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Cheap flights from Illinois to Olbia from $317

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 8/2. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Olbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
2:20 pm - 8:30 pm
ORD
-
OLB
23h 10m
1 stop
SWISS Logo
9:10 pm - 12:35 pm
OLB
-
ORD
22h 25m
1 stop
$724SWISS
Wed, Aug 12 - Wed, Aug 19
Multiple Airlines Logo
4:20 pm - 8:20 am
ORD
-
OLB
33h 00m
1 stop
Multiple Airlines Logo
9:10 pm - 12:35 pm
OLB
-
ORD
22h 25m
1 stop
$752Multiple Airlines
Tue, Aug 11 - Wed, Aug 19
SWISS Logo
2:20 pm - 8:30 pm
ORD
-
OLB
23h 10m
1 stop
SWISS Logo
9:40 am - 12:35 pm
OLB
-
ORD
33h 55m
2 stops
$755SWISS
Wed, Aug 12 - Wed, Aug 19
Multiple Airlines Logo
5:10 pm - 6:15 pm
ORD
-
OLB
18h 05m
1 stop
Multiple Airlines Logo
8:30 am - 2:15 pm
OLB
-
ORD
12h 45m
1 stop
$756Multiple Airlines
Tue, Aug 11 - Thu, Aug 20
Delta Logo
10:07 am - 9:00 am
ORD
-
OLB
15h 53m
1 stop
Delta Logo
11:20 am - 9:52 pm
OLB
-
ORD
17h 32m
1 stop
$762Delta
Mon, Aug 10 - Thu, Aug 20
Lufthansa Logo
9:40 pm - 4:35 pm
ORD
-
OLB
11h 55m
1 stop
Lufthansa Logo
12:00 pm - 6:15 pm
OLB
-
ORD
13h 15m
1 stop
$764Lufthansa
Mon, Aug 10 - Wed, Aug 19
Delta Logo
12:29 pm - 6:15 pm
ORD
-
OLB
22h 46m
2 stops
Delta Logo
11:20 am - 9:52 pm
OLB
-
ORD
17h 32m
1 stop
$766Delta
Mon, Aug 10 - Thu, Aug 20
Lufthansa Logo
7:05 pm - 4:35 pm
STL
-
OLB
14h 30m
2 stops
Lufthansa Logo
12:00 pm - 3:46 pm
OLB
-
STL
34h 46m
2 stops
$1,025Lufthansa
Tue, Jul 21 - Thu, Jul 30
British Airways Logo
8:00 pm - 10:30 am
STL
-
OLB
31h 30m
2 stops
British Airways Logo
9:25 pm - 8:20 am
OLB
-
STL
41h 55m
2 stops
$1,086British Airways
Fri, Sep 4 - Fri, Sep 18
British Airways Logo
8:00 pm - 7:20 pm
STL
-
OLB
40h 20m
2 stops
British Airways Logo
9:25 pm - 8:20 am
OLB
-
STL
41h 55m
2 stops
$1,131British Airways
Fri, Sep 4 - Fri, Sep 18

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SWISS flights from Illinois to Olbia

Our best SWISS deals on Illinois to Olbia flight tickets
SWISS
Aug 12
ORD2:20 pmChicago O'Hare Intl
23h 10m
1 stop
OLB8:30 pmOlbia Costa Smeralda
Aug 19
OLB9:10 pmOlbia Costa Smeralda
22h 25m
1 stop
ORD12:35 pmChicago O'Hare Intl
$724
SWISS
Aug 12
ORD2:20 pmChicago O'Hare Intl
23h 10m
1 stop
OLB8:30 pmOlbia Costa Smeralda
Aug 19
OLB9:40 amOlbia Costa Smeralda
33h 55m
2 stops
ORD12:35 pmChicago O'Hare Intl
$755
SWISS
Aug 14
ORD2:20 pmChicago O'Hare Intl
23h 05m
1 stop
OLB8:25 pmOlbia Costa Smeralda
Aug 20
OLB9:20 pmOlbia Costa Smeralda
22h 15m
1 stop
ORD12:35 pmChicago O'Hare Intl
$816

Delta flights from Illinois to Olbia

Our best Delta deals on Illinois to Olbia flight tickets
Delta
Aug 10
ORD10:07 amChicago O'Hare Intl
15h 53m
1 stop
OLB9:00 amOlbia Costa Smeralda
Aug 20
OLB11:20 amOlbia Costa Smeralda
17h 32m
1 stop
ORD9:52 pmChicago O'Hare Intl
$762
Delta
Aug 10
ORD12:29 pmChicago O'Hare Intl
22h 46m
2 stops
OLB6:15 pmOlbia Costa Smeralda
Aug 20
OLB11:20 amOlbia Costa Smeralda
17h 32m
1 stop
ORD9:52 pmChicago O'Hare Intl
$766
Delta
Aug 10
ORD1:59 pmChicago O'Hare Intl
21h 16m
2 stops
OLB6:15 pmOlbia Costa Smeralda
Aug 20
OLB11:20 amOlbia Costa Smeralda
16h 10m
2 stops
ORD8:30 pmChicago O'Hare Intl
$771

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 June 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

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Wed 8/12

2:20 pm-8:30 pm

1 stop23h 10m

Olbia Costa Smeralda

Wed 8/19

9:10 pm-12:35 pm

1 stop22h 25m

$724

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Tue 8/11

4:20 pm-8:20 am

1 stop33h 00m

Olbia Costa Smeralda

Wed 8/19

9:10 pm-12:35 pm

1 stop22h 25m

$752

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Wed 8/12

2:20 pm-8:30 pm

1 stop23h 10m

Olbia Costa Smeralda

Wed 8/19

9:40 am-12:35 pm

2 stops33h 55m

$755

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Tue 8/11

5:10 pm-6:15 pm

1 stop18h 05m

Olbia Costa Smeralda

Thu 8/20

8:30 am-2:15 pm

1 stop12h 45m

$756

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Mon 8/10

10:07 am-9:00 am

1 stop15h 53m

Olbia Costa Smeralda

Thu 8/20

11:20 am-9:52 pm

1 stop17h 32m

$762
Quickest round-trip

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Mon 8/10

9:40 pm-4:35 pm

1 stop11h 55m

Olbia Costa Smeralda

Wed 8/19

12:00 pm-6:15 pm

1 stop13h 15m

$764

ChicagoOlbia

ORD - OLB

ORDOLB

Chicago O'Hare Intl

Mon 8/10

12:29 pm-6:15 pm

2 stops22h 46m

Olbia Costa Smeralda

Thu 8/20

11:20 am-9:52 pm

1 stop17h 32m

$766

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Tue 7/21

7:05 pm-4:35 pm

2 stops14h 30m

Olbia Costa Smeralda

Thu 7/30

12:00 pm-3:46 pm

2 stops34h 46m

$1,025

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Fri 9/4

8:00 pm-10:30 am

2 stops31h 30m

Olbia Costa Smeralda

Fri 9/18

9:25 pm-8:20 am

2 stops41h 55m

$1,086

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Fri 9/4

8:00 pm-7:20 pm

2 stops40h 20m

Olbia Costa Smeralda

Fri 9/18

9:25 pm-8:20 am

2 stops41h 55m

$1,131

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?

Lufthansa 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

12h 40m

Direct flights

None
The fastest flight from Illinois to Olbia takes 12h 40m
There are no direct flights from Illinois to Olbia. There are no popular flight routes from Illinois to Olbia.
Search flight deals

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 $827Free CancellationRating
6.8
8,057 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
Palau
Santa Teresa Gallura
Cala Gonone
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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