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GJT to ONT: distance & flight time
Grand Junction (Grand Junction Regional Airport) → Ontario (Ontario International Airport)
613 mi
986 km · 532 nm
1h 48m
estimated nonstop flight time
-1h
time difference · heading southwest
See live GJT→ONT fares Phone-only fares on this route — call free
Flight time details
613 miles nonstop takes roughly 1h 48m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- GJT — Grand Junction Regional Airport · Grand Junction, 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 GJT
- RIL · Garfield County Regional Airport51 mi away
- MTJ · Montrose Regional Airport54 mi away
- CNY · Canyonlands Field71 mi away
- TEX · Telluride Regional Airport87 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 GJT from ONT?
The flight distance from Grand Junction (GJT) to Ontario (ONT) is 613 miles (986 km, 532 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GJT to ONT?
A nonstop flight takes about 1h 48m 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 Grand Junction and Ontario?
Ontario is 1 hour