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CMI to GSP: distance & flight time
Champaign (University of Illinois Willard Airport) → Greenville (Greenville Spartanburg International Airport)
486 mi
783 km · 423 nm
1h 31m
estimated nonstop flight time
+1h
time difference · heading southeast
See live CMI→GSP fares Phone-only fares on this route — call free
Flight time details
486 miles nonstop takes roughly 1h 31m 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
- CMI — University of Illinois Willard Airport · Champaign, United States
- GSP — Greenville Spartanburg International Airport · Greenville, 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 GSP
- GMU · Greenville Downtown Airport8 mi away
- GDC · Donaldson Field Airport13 mi away
- SPA · Spartanburg Downtown Memorial Airport15 mi away
- CLT · Charlotte Douglas International Airport75 mi away
Frequently asked questions
How far is CMI from GSP?
The flight distance from Champaign (CMI) to Greenville (GSP) is 486 miles (783 km, 423 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMI to GSP?
A nonstop flight takes about 1h 31m 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 Greenville?
Greenville is 1 hour ahead of Champaign.
What is the cheapest way to fly from CMI to GSP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMI–GSP that never appear on search engines, with no booking fees.