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IAG to YSL: distance & flight time
Niagara Falls (Niagara Falls International Airport) → St Leonard (St Leonard Airport)
609 mi
980 km · 529 nm
1h 47m
estimated nonstop flight time
—
time difference · heading northeast
See live IAG→YSL fares Phone-only fares on this route — call free
Flight time details
609 miles nonstop takes roughly 1h 47m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- IAG — Niagara Falls International Airport · Niagara Falls, United States
- YSL — St Leonard Airport · St Leonard, 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 YSL
- CAR · Caribou Municipal Airport22 mi away
- WFK · Northern Aroostook Regional Airport24 mi away
- PQI · Northern Maine Regional Airport at Presque Isle34 mi away
- HUL · Houlton International Airport71 mi away
Frequently asked questions
How far is IAG from YSL?
The flight distance from Niagara Falls (IAG) to St Leonard (YSL) is 609 miles (980 km, 529 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAG to YSL?
A nonstop flight takes about 1h 47m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from IAG to YSL?
Nonstop service on IAG–YSL depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 47m nonstop estimate.
What is the cheapest way to fly from IAG to YSL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAG–YSL that never appear on search engines, with no booking fees.
Why are some IAG to YSL fares phone-only?
Consolidator contracts let us sell certain IAG–YSL tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.