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LOT to ONT: distance & flight time
Lockport (Lewis University Airport) → Ontario (Ontario International Airport)
1,683 mi
2,708 km · 1,462 nm
3h 46m
estimated nonstop flight time
-2h
time difference · heading west
See live LOT→ONT fares Phone-only fares on this route — call free
Flight time details
1,683 miles nonstop takes roughly 3h 46m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- LOT — Lewis University Airport · Lockport, United States
- 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 LOT
- ORD · Chicago O'Hare International Airport27 mi away
- JOT · Joliet Regional Airport7 mi away
- DPA · Dupage Airport22 mi away
- MDW · Chicago Midway International Airport22 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 LOT from ONT?
The flight distance from Lockport (LOT) to Ontario (ONT) is 1,683 miles (2,708 km, 1,462 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LOT to ONT?
A nonstop flight takes about 3h 46m 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 Lockport and Ontario?
Ontario is 2 hours behind Lockport.
What is the cheapest way to fly from LOT to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LOT–ONT that never appear on search engines, with no booking fees.