How long is the flight from Chicago O'Hare Intl Airport to Bologna?

A quick flight from Chicago O'Hare Intl Airport to Bologna can take about 21h 10m. British Airways provides one of the quickest options available for as low as $539. The distance from Chicago O'Hare Intl Airport to Bologna is about 4653 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Bologna round-trip?

Currently priced at $519, Turkish Airlines will fly you from Chicago O'Hare Intl Airport to Bologna and back. In addition to Turkish Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and United Airlines - these airlines can fly you to your destination from $550 and $609, respectively. These flights start at 47% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Bologna one-way?

One-way options have recently been found by users for as low as $437 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Lufthansa from $477 and United Airlines from $490 one-way.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Bologna?

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Bologna flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Bologna ranges from 1.7 - 3.2 inches per month. November is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Bologna when rainfall is around 1.7 in.

If weather is an important factor for your trip to Bologna, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to Bologna?

Before booking your flight from Chicago O'Hare Intl Airport to Bologna check out the most popular airlines for this route: ITA Airways, British Airways or Delta.

Most accurate provider : When it comes to deals on Chicago O'Hare Intl Airport-Bologna flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Bologna flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Bologna flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Chicago O'Hare Intl Airport-Bologna flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Bologna flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Bologna from Chicago O'Hare Intl?

If you book a flight to Bologna from Chicago O'Hare Intl, you will be flying to Guglielmo Marconi, which is the city’s only airport. Bologna Guglielmo Marconi (BLQ) is located 3.8 mi from the center of Bologna. There are 0 flights from Chicago O'Hare Intl to Guglielmo Marconi per day from 7 different airlines.

Can I find deals for flights from O'Hare Intl to Bologna that include hotel bookings?

Yes. In addition to deals on O'Hare Intl to Bologna flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from O'Hare Intl to Bologna?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Bologna.

Can I find deals for business class flights from O'Hare Intl to Bologna?

Yes. Cheapflights offers flight deals from O'Hare Intl to Bologna by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$373+ Cheap Flights from Chicago O'Hare Intl Airport to Bologna

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Bologna Guglielmo Marconi are usually found in October or April, booked 63 days in advance, depart on a Monday or Sunday and return on a Monday

Cheap flight deals from O'Hare Intl to Bologna

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$439 (lol.travel)
One-way from	$373 (Kiwi.com)
Popular in	December
Cheapest in	October
Average price	$810

Provider with most accurate pricing for Chicago O'Hare Intl-Bologna Guglielmo Marconi flight deals.

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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Bologna Guglielmo Marconi flights.

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From Chicago O'Hare Intl to Bologna Guglielmo Marconi

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One-way flight from Chicago O'Hare Intl to Bologna Guglielmo Marconi

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($178 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

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Find flight deals from O'Hare Intl to Bologna

Cheapest flights from O'Hare Intl to Bologna
Explore the most affordable flight options available from O'Hare Intl to Bologna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.

Mon 11/177:20 pmORD - BLQ

1 stop17h 00mScandinavian Airlines

Wed 12/38:00 pmBLQ - ORD

1 stop27h 45mScandinavian Airlines

Deal found 9/27

$439

Wed 11/126:30 pmORD - BLQ

1 stop16h 20mAmerican Airlines

Wed 11/196:50 amBLQ - ORD

1 stop14h 40mAmerican Airlines

Deal found 9/28

$533

Mon 11/175:10 pmORD - BLQ

1 stop21h 10mBritish Airways

Wed 12/37:20 amBLQ - ORD

1 stop18h 25mBritish Airways

Deal found 9/28

$539

Mon 11/178:15 pmORD - BLQ

2 stops30h 15mMultiple Airlines

Wed 12/310:15 amBLQ - ORD

1 stop16h 50mMultiple Airlines

Deal found 9/27

$570

Thu 11/2011:50 amORD - BLQ

1 stop23h 45mTurkish Airlines

Mon 11/247:35 pmBLQ - ORD

1 stop29h 50mTurkish Airlines

Deal found 9/27

$571

Sat 11/2911:50 amORD - BLQ

1 stop15h 05mTurkish Airlines

Fri 12/192:50 pmBLQ - ORD

1 stop26h 15mTurkish Airlines

Deal found 9/28

$574

Wed 11/54:20 pmORD - BLQ

1 stop10h 35mMultiple Airlines

Wed 11/122:55 pmBLQ - ORD

1 stop12h 10mMultiple Airlines

Deal found 9/27

$586

Sat 11/811:50 amORD - BLQ

1 stop15h 05mTurkish Airlines

Sat 11/157:35 pmBLQ - ORD

1 stop21h 30mTurkish Airlines

Deal found 9/26

$590

Sat 11/86:30 pmORD - BLQ

2 stops21h 15mMultiple Airlines

Sat 11/156:25 amBLQ - ORD

2 stops17h 55mMultiple Airlines

Deal found 9/26

$592

Best flights from O'Hare Intl to Bologna
Discover carefully curated flight deals from O'Hare Intl to Bologna that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2025.

