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ONT to LAF: distance & flight time
Ontario (Ontario International Airport) → Lafayette (Purdue University Airport)
1,734 mi
2,790 km · 1,506 nm
3h 52m
estimated nonstop flight time
+3h
time difference · heading northeast
See live ONT→LAF fares Phone-only fares on this route — call free
Flight time details
1,734 miles nonstop takes roughly 3h 52m 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
- LAF — Purdue University Airport · Lafayette, 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 LAF
- DNV · Vermilion Regional Airport38 mi away
- RNZ · Jasper County Airport39 mi away
- GUS · Grissom Air Reserve Base44 mi away
- OKK · Kokomo Municipal Airport47 mi away
Frequently asked questions
How far is ONT from LAF?
The flight distance from Ontario (ONT) to Lafayette (LAF) is 1,734 miles (2,790 km, 1,506 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to LAF?
A nonstop flight takes about 3h 52m 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 Lafayette?
Lafayette is 3 hours ahead of Ontario.
What is the cheapest way to fly from ONT to LAF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–LAF that never appear on search engines, with no booking fees.