Cheap Flights from Pittsburgh (PIT) to Belleville (BLV)

Popular airlines from Pittsburgh Intl. Airport (PIT) to Belleville, IL (BLV-MidAmerica-St. Louis)

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Frequently asked questions

How much does a flight from Pittsburgh Intl. Airport (PIT) to MidAmerica-St. Louis Airport (BLV) cost?
Snag a cheap one-way flight or cheap return flight from Pittsburgh Intl. Airport (PIT) to MidAmerica-St. Louis Airport (BLV) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Pittsburgh Intl. Airport (PIT) to MidAmerica-St. Louis Airport (BLV)?
The cheapest month to fly from PIT to BLV is , when demand is low. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Pittsburgh Intl. Airport (PIT) to MidAmerica-St. Louis Airport (BLV)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest PIT to BLV flight.
How many flights per day from Pittsburgh Intl. Airport (PIT) to MidAmerica-St. Louis Airport (BLV)?
Nonstop flights from Pittsburgh Intl. Airport (PIT) to MidAmerica-St. Louis Airport (BLV) 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 PIT to BLV?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pittsburgh Intl. Airport (PIT) to MidAmerica-St. Louis Airport (BLV)?
To avoid possible delays on the Pittsburgh Intl. Airport (PIT) to MidAmerica-St. Louis Airport (BLV) route, travel before 3 PM. Later departures 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 Pittsburgh Intl. Airport (PIT) to MidAmerica-St. Louis Airport (BLV) last-minute?
Booking your ticket from PIT to BLV right before your getaway is generally more expensive. However, if you're flexible with your travel times and dates, you could land a cheap last-minute fare.
Can I cancel or change the date of my flight from Pittsburgh Intl. Airport (PIT) to MidAmerica-St. Louis Airport (BLV)?
If you reserved your PIT to BLV flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Pittsburgh Intl.
Destination airport
MidAmerica-St. Louis
Distance
526 mi

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Pittsburgh to Belleville Flights

The cheapest times to fly from Pittsburgh to Belleville

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 Pittsburgh to Belleville are during the month of . You can find some of the cheapest flights from Pittsburgh to Belleville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Pittsburgh to Belleville

Sunday is one of the best days to book for cheap flights from Pittsburgh to Belleville: 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 Pittsburgh to Belleville

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 Pittsburgh to Belleville in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Pittsburgh to Belleville 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 Pittsburgh to Belleville 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.

 

Pittsburgh to Belleville Flights

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*Available to One Key members.