Need help booking?
Unpublished phone-only deals available
YHM to ONT: distance & flight time
Hamilton (John C. Munro Hamilton International Airport) → Ontario (Ontario International Airport)
2,109 mi
3,394 km · 1,833 nm
4h 36m
estimated nonstop flight time
-3h
time difference · heading west
See live YHM→ONT fares Phone-only fares on this route — call free
Flight time details
2,109 miles nonstop takes roughly 4h 36m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- YHM — John C. Munro Hamilton International Airport · Hamilton, Canada
- 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 YHM
- YYZ · Lester B. Pearson International Airport38 mi away
- DU9 · Dunnville Airport27 mi away
- YKF · Waterloo Airport30 mi away
- YCM · Niagara District Airport38 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 YHM from ONT?
The flight distance from Hamilton (YHM) to Ontario (ONT) is 2,109 miles (3,394 km, 1,833 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YHM to ONT?
A nonstop flight takes about 4h 36m 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 Hamilton and Ontario?
Ontario is 3 hours behind Hamilton.
What is the cheapest way to fly from YHM to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YHM–ONT that never appear on search engines, with no booking fees.