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YSJ to BUF: distance & flight time
St. John (Saint John Airport) → Buffalo (Buffalo Niagara International Airport)
657 mi
1,057 km · 571 nm
1h 54m
estimated nonstop flight time
-1h
time difference · heading west
See live YSJ→BUF fares Phone-only fares on this route — call free
Flight time details
657 miles nonstop takes roughly 1h 54m 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
- YSJ — Saint John Airport · St. John, Canada
- 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 YSJ
- YFC · Fredericton Airport49 mi away
- YZX · CFB Greenwood53 mi away
- YDG · Digby / Annapolis Regional Airport53 mi away
- YQM · Greater Moncton International Airport80 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 YSJ from BUF?
The flight distance from St. John (YSJ) to Buffalo (BUF) is 657 miles (1,057 km, 571 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSJ to BUF?
A nonstop flight takes about 1h 54m 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 St. John and Buffalo?
Buffalo is 1 hour behind St. John.
What is the cheapest way to fly from YSJ to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSJ–BUF that never appear on search engines, with no booking fees.