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CMI to IAG: distance & flight time
Champaign (University of Illinois Willard Airport) → Niagara Falls (Niagara Falls International Airport)
526 mi
847 km · 458 nm
1h 37m
estimated nonstop flight time
+1h
time difference · heading northeast
See live CMI→IAG fares Phone-only fares on this route — call free
Flight time details
526 miles nonstop takes roughly 1h 37m gate to gate, flying northeast. 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
- CMI — University of Illinois Willard Airport · Champaign, 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 CMI
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 CMI from IAG?
The flight distance from Champaign (CMI) to Niagara Falls (IAG) is 526 miles (847 km, 458 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMI to IAG?
A nonstop flight takes about 1h 37m 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 Champaign and Niagara Falls?
Niagara Falls is 1 hour ahead of Champaign.
What is the cheapest way to fly from CMI to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMI–IAG that never appear on search engines, with no booking fees.