How do I get Price Alerts for flights from Illinois to Sardinia?

Search flight deals from Illinois to Sardinia . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Illinois to Sardinia with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Illinois to Sardinia?

Prices for flights from Illinois to Sardinia refresh daily.

How many operators does momondo search for flights from Illinois to Sardinia?

As of March 2026, there is 1 operator available to choose from for flights from Illinois to Sardinia.

How old do you have to be to fly from Illinois to Sardinia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Sardinia.

What documentation or ID do you need to fly to Sardinia?

The necessary travel and health documents for your Sardinia 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.

$394 Cheap Flights from Illinois to Sardinia in 2026

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Find the cheapest flights from Illinois to Sardinia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 pm - 9:30 pm

ORD

OLB

18h 20m

2 stops

3:40 pm - 9:40 am

OLB

ORD

25h 00m

2 stops

$852Multiple Airlines

Sun, Sep 20 - Sun, Sep 27

2:15 pm - 5:45 pm

STL

CAG

20h 30m

2 stops

6:35 pm - 8:25 pm

CAG

STL

56h 50m

2 stops

$889Multiple Airlines

Tue, May 5 - Tue, May 12

10:25 pm - 4:25 pm

ORD

CAG

35h 00m

3 stops

8:35 am - 9:25 pm

CAG

ORD

19h 50m

2 stops

$890Multiple Airlines

Wed, May 6 - Wed, May 13

7:09 pm - 4:35 pm

STL

OLB

14h 26m

2 stops

5:30 pm - 9:13 pm

OLB

STL

34h 43m

2 stops

$902Lufthansa

Mon, May 4 - Mon, May 11

3:35 pm - 4:35 pm

ORD

OLB

18h 00m

1 stop

12:00 pm - 6:15 pm

OLB

ORD

13h 15m

1 stop

$945Lufthansa

Wed, Aug 26 - Thu, Sep 10

9:35 pm - 6:55 pm

STL

OLB

14h 20m

1 stop

7:40 pm - 7:30 pm

OLB

STL

30h 50m

1 stop

$975British Airways

Fri, Aug 21 - Tue, Aug 25

2:20 pm - 8:25 pm

ORD

OLB

23h 05m

1 stop

9:20 pm - 12:35 pm

OLB

ORD

22h 15m

1 stop

$1,007SWISS

Fri, May 15 - Thu, May 21

9:35 pm - 6:55 pm

STL

OLB

14h 20m

1 stop

7:40 pm - 7:30 pm

OLB

STL

30h 50m

1 stop

$1,034British Airways

Fri, Aug 21 - Tue, Aug 25

6:59 pm - 4:25 pm

STL

CAG

14h 26m

2 stops

5:05 pm - 8:44 pm

CAG

STL

34h 39m

2 stops

$1,059KLM

Wed, Apr 8 - Sun, Apr 12

3:42 pm - 4:25 pm

STL

CAG

17h 43m

2 stops

5:05 pm - 4:58 pm

CAG

STL

30h 53m

2 stops

$1,223KLM

Wed, Jul 1 - Tue, Jul 14

Iberia flights from Illinois to Sardinia

Our best Iberia deals on Illinois to Sardinia flight tickets

Iberia

Aug 16

STL8:00 pmLambert-St Louis

39h 50m

2 stops

CAG6:50 pmCagliari Elmas

Aug 20

CAG7:30 pmCagliari Elmas

35h 11m

2 stops

STL11:41 pmLambert-St Louis

$1,514

Iberia

Apr 18

ORD7:00 pmChicago O'Hare Intl

54h 50m

2 stops

CAG8:50 amCagliari Elmas

Apr 22

CAG2:00 pmCagliari Elmas

36h 15m

2 stops

ORD7:15 pmChicago O'Hare Intl

$1,727

Iberia

Apr 18

ORD7:00 pmChicago O'Hare Intl

54h 50m

2 stops

CAG8:50 amCagliari Elmas

Apr 22

CAG2:00 pmCagliari Elmas

30h 20m

1 stop

ORD1:20 pmChicago O'Hare Intl

$1,743

KLM flights from Illinois to Sardinia

Our best KLM deals on Illinois to Sardinia flight tickets

KLM

Apr 8

STL6:59 pmLambert-St Louis

14h 26m

2 stops

CAG4:25 pmCagliari Elmas

Apr 12

CAG5:05 pmCagliari Elmas

34h 39m

2 stops

STL8:44 pmLambert-St Louis

$1,059

KLM

May 13

ORD4:50 pmChicago O'Hare Intl

16h 35m

1 stop

CAG4:25 pmCagliari Elmas

May 17

CAG5:05 pmCagliari Elmas

28h 25m

1 stop

ORD2:30 pmChicago O'Hare Intl

$1,165

KLM

Jul 1

STL3:42 pmLambert-St Louis

17h 43m

2 stops

CAG4:25 pmCagliari Elmas

Jul 14

CAG5:05 pmCagliari Elmas

30h 53m

2 stops

STL4:58 pmLambert-St Louis

$1,223

