Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Illinois to Olbia from $665

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 8/11. 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

Delta Logo
9:47 am - 6:15 pmORD-OLB
25h 28m2 stops
Delta Logo
10:15 am - 9:54 pmOLB-ORD
18h 39m2 stops
$665Delta
Find Deal
lun., ago. 11 - mar., ago. 26
Delta Logo
5:10 pm - 6:15 pmORD-OLB
18h 05m1 stop
Delta Logo
10:15 am - 9:54 pmOLB-ORD
18h 39m2 stops
$672Delta
Find Deal
lun., ago. 11 - mar., ago. 26
Logo
7:25 pm - 11:20 pmORD-OLB
20h 55m2 stops
Logo
9:30 am - 9:15 pmOLB-ORD
18h 45m2 stops
$720
Find Deal
lun., ago. 18 - mié., sep. 3
Logo
3:00 pm - 10:40 pmORD-OLB
24h 40m1 stop
Logo
8:30 pm - 10:43 pmOLB-ORD
33h 13m2 stops
$738
Find Deal
dom., ago. 17 - mié., sep. 3
Lufthansa Logo
3:35 pm - 11:15 amORD-OLB
12h 40m1 stop
Lufthansa Logo
6:30 pm - 12:55 pmOLB-ORD
25h 25m1 stop
$751Lufthansa
Find Deal
mar., ago. 19 - lun., sep. 1
British Airways Logo
8:35 pm - 8:25 pmORD-OLB
16h 50m1 stop
British Airways Logo
9:20 pm - 11:50 amOLB-ORD
21h 30m1 stop
$755British Airways
Find Deal
dom., ago. 17 - mié., sep. 3
Lufthansa Logo
3:35 pm - 4:35 pmORD-OLB
18h 00m1 stop
Lufthansa Logo
6:30 pm - 7:55 pmOLB-ORD
32h 25m1 stop
$776Lufthansa
Find Deal
lun., sep. 29 - lun., oct. 13
British Airways Logo
10:35 pm - 8:25 pmORD-OLB
14h 50m1 stop
British Airways Logo
12:30 pm - 6:15 pmOLB-ORD
12h 45m1 stop
$808British Airways
Find Deal
dom., ago. 17 - jue., sep. 4
SWISS Logo
7:05 pm - 7:30 amORD-OLB
29h 25m1 stop
SWISS Logo
8:40 am - 3:55 pmOLB-ORD
14h 15m1 stop
$819SWISS
Find Deal
vie., oct. 10 - vie., oct. 24
SWISS Logo
7:05 pm - 8:30 pmORD-OLB
18h 25m1 stop
SWISS Logo
9:20 pm - 3:55 pmOLB-ORD
25h 35m1 stop
$869SWISS
Find Deal
mié., ago. 20 - jue., sep. 4

Delta flights from Illinois to Olbia

Our best Delta deals on Illinois to Olbia flight tickets
Delta
Aug 11
ORD9:47 amChicago O'Hare Intl
25h 28m
2 stops
OLB6:15 pmOlbia Costa Smeralda
Aug 26
OLB10:15 amOlbia Costa Smeralda
18h 39m
2 stops
ORD9:54 pmChicago O'Hare Intl
$665
Find similar
Delta
Aug 11
ORD5:10 pmChicago O'Hare Intl
18h 05m
1 stop
OLB6:15 pmOlbia Costa Smeralda
Aug 26
OLB10:15 amOlbia Costa Smeralda
18h 39m
2 stops
ORD9:54 pmChicago O'Hare Intl
$672
Find similar
Delta
Oct 10
ORD6:21 pmChicago O'Hare Intl
41h 39m
2 stops
OLB7:00 pmOlbia Costa Smeralda
Oct 24
OLB1:30 pmOlbia Costa Smeralda
29h 47m
2 stops
ORD12:17 pmChicago O'Hare Intl
$910
Find similar

British Airways flights from Illinois to Olbia

Our best British Airways deals on Illinois to Olbia flight tickets
British Airways
Aug 17
ORD8:35 pmChicago O'Hare Intl
16h 50m
1 stop
OLB8:25 pmOlbia Costa Smeralda
Sep 3
OLB9:20 pmOlbia Costa Smeralda
21h 30m
1 stop
ORD11:50 amChicago O'Hare Intl
$755
Find similar
British Airways
Aug 17
ORD10:35 pmChicago O'Hare Intl
14h 50m
1 stop
OLB8:25 pmOlbia Costa Smeralda
Sep 4
OLB12:30 pmOlbia Costa Smeralda
12h 45m
1 stop
ORD6:15 pmChicago O'Hare Intl
$808
Find similar
British Airways
Aug 28
ORD7:10 pmChicago O'Hare Intl
18h 25m
1 stop
OLB8:35 pmOlbia Costa Smeralda
Sep 4
OLB12:30 pmOlbia Costa Smeralda
30h 20m
1 stop
ORD11:50 amChicago O'Hare Intl
$814
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 julio 31, 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

lun. 8/11

9:47 am-6:15 pm

2 stops25h 28m

Olbia Costa Smeralda

mar. 8/26

10:15 am-9:54 pm

2 stops18h 39m

$665

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

lun. 8/11

5:10 pm-6:15 pm

1 stop18h 05m

Olbia Costa Smeralda

mar. 8/26

10:15 am-9:54 pm

2 stops18h 39m

$672

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

lun. 8/18

7:25 pm-11:20 pm

2 stops20h 55m

Olbia Costa Smeralda

mié. 9/3

9:30 am-9:15 pm

2 stops18h 45m

$720

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

dom. 8/17

3:00 pm-10:40 pm

1 stop24h 40m

Olbia Costa Smeralda

mié. 9/3

8:30 pm-10:43 pm

2 stops33h 13m

$738

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

mar. 8/19

3:35 pm-11:15 am

1 stop12h 40m

Olbia Costa Smeralda

lun. 9/1

6:30 pm-12:55 pm

1 stop25h 25m

$751

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

dom. 8/17

8:35 pm-8:25 pm

1 stop16h 50m

Olbia Costa Smeralda

mié. 9/3

9:20 pm-11:50 am

1 stop21h 30m

$755

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-7:55 pm

1 stop32h 25m

$776

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

dom. 8/17

10:35 pm-8:25 pm

1 stop14h 50m

Olbia Costa Smeralda

jue. 9/4

12:30 pm-6:15 pm

1 stop12h 45m

$808

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

$819

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

mié. 8/20

7:05 pm-8:30 pm

1 stop18h 25m

Olbia Costa Smeralda

jue. 9/4

9:20 pm-3:55 pm

1 stop25h 35m

$869

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

Best Price Found

$665

Fastest flight time

11h 55m

Direct flights

None

Airports in Olbia

1 airport
The best flight deal from Illinois to Olbia found on momondo in the last 72 hours is $665
The fastest flight from Illinois to Olbia takes 11h 55m
There are no direct flights from Illinois to Olbia. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Olbia Costa Smeralda Airport and Lambert-St Louis Airport - Olbia Costa Smeralda Airport.
There is 1 airport near Olbia: Olbia Costa Smeralda (OLB)
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 $784Free CancellationRating
6.8
7,275 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
Cala Gonone
San Teodoro
Palau
Golfo Aranci
Porto Rotondo
Costa Smeralda
Santa Teresa Gallura

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
mar. 8/5
mar. 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Italy