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YCM to SFO: distance & flight time
Saint Catherines (Niagara District Airport) → San Francisco (San Francisco International Airport)
2,280 mi
3,669 km · 1,981 nm
4h 56m
estimated nonstop flight time
-3h
time difference · heading west
See live YCM→SFO fares Phone-only fares on this route — call free
Flight time details
2,280 miles nonstop takes roughly 4h 56m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- YCM — Niagara District Airport · Saint Catherines, Canada
- SFO — San Francisco International Airport · San Francisco, 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 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
Frequently asked questions
How far is YCM from SFO?
The flight distance from Saint Catherines (YCM) to San Francisco (SFO) 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 YCM to SFO?
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 Saint Catherines and San Francisco?
San Francisco is 3 hours behind Saint Catherines.
What is the cheapest way to fly from YCM to SFO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YCM–SFO that never appear on search engines, with no booking fees.