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CBM to ONT: distance & flight time
Colombus (Columbus Air Force Base) → Ontario (Ontario International Airport)
1,668 mi
2,684 km · 1,449 nm
3h 44m
estimated nonstop flight time
-2h
time difference · heading west
See live CBM→ONT fares Phone-only fares on this route — call free
Flight time details
1,668 miles nonstop takes roughly 3h 44m gate to gate, flying west. 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
- CBM — Columbus Air Force Base · Colombus, United States
- 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 CBM
- GTR · Golden Triangle Regional Airport16 mi away
- TUP · Tupelo Regional Airport47 mi away
- TCL · Tuscaloosa Regional Airport56 mi away
- UOX · University Oxford Airport81 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 CBM from ONT?
The flight distance from Colombus (CBM) to Ontario (ONT) is 1,668 miles (2,684 km, 1,449 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CBM to ONT?
A nonstop flight takes about 3h 44m 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 Colombus and Ontario?
Ontario is 2 hours behind Colombus.
What is the cheapest way to fly from CBM to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CBM–ONT that never appear on search engines, with no booking fees.