Lowest Prices
Uncover the best deals on St Louis to Buffalo flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest STL - BUF Flights
Useful information for finding best airline tickets from Lambert St Louis International to Buffalo Niagara International on your next trip.
Cheapest Round Trip Flight
$384
Delta Airlines
• 1 stop
• 10h 55m
Aug 03 – Aug 07
The cheapest round trip flight from St Louis to Buffalo (STL-BUF-STL) is currently $384
Fastest Flight
6h 56m
The fastest nonstop flight from St Louis to Buffalo (STL-BUF) takes 6h 56m
Top Airlines Flying from St Louis to Buffalo
Latest Flight Deals from St Louis (STL) to Buffalo (BUF)
Compare and book low fare round-trip air tickets from St Louis to Buffalo. Ideal for travelers with confirmed return itineraries.
Aug 03 - Aug 07, Economy
St Louis → Buffalo
10h 55m
7:00 AM - 6:55 PM • 1 stop
St Louis → Buffalo
6h 50m
6:27 AM - 9:37 AM • 1 stop
Delta Airlines
Aug 03 - Aug 07, Economy
St Louis → Buffalo
6h 56m
11:25 AM - 4:41 PM • 1 stop
St Louis → Buffalo
9h 9m
10:57 AM - 3:46 PM • 1 stop
United Airlines
Aug 03 - Aug 07, Economy
St Louis → Buffalo
8h 24m
5:25 PM - 11:29 PM • 1 stop
St Louis → Buffalo
10h 37m
12:16 PM - 5:53 PM • 1 stop
Delta Airlines
Aug 03 - Aug 07, Economy
St Louis → Buffalo
13h 40m
9:55 AM - 7:15 PM • 2 stops
St Louis → Buffalo
8h 55m
11:45 AM - 4:20 PM • 1 stop
Southwest Airlines
Aug 03 - Aug 07, Economy
St Louis → Buffalo
35h 58m
8:08 PM - 7:06 PM • 2 stops
St Louis → Buffalo
31h 49m
2:48 PM - 8:57 AM • 1 stop
Frontier Airlines
Flying to Buffalo soon? We've surfaced some of the most affordable last-minute flights from St Louis to Buffalo, ideal for urgent plans or spontaneous trips.
Aug 03 - Aug 07, Economy
St Louis → Buffalo
10h 55m
7:00 AM - 6:55 PM • 1 stop
St Louis → Buffalo
6h 50m
6:27 AM - 9:37 AM • 1 stop
Delta Airlines
Aug 03 - Aug 07, Economy
St Louis → Buffalo
6h 56m
11:25 AM - 4:41 PM • 1 stop
St Louis → Buffalo
9h 9m
10:57 AM - 3:46 PM • 1 stop
United Airlines
Aug 03 - Aug 07, Economy
St Louis → Buffalo
8h 24m
5:25 PM - 11:29 PM • 1 stop
St Louis → Buffalo
10h 37m
12:16 PM - 5:53 PM • 1 stop
Delta Airlines
Aug 03 - Aug 07, Economy
St Louis → Buffalo
13h 40m
9:55 AM - 7:15 PM • 2 stops
St Louis → Buffalo
8h 55m
11:45 AM - 4:20 PM • 1 stop
Southwest Airlines
Aug 03 - Aug 07, Economy
St Louis → Buffalo
35h 58m
8:08 PM - 7:06 PM • 2 stops
St Louis → Buffalo
31h 49m
2:48 PM - 8:57 AM • 1 stop
Frontier Airlines
FAQs on St Louis to Buffalo Flights
What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to BUF?
The most popular airline flying from St Louis to Buffalo are
Can I fly from STL to BUF non-stop?
NO
Which airlines fly nonstop between St Louis and Buffalo?
The non-stop flights between St Louis and Buffalo are .
What’s the earliest departure time from STL to BUF Airport?
The earliest flight leaves STL at 7:00 am and lands in BUF - Buffalo Niagara International
What are the airports in Buffalo?
BUF
Can I make changes to my St Louis to Buffalo 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 STL to BUF?
