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Uncover the best deals on Buffalo to St Louis flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest BUF - STL Flights
Useful information for finding best airline tickets from Buffalo Niagara International to Lambert St Louis International on your next trip.
Cheapest Round Trip Flight
$405
Southwest Airlines
• 1 stop
• 7h
Nov 25 – Nov 30
The cheapest round trip flight from Buffalo to St Louis (BUF-STL-BUF) is currently $405
Fastest Flight
5h 44m
The fastest nonstop flight from Buffalo to St Louis (BUF-STL) takes 5h 44m
Top Airlines Flying from Buffalo to St Louis
Latest Flight Deals from Buffalo (BUF) to St Louis (STL)
Compare and book low fare round-trip air tickets from Buffalo to St Louis. Ideal for travelers with confirmed return itineraries.
Nov 25 - Nov 30, Economy
Buffalo → St Louis
7h
7:25 PM - 10:45 PM • 1 stop
Buffalo → St Louis
12h 35m
2:55 PM - 11:50 PM • 1 stop
Southwest Airlines
Nov 25 - Nov 30, Economy
Buffalo → St Louis
10h 25m
6:30 PM - 11:55 PM • 1 stop
Buffalo → St Louis
5h 35m
5:30 AM - 10:05 AM • 1 stop
Southwest Airlines
Nov 25 - Nov 30, Economy
Buffalo → St Louis
9h 15m
12:40 PM - 5:35 PM • 1 stop
Buffalo → St Louis
9h
10:15 AM - 4:55 PM • 1 stop
Southwest Airlines
Nov 25 - Nov 30, Economy
Buffalo → St Louis
10h 5m
4:10 PM - 9:15 PM • 1 stop
Buffalo → St Louis
7h 20m
8:15 AM - 1:55 PM • 1 stop
Southwest Airlines
Nov 25 - Nov 30, Economy
Buffalo → St Louis
9h 19m
12:15 PM - 5:14 PM • 1 stop
Buffalo → St Louis
5h 38m
6:40 AM - 11:18 AM • 1 stop
Delta Airlines
FAQs on Buffalo to St Louis Flights
What are the airports in Buffalo?
BUF
What’s the most popular airline flying from BUF to STL?
The most popular airline flying from Buffalo to St Louis are
Can I fly from BUF to STL non-stop?
NO
Which airlines fly nonstop between Buffalo and St Louis?
The non-stop flights between Buffalo and St Louis are .
What’s the earliest departure time from BUF to STL Airport?
The earliest flight leaves BUF at 12:15 pm and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Buffalo to St Louis flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from BUF to STL?
Read the fare rules of the Buffalo to St Louis air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Buffalo and St Louis?
operate flights between Buffalo and St Louis
How long does a flight from Buffalo to St Louis take?
It takes approximately 2 hour to fly non-stop from BUF to STL, which is 674.16 miles by air.
Which airlines provide the cheapest flights from Buffalo (BUF) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from BUF were found on DL : USD 490
Do I need a passport to fly between BUF and STL?
No
What’s the latest departure time from BUF to STL ?
The last flight leaves BUF at 7:25 pm
Buffalo (BUF) to St Louis (STL): Airport Information
| Origin Airport | Buffalo Niagara International , Buffalo, US |
| Destination Airport | Lambert St Louis International , St Louis, US |
| Distance | 674 miles |
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