STL to BUF (St. Louis to Buffalo) Flights

Last Minute Flights from STL to BUF

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
STLBuffaloMay 3 to May 10$228
*Prices include taxes and fees

Cheapest STL to BUF Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
STLBuffaloMay 14 to May 24$188
STLBuffaloSeptember 2 to September 3$197
STLBuffaloJuly 2 to July 5$237
STLBuffaloJuly 2 to July 5$237
*Prices include taxes and fees
STL to BUF Flight Details
Origin airport
Lambert-St. Louis Intl.
Origin airport IATA code
STL
Destination airport
Buffalo Niagara Intl.
Destination airport IATA code
BUF
Distance
672 mi

Frequently asked questions

What airlines fly direct from STL to Buffalo Niagara International Airport?
Unfortunately, you can’t fly nonstop from Lambert-St. Louis Intl. Airport (STL) to BUF. Make your way to Buffalo by booking a flight with at least one stop in between. If you’re not pressed for time, why not spend a day or so in your layover city?
How many flights are there from STL to BUF?
Approximately 49 every day. If you’re in a big rush to visit Buffalo, see if you can grab an incredible last-minute deal from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) and then secure it straight away!
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
St. Louis, MO (STL-Lambert-St. Louis Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) takes on average 3 hours and 53 minutes. That’s an ideal amount of time to binge-watch a popular new series, get immersed in a podcast or enjoy some shut-eye.
What is the flight distance from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Considered a short-haul flight, just 670 miles (1,100 1) separates St. Louis, MO (STL-Lambert-St. Louis Intl.) and Buffalo, NY (BUF-Buffalo Niagara Intl.). Make yourself comfortable, but don’t get too relaxed! You’ll be hitting the tarmac in Buffalo soon enough.
How many morning flights are there from STL to BUF?
Early birds, you’ll be relieved to discover that there are 189 morning flights from STL to BUF each week.

  • American Airlines (AA) offers around 98 weekly flights that take off before noon. The earliest one is 5:00AM.
  • Another option is Delta Air Lines. This airline has 45 early flights each week. 5:36AM is the earliest to leave.
  • Leave before midday with United Airlines (UA) and you’ll have around 44 flights every week to take your pick of. 6:00AM is the first flight of the day from STL to BUF.

How many afternoon flights are there from STL to BUF?
Jet off on one of the 155 afternoon and evening flights from STL to BUF per week.

  • Delta Air Lines (DL) operates 57 weekly services that take off after midday. The earliest departs at 12:00PM.
  • You can also choose from the 57 afternoon and evening flights operated by American Airlines (AA) each week. 12:03PM is the first departure.
  • Alternatively, get on board with United Airlines (UA). This carrier has 30 flights per week after midday, with the earliest departure at 12:20PM.

What is the earliest departure time out of St. Louis to Buffalo?
Take off from STL at 5:00AM and land at BUF at 9:59PM. This is the earliest departure you can take on this route.
What is the latest departure time out of St. Louis to Buffalo?
Reserve a seat on the 9:53PM flight from STL, landing at 7:46AM at BUF, and allow yourself time to attend to those last-minute vacation preparations. This is the latest flight you can take on this route.
What is the average price from St. Louis to Buffalo?
Round-trip fares for this route start from about $188. When you’re ready to jet off, we’ll help you find the best possible price. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

St. Louis to Buffalo Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from St. Louis to Buffalo to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from STL to BUF, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from St. Louis to Buffalo, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.