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IAH to YCM: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Saint Catherines (Niagara District Airport)
1,275 mi
2,052 km · 1,108 nm
3h 14m
estimated nonstop flight time
+1h
time difference · heading northeast
See live IAH→YCM fares Phone-only fares on this route — call free
Flight time details
1,275 miles nonstop takes roughly 3h 14m 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
- IAH — George Bush Intercontinental Houston Airport · Houston, 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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 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 IAH from YCM?
The flight distance from Houston (IAH) to Saint Catherines (YCM) is 1,275 miles (2,052 km, 1,108 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to YCM?
A nonstop flight takes about 3h 14m 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 Houston and Saint Catherines?
Saint Catherines is 1 hour ahead of Houston.
What is the cheapest way to fly from IAH to YCM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–YCM that never appear on search engines, with no booking fees.