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COU to YCM: distance & flight time
Columbia (Columbia Regional Airport) → Saint Catherines (Niagara District Airport)
743 mi
1,196 km · 646 nm
2h 5m
estimated nonstop flight time
+1h
time difference · heading northeast
See live COU→YCM fares Phone-only fares on this route — call free
Flight time details
743 miles nonstop takes roughly 2h 5m gate to gate, flying northeast. 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
- COU — Columbia Regional Airport · Columbia, United States
- YCM — Niagara District Airport · Saint Catherines, 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 COU
- JEF · Jefferson City Memorial Airport16 mi away
- AIZ · Lee C Fine Memorial Airport53 mi away
- SZL · Whiteman Air Force Base72 mi away
- TBN · Waynesville-St. Robert Regional Forney field75 mi away
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
Frequently asked questions
How far is COU from YCM?
The flight distance from Columbia (COU) to Saint Catherines (YCM) is 743 miles (1,196 km, 646 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COU to YCM?
A nonstop flight takes about 2h 5m 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 Columbia and Saint Catherines?
Saint Catherines is 1 hour ahead of Columbia.
What is the cheapest way to fly from COU to YCM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COU–YCM that never appear on search engines, with no booking fees.