buf-to-stl

 

The cheapest times to fly from BUF to STL are

  • April 16th to April 29th
  • May 21st to July 15th (except the week of July 2nd)
  • October 8th to March 4th (except the weeks of November 19th, November 26th, December 24th, and February 12th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BUF to STL is late May to early June. Prices can be as high as $818 for Monday flights during early to mid May, or as low as $257 for Tuesday flights around late May to early June.

 

When to Fly to St. Louis

Flying from Buffalo, NY (BUF) to St. Louis, MO (STL) will usually cost between $258 to $438 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late May to early June with an average ticket price of $295. Due to high demand the most expensive time to fly is early to mid May, with an average price of $427. Planning your trip to low-cost times can easily save you $132 on economy flights and even more on first-class flights. Generally, any price below $347 can be considered a good price for a round-trip BUF to STL flight.

See below for a graph of average weekly prices for the BUF to STL route. All prices are for round-trip tickets in USD.

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BUF to STL Flight Prices

Compared to other flights, the BUF to STL flight is much cheaper than the average and costs much less than the average flight leaving from Buffalo. The average price per mile (for a direct flight) is $0.32, which is in the normal range for a flight.

 

Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Mondays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $99 (26%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $286. Return trip prices are from the STL to BUF flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

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Departure Day Prices

Return Trip Prices by Day

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Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from BUF to STL can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 12 minutes may not be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from BUF to STL while comparing.

Destination alternative #1: General Downing – Peoria International Airport (PIA) in Peoria, IL

  • 137 miles (220 km) away from STL
  • Usually 14.29% less expensive than STL
  • 1-layover flights available

See BUF to PIA flights

Destination alternative #2: Central Illinois Regional Airport (BMI) in Bloomington/Normal, IL

  • 142 miles (229 km) away from STL
  • Usually 8.23% less expensive than STL
  • 1-layover flights available

See BUF to BMI flights

Destination alternative #3: University of Illinois/Willard Airport (CMI) in Champaign/Urbana, IL

  • 143 miles (230 km) away from STL
  • Usually 2.45% less expensive than STL
  • 1-layover flights available

See BUF to CMI flights

 

Flight Questions Answered

Still have questions about flying from BUF to STL? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: American, Cape Air, Delta, Frontier, Southwest, United, and potentially more during busy seasons.

How far away is it from St Louis Lambert International Airport to Buffalo Niagara International Airport?

The distance between the two airports is roughly 673 miles or 1083 kilometers.

How long does it take to fly from BUF to STL?

The real-world flight time for a nonstop BUF to STL flight is about 2 hour 12 minutes.

How many flights go between Buffalo, NY and St. Louis, MO?

It depends on the day of the week and the date, but a typical day might have around 76 available flights from BUF to STL.

 

Airport Location Info

 

Departing Airport

Origination code BUF
Origination airport name Buffalo Niagara International Airport
City Buffalo, NY
Country the United States
Latitude 42.9
Longitude -78.7

Return Airport

Destination code STL
Destination airport name St Louis Lambert International Airport
City St. Louis, MO
Country the United States
Latitude 38.7
Longitude -90.4

 

Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.