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Cheap flights from Illinois to Olbia from $471

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 7/5. 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.
Multiple Airlines Logo
6:05 pm - 9:30 pm
ORD
-
OLB
20h 25m
2 stops
Multiple Airlines Logo
2:00 pm - 12:40 pm
OLB
-
ORD
29h 40m
2 stops
$954Multiple Airlines
Sat, Sep 5 - Wed, Sep 16
Multiple Airlines Logo
8:10 pm - 10:40 pm
ORD
-
OLB
19h 30m
2 stops
Multiple Airlines Logo
7:00 am - 9:40 am
OLB
-
ORD
33h 40m
2 stops
$998Multiple Airlines
Wed, Sep 9 - Sun, Sep 13
Multiple Airlines Logo
7:15 pm - 10:40 pm
ORD
-
OLB
20h 25m
2 stops
Multiple Airlines Logo
6:00 am - 4:10 pm
OLB
-
ORD
17h 10m
2 stops
$1,006Multiple Airlines
Wed, Sep 23 - Fri, Oct 2
SWISS Logo
7:05 pm - 7:50 am
ORD
-
OLB
29h 45m
1 stop
SWISS Logo
8:40 am - 3:55 pm
OLB
-
ORD
14h 15m
1 stop
$1,058SWISS
Wed, Sep 23 - Fri, Oct 2
Multiple Airlines Logo
8:45 am - 4:35 pm
ORD
-
OLB
24h 50m
2 stops
Multiple Airlines Logo
8:40 am - 3:55 pm
OLB
-
ORD
14h 15m
1 stop
$1,062Multiple Airlines
Wed, Sep 23 - Fri, Oct 2
SWISS Logo
7:05 pm - 8:55 am
ORD
-
OLB
30h 50m
2 stops
SWISS Logo
8:45 am - 3:55 pm
OLB
-
ORD
14h 10m
1 stop
$1,083SWISS
Mon, Jul 20 - Mon, Jul 27
Lufthansa Logo
3:35 pm - 4:35 pm
ORD
-
OLB
18h 00m
1 stop
Lufthansa Logo
9:10 pm - 12:35 pm
OLB
-
ORD
22h 25m
1 stop
$1,102Lufthansa
Sun, Sep 6 - Sat, Sep 12
Lufthansa Logo
10:30 pm - 5:30 pm
ORD
-
OLB
12h 00m
1 stop
Lufthansa Logo
12:00 pm - 6:15 pm
OLB
-
ORD
13h 15m
1 stop
$1,105Lufthansa
Sat, Sep 5 - Wed, Sep 16
British Airways Logo
1:45 pm - 8:25 pm
STL
-
OLB
23h 40m
2 stops
British Airways Logo
8:05 pm - 7:18 pm
OLB
-
STL
30h 13m
2 stops
$1,332British Airways
Sun, Jun 28 - Sun, Jul 5
British Airways Logo
4:57 pm - 10:30 am
STL
-
OLB
34h 33m
2 stops
British Airways Logo
9:25 pm - 8:03 pm
OLB
-
STL
29h 38m
2 stops
$1,356British Airways
Fri, Sep 4 - Fri, Sep 18

British Airways flights from Illinois to Olbia

Our best British Airways deals on Illinois to Olbia flight tickets
British Airways
Jun 28
STL1:45 pmLambert-St Louis
23h 40m
2 stops
OLB8:25 pmOlbia Costa Smeralda
Jul 5
OLB8:05 pmOlbia Costa Smeralda
30h 13m
2 stops
STL7:18 pmLambert-St Louis
$1,332
British Airways
Sep 4
STL4:57 pmLambert-St Louis
34h 33m
2 stops
OLB10:30 amOlbia Costa Smeralda
Sep 18
OLB9:25 pmOlbia Costa Smeralda
29h 38m
2 stops
STL8:03 pmLambert-St Louis
$1,356
British Airways
Sep 11
STL6:06 amLambert-St Louis
29h 49m
2 stops
OLB6:55 pmOlbia Costa Smeralda
Sep 26
OLB7:45 pmOlbia Costa Smeralda
34h 35m
2 stops
STL11:20 pmLambert-St Louis
$1,405