Mon 11/175:10 pmORD - BLQ

1 stop21h 10mBritish Airways

Wed 12/37:20 amBLQ - ORD

1 stop18h 25mBritish Airways

Deal found 9/28

$539

Thu 11/2011:50 amORD - BLQ

1 stop23h 45mTurkish Airlines

Mon 11/247:35 pmBLQ - ORD

1 stop29h 50mTurkish Airlines

Deal found 9/27

$571

Wed 11/54:20 pmORD - BLQ

1 stop10h 35mMultiple Airlines

Wed 11/122:55 pmBLQ - ORD

1 stop12h 10mMultiple Airlines

Deal found 9/28

$586

Wed 11/54:20 pmORD - BLQ

2 stops13h 20mLufthansa

Wed 11/122:55 pmBLQ - ORD

1 stop12h 10mLufthansa

Deal found 9/27

$599

Sat 11/811:48 amORD - BLQ

2 stops16h 32mAmerican Airlines

Sat 11/156:50 amBLQ - ORD

1 stop14h 40mAmerican Airlines

Deal found 9/26

$638

Sat 11/298:15 pmORD - BLQ

2 stops30h 15mUnited Airlines

Mon 12/2210:15 amBLQ - ORD

2 stops31h 30mUnited Airlines

Deal found 9/28

$641

Sun 12/285:20 pmORD - BLQ

1 stop15h 25mDelta

Wed 1/76:30 amBLQ - ORD

1 stop14h 50mDelta

Deal found 9/29

$658

Sat 11/811:50 amORD - BLQ

1 stop15h 05mTurkish Airlines

Sat 11/157:35 pmBLQ - ORD

1 stop21h 30mTurkish Airlines

Deal found 9/26

$590

Sat 11/86:30 pmORD - BLQ

2 stops21h 15mMultiple Airlines

Sat 11/156:25 amBLQ - ORD

2 stops17h 55mMultiple Airlines

Deal found 9/26

$592

Wed 12/311:35 pmORD - BLQ

2 stops19h 10mDelta

Tue 1/61:00 pmBLQ - ORD

1 stop32h 20mDelta

Deal found 9/29

$662

Tue 12/301:35 pmORD - BLQ

2 stops19h 10mDelta

Tue 1/61:00 pmBLQ - ORD

1 stop32h 20mDelta

Deal found 9/29

$662

Wed 12/311:35 pmORD - BLQ

2 stops19h 10mDelta

Wed 1/76:30 amBLQ - ORD

1 stop14h 50mDelta

Deal found 9/28

$662

Last-minute flights from O'Hare Intl to Bologna
Discover last-minute flight deals from O'Hare Intl to Bologna. Data last updated September 29, 2025 and is based on user searches.

Sun 10/58:45 amORD - BLQ

2 stops18h 35mITA Airways

Tue 10/146:30 amBLQ - ORD

2 stops20h 28mITA Airways

Deal found 9/29

$763

Wed 10/811:45 pmORD - BLQ

1 stop26h 55mTurkish Airlines

Mon 10/202:55 pmBLQ - ORD

1 stop25h 45mTurkish Airlines

Deal found 9/27

$677

Fri 10/1711:25 amORD - BLQ

1 stop19h 30mTurkish Airlines

Tue 10/282:50 pmBLQ - ORD

1 stop26h 15mTurkish Airlines

Deal found 9/27

$769

Fri 10/175:10 pmORD - BLQ

1 stop16h 55mDelta

Fri 10/246:00 amBLQ - ORD

2 stops19h 41mDelta

Deal found 9/28

$806

Fri 10/1710:48 amORD - BLQ

2 stops15h 37mDelta

Tue 10/2811:25 amBLQ - ORD

2 stops18h 33mDelta

Deal found 9/27

$816

Wed 10/224:00 pmORD - BLQ

1 stop10h 55mLufthansa

Fri 10/312:55 pmBLQ - ORD

1 stop12h 10mLufthansa

Deal found 9/27

$654

Wed 10/224:00 pmORD - BLQ

1 stop10h 55mMultiple Airlines

Sun 10/2610:45 amBLQ - ORD

1 stop12h 35mMultiple Airlines

Deal found 9/28

$772

One-way flights from O'Hare Intl to Bologna
Search for one-way flight options from O'Hare Intl to Bologna. Find affordable one-way fares based on user searches. Data last updated September 29, 2025.

