$440 Cheap Flights from St. Louis (STL) to Bologna (BLQ)

View $440 flight on Thu, Dec 11, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Bologna Airport (BLQ)

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Cheap Flights from St. Louis to Bologna (STL-BLQ)

Prices were available within the past 7 days and start at $440 for one-way flights and $530 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Nov 24 - Fri, Dec 12
STL
St. Louis
BLQ
Bologna
$530 Roundtrip, found 3 days ago
$530
Roundtrip
found 3 days ago
Select United flight, departing Mon, Nov 24 from St. Louis to Bologna, returning Fri, Dec 12, priced at $530 found 3 days ago
Air Canada
Wed, Nov 19 - Fri, Dec 5
STL
St. Louis
BLQ
Bologna
$535 Roundtrip, found 3 days ago
$535
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Nov 19 from St. Louis to Bologna, returning Fri, Dec 5, priced at $535 found 3 days ago
Air Canada
Sun, Jan 18 - Sun, Jan 25
STL
St. Louis
BLQ
Bologna
$536 Roundtrip, found 6 days ago
$536
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sun, Jan 18 from St. Louis to Bologna, returning Sun, Jan 25, priced at $536 found 6 days ago
United
Mon, Nov 24 - Sat, Dec 6
STL
St. Louis
BLQ
Bologna
$540 Roundtrip, found 3 days ago
$540
Roundtrip
found 3 days ago
Select United flight, departing Mon, Nov 24 from St. Louis to Bologna, returning Sat, Dec 6, priced at $540 found 3 days ago
Lufthansa
Sun, Jan 18 - Sun, Jan 25
STL
St. Louis
BLQ
Bologna
$541 Roundtrip, found 6 days ago
$541
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Sun, Jan 18 from St. Louis to Bologna, returning Sun, Jan 25, priced at $541 found 6 days ago
Delta
Fri, Nov 14 - Thu, Dec 4
STL
St. Louis
BLQ
Bologna
$542 Roundtrip, found 3 days ago
$542
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Nov 14 from St. Louis to Bologna, returning Thu, Dec 4, priced at $542 found 3 days ago
United
Tue, Dec 2 - Sun, Dec 14
STL
St. Louis
BLQ
Bologna
$542 Roundtrip, found 3 days ago
$542
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 2 from St. Louis to Bologna, returning Sun, Dec 14, priced at $542 found 3 days ago
United
Fri, Nov 14 - Fri, Dec 5
STL
St. Louis
BLQ
Bologna
$543 Roundtrip, found 3 days ago
$543
Roundtrip
found 3 days ago
Select United flight, departing Fri, Nov 14 from St. Louis to Bologna, returning Fri, Dec 5, priced at $543 found 3 days ago
Air Canada
Wed, Nov 19 - Thu, Dec 4
STL
St. Louis
BLQ
Bologna
$545 Roundtrip, found 3 days ago
$545
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Nov 19 from St. Louis to Bologna, returning Thu, Dec 4, priced at $545 found 3 days ago
British Airways
Sun, Jan 18 - Sun, Jan 25
STL
St. Louis
BLQ
Bologna
$549 Roundtrip, found 6 days ago
$549
Roundtrip
found 6 days ago
Select British Airways flight, departing Sun, Jan 18 from St. Louis to Bologna, returning Sun, Jan 25, priced at $549 found 6 days ago

Alternative airports near Bologna

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Guglielmo Marconi BLQ. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $630
BLQ
Guglielmo Marconi
CheapestClosest
Average driving time to city center12 min
Flights from $630

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Guglielmo Marconi Airport (BLQ) cost?
Secure a cheap one-way flight from $440 or cheap return flight from $530 from Lambert-St. Louis Intl. Airport (STL) to Guglielmo Marconi Airport (BLQ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Guglielmo Marconi Airport (BLQ)?
The cheapest month to fly from STL to BLQ is November, when there's less demand. Off-peak season is usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Guglielmo Marconi Airport (BLQ)?
To find the cheapest airline that'll fly you from STL to BLQ, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Guglielmo Marconi Airport (BLQ)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Guglielmo Marconi Airport (BLQ) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to BLQ?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Guglielmo Marconi Airport (BLQ)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Guglielmo Marconi Airport (BLQ) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Guglielmo Marconi Airport (BLQ) last-minute?
Booking your flight from STL to BLQ right before your trip is generally more expensive. However, if there's some wiggle room with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a STL to BLQ flight and hotel package?
You can save money by securing a STL to BLQ flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your preferred flights and accommodations, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Guglielmo Marconi Airport (BLQ)?
If you booked your STL to BLQ flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Guglielmo Marconi
Airlines serving
Air Canada, British Airways, Brussels Airlines, Iberia, Lufthansa, Scandinavian Airlines, Turkish Airlines, United
Roundtrip price
$530
Distance
4901 mi

Book with confidence

St. Louis to Bologna Flights

The cheapest times to fly from St. Louis to Bologna

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Bologna are during the month of November. You can find some of the cheapest flights from St. Louis to Bologna with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Bologna

Sunday is one of the best days to book for cheap flights from St. Louis to Bologna: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Bologna

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Bologna in 2025. You can also book with separate airlines for your outbound and return journeys, from $440 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Bologna flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Bologna airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Bologna Flights

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*Available to One Key members.