SWISS flights from Illinois to Olbia

Our best SWISS deals on Illinois to Olbia flight tickets
SWISS
Sep 23
ORD7:05 pmChicago O'Hare Intl
29h 45m
1 stop
OLB7:50 amOlbia Costa Smeralda
Oct 2
OLB8:40 amOlbia Costa Smeralda
14h 15m
1 stop
ORD3:55 pmChicago O'Hare Intl
$1,058
SWISS
Jul 20
ORD7:05 pmChicago O'Hare Intl
30h 50m
2 stops
OLB8:55 amOlbia Costa Smeralda
Jul 27
OLB8:45 amOlbia Costa Smeralda
14h 10m
1 stop
ORD3:55 pmChicago O'Hare Intl
$1,083
SWISS
Sep 9
ORD2:20 pmChicago O'Hare Intl
23h 10m
1 stop
OLB8:30 pmOlbia Costa Smeralda
Sep 13
OLB8:20 amOlbia Costa Smeralda
35h 15m
1 stop
ORD12:35 pmChicago O'Hare Intl
$1,096

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 April 30, 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

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Sat 9/5

6:05 pm-9:30 pm

2 stops20h 25m

Olbia Costa Smeralda

Wed 9/16

2:00 pm-12:40 pm

2 stops29h 40m

$954

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Wed 9/9

8:10 pm-10:40 pm

2 stops19h 30m

Olbia Costa Smeralda

Sun 9/13

7:00 am-9:40 am

2 stops33h 40m

$998

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Wed 9/23

7:15 pm-10:40 pm

2 stops20h 25m

Olbia Costa Smeralda

Fri 10/2

6:00 am-4:10 pm

2 stops17h 10m

$1,006

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Wed 9/23

7:05 pm-7:50 am

1 stop29h 45m

Olbia Costa Smeralda

Fri 10/2

8:40 am-3:55 pm

1 stop14h 15m

$1,058

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Wed 9/23

8:45 am-4:35 pm

2 stops24h 50m

Olbia Costa Smeralda

Fri 10/2

8:40 am-3:55 pm

1 stop14h 15m

$1,062

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Mon 7/20

7:05 pm-8:55 am

2 stops30h 50m

Olbia Costa Smeralda

Mon 7/27

8:45 am-3:55 pm

1 stop14h 10m

$1,083

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Sun 9/6

3:35 pm-4:35 pm

1 stop18h 00m

Olbia Costa Smeralda

Sat 9/12

9:10 pm-12:35 pm

1 stop22h 25m

$1,102
Quickest round-trip

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Sat 9/5

10:30 pm-5:30 pm

1 stop12h 00m

Olbia Costa Smeralda

Wed 9/16

12:00 pm-6:15 pm

1 stop13h 15m

$1,105

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Sun 6/28

1:45 pm-8:25 pm

2 stops23h 40m

Olbia Costa Smeralda

Sun 7/5

8:05 pm-7:18 pm

2 stops30h 13m

$1,332

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Fri 9/4

4:57 pm-10:30 am

2 stops34h 33m

Olbia Costa Smeralda

Fri 9/18

9:25 pm-8:03 pm

2 stops29h 38m

$1,356

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

13h 37m

Direct flights

None
The fastest flight from Illinois to Olbia takes 13h 37m
There are no direct flights from Illinois to Olbia. There are no popular flight routes from Illinois to Olbia.
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Frequently asked questions about flying from Illinois to Olbia

  • 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
7,962 reviews
Search Lufthansa flights

Frequently asked questions about flying from Illinois to Olbia

  • How do I get Price Alerts for flights from Illinois to Olbia?

    Price Alerts will notify you by email when the price for flights to Olbia from Illinois decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Illinois to Olbia with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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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