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LHR to ONO: distance & flight time
London (London Heathrow Airport) → Ontario (Ontario Municipal Airport)
4,831 mi
7,774 km · 4,198 nm
9h 56m
estimated nonstop flight time
-7h
time difference · heading northwest
See live LHR→ONO fares Phone-only fares on this route — call free
Flight time details
4,831 miles nonstop takes roughly 9h 56m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- LHR — London Heathrow Airport · London, United Kingdom
- ONO — Ontario Municipal Airport · Ontario, 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Frequently asked questions
How far is LHR from ONO?
The flight distance from London (LHR) to Ontario (ONO) is 4,831 miles (7,774 km, 4,198 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LHR to ONO?
A nonstop flight takes about 9h 56m 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 Ontario?
Ontario is 7 hours behind London.
What is the cheapest way to fly from LHR to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LHR–ONO that never appear on search engines, with no booking fees.