Sat 10/46:30 amORD - BLQ

3 stops49h 20mMultiple Airlines

Deal found 9/28

$373

Sat 10/46:15 pmORD - BLQ

1 stop33h 55mTAP AIR PORTUGAL

Deal found 9/28

$437

Mon 10/204:00 pmORD - BLQ

1 stop10h 55mLufthansa

Deal found 9/27

$477

Sat 11/296:28 pmORD - BLQ

2 stops32h 02mUnited Airlines

Deal found 9/28

$490

Wed 10/157:50 pmORD - BLQ

1 stop15h 10mTurkish Airlines

Deal found 9/27

$495

Wed 10/154:00 pmORD - BLQ

2 stops13h 45mLufthansa

Deal found 9/27

$582

Fri 10/107:50 pmORD - BLQ

1 stop15h 10mTurkish Airlines

Deal found 9/27

$835

Sat 11/297:00 amORD - BLQ

3 stops32h 45mTAP AIR PORTUGAL

Deal found 9/28

$973

Fri 10/104:00 pmORD - BLQ

2 stops13h 45mLufthansa

Deal found 9/27

$1,203

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bologna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBologna

ORD - BLQ

ORDBLQ

Chicago O'Hare Intl

Mon 11/17

5:10 pm-9:20 pm

1 stop21h 10m

Bologna Guglielmo Marconi

Wed 12/3

7:20 am-6:45 pm

1 stop18h 25m

$539

ChicagoBologna

ORD - BLQ

ORDBLQ

Chicago O'Hare Intl

Thu 11/20

11:50 am-6:35 pm

1 stop23h 45m

Bologna Guglielmo Marconi

Mon 11/24

7:35 pm-6:25 pm

1 stop29h 50m

$571

ChicagoBologna

ORD - BLQ

ORDBLQ

Chicago O'Hare Intl

Wed 11/5

4:20 pm-9:55 am

1 stop10h 35m

Bologna Guglielmo Marconi

Wed 11/12

2:55 pm-8:05 pm

1 stop12h 10m

$586

ChicagoBologna

ORD - BLQ

ORDBLQ

Chicago O'Hare Intl

Sat 11/8

11:50 am-9:55 am

1 stop15h 05m

Bologna Guglielmo Marconi

Sat 11/15

7:35 pm-10:05 am

1 stop21h 30m

$590

ChicagoBologna

ORD - BLQ

ORDBLQ

Chicago O'Hare Intl

Sat 11/8

6:30 pm-10:45 pm

2 stops21h 15m

Bologna Guglielmo Marconi

Sat 11/15

6:25 am-5:20 pm

2 stops17h 55m

$592

ChicagoBologna

ORD - BLQ

ORDBLQ

Chicago O'Hare Intl

Wed 11/5

4:20 pm-12:40 pm

2 stops13h 20m

Bologna Guglielmo Marconi

Wed 11/12

2:55 pm-8:05 pm

1 stop12h 10m

$599

ChicagoBologna

ORD - BLQ

ORDBLQ

Chicago O'Hare Intl

Sat 11/8

11:48 am-11:20 am

2 stops16h 32m

Bologna Guglielmo Marconi

Sat 11/15

6:50 am-2:30 pm

1 stop14h 40m

$638

ChicagoBologna

ORD - BLQ

ORDBLQ

Chicago O'Hare Intl

Sat 11/29

8:15 pm-9:30 am

2 stops30h 15m

Bologna Guglielmo Marconi

Mon 12/22

10:15 am-10:45 am

2 stops31h 30m

$641

ChicagoBologna

ORD - BLQ

ORDBLQ

Chicago O'Hare Intl

Sun 12/28

5:20 pm-3:45 pm

1 stop15h 25m

Bologna Guglielmo Marconi

Wed 1/7

6:30 am-2:20 pm

1 stop14h 50m

$658

ChicagoBologna

ORD - BLQ

ORDBLQ

Chicago O'Hare Intl

Wed 12/31

1:35 pm-3:45 pm

2 stops19h 10m

Bologna Guglielmo Marconi

Tue 1/6

1:00 pm-2:20 pm

1 stop32h 20m

$662

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Showing 1-10 of 22 results

Compare providers for flights from O'Hare Intl to Bologna

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Bologna in September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Bologna flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Bologna flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Bologna flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Bologna flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Bologna flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Bologna

Have a flexible travel schedule? Discover the best time to fly to Bologna from O'Hare Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Bologna

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Bologna?

