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ONT to LEB: distance & flight time
Ontario (Ontario International Airport) → Lebanon (Lebanon Municipal Airport)
2,493 mi
4,012 km · 2,166 nm
5h 21m
estimated nonstop flight time
+3h
time difference · heading northeast
See live ONT→LEB fares Phone-only fares on this route — call free
Flight time details
2,493 miles nonstop takes roughly 5h 21m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- LEB — Lebanon Municipal Airport · Lebanon, 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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Near LEB
- RUT · Rutland - Southern Vermont Regional Airport33 mi away
- MPV · Edward F Knapp State Airport42 mi away
- CON · Concord Municipal Airport50 mi away
- EEN · Dillant Hopkins Airport50 mi away
Frequently asked questions
How far is ONT from LEB?
The flight distance from Ontario (ONT) to Lebanon (LEB) is 2,493 miles (4,012 km, 2,166 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to LEB?
A nonstop flight takes about 5h 21m 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 Ontario and Lebanon?
Lebanon is 3 hours ahead of Ontario.
What is the cheapest way to fly from ONT to LEB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–LEB that never appear on search engines, with no booking fees.