Need help booking?
Unpublished phone-only deals available
SFO to YCM: distance & flight time
San Francisco (San Francisco International Airport) → Saint Catherines (Niagara District Airport)
2,280 mi
3,669 km · 1,981 nm
4h 56m
estimated nonstop flight time
+3h
time difference · heading northeast
See live SFO→YCM fares Phone-only fares on this route — call free
Flight time details
2,280 miles nonstop takes roughly 4h 56m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- SFO — San Francisco International Airport · San Francisco, 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 SFO
- SQL · San Carlos Airport10 mi away
- HAF · Half Moon Bay Airport10 mi away
- OAK · Metropolitan Oakland International Airport11 mi away
- NGZ · Alameda Naval Air Station12 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 SFO from YCM?
The flight distance from San Francisco (SFO) to Saint Catherines (YCM) is 2,280 miles (3,669 km, 1,981 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SFO to YCM?
A nonstop flight takes about 4h 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 San Francisco and Saint Catherines?
Saint Catherines is 3 hours ahead of San Francisco.
What is the cheapest way to fly from SFO to YCM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SFO–YCM that never appear on search engines, with no booking fees.