Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Illinois to Olbia from $700

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Olbia departing on 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Illinois to Olbia

Cheap round-trip flights

Lufthansa Logo
3:35 pm - 4:35 pmORD-OLB
18h 00m1 stop
Lufthansa Logo
6:30 pm - 12:55 pmOLB-ORD
25h 25m1 stop
$700Lufthansa
Find Deal
Mon, Sep 29 - Mon, Oct 13
Lufthansa Logo
9:40 pm - 4:35 pmORD-OLB
11h 55m1 stop
Lufthansa Logo
12:00 pm - 12:30 pmOLB-ORD
31h 30m1 stop
$704Lufthansa
Find Deal
Mon, Sep 29 - Mon, Oct 13
Lufthansa Logo
3:35 pm - 11:15 amORD-OLB
12h 40m1 stop
Lufthansa Logo
5:30 pm - 12:55 pmOLB-ORD
26h 25m2 stops
$715Lufthansa
Find Deal
Mon, Sep 29 - Mon, Oct 13
Lufthansa Logo
4:00 pm - 4:35 pmORD-OLB
17h 35m2 stops
Lufthansa Logo
12:00 pm - 12:55 pmOLB-ORD
31h 55m2 stops
$740Lufthansa
Find Deal
Mon, Sep 29 - Mon, Oct 13
Lufthansa Logo
4:00 pm - 4:35 pmORD-OLB
17h 35m2 stops
Lufthansa Logo
5:30 pm - 12:55 pmOLB-ORD
26h 25m2 stops
$741Lufthansa
Find Deal
Mon, Sep 29 - Mon, Oct 13
Lufthansa Logo
6:43 pm - 2:45 pmSTL-OLB
38h 02m2 stops
Lufthansa Logo
6:15 pm - 5:39 pmOLB-STL
30h 24m2 stops
$836Lufthansa
Find Deal
Fri, Oct 31 - Fri, Nov 7
SWISS Logo
7:05 pm - 7:30 amORD-OLB
29h 25m1 stop
SWISS Logo
8:40 am - 3:55 pmOLB-ORD
14h 15m1 stop
$941SWISS
Find Deal
Fri, Oct 10 - Fri, Oct 24
SWISS Logo
7:05 pm - 7:30 amORD-OLB
29h 25m1 stop
SWISS Logo
8:40 am - 3:55 pmOLB-ORD
14h 15m1 stop
$978SWISS
Find Deal
Fri, Oct 10 - Fri, Oct 24
SWISS Logo
7:05 pm - 7:30 amORD-OLB
29h 25m1 stop
SWISS Logo
8:40 am - 3:55 pmOLB-ORD
14h 15m1 stop
$981SWISS
Find Deal
Fri, Oct 10 - Fri, Oct 24
Multiple Airlines Logo
4:00 pm - 11:15 amORD-OLB
36h 15m2 stops
Multiple Airlines Logo
8:40 am - 3:55 pmOLB-ORD
14h 15m1 stop
$1,112Multiple Airlines
Find Deal
Fri, Oct 10 - Fri, Oct 24

SWISS flights from Illinois to Olbia

Our best SWISS deals on Illinois to Olbia flight tickets
SWISS
Oct 10
ORD7:05 pmChicago O'Hare Intl
29h 25m
1 stop
OLB7:30 amOlbia Costa Smeralda
Oct 24
OLB8:40 amOlbia Costa Smeralda
14h 15m
1 stop
ORD3:55 pmChicago O'Hare Intl
$941
Find similar
SWISS
Oct 10
ORD7:05 pmChicago O'Hare Intl
29h 25m
1 stop
OLB7:30 amOlbia Costa Smeralda
Oct 24
OLB8:40 amOlbia Costa Smeralda
14h 15m
1 stop
ORD3:55 pmChicago O'Hare Intl
$978
Find similar
SWISS
Oct 10
ORD7:05 pmChicago O'Hare Intl
29h 25m
1 stop
OLB7:30 amOlbia Costa Smeralda
Oct 24
OLB8:40 amOlbia Costa Smeralda
14h 15m
1 stop
ORD3:55 pmChicago O'Hare Intl
$981
Find similar

