 pm
ORD
- OLB
1 stop11h 55m
Lufthansa
Tue 6/2312:00 pm
OLB
- ORD
1 stop13h 15m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$1,039
This Delta deal was found by Cheapflights users on 2/1. 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 6/107:10 am
ORD
- OLB
2 stops18h 50m
Delta
Thu 6/2511:20 am
OLB
- ORD
2 stops27h 06m
Delta
Deal found 2/1![Delta logo]()
$1,119
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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.
Wed 5/279:40 pm
ORD
- OLB
1 stop11h 55m
Lufthansa
Tue 6/212:00 pm
OLB
- ORD
1 stop13h 15m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$1,039
This Gotogate deal was found by Cheapflights users on 2/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:55 am
ORD
- CAG
2 stops24h 50m
Multiple Airlines
Tue 5/266:35 pm
CAG
- ORD
1 stop25h 00m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,060
This Delta deal was found by Cheapflights users on 2/1. 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.
Mon 6/87:10 am
ORD
- OLB
2 stops18h 50m
Delta
Tue 6/2311:20 am
OLB
- ORD
2 stops29h 04m
Delta
Deal found 2/1![Delta logo]()
$1,119
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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.
Thu 7/233:35 pm
ORD
- OLB
1 stop18h 00m
Lufthansa
Sat 8/19:10 pm
OLB
- ORD
1 stop22h 25m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$1,058
This KLM deal was found by Cheapflights users on 2/2. 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.
Sun 4/124:20 pm
ORD
- CAG
1 stop17h 05m
KLM
Thu 4/165:05 pm
CAG
- ORD
1 stop28h 10m
KLM
Deal found 2/2![KLM logo]()
$1,178
This Vueling Global deal was found by Cheapflights users on 2/1. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:30 pm
ORD
- CAG
2 stops33h 20m
Multiple Airlines
Tue 6/29:35 am
CAG
- ORD
2 stops35h 40m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,104
This Delta deal was found by Cheapflights users on 2/1. 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.
Sun 6/77:30 am
ORD
- OLB
1 stop18h 30m
Delta
Tue 6/2311:20 am
OLB
- ORD
2 stops27h 06m
Delta
Deal found 2/1![Delta logo]()
$1,119
This KLM deal was found by Cheapflights users on 2/1. 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 5/274:50 pm
ORD
- CAG
1 stop16h 35m
KLM
Tue 6/25:05 pm
CAG
- ORD
1 stop28h 25m
KLM
Deal found 2/1![KLM logo]()
$1,193
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Wed 6/109:40 pm
ORD
- OLB
1 stop11h 55m
Lufthansa
Tue 6/239:50 am
OLB
- ORD
1 stop17h 05m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$1,111
This Delta deal was found by Cheapflights users on 2/1. 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.
Mon 6/87:10 am
ORD
- OLB
2 stops18h 50m
Delta
Thu 6/2511:20 am
OLB
- ORD
2 stops27h 06m
Delta
Deal found 2/1![Delta logo]()
$1,119
This Ovago deal was found by Cheapflights users on 2/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/212:10 pm
ORD
- CAG
2 stops16h 40m
Multiple Airlines
Mon 3/305:05 pm
CAG
- ORD
1 stop28h 10m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,167
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:35 pm
ORD
- OLB
1 stop18h 00m
Lufthansa
Thu 6/2512:00 pm
OLB
- ORD
1 stop13h 15m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$1,114
This Ovago deal was found by Cheapflights users on 1/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:25 am
STL
- CAG
2 stops26h 20m
Lufthansa
Tue 7/146:35 pm
CAG
- STL
2 stops28h 11m
Lufthansa
Deal found 1/31![Lufthansa logo]()
$1,120
This KLM deal was found by Cheapflights users on 1/31. 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 4/151:03 pm
STL
- CAG
2 stops20h 22m
KLM
Sat 4/185:05 pm
CAG
- STL
2 stops29h 27m
KLM
Deal found 1/31![KLM logo]()
$1,393
This Air Canada deal was found by Cheapflights users on 1/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:05 pm
STL
- CAG
2 stops42h 40m
Multiple Airlines
Sat 4/189:10 am
CAG
- STL
3 stops19h 37m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$1,607
Last-minute flights from Illinois to SardiniaDiscover last-minute flight deals from Illinois to Sardinia. Data last updated February 2, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Sardinia. Data last updated February 2, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 2/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/51:57 pm
ORD
- CAG
2 stops15h 53m
Multiple Airlines
Sat 2/79:30 am
CAG
- ORD
2 stops18h 23m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$3,106
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/131:37 pm
ORD
- CAG
2 stops17h 13m
Multiple Airlines
Fri 3/206:00 am
CAG
- ORD
2 stops17h 10m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$9,295
This Mytrip deal was found by Cheapflights users on 2/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:50 pm
STL
- OLB
2 stops23h 50m
Multiple Airlines
Wed 3/257:00 am
OLB
- STL
3 stops21h 59m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$763
This Ovago deal was found by Cheapflights users on 2/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/212:10 pm
ORD
- CAG
2 stops16h 40m
Multiple Airlines
Mon 3/305:05 pm
CAG
- ORD
1 stop28h 10m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,167
One-way flights from Illinois to SardiniaSearch for one-way flight options from Illinois to Sardinia. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
Search for one-way flight options from Illinois to Sardinia. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Tue 6/309:00 pm
ORD
- OLB
3 stops27h 55m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$449
This Trip.com deal was found by Cheapflights users on 2/1. 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.
