HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Olbia

$471+ Cheap flights from Illinois to Olbia (OLB)

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OLB
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Olbia 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 Olbia

Keep the following information in mind while searching for Illinois to Olbia flight deals. Data was last updated septiembre 11, 2025.

Round-trip from

$703
(FlightHub)

One-way from

$471
(Kiwi.com)
From Illinois to Olbia Costa Smeralda
Search Deals
One-way flight from Illinois to Olbia Costa Smeralda
Search Deals

Find flight deals from Illinois to Olbia

Cheapest flights from Illinois to Olbia
Explore the most affordable flight options available from Illinois to Olbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/10. 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.
lun. 9/293:35 pmORD - OLB
1 stop18h 00mLufthansa
lun. 10/136:30 pmOLB - ORD
1 stop25h 25mLufthansa
Deal found 9/10$703
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/119:12 pmORD - OLB
2 stops36h 23mMultiple Airlines
sáb. 10/189:15 pmOLB - ORD
1 stop22h 15mMultiple Airlines
Deal found 9/11$774
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
sáb. 10/119:40 pmORD - OLB
1 stop11h 55mLufthansa
sáb. 10/189:15 pmOLB - ORD
1 stop22h 15mLufthansa
Deal found 9/11$809
This FlightHub deal was found by Cheapflights users on 9/10. 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.
vie. 10/107:05 pmORD - OLB
1 stop29h 25mSWISS
vie. 10/248:40 amOLB - ORD
1 stop14h 15mSWISS
Deal found 9/10$832
This Delta deal was found by Cheapflights users on 9/10. 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.
vie. 10/106:59 pmORD - OLB
2 stops41h 01mDelta
vie. 10/241:30 pmOLB - ORD
1 stop32h 30mDelta
Deal found 9/10$985
This Gurufare deal was found by Cheapflights users on 9/11. 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.
vie. 10/104:00 pmORD - OLB
2 stops17h 35mMultiple Airlines
vie. 10/248:40 amOLB - ORD
1 stop14h 15mMultiple Airlines
Deal found 9/11$990
This Ovago deal was found by Cheapflights users on 9/11. 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.
vie. 12/1911:41 amSTL - OLB
2 stops22h 44mMultiple Airlines
dom. 12/287:20 pmOLB - STL
2 stops55h 02mMultiple Airlines
Deal found 9/11$2,091

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Olbia 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 septiembre 11, 2025.
Use the filters below to find and compare flights from Illinois to Olbia that are best for you.

Fly from

Illinois

Fly to

Olbia

Route

Depart

Return

Price

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

lun. 9/29

3:35 pm-4:35 pm

1 stop18h 00m

Olbia Costa Smeralda

lun. 10/13

6:30 pm-12:55 pm

1 stop25h 25m

$703

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

sáb. 10/11

9:12 pm-4:35 pm

2 stops36h 23m

Olbia Costa Smeralda

sáb. 10/18

9:15 pm-12:30 pm

1 stop22h 15m

$774

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

sáb. 10/11

9:40 pm-4:35 pm

1 stop11h 55m

Olbia Costa Smeralda

sáb. 10/18

9:15 pm-12:30 pm

1 stop22h 15m

$809

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

vie. 10/10

7:05 pm-7:30 am

1 stop29h 25m

Olbia Costa Smeralda

vie. 10/24

8:40 am-3:55 pm

1 stop14h 15m

$832

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

vie. 10/10

6:59 pm-7:00 pm

2 stops41h 01m

Olbia Costa Smeralda

vie. 10/24

1:30 pm-3:00 pm

1 stop32h 30m

$985

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

vie. 10/10

4:00 pm-4:35 pm

2 stops17h 35m

Olbia Costa Smeralda

vie. 10/24

8:40 am-3:55 pm

1 stop14h 15m

$990

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

vie. 12/19

11:41 am-5:25 pm

2 stops22h 44m

Olbia Costa Smeralda

dom. 12/28

7:20 pm-7:22 pm

2 stops55h 02m

$2,091

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

mié. 9/17

7:55 pm-10:40 pm

3 stops43h 45m

$471

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

mié. 9/17

3:30 pm-5:35 pm

1 stop19h 05m

$791

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Illinois to Olbia

Have a flexible travel schedule? Discover the best time to fly to Olbia 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 Olbia
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 Olbia. 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 Olbia from Illinois?

    For a flight from Illinois to Olbia, you will be flying into Costa Smeralda. Olbia Costa Smeralda (OLB) is just 1.9 mi from the center of the city.

  • How long is the flight from Illinois to Olbia?

    There are many flights that can get you from Illinois to Olbia in 18h. Fly via Lufthansa to get the fastest option. There are 4735 mi between Illinois and Olbia.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Olbia 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

Traveling to a place near Olbia?

Book flights to Olbia if you plan to visit one of these locations
Golfo Aranci

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 Olbia

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Olbia flights
Boston to Olbia flights
Newark to Olbia flights
Boston to Cagliari flights
LaGuardia to Olbia flights
John F Kennedy Intl to Cagliari flights
San Francisco to Cagliari flights
San Diego to Olbia flights
Newark to Cagliari flights
O'Hare Intl to Cagliari flights
Los Angeles to Olbia flights
John F Kennedy Intl to Alghero flights
Miami to Cagliari flights
LaGuardia to Cagliari flights
Philadelphia to Cagliari flights
Dulles Intl to Olbia flights
Los Angeles to Cagliari flights
Denver to Cagliari flights
Seattle to Cagliari flights
O'Hare Intl to Olbia flights
Newark to Alghero flights
Seattle to Olbia flights
Denver to Olbia flights
Dulles Intl to Cagliari flights
Philadelphia to Olbia flights
San Francisco to Olbia flights
Reagan-National to Olbia flights
Reagan-National to Cagliari flights
Sky Harbor Intl to Cagliari flights
Boston to Alghero flights
Baltimore to Olbia flights
Hartford to Olbia flights
Cincinnati to Olbia flights
Las Vegas to Cagliari flights
Miami to Olbia flights
St. Louis to Olbia flights
Raleigh to Cagliari flights
Oakland to Olbia flights
Providence to Olbia flights
San Jose to Olbia flights
Columbus to Cagliari flights
Baltimore to Alghero flights
Fort Lauderdale to Alghero flights

Top airline flying from Illinois to Olbia

Discover the top airline that operate flights from Illinois to Olbia. 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$827Average$1,456FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.