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APA to YCM: distance & flight time
Denver (Centennial Airport) → Saint Catherines (Niagara District Airport)
1,349 mi
2,171 km · 1,172 nm
3h 24m
estimated nonstop flight time
+2h
time difference · heading east
See live APA→YCM fares Phone-only fares on this route — call free
Flight time details
1,349 miles nonstop takes roughly 3h 24m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- APA — Centennial Airport · Denver, 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 APA
- DEN · Denver International Airport22 mi away
- BFK · Buckley Air Force Base10 mi away
- BJC · Rocky Mountain Metropolitan Airport27 mi away
- WBU · Boulder Municipal Airport38 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 APA from YCM?
The flight distance from Denver (APA) to Saint Catherines (YCM) is 1,349 miles (2,171 km, 1,172 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from APA to YCM?
A nonstop flight takes about 3h 24m 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 Denver and Saint Catherines?
Saint Catherines is 2 hours ahead of Denver.
What is the cheapest way to fly from APA to YCM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on APA–YCM that never appear on search engines, with no booking fees.