What is the cheapest airline that flies from Illinois to Sardinia?

SWISS and Lufthansa are the most popular carriers operating from Illinois to Sardinia

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 August 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.

$335 Cheap Flights from Illinois to Sardinia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Sardinia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:05 pm - 8:35 pmORD Chicago O'Hare Intl-OLB Olbia Costa Smeralda

18h 30m1 stop Zurich

8:45 am - 12:35 pmOLB Olbia Costa Smeralda-ORD Chicago O'Hare Intl

34h 50m1 stop Zurich

$868SWISS

Mon, Aug 24 - Mon, Sep 7

6:30 pm - 8:00 pmORD Chicago O'Hare Intl-OLB Olbia Costa Smeralda

18h 30m2 stops Reykjavik Keflavik Intl Berlin Brandenburg

4:50 pm - 4:45 pmOLB Olbia Costa Smeralda-ORD Chicago O'Hare Intl

30h 55m3 stops Milan Malpensa Gdansk Rebiechowo Kastrup Copenhagen

$893Multiple Airlines

Sun, Nov 1 - Sun, Nov 15

7:30 pm - 12:35 pmORD Chicago O'Hare Intl-CAG Cagliari Elmas

35h 05m3 stops Reykjavik Keflavik Intl Brussels Bruxelles-National Barcelona-El Prat

5:20 pm - 4:15 pmCAG Cagliari Elmas-ORD Chicago O'Hare Intl

29h 55m2 stops Milan Malpensa Paris Charles de Gaulle

$903Multiple Airlines

Mon, Oct 26 - Sun, Nov 1

7:25 pm - 6:25 pmORD Chicago O'Hare Intl-OLB Olbia Costa Smeralda

16h 00m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

2:05 pm - 3:55 pmOLB Olbia Costa Smeralda-ORD Chicago O'Hare Intl

32h 50m1 stop London Heathrow

$906Multiple Airlines

Fri, Oct 2 - Sat, Oct 17

6:30 pm - 8:00 pmORD Chicago O'Hare Intl-OLB Olbia Costa Smeralda

18h 30m2 stops Reykjavik Keflavik Intl Berlin Brandenburg

3:50 pm - 2:55 pmOLB Olbia Costa Smeralda-ORD Chicago O'Hare Intl

30h 05m1 stop Madrid Barajas

$917Multiple Airlines

Sun, Nov 1 - Sun, Nov 15

4:55 pm - 2:40 pmORD Chicago O'Hare Intl-OLB Olbia Costa Smeralda

14h 45m1 stop Madrid Barajas

8:20 pm - 5:50 pmOLB Olbia Costa Smeralda-ORD Chicago O'Hare Intl

28h 30m2 stops Stockholm Arlanda Helsinki-Vantaa

$920Multiple Airlines

Mon, Oct 5 - Sat, Oct 17

10:30 pm - 5:30 pmORD Chicago O'Hare Intl-OLB Olbia Costa Smeralda

12h 00m1 stop Frankfurt am Main

9:10 pm - 6:15 pmOLB Olbia Costa Smeralda-ORD Chicago O'Hare Intl

28h 05m1 stop Munich Franz Josef Strauss

$921Lufthansa

Sun, Oct 4 - Sat, Oct 17

6:30 pm - 8:00 pmORD Chicago O'Hare Intl-OLB Olbia Costa Smeralda

18h 30m2 stops Reykjavik Keflavik Intl Berlin Brandenburg

3:50 pm - 2:55 pmOLB Olbia Costa Smeralda-ORD Chicago O'Hare Intl

30h 05m1 stop Madrid Barajas

$928Multiple Airlines

Sun, Nov 1 - Sun, Nov 15

3:35 pm - 11:15 amORD Chicago O'Hare Intl-OLB Olbia Costa Smeralda

12h 40m1 stop Munich Franz Josef Strauss

6:25 pm - 12:55 pmOLB Olbia Costa Smeralda-ORD Chicago O'Hare Intl

25h 30m1 stop Frankfurt am Main

$931Lufthansa

Mon, Oct 12 - Mon, Oct 19

3:35 pm - 11:15 amORD Chicago O'Hare Intl-OLB Olbia Costa Smeralda

12h 40m1 stop Munich Franz Josef Strauss

6:25 pm - 12:55 pmOLB Olbia Costa Smeralda-ORD Chicago O'Hare Intl

25h 30m1 stop Frankfurt am Main

$943Lufthansa

Mon, Oct 12 - Mon, Oct 19

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SWISS flights from Illinois to Sardinia

