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CZM to ONT: distance & flight time
Cozumel (Cozumel International Airport) → Ontario (Ontario International Airport)
2,091 mi
3,366 km · 1,817 nm
4h 34m
estimated nonstop flight time
-2h
time difference · heading northwest
See live CZM→ONT fares Phone-only fares on this route — call free
Flight time details
2,091 miles nonstop takes roughly 4h 34m 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
- CZM — Cozumel International Airport · Cozumel, 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 CZM
- CUN · Cancún International Airport36 mi away
- ISJ · Isla Mujeres Airport51 mi away
- CZA · Chichen Itza International Airport99 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 CZM from ONT?
The flight distance from Cozumel (CZM) to Ontario (ONT) is 2,091 miles (3,366 km, 1,817 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CZM to ONT?
A nonstop flight takes about 4h 34m 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 Cozumel and Ontario?
Ontario is 2 hours behind Cozumel.
What is the cheapest way to fly from CZM to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CZM–ONT that never appear on search engines, with no booking fees.