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LEN to ONT: distance & flight time
Leon (Leon Airport) → Ontario (Ontario International Airport)
5,618 mi
9,042 km · 4,882 nm
11h 29m
estimated nonstop flight time
-9h
time difference · heading northwest
See live LEN→ONT fares Phone-only fares on this route — call free
Flight time details
5,618 miles nonstop takes roughly 11h 29m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- LEN — Leon Airport · Leon, Spain
- 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 LEN
- OVD · Asturias Airport70 mi away
- VLL · Valladolid Airport74 mi away
- BGC · Bragança Airport74 mi away
- RGS · Burgos Airport105 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 LEN from ONT?
The flight distance from Leon (LEN) to Ontario (ONT) is 5,618 miles (9,042 km, 4,882 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LEN to ONT?
A nonstop flight takes about 11h 29m 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 Leon and Ontario?
Ontario is 9 hours behind Leon.
What is the cheapest way to fly from LEN to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LEN–ONT that never appear on search engines, with no booking fees.