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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–SLP that never appear on search engines, with no booking fees.