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Cheap flights from Illinois to Olbia from $295

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Olbia departing on 4/30. 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

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Find the cheapest flights from Illinois to Olbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
7:05 pm - 8:35 pm
ORD
-
OLB
18h 30m
1 stop
SWISS Logo
9:10 pm - 12:35 pm
OLB
-
ORD
22h 25m
1 stop
$633SWISS
Mon, Aug 10 - Wed, Aug 19
Multiple Airlines Logo
8:10 pm - 11:45 pm
ORD
-
OLB
20h 35m
2 stops
Multiple Airlines Logo
7:20 am - 9:40 am
OLB
-
ORD
33h 20m
2 stops
$660Multiple Airlines
Thu, Apr 30 - Thu, May 7
British Airways Logo
9:15 pm - 8:25 pm
ORD
-
OLB
16h 10m
1 stop
British Airways Logo
9:25 pm - 3:55 pm
OLB
-
ORD
25h 30m
1 stop
$665British Airways
Sun, Aug 9 - Wed, Aug 19
British Airways Logo
4:54 pm - 6:40 pm
ORD
-
OLB
18h 46m
2 stops
British Airways Logo
9:25 pm - 5:49 pm
OLB
-
ORD
51h 24m
2 stops
$671British Airways
Mon, Aug 10 - Wed, Aug 19
Delta Logo
5:10 pm - 6:15 pm
ORD
-
OLB
18h 05m
1 stop
Delta Logo
10:15 am - 8:58 am
OLB
-
ORD
29h 43m
2 stops
$673Delta
Sun, Aug 9 - Wed, Aug 19
Delta Logo
1:30 pm - 6:15 pm
ORD
-
OLB
21h 45m
2 stops
Delta Logo
10:15 am - 8:58 am
OLB
-
ORD
29h 43m
2 stops
$678Delta
Mon, Aug 10 - Wed, Aug 19
KLM Logo
6:50 pm - 7:30 am
STL
-
OLB
53h 40m
2 stops
KLM Logo
8:55 am - 4:42 pm
OLB
-
STL
38h 47m
2 stops
$796KLM
Thu, Apr 23 - Thu, Apr 30
KLM Logo
12:23 pm - 7:30 am
STL
-
OLB
36h 07m
2 stops
KLM Logo
9:10 am - 11:13 pm
OLB
-
STL
21h 03m
2 stops
$912KLM
Fri, Apr 24 - Fri, May 1
Air France Logo
4:13 pm - 5:25 pm
STL
-
OLB
42h 12m
2 stops
Air France Logo
6:20 pm - 4:55 pm
OLB
-
STL
29h 35m
2 stops
$948Air France
Fri, Sep 4 - Fri, Sep 18
Air France Logo
4:13 pm - 5:25 pm
STL
-
OLB
42h 12m
2 stops
Air France Logo
6:20 pm - 6:02 pm
OLB
-
STL
30h 42m
2 stops
$1,050Air France
Fri, Sep 4 - Fri, Sep 18

SWISS flights from Illinois to Olbia

Our best SWISS deals on Illinois to Olbia flight tickets
SWISS
Aug 10
ORD7:05 pmChicago O'Hare Intl
18h 30m
1 stop
OLB8:35 pmOlbia Costa Smeralda
Aug 19
OLB9:10 pmOlbia Costa Smeralda
22h 25m
1 stop
ORD12:35 pmChicago O'Hare Intl
$633
SWISS
Aug 12
ORD7:05 pmChicago O'Hare Intl
18h 25m
1 stop
OLB8:30 pmOlbia Costa Smeralda
Aug 18
OLB9:20 pmOlbia Costa Smeralda
22h 15m
1 stop
ORD12:35 pmChicago O'Hare Intl
$863
SWISS
Aug 7
ORD2:20 pmChicago O'Hare Intl
23h 05m
1 stop
OLB8:25 pmOlbia Costa Smeralda
Aug 18
OLB9:20 pmOlbia Costa Smeralda
25h 35m
1 stop
ORD3:55 pmChicago O'Hare Intl
$913

British Airways flights from Illinois to Olbia

Our best British Airways deals on Illinois to Olbia flight tickets
British Airways
Aug 9
ORD9:15 pmChicago O'Hare Intl
16h 10m
1 stop
OLB8:25 pmOlbia Costa Smeralda
Aug 19
OLB9:25 pmOlbia Costa Smeralda
25h 30m
1 stop
ORD3:55 pmChicago O'Hare Intl
$665
British Airways
Aug 10
ORD4:54 pmChicago O'Hare Intl
18h 46m
2 stops
OLB6:40 pmOlbia Costa Smeralda
Aug 19
OLB9:25 pmOlbia Costa Smeralda
51h 24m
2 stops
ORD5:49 pmChicago O'Hare Intl
$671
British Airways
Aug 8
ORD9:15 pmChicago O'Hare Intl
15h 05m
1 stop
OLB7:20 pmOlbia Costa Smeralda
Aug 19
OLB9:25 pmOlbia Costa Smeralda
25h 30m
1 stop
ORD3:55 pmChicago O'Hare Intl
$715

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 March 13, 2026.
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

Cheapest round-trip
Quickest round-trip

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Mon 8/10

7:05 pm-8:35 pm

1 stop18h 30m

Olbia Costa Smeralda

Wed 8/19

9:10 pm-12:35 pm

1 stop22h 25m

$633

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Thu 4/30

8:10 pm-11:45 pm

2 stops20h 35m

Olbia Costa Smeralda

Thu 5/7

7:20 am-9:40 am

2 stops33h 20m

$660

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Sun 8/9

9:15 pm-8:25 pm

1 stop16h 10m

Olbia Costa Smeralda

Wed 8/19

9:25 pm-3:55 pm

1 stop25h 30m

$665

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Mon 8/10

4:54 pm-6:40 pm

2 stops18h 46m

Olbia Costa Smeralda

Wed 8/19

9:25 pm-5:49 pm

2 stops51h 24m

$671

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Sun 8/9

5:10 pm-6:15 pm

1 stop18h 05m

Olbia Costa Smeralda

Wed 8/19

10:15 am-8:58 am

2 stops29h 43m

$673

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Mon 8/10

1:30 pm-6:15 pm

2 stops21h 45m

Olbia Costa Smeralda

Wed 8/19

10:15 am-8:58 am

2 stops29h 43m

$678

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Thu 4/23

6:50 pm-7:30 am

2 stops53h 40m

Olbia Costa Smeralda

Thu 4/30

8:55 am-4:42 pm

2 stops38h 47m

$796

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Fri 4/24

12:23 pm-7:30 am

2 stops36h 07m

Olbia Costa Smeralda

Fri 5/1

9:10 am-11:13 pm

2 stops21h 03m

$912

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Fri 9/4

4:13 pm-5:25 pm

2 stops42h 12m

Olbia Costa Smeralda

Fri 9/18

6:20 pm-4:55 pm

2 stops29h 35m

$948

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Fri 9/4

4:13 pm-5:25 pm

2 stops42h 12m

Olbia Costa Smeralda

Fri 9/18

6:20 pm-6:02 pm

2 stops30h 42m

$1,050

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 airline that flies from Illinois to Olbia Costa Smeralda?

KLM is the most popular carrier operating from Illinois to Olbia Costa Smeralda

Cheap Illinois to Olbia flight deals and tips

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

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from Illinois to Olbia takes 11h 55m
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 $784Free CancellationRating
6.8
7,848 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
San Teodoro
La Maddalena
Cala Gonone
Santa Teresa Gallura
Palau
Golfo Aranci
Porto Rotondo
Costa Smeralda

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.

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