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LHR to CMI: distance & flight time
London (London Heathrow Airport) → Champaign (University of Illinois Willard Airport)
4,047 mi
6,513 km · 3,517 nm
8h 24m
estimated nonstop flight time
-6h
time difference · heading northwest
See live LHR→CMI fares Phone-only fares on this route — call free
Flight time details
4,047 miles nonstop takes roughly 8h 24m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- LHR — London Heathrow Airport · London, United Kingdom
- CMI — University of Illinois Willard Airport · Champaign, 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 LHR
- LGW · London Gatwick Airport25 mi away
- NHT · RAF Northolt6 mi away
- HYC · Wycombe Air Park18 mi away
- FAB · Farnborough Airport19 mi away
Near CMI
Frequently asked questions
How far is LHR from CMI?
The flight distance from London (LHR) to Champaign (CMI) is 4,047 miles (6,513 km, 3,517 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LHR to CMI?
A nonstop flight takes about 8h 24m 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 London and Champaign?
Champaign is 6 hours behind London.
What is the cheapest way to fly from LHR to CMI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LHR–CMI that never appear on search engines, with no booking fees.