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Flights from Buffalo to St Louis

Did you mean Flights from St Louis to Buffalo?

Flightmap/Flights from BUF/BUF to STL

Buffalo

United States

BUF

Buffalo Niagara International Airport

St Louis

United States

STL

Lambert St Louis International Airport

Route
Published service includes stops
Distance
673 miles
Marketing airlines
2 airlines
Aircraft
4 aircraft types
Dates
Nov 1, 2026 – Jan 4, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Departure window: 2026-10-23 – 2026-11-21.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

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Explore these airports and cities

  • Flights from BUF
  • Flights to STL

Buffalo to St Louis route overview

Buffalo Niagara International Airport (BUF) serves Buffalo; Lambert St Louis International Airport (STL) serves St Louis.

The airports are 673 miles apart by great-circle distance.

Roame's current schedule feed lists service with stops from BUF to STL, but no nonstop service.

Marketing airlines listed in the current schedule, including codeshare sellers, are United Airlines (UA) and Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Nov 1, 2026 – Jan 4, 2027.

Marketing airlines on the Buffalo to St Louis route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

  • United Airlines (UA)Codeshare only

Airline alliance affiliations represented: Star Alliance

Aircraft flying from BUF to STL

Frequently asked questions

Which airports serve the Buffalo to St Louis route?

Buffalo Niagara International Airport (BUF) is the origin airport and Lambert St Louis International Airport (STL) is the destination airport.

How far is St Louis from Buffalo?

BUF and STL are approximately 673 miles apart by great-circle distance.

Are there direct flights from BUF to STL?

No. Roame's current schedule feed lists service with stops from BUF to STL, but no nonstop service.

Which airlines market flights from BUF to STL?

Marketing airlines listed in the current schedule, including codeshare sellers, are United Airlines (UA) and Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.

Which aircraft fly from BUF to STL?

Aircraft listed in the current schedule include Boeing 737-800 Winglets (73H), Boeing 737 MAX 8 (7M8), 7S7 and CR5.

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