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Cheap flights from St. Louis to Bologna from $670

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Bologna departing on 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Bologna

Cheap round-trip flights

Logo
9:15 am - 1:40 pmSTL-BLQ
21h 25m2 stops
Logo
7:40 pm - 4:29 pmBLQ-STL
50h 49m2 stops
$670
Find Deal
Tue, Oct 21 - Fri, Oct 31
Lufthansa Logo
12:25 pm - 12:45 pmSTL-BLQ
17h 20m2 stops
Lufthansa Logo
6:40 am - 2:55 pmBLQ-STL
14h 15m1 stop
$683Lufthansa
Find Deal
Tue, Oct 21 - Fri, Oct 31
Air Canada Logo
9:15 am - 12:45 pmSTL-BLQ
20h 30m2 stops
Air Canada Logo
6:00 am - 9:40 pmBLQ-STL
21h 40m3 stops
$813Air Canada
Find Deal
Tue, Oct 21 - Fri, Oct 31
Logo
3:50 pm - 12:40 pmSTL-BLQ
13h 50m2 stops
Logo
6:00 am - 1:55 pmBLQ-STL
14h 55m2 stops
$880
Find Deal
Sun, Nov 2 - Fri, Nov 14
Logo
12:25 pm - 9:10 amSTL-BLQ
13h 45m2 stops
Logo
6:00 am - 1:30 pmBLQ-STL
14h 30m2 stops
$1,070
Find Deal
Sun, Oct 12 - Sun, Oct 19
Logo
3:30 pm - 10:00 amSTL-BLQ
11h 30m1 stop
Logo
1:25 pm - 9:37 pmBLQ-STL
15h 12m2 stops
$1,212
Find Deal
Fri, Sep 26 - Sat, Oct 4
Logo
1:05 pm - 10:00 amSTL-BLQ
13h 55m2 stops
Logo
1:25 pm - 9:37 pmBLQ-STL
15h 12m2 stops
$1,351
Find Deal
Fri, Sep 26 - Sat, Oct 4
Logo
12:35 pm - 10:20 amSTL-BLQ
14h 45m2 stops
Logo
6:00 am - 1:30 pmBLQ-STL
14h 30m2 stops
$1,692
Find Deal
Sat, Sep 13 - Fri, Sep 26
Logo
3:30 pm - 10:00 amSTL-BLQ
11h 30m1 stop
Logo
6:00 am - 1:30 pmBLQ-STL
14h 30m2 stops
$1,966
Find Deal
Fri, Sep 19 - Fri, Sep 26
Logo
3:30 pm - 12:45 pmSTL-BLQ
14h 15m2 stops
Logo
6:00 am - 1:30 pmBLQ-STL
14h 30m2 stops
$1,988
Find Deal
Fri, Sep 19 - Fri, Sep 26

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Bologna 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 August 21, 2025.
Use the filters below to find and compare flights from St. Louis to Bologna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Tue 10/21

9:15 am-1:40 pm

2 stops21h 25m

Bologna Guglielmo Marconi

Fri 10/31

7:40 pm-4:29 pm

2 stops50h 49m

$670

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Tue 10/21

12:25 pm-12:45 pm

2 stops17h 20m

Bologna Guglielmo Marconi

Fri 10/31

6:40 am-2:55 pm

1 stop14h 15m

$683

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Tue 10/21

9:15 am-12:45 pm

2 stops20h 30m

Bologna Guglielmo Marconi

Fri 10/31

6:00 am-9:40 pm

3 stops21h 40m

$813

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Sun 11/2

3:50 pm-12:40 pm

2 stops13h 50m

Bologna Guglielmo Marconi

Fri 11/14

6:00 am-1:55 pm

2 stops14h 55m

$880

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Sun 10/12

12:25 pm-9:10 am

2 stops13h 45m

Bologna Guglielmo Marconi

Sun 10/19

6:00 am-1:30 pm

2 stops14h 30m

$1,070

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Fri 9/26

3:30 pm-10:00 am

1 stop11h 30m

Bologna Guglielmo Marconi

Sat 10/4

1:25 pm-9:37 pm

2 stops15h 12m

$1,212

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Fri 9/26

1:05 pm-10:00 am

2 stops13h 55m

Bologna Guglielmo Marconi

Sat 10/4

1:25 pm-9:37 pm

2 stops15h 12m

$1,351

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Sat 9/13

12:35 pm-10:20 am

2 stops14h 45m

Bologna Guglielmo Marconi

Fri 9/26

6:00 am-1:30 pm

2 stops14h 30m

$1,692

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Fri 9/19

3:30 pm-10:00 am

1 stop11h 30m

Bologna Guglielmo Marconi

Fri 9/26

6:00 am-1:30 pm

2 stops14h 30m

$1,966

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Fri 9/19

3:30 pm-12:45 pm

2 stops14h 15m

Bologna Guglielmo Marconi

Fri 9/26

6:00 am-1:30 pm

2 stops14h 30m

$1,988

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Bologna from

How to get the cheapest flight ticket from St. Louis to Bologna

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 Bologna?

According to our data, Wednesday is the cheapest day to fly to Bologna from St. Louis. The lowest ticket price found for a Wednesday departure recently was $840. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from St. Louis to Bologna on a Saturday will generally be more expensive and average around $1,564. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Bologna?

Our most recent data shows that the best time of day to fly to Bologna is in the morning. Flights from St. Louis to Bologna during this time can be as low as $1,336. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,401 on average. Flights to Bologna from St. Louis at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from St. Louis to Bologna

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Bologna according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Bologna (STL to BLQ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Bologna

Direct flights

None
There are no direct flights from St. Louis to Bologna. There are no popular flight routes from St. Louis to Bologna.
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  • How far is Lambert-St Louis to Bologna Guglielmo Marconi by plane?

    The distance between Lambert-St Louis and Bologna Guglielmo Marconi is about 4900.2 mi. In terms of flight time, this usually takes a little over 11h 30m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Bologna Guglielmo Marconi Airport?

    Prices for flights from Lambert-St Louis Airport to Bologna Guglielmo Marconi Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Bologna Guglielmo Marconi Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Bologna Guglielmo Marconi Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Bologna Guglielmo Marconi Airport.

  • What documentation or ID do you need to fly to Bologna Guglielmo Marconi Airport?

    The travel and health documents required for your trip to Bologna Guglielmo Marconi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bologna Guglielmo Marconi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Bologna?

Best airlines flying from St. Louis to Bologna

Compare and see reviews for airlines that fly from St. Louis to Bologna with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $742Free CancellationRating
6.8
7,344 reviews
Search Lufthansa flights

Traveling to a place near Bologna?

Book flights to Bologna if you plan to visit one of these locations
Modena
Ferrara
Imola
Maranello
Reggio nell'Emilia

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Why should I use momondo to find a flight deal from St. Louis to Bologna?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Bologna for you.

Can I find flights from St. Louis to Bologna with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Bologna flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Bologna?

Once you have performed a search for St. Louis to Bologna flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Bologna right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Bologna now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bologna and let you know when they change.

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