The price you pay for your flight from Chicago O'Hare Intl Airport to Bologna may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Bologna?

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bologna (average of $676). Flying from Chicago O'Hare Intl Airport to Bologna in June is currently the most expensive (average of $1,203). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to BLQ?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 42% on flights from Chicago O'Hare Intl Airport to Bologna by exploring options for tickets in the morning.

Reviews of airlines servicing Bologna

Peruse reviews from past customers who have flown with SWISS, United Airlines, and Turkish Airlines from Chicago O'Hare Intl Airport to Bologna to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

SWISS

7.5

Good

1,749 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

SWISS

7.5

Good

1,749 reviews

SWISS

7.5

Good

1,749 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

United Airlines

7.4

Good

8,924 reviews

SWISS

7.5

Good

1,749 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Turkish Airlines

7.3

Good

3,980 reviews

SWISS

7.5

Good

1,749 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Lufthansa

6.8

Okay

7,435 reviews

SWISS

7.5

Good

1,749 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

British Airways

6.7

Okay

7,406 reviews

SWISS

7.5

Good

1,749 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Related info for your journey

What airport do you fly into for flights to Bologna from Chicago O'Hare Intl?
If you book a flight to Bologna from Chicago O'Hare Intl, you will be flying to Guglielmo Marconi, which is the city’s only airport. Bologna Guglielmo Marconi (BLQ) is located 3.8 mi from the center of Bologna. There are 0 flights from Chicago O'Hare Intl to Guglielmo Marconi per day from 7 different airlines.
How long is the flight from Chicago O'Hare Intl Airport to Bologna?
A quick flight from Chicago O'Hare Intl Airport to Bologna can take about 21h 10m. British Airways provides one of the quickest options available for as low as $539. The distance from Chicago O'Hare Intl Airport to Bologna is about 4653 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Bologna round-trip?
Currently priced at $519, Turkish Airlines will fly you from Chicago O'Hare Intl Airport to Bologna and back. In addition to Turkish Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and United Airlines - these airlines can fly you to your destination from $550 and $609, respectively. These flights start at 47% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Bologna one-way?
One-way options have recently been found by users for as low as $437 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Lufthansa from $477 and United Airlines from $490 one-way.
Can I find deals for flights from O'Hare Intl to Bologna that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Bologna flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Bologna?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Bologna.
Can I find deals for business class flights from O'Hare Intl to Bologna?
Yes. Cheapflights offers flight deals from O'Hare Intl to Bologna by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Bologna?
Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bologna (average of $676). Flying from Chicago O'Hare Intl Airport to Bologna in June is currently the most expensive (average of $1,203). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for O'Hare Intl to Bologna

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Top 7 airlines flying from O'Hare Intl to Bologna

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest$519	Average$561	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$550	Average$816	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$609	Average$891	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$676	Average$1,163	FlexibilityNo cancel fee	On-timeN/A
ITA Airways	Cheapest$677	Average$901	FlexibilityNo cancel fee	On-time81%
Lufthansa	Cheapest$704	Average$937	FlexibilityNo cancel fee	On-time76%
SWISS	Cheapest$831	Average$1,077	FlexibilityNo cancel fee	On-time79%

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$373+ Cheap flights from O'Hare Intl (ORD) to Bologna (BLQ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from O'Hare Intl to Bologna with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Bologna Guglielmo Marconi are usually found in October or April, booked 63 days in advance, depart on a Monday or Sunday and return on a Monday

Cheap flight deals from O'Hare Intl to Bologna

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from O'Hare Intl to Bologna

Cheapest flights from O'Hare Intl to BolognaExplore the most affordable flight options available from O'Hare Intl to Bologna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.

Explore the most affordable flight options available from O'Hare Intl to Bologna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bologna that are best for you.

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Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Bologna. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Bologna from Chicago O'Hare Intl?

How long is the flight from Chicago O'Hare Intl Airport to Bologna?

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Bologna round-trip?

What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Bologna one-way?

Can I find deals for flights from O'Hare Intl to Bologna that include hotel bookings?

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Can I find deals for business class flights from O'Hare Intl to Bologna?

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Bologna?

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Alternative routes for O'Hare Intl to Bologna

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Top 7 airlines flying from O'Hare Intl to Bologna

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Cheapest flights from O'Hare Intl to Bologna
Explore the most affordable flight options available from O'Hare Intl to Bologna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.