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Sun 9/20

8:10 pm-9:30 pm

2 stops18h 20m

Olbia Costa Smeralda

Sun 9/27

3:40 pm-9:40 am

2 stops25h 00m

$852

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Tue 5/5

2:15 pm-5:45 pm

2 stops20h 30m

Cagliari Elmas

Tue 5/12

6:35 pm-8:25 pm

2 stops56h 50m

$889

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Wed 5/6

10:25 pm-4:25 pm

3 stops35h 00m

Cagliari Elmas

Wed 5/13

8:35 am-9:25 pm

2 stops19h 50m

$890

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Mon 5/4

7:09 pm-4:35 pm

2 stops14h 26m

Olbia Costa Smeralda

Mon 5/11

5:30 pm-9:13 pm

2 stops34h 43m

$902

Quickest round-trip

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Wed 8/26

3:35 pm-4:35 pm

1 stop18h 00m

Olbia Costa Smeralda

Thu 9/10

12:00 pm-6:15 pm

1 stop13h 15m

$945

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Fri 8/21

9:35 pm-6:55 pm

1 stop14h 20m

Olbia Costa Smeralda

Tue 8/25

7:40 pm-7:30 pm

1 stop30h 50m

$975

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Fri 5/15

2:20 pm-8:25 pm

1 stop23h 05m

Olbia Costa Smeralda

Thu 5/21

9:20 pm-12:35 pm

1 stop22h 15m

$1,007

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Fri 8/21

9:35 pm-6:55 pm

1 stop14h 20m

Olbia Costa Smeralda

Tue 8/25

7:40 pm-7:30 pm

1 stop30h 50m

$1,034

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Wed 4/8

6:59 pm-4:25 pm

2 stops14h 26m

Cagliari Elmas

Sun 4/12

5:05 pm-8:44 pm

2 stops34h 39m

$1,059

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Wed 7/1

3:42 pm-4:25 pm

2 stops17h 43m

Cagliari Elmas

Tue 7/14

5:05 pm-4:58 pm

2 stops30h 53m

$1,223

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Cheap Illinois to Sardinia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Sardinia

Fastest flight time	11h 55m
Direct flights	None

The fastest flight from Illinois to Sardinia takes 11h 55m

There are no direct flights from Illinois to Sardinia. There are no popular flight routes from Illinois to Sardinia.

Search flight deals

When did momondo last update prices for flights from Illinois to Sardinia?
Prices for flights from Illinois to Sardinia refresh daily.
How many operators does momondo search for flights from Illinois to Sardinia?
As of March 2026, there is 1 operator available to choose from for flights from Illinois to Sardinia.
How old do you have to be to fly from Illinois to Sardinia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Sardinia.
What documentation or ID do you need to fly to Sardinia?
The necessary travel and health documents for your Sardinia 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.

Best airlines flying from Illinois to Sardinia

Compare and see reviews for airlines that fly from Illinois to Sardinia with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $784	Free Cancellation	Rating 6.8 7,864 reviews		Search Lufthansa flights

How do I get Price Alerts for flights from Illinois to Sardinia?
Search flight deals from Illinois to Sardinia. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Illinois to Sardinia with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Sardinia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Sardinia for you.

Can I find flights from Illinois to Sardinia with flexible booking policies on momondo?

Flights from Illinois to Sardinia 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 Illinois to Sardinia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sardinia from Illinois.

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

Yes momondo offers price alerts on flights to Sardinia from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.