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ACH to BUF: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Buffalo (Buffalo Niagara International Airport)
4,068 mi
6,547 km · 3,535 nm
8h 27m
estimated nonstop flight time
-6h
time difference · heading northwest
See live ACH→BUF fares Phone-only fares on this route — call free
Flight time details
4,068 miles nonstop takes roughly 8h 27m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
- 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 ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 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 ACH from BUF?
The flight distance from Altenrhein (ACH) to Buffalo (BUF) is 4,068 miles (6,547 km, 3,535 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to BUF?
A nonstop flight takes about 8h 27m 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 Altenrhein and Buffalo?
Buffalo is 6 hours behind Altenrhein.
What is the cheapest way to fly from ACH to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–BUF that never appear on search engines, with no booking fees.