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SLP to ONT: distance & flight time
San Luis Potosi (Ponciano Arriaga International Airport) → Ontario (Ontario International Airport)
1,299 mi
2,091 km · 1,129 nm
3h 17m
estimated nonstop flight time
-1h
time difference · heading northwest
See live SLP→ONT fares Phone-only fares on this route — call free
Flight time details
1,299 miles nonstop takes roughly 3h 17m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SLP — Ponciano Arriaga International Airport · San Luis Potosi, Mexico
- 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 SLP
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 SLP from ONT?
The flight distance from San Luis Potosi (SLP) to Ontario (ONT) is 1,299 miles (2,091 km, 1,129 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLP to ONT?
A nonstop flight takes about 3h 17m 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 San Luis Potosi and Ontario?
Ontario is 1 hour behind San Luis Potosi.
What is the cheapest way to fly from SLP to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLP–ONT that never appear on search engines, with no booking fees.