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STS to YCM: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Saint Catherines (Niagara District Airport)
2,278 mi
3,665 km · 1,979 nm
4h 56m
estimated nonstop flight time
+3h
time difference · heading east
See live STS→YCM fares Phone-only fares on this route — call free
Flight time details
2,278 miles nonstop takes roughly 4h 56m gate to gate, flying east. 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
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, 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 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
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 STS from YCM?
The flight distance from Santa Rosa (STS) to Saint Catherines (YCM) 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 STS 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 Santa Rosa and Saint Catherines?
Saint Catherines is 3 hours ahead of Santa Rosa.
What is the cheapest way to fly from STS to YCM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–YCM that never appear on search engines, with no booking fees.