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IAG to YSJ: distance & flight time
Niagara Falls (Niagara Falls International Airport) → St. John (Saint John Airport)
664 mi
1,068 km · 577 nm
1h 55m
estimated nonstop flight time
+1h
time difference · heading east
See live IAG→YSJ fares Phone-only fares on this route — call free
Flight time details
664 miles nonstop takes roughly 1h 55m gate to gate, flying east. 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
- IAG — Niagara Falls International Airport · Niagara Falls, United States
- YSJ — Saint John Airport · St. John, Canada
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 IAG
- YYZ · Lester B. Pearson International Airport52 mi away
- YCM · Niagara District Airport13 mi away
- BUF · Buffalo Niagara International Airport16 mi away
- DU9 · Dunnville Airport37 mi away
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
Frequently asked questions
How far is IAG from YSJ?
The flight distance from Niagara Falls (IAG) to St. John (YSJ) is 664 miles (1,068 km, 577 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAG to YSJ?
A nonstop flight takes about 1h 55m 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 Niagara Falls and St. John?
St. John is 1 hour ahead of Niagara Falls.
What is the cheapest way to fly from IAG to YSJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAG–YSJ that never appear on search engines, with no booking fees.