Our best SWISS deals on Illinois to Sardinia flight tickets

SWISS

Aug 24

ORD7:05 pmChicago O'Hare Intl

18h 30m

1 stop

OLB8:35 pmOlbia Costa Smeralda

Sep 7

OLB8:45 amOlbia Costa Smeralda

34h 50m

1 stop

ORD12:35 pmChicago O'Hare Intl

$868

SWISS

Oct 2

ORD2:20 pmChicago O'Hare Intl

23h 05m

1 stop

OLB8:25 pmOlbia Costa Smeralda

Oct 17

OLB9:15 pmOlbia Costa Smeralda

22h 20m

1 stop

ORD12:35 pmChicago O'Hare Intl

$1,008

SWISS

Sep 18

ORD2:20 pmChicago O'Hare Intl

34h 10m

1 stop

OLB7:30 amOlbia Costa Smeralda

Sep 27

OLB8:20 amOlbia Costa Smeralda

35h 15m

1 stop

ORD12:35 pmChicago O'Hare Intl

$1,104

Lufthansa flights from Illinois to Sardinia

Our best Lufthansa deals on Illinois to Sardinia flight tickets

Lufthansa

Oct 4

ORD10:30 pmChicago O'Hare Intl

12h 00m

1 stop

OLB5:30 pmOlbia Costa Smeralda

Oct 17

OLB9:10 pmOlbia Costa Smeralda

28h 05m

1 stop

ORD6:15 pmChicago O'Hare Intl

$921

Lufthansa

Oct 12

ORD3:35 pmChicago O'Hare Intl

12h 40m

1 stop

OLB11:15 amOlbia Costa Smeralda

Oct 19

OLB6:25 pmOlbia Costa Smeralda

25h 30m

1 stop

ORD12:55 pmChicago O'Hare Intl

$931

Lufthansa

Oct 12

ORD3:35 pmChicago O'Hare Intl

12h 40m

1 stop

OLB11:15 amOlbia Costa Smeralda

Oct 19

OLB5:30 pmOlbia Costa Smeralda

26h 25m

2 stops

ORD12:55 pmChicago O'Hare Intl

$947

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOlbia

ORD Chicago O'Hare Intl - OLB Olbia Costa Smeralda

ORDOLB

Chicago O'Hare Intl

Mon 8/24

7:05 pm-8:35 pm

1 stop18h 30m

Olbia Costa Smeralda

Mon 9/7

8:45 am-12:35 pm

1 stop34h 50m

$868

ChicagoOlbia

ORD Chicago O'Hare Intl - OLB Olbia Costa Smeralda

ORDOLB

Chicago O'Hare Intl

Sun 11/1

6:30 pm-8:00 pm

2 stops18h 30m

Olbia Costa Smeralda

Sun 11/15

4:50 pm-4:45 pm

3 stops30h 55m

$893

ChicagoCagliari

ORD Chicago O'Hare Intl - CAG Cagliari Elmas

ORDCAG

Chicago O'Hare Intl

Mon 10/26

7:30 pm-12:35 pm

3 stops35h 05m

Cagliari Elmas

Sun 11/1

5:20 pm-4:15 pm

2 stops29h 55m

$903

ChicagoOlbia

ORD Chicago O'Hare Intl - OLB Olbia Costa Smeralda

ORDOLB

Chicago O'Hare Intl

Fri 10/2

7:25 pm-6:25 pm

2 stops16h 00m

Olbia Costa Smeralda

Sat 10/17

2:05 pm-3:55 pm

1 stop32h 50m

$906

ChicagoOlbia

ORD Chicago O'Hare Intl - OLB Olbia Costa Smeralda

ORDOLB

Chicago O'Hare Intl

Sun 11/1

6:30 pm-8:00 pm

2 stops18h 30m

Olbia Costa Smeralda

Sun 11/15

3:50 pm-2:55 pm

1 stop30h 05m

$917

ChicagoOlbia

ORD Chicago O'Hare Intl - OLB Olbia Costa Smeralda

ORDOLB

Chicago O'Hare Intl

Mon 10/5

4:55 pm-2:40 pm

1 stop14h 45m

Olbia Costa Smeralda

Sat 10/17

8:20 pm-5:50 pm

2 stops28h 30m

$920

ChicagoOlbia

ORD Chicago O'Hare Intl - OLB Olbia Costa Smeralda

ORDOLB

Chicago O'Hare Intl

Sun 10/4

10:30 pm-5:30 pm

1 stop12h 00m

Olbia Costa Smeralda

Sat 10/17

9:10 pm-6:15 pm

1 stop28h 05m

$921

ChicagoOlbia

ORD Chicago O'Hare Intl - OLB Olbia Costa Smeralda

ORDOLB

Chicago O'Hare Intl

Sun 11/1

6:30 pm-8:00 pm

2 stops18h 30m

Olbia Costa Smeralda

Sun 11/15

3:50 pm-2:55 pm

1 stop30h 05m

$928

Quickest round-trip

ChicagoOlbia

ORD Chicago O'Hare Intl - OLB Olbia Costa Smeralda

ORDOLB

Chicago O'Hare Intl

Mon 10/12

3:35 pm-11:15 am

1 stop12h 40m

Olbia Costa Smeralda

Mon 10/19

6:25 pm-12:55 pm

1 stop25h 30m

$931

ChicagoOlbia

ORD Chicago O'Hare Intl - OLB Olbia Costa Smeralda

ORDOLB

Chicago O'Hare Intl

Mon 10/12

3:35 pm-11:15 am

1 stop12h 40m

Olbia Costa Smeralda

Mon 10/19

6:25 pm-12:55 pm

1 stop25h 30m

$943

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Sardinia

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

Prices

Airlines

Can stopping save me money on Illinois to Sardinia flights?

You could potentially save up to 24% on your flight if you consider stops on a Illinois to Sardinia flight.

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	12h 40m
Direct flights	None

The fastest flight from Illinois to Sardinia takes 12h 40m

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

Search flight deals

Frequently asked questions about flying from Illinois to Sardinia

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 August 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 $880	Free Cancellation	Rating 6.8 8,176 reviews		Search Lufthansa flights

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.