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GRM to IAG: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Niagara Falls (Niagara Falls International Airport)
642 mi
1,034 km · 558 nm
1h 52m
estimated nonstop flight time
+1h
time difference · heading southeast
See live GRM→IAG fares Phone-only fares on this route — call free
Flight time details
642 miles nonstop takes roughly 1h 52m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- GRM — Grand Marais Cook County Airport · Grand Marais, United States
- IAG — Niagara Falls International Airport · Niagara Falls, 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 GRM
- YQT · Thunder Bay Airport61 mi away
- LYU · Ely Municipal Airport67 mi away
- YIB · Atikokan Municipal Airport87 mi away
- CMX · Houghton County Memorial Airport100 mi away
Near IAG
- YYZ · Lester B. Pearson International Airport52 mi away
- YCM · Niagara District Airport13 mi away
- BUF · Buffalo Niagara International Airport16 mi away
- DU9 · Dunnville Airport37 mi away
Frequently asked questions
How far is GRM from IAG?
The flight distance from Grand Marais (GRM) to Niagara Falls (IAG) is 642 miles (1,034 km, 558 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to IAG?
A nonstop flight takes about 1h 52m 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 Grand Marais and Niagara Falls?
Niagara Falls is 1 hour ahead of Grand Marais.
What is the cheapest way to fly from GRM to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–IAG that never appear on search engines, with no booking fees.