Cheap Flights from St. Louis (STL) to Butler (BTP)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Butler, PA (BTP-Butler County)

Alternative airports near Butler

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

Select flight to Pittsburgh Intl. PIT. Cheapest option available. Average driving time to city center is 1 hour 3 minutes. Flights from $437
PIT
Pittsburgh Intl.
Cheapest
Average driving time to city center1 h 3 min
Flights from $437

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Butler, PA (BTP-Butler County) cost?
Snag a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Butler, PA (BTP-Butler County) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Butler, PA (BTP-Butler County)?
is the cheapest month to fly from STL to BTP. Timing your trip outside of the busy season is often the key to finding better fares.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Butler, PA (BTP-Butler County)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from STL to BTP. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Butler, PA (BTP-Butler County)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Butler, PA (BTP-Butler County) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to BTP?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Butler, PA (BTP-Butler County)?
To reach Butler, PA (BTP-Butler County) on schedule, select a flight that takes off from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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.
What airports do you fly into for Butler from Lambert-St. Louis Intl. Airport (STL)?
Pittsburgh Intl. Airport (PIT) is the only airport in Butler with direct flights from Lambert-St. Louis Intl. Airport (STL). Explore the available options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Butler, PA (BTP-Butler County) last-minute?
Holding off until just before your trip to book a ticket from STL to BTP generally means paying more. While you may come across some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible to maximize your chances of getting a bargain.
Is it cheaper to book a STL to BTP flight and hotel package?
Securing a STL to BTP flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Butler, PA (BTP-Butler County)?
Generally, it's possible to cancel or reschedule your STL to BTP flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Butler County
Distance
570 mi

Book with confidence

Book with confidence

St. Louis to Butler Flights

The cheapest times to fly from St. Louis to Butler

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

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Butler: 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 Butler

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 Butler 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 St. Louis to Butler 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 Butler 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 Butler Flights

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Explore a world of travel with Expedia

*Available to One Key members.