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CMI to ROC: distance & flight time
Champaign (University of Illinois Willard Airport) → Rochester (Greater Rochester International Airport)
587 mi
945 km · 511 nm
1h 45m
estimated nonstop flight time
+1h
time difference · heading northeast
See live CMI→ROC fares Phone-only fares on this route — call free
Flight time details
587 miles nonstop takes roughly 1h 45m 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
- ROC — Greater Rochester International Airport · Rochester, 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 ROC
- BUF · Buffalo Niagara International Airport55 mi away
- IAG · Niagara Falls International Airport64 mi away
- YYZ · Lester B. Pearson International Airport106 mi away
- YTR · CFB Trenton69 mi away
Frequently asked questions
How far is CMI from ROC?
The flight distance from Champaign (CMI) to Rochester (ROC) is 587 miles (945 km, 511 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMI to ROC?
A nonstop flight takes about 1h 45m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from CMI to ROC?
Nonstop service on CMI–ROC depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 45m nonstop estimate.
What is the time difference between Champaign and Rochester?
Rochester is 1 hour ahead of Champaign.
What is the cheapest way to fly from CMI to ROC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMI–ROC that never appear on search engines, with no booking fees.
Why are some CMI to ROC fares phone-only?
Consolidator contracts let us sell certain CMI–ROC tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.