Flights from St Louis to Buffalo

Did you mean Flights from Buffalo to St Louis?

St Louis

United States

STL

Lambert St Louis International Airport

Buffalo

United States

BUF

Buffalo Niagara International Airport

Route: No published route in current feed
Distance: 673 miles

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.

St Louis to Buffalo route overview

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

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

Roame's current schedule feed does not list a published route from STL to BUF; use the live results above to explore connections.

Frequently asked questions

Which airports serve the St Louis to Buffalo route?

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

How far is Buffalo from St Louis?

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

Are there direct flights from STL to BUF?

No published route from STL to BUF appears in Roame's current schedule feed. Check the live results for possible connections.