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BUF to SUS: distance & flight time
Buffalo (Buffalo Niagara International Airport) → Null (Spirit of St Louis Airport)
689 mi
1,109 km · 599 nm
1h 58m
estimated nonstop flight time
-1h
time difference · heading west
See live BUF→SUS fares Phone-only fares on this route — call free
Flight time details
689 miles nonstop takes roughly 1h 58m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- BUF — Buffalo Niagara International Airport · Buffalo, United States
- SUS — Spirit of St Louis Airport · Null, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Near SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 mi away
Frequently asked questions
How far is BUF from SUS?
The flight distance from Buffalo (BUF) to Null (SUS) is 689 miles (1,109 km, 599 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BUF to SUS?
A nonstop flight takes about 1h 58m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Buffalo and Null?
Null is 1 hour behind Buffalo.
What is the cheapest way to fly from BUF to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BUF–SUS that never appear on search engines, with no booking fees.