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YCM to GRB: distance & flight time
Saint Catherines (Niagara District Airport) → Green Bay (Austin Straubel International Airport)
455 mi
732 km · 395 nm
1h 27m
estimated nonstop flight time
-1h
time difference · heading west
See live YCM→GRB fares Phone-only fares on this route — call free
Flight time details
455 miles nonstop takes roughly 1h 27m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- YCM — Niagara District Airport · Saint Catherines, Canada
- GRB — Austin Straubel International Airport · Green Bay, 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 GRB
- ATW · Appleton International Airport25 mi away
- OSH · Wittman Regional Airport41 mi away
- MNM · Menominee Regional Airport50 mi away
- SBM · Sheboygan County Memorial Airport51 mi away
Frequently asked questions
How far is YCM from GRB?
The flight distance from Saint Catherines (YCM) to Green Bay (GRB) is 455 miles (732 km, 395 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YCM to GRB?
A nonstop flight takes about 1h 27m 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 Green Bay?
Green Bay is 1 hour behind Saint Catherines.
What is the cheapest way to fly from YCM to GRB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YCM–GRB that never appear on search engines, with no booking fees.