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YCM to SUS: distance & flight time
Saint Catherines (Niagara District Airport) → Null (Spirit of St Louis Airport)
675 mi
1,087 km · 587 nm
1h 56m
estimated nonstop flight time
-1h
time difference · heading southwest
See live YCM→SUS fares Phone-only fares on this route — call free
Flight time details
675 miles nonstop takes roughly 1h 56m gate to gate, flying southwest. 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
- YCM — Niagara District Airport · Saint Catherines, Canada
- SUS — Spirit of St Louis Airport · Null, 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 YCM
- YYZ · Lester B. Pearson International Airport41 mi away
- IAG · Niagara Falls International Airport13 mi away
- BUF · Buffalo Niagara International Airport28 mi away
- DU9 · Dunnville Airport31 mi away
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
Frequently asked questions
How far is YCM from SUS?
The flight distance from Saint Catherines (YCM) to Null (SUS) is 675 miles (1,087 km, 587 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YCM to SUS?
A nonstop flight takes about 1h 56m 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 Saint Catherines and Null?
Null is 1 hour behind Saint Catherines.
What is the cheapest way to fly from YCM to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YCM–SUS that never appear on search engines, with no booking fees.