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SUS to BUF: distance & flight time
Null (Spirit of St Louis Airport) → Buffalo (Buffalo Niagara International Airport)
689 mi
1,109 km · 599 nm
1h 58m
estimated nonstop flight time
+1h
time difference · heading northeast
See live SUS→BUF fares Phone-only fares on this route — call free
Flight time details
689 miles nonstop takes roughly 1h 58m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- SUS — Spirit of St Louis Airport · Null, United States
- BUF — Buffalo Niagara International Airport · Buffalo, 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 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
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
Frequently asked questions
How far is SUS from BUF?
The flight distance from Null (SUS) to Buffalo (BUF) is 689 miles (1,109 km, 599 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SUS to BUF?
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 Null and Buffalo?
Buffalo is 1 hour ahead of Null.
What is the cheapest way to fly from SUS to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SUS–BUF that never appear on search engines, with no booking fees.