Wed 5/206:00 pm
ORD
- CAG
2 stops21h 35m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$497
This KLM deal was found by Cheapflights users on 2/1. 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 5/204:50 pm
ORD
- CAG
1 stop16h 35m
KLM
Deal found 2/1![KLM logo]()
$687
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Tue 6/304:20 pm
ORD
- OLB
1 stop33h 00m
Austrian Airlines
Deal found 2/2![Austrian Airlines logo]()
$837
This FlightHub deal was found by Cheapflights users on 2/2. 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 6/304:05 pm
ORD
- OLB
2 stops17h 30m
Lufthansa
Deal found 2/2![Lufthansa logo]()
$863
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Tue 4/287:25 pm
ORD
- CAG
3 stops44h 10m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,350
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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.
Tue 4/289:40 pm
ORD
- CAG
1 stop13h 05m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$3,499
Find flight deals from Illinois to Sardinia
Keep the following information in mind while searching for Illinois to Sardinia flight deals. Data was last updated February 2, 2026.
Round-trip from | $763 (Mytrip) |
|---|---|
One-way from | $497 (Trip.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Sardinia 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 February 2, 2026.
Use the filters below to find and compare flights from Illinois to Sardinia that are best for you.
Fly from
Illinois
Fly to
Sardinia
Route
Depart
Return
Price
St. LouisOlbia
STL - OLB
STLOLB
Lambert-St Louis
Wed 3/18
4:50 pm-10:40 pm
2 stops23h 50m
Olbia Costa Smeralda
Wed 3/25
7:00 am-10:59 pm
3 stops21h 59m
$763
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
$938
ChicagoOlbia
ORD - OLB
ORDOLB
Chicago O'Hare Intl
Tue 6/9
9:40 pm-4:35 pm
1 stop11h 55m
Olbia Costa Smeralda
Tue 6/23
12:00 pm-6:15 pm
1 stop13h 15m
$1,039
ChicagoOlbia
ORD - OLB
ORDOLB
Chicago O'Hare Intl
Wed 5/27
9:40 pm-4:35 pm
1 stop11h 55m
Olbia Costa Smeralda
Tue 6/2
12:00 pm-6:15 pm
1 stop13h 15m
$1,039
ChicagoOlbia
ORD - OLB
ORDOLB
Chicago O'Hare Intl
Thu 7/23
3:35 pm-4:35 pm
1 stop18h 00m
Olbia Costa Smeralda
Sat 8/1
9:10 pm-12:35 pm
1 stop22h 25m
$1,058
ChicagoCagliari
ORD - CAG
ORDCAG
Chicago O'Hare Intl
Wed 5/20
9:55 am-5:45 pm
2 stops24h 50m
Cagliari Elmas
Tue 5/26
6:35 pm-12:35 pm
1 stop25h 00m
$1,060
ChicagoCagliari
ORD - CAG
ORDCAG
Chicago O'Hare Intl
Wed 5/27
4:30 pm-8:50 am
2 stops33h 20m
Cagliari Elmas
Tue 6/2
9:35 am-2:15 pm
2 stops35h 40m
$1,104
ChicagoOlbia
ORD - OLB
ORDOLB
Chicago O'Hare Intl
Wed 6/10
9:40 pm-4:35 pm
1 stop11h 55m
Olbia Costa Smeralda
Tue 6/23
9:50 am-7:55 pm
1 stop17h 05m
$1,111
ChicagoOlbia
ORD - OLB
ORDOLB
Chicago O'Hare Intl
Wed 6/10
3:35 pm-4:35 pm
1 stop18h 00m
Olbia Costa Smeralda
Thu 6/25
12:00 pm-6:15 pm
1 stop13h 15m
$1,114
ChicagoOlbia
ORD - OLB
ORDOLB
Chicago O'Hare Intl
Wed 6/10
7:10 am-9:00 am
2 stops18h 50m
Olbia Costa Smeralda
Thu 6/25
11:20 am-7:26 am
2 stops27h 06m
$1,119
Showing 1-10 of 26 results
Best time to book a flight from Illinois to Sardinia
Have a flexible travel schedule? Discover the best time to fly to Sardinia from Illinois with our price prediction graph.
STL-OLB
ORD-CAG
ORD-OLB
STL-CAG
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 Sardinia
USIL-ITSA
STL-OLB
ORD-CAG
ORD-OLB
STL-CAG
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Sardinia
Get insights into the airlines that provide service to Sardinia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sardinia. Reviews last updated February 2, 2026.
Peruse reviews from past customers who have flown with Lufthansa from Illinois to Sardinia to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.0
Overall
6.8
Food
6.3
Crew
7.6
Comfort
6.8
Entertainment
6.5
Reviews
1 / 20
6.0
GoodAnonymous,Dec 2025
SFO - MUC
Boarding
7.0
Overall
6.8
Food
6.3
Crew
7.6
Comfort
6.8
Entertainment
6.5
Reviews
1 / 20
6.0
GoodAnonymous,Dec 2025
SFO - MUC
Related info for your journey
Find useful and relevant information for your journey from Illinois to Sardinia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Illinois to Sardinia
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Illinois to Sardinia
Discover the top airline that operate flights from Illinois to Sardinia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$827 | Average$1,290 | FlexibilityNo cancel fee | On-time76% |