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YCM to STS: distance & flight time
Saint Catherines (Niagara District Airport) → Santa Rosa (Charles M. Schulz Sonoma County Airport)
2,278 mi
3,665 km · 1,979 nm
4h 56m
estimated nonstop flight time
-3h
time difference · heading west
See live YCM→STS fares Phone-only fares on this route — call free
Flight time details
2,278 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
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, 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 STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 mi away
Frequently asked questions
How far is YCM from STS?
The flight distance from Saint Catherines (YCM) to Santa Rosa (STS) is 2,278 miles (3,665 km, 1,979 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YCM to STS?
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 Santa Rosa?
Santa Rosa is 3 hours behind Saint Catherines.
What is the cheapest way to fly from YCM to STS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YCM–STS that never appear on search engines, with no booking fees.