Read the fare rules of the St Louis to Buffalo 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 St Louis and Buffalo?
operate flights between St Louis and Buffalo
How long does a flight from St Louis to Buffalo take?
It takes approximately 2 hour to fly non-stop from STL to BUF, which is 674.16 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to Buffalo (BUF) ?
In the past couple of days, the cheapest tickets to BUF from STL were found on DL : USD 384
Do I need a passport to fly between STL and BUF?
No
What’s the latest departure time from STL to BUF ?
The last flight leaves STL at 8:08 pm
St Louis (STL) to Buffalo (BUF): Airport Information
| Origin Airport | Lambert St Louis International , St Louis, US |
| Destination Airport | Buffalo Niagara International , Buffalo, US |
| Distance | 674 miles |
More Flight Options for St Louis (STL) and Buffalo (BUF)
Flights from St Louis (STL)
to Las Vegas (LAS)
Flights from St Louis (STL)
to San Francisco (SFO)
Flights from St Louis (STL)
to Miami (MIA)
Flights from St Louis (STL)
to Cancún (CUN)
Flights from St Louis (STL)
to Orlando (MCO)
Flights from St Louis (STL)
to Houston (IAH)
Flights from St Louis (STL)
to Tampa (TPA)
Flights from St Louis (STL)
to Santa Ana (SNA)
Flights from St Louis (STL)
to Los Angeles (LAX)
Flights from St Louis (STL)
to New York (JFK)
Flights from St Louis (STL)
to Chicago (ORD)
Flights from St Louis (STL)
to Houston (HOU)
Flights from St Louis (STL)
to Seattle (SEA)
Flights from St Louis (STL)
to El Paso (ELP)
Flights from St Louis (STL)
to Omaha (OMA)
Flights from St Louis (STL)
to Panama City Beach (ECP)
Flights from St Louis (STL)
to Ontario (ONT)
Flights from St Louis (STL)
to Ontario (ONT)
Flights from St Louis (STL)
to San Diego (SAN)
Flights from St Louis (STL)
to Portland (PDX)
Flights from San Diego (SAN)
to Buffalo (BUF)
Flights from Atlanta (ATL)
to Buffalo (BUF)
Flights from New York (LGA)
to Buffalo (BUF)
Flights from Fort Lauderdale (FLL)
to Buffalo (BUF)
Flights from Tampa (TPA)
to Buffalo (BUF)
Flights from Nashville (BNA)
to Buffalo (BUF)
Flights from Orlando (MCO)
to Buffalo (BUF)
Flights from Minneapolis (MSP)
to Buffalo (BUF)
Flights from Minneapolis (MSP)
to Buffalo (BUF)
Flights from Dallas (DAL)
to Buffalo (BUF)
Flights from Houston (HOU)
to Buffalo (BUF)
Flights from New York (JFK)
to Buffalo (BUF)
Flights from Miami (MIA)
to Buffalo (BUF)
Flights from San Francisco (SFO)
to Buffalo (BUF)
Flights from St Louis (STL)
to Buffalo (BUF)
Flights from Fort Myers (RSW)
to Buffalo (BUF)
Flights from Dallas (DFW)
to Buffalo (BUF)
Flights from Trenton (TTN)
to Buffalo (BUF)
Flights from Austin (AUS)
to Buffalo (BUF)
Flights from Des Moines (DSM)
to Buffalo (BUF)
Cheap flights to North America (NA)
Cheap flights to United States (US)
Cheap flights to Missouri (US-MO)
Cheap flights to New York (US-NY)
Cheap flights from North America (NA)
Cheap flights from United States (US)
Cheap flights from New York (US-NY)
Cheap flights from Missouri (US-MO)
Flights to Buffalo (BUF)
Flights to St Louis (STL)
Flights from Buffalo (BUF)
Flights from Buffalo (BUF)
to St Louis (STL)
Flights from St Louis (STL)
Why Fareleaders for STL to BUF Plane Tickets
New Deals Everyday
Get the best prices on STL to BUF flights—we update our fares daily so you never miss a saving.
No Service Fees
Compare hundreds of St Louis to Buffalo flights and secure the best deals—we never add any service fees.