Lufthansa flights from Illinois to Olbia

Our best Lufthansa deals on Illinois to Olbia flight tickets
Lufthansa
Sep 29
ORD3:35 pmChicago O'Hare Intl
18h 00m
1 stop
OLB4:35 pmOlbia Costa Smeralda
Oct 13
OLB6:30 pmOlbia Costa Smeralda
25h 25m
1 stop
ORD12:55 pmChicago O'Hare Intl
$700
Find similar
Lufthansa
Sep 29
ORD9:40 pmChicago O'Hare Intl
11h 55m
1 stop
OLB4:35 pmOlbia Costa Smeralda
Oct 13
OLB12:00 pmOlbia Costa Smeralda
31h 30m
1 stop
ORD12:30 pmChicago O'Hare Intl
$704
Find similar
Lufthansa
Sep 29
ORD3:35 pmChicago O'Hare Intl
12h 40m
1 stop
OLB11:15 amOlbia Costa Smeralda
Oct 13
OLB5:30 pmOlbia Costa Smeralda
26h 25m
2 stops
ORD12:55 pmChicago O'Hare Intl
$715
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Illinois to Olbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Mon 9/29

3:35 pm-4:35 pm

1 stop18h 00m

Olbia Costa Smeralda

Mon 10/13

6:30 pm-12:55 pm

1 stop25h 25m

$700

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Mon 9/29

9:40 pm-4:35 pm

1 stop11h 55m

Olbia Costa Smeralda

Mon 10/13

12:00 pm-12:30 pm

1 stop31h 30m

$704

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Mon 9/29

3:35 pm-11:15 am

1 stop12h 40m

Olbia Costa Smeralda

Mon 10/13

5:30 pm-12:55 pm

2 stops26h 25m

$715

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Mon 9/29

4:00 pm-4:35 pm

2 stops17h 35m

Olbia Costa Smeralda

Mon 10/13

12:00 pm-12:55 pm

2 stops31h 55m

$740

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Mon 9/29

4:00 pm-4:35 pm

2 stops17h 35m

Olbia Costa Smeralda

Mon 10/13

5:30 pm-12:55 pm

2 stops26h 25m

$741

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Fri 10/31

6:43 pm-2:45 pm

2 stops38h 02m

Olbia Costa Smeralda

Fri 11/7

6:15 pm-5:39 pm

2 stops30h 24m

$836

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Fri 10/10

7:05 pm-7:30 am

1 stop29h 25m

Olbia Costa Smeralda

Fri 10/24

8:40 am-3:55 pm

1 stop14h 15m

$941

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Fri 10/10

7:05 pm-7:30 am

1 stop29h 25m

Olbia Costa Smeralda

Fri 10/24

8:40 am-3:55 pm

1 stop14h 15m

$978

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Fri 10/10

7:05 pm-7:30 am

1 stop29h 25m

Olbia Costa Smeralda

Fri 10/24

8:40 am-3:55 pm

1 stop14h 15m

$981

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Fri 10/10

4:00 pm-11:15 am

2 stops36h 15m

Olbia Costa Smeralda

Fri 10/24

8:40 am-3:55 pm

1 stop14h 15m

$1,112

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Olbia from

How to get the cheapest flight ticket from Illinois to Olbia

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

What is the cheapest day to depart on your flight to Olbia?

The cheapest day to depart from Illinois to Olbia is on a Monday. Travelers who choose to depart for Olbia on a Monday will often find tickets for as low as $1,214. On the other hand, Wednesday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,435.

What is the cheapest time of day to depart on your flight to Olbia?

Our most recent data shows that the best time of day to fly to Olbia is in the afternoon. Flights from Illinois to Olbia during this time can be as low as $1,293. Try not to purchase tickets in the evening because they tend to be around $1,402. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Illinois to Olbia flight deals and tips

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

Direct flights

None
There are no direct flights from Illinois to Olbia. There are no popular flight routes from Illinois to Olbia.
Search flight deals

  • When did momondo last update prices for flights from Illinois to Olbia Costa Smeralda Airport?

    Prices for flights from Illinois to Olbia Costa Smeralda Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Olbia Costa Smeralda Airport?

  • How old do you have to be to fly from Illinois to Olbia Costa Smeralda Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Olbia Costa Smeralda Airport.

  • What documentation or ID do you need to fly to Olbia Costa Smeralda Airport?

    The required travel and health documents for your Olbia Costa Smeralda Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Olbia Costa Smeralda Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Olbia

Compare and see reviews for airlines that fly from Illinois to Olbia with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $827Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights

Traveling to a place near Olbia?

Book flights to Olbia if you plan to visit one of these locations
Porto Cervo
La Maddalena
San Teodoro
Cala Gonone
Palau
Costa Smeralda
Porto Rotondo
Santa Teresa Gallura
Golfo Aranci

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Olbia. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Olbia from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Olbia?

momondo provides multiple filters to help you find the best flight to Olbia from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Illinois to Olbia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Olbia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/17
Fri 10/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Italy