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ISJ to ONT: distance & flight time
Isla Mujeres (Isla Mujeres Airport) → Ontario (Ontario International Airport)
2,075 mi
3,339 km · 1,803 nm
4h 32m
estimated nonstop flight time
-2h
time difference · heading northwest
See live ISJ→ONT fares Phone-only fares on this route — call free
Flight time details
2,075 miles nonstop takes roughly 4h 32m gate to gate, flying northwest. 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
- ISJ — Isla Mujeres Airport · Isla Mujeres, 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 ISJ
- CUN · Cancún International Airport17 mi away
- CZM · Cozumel International Airport51 mi away
- CZA · Chichen Itza International Airport118 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 ISJ from ONT?
The flight distance from Isla Mujeres (ISJ) to Ontario (ONT) is 2,075 miles (3,339 km, 1,803 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISJ to ONT?
A nonstop flight takes about 4h 32m 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 Isla Mujeres and Ontario?
Ontario is 2 hours behind Isla Mujeres.
What is the cheapest way to fly from ISJ to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISJ–ONT that never appear on search engines, with no booking fees.