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LYM to ONT: distance & flight time
Lympne (Lympne Airport) → Ontario (Ontario International Airport)
5,476 mi
8,813 km · 4,759 nm
11h 12m
estimated nonstop flight time
-8h
time difference · heading northwest
See live LYM→ONT fares Phone-only fares on this route — call free
Flight time details
5,476 miles nonstop takes roughly 11h 12m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- LYM — Lympne Airport · Lympne, United Kingdom
- ONT — Ontario International 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 LYM
- LYX · Lydd Airport9 mi away
- LGW · London Gatwick Airport52 mi away
- MSE · Kent International Airport23 mi away
- LHR · London Heathrow Airport69 mi away
Near ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Frequently asked questions
How far is LYM from ONT?
The flight distance from Lympne (LYM) to Ontario (ONT) is 5,476 miles (8,813 km, 4,759 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LYM to ONT?
A nonstop flight takes about 11h 12m 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 Lympne and Ontario?
Ontario is 8 hours behind Lympne.
What is the cheapest way to fly from LYM to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LYM–ONT that never appear on search engines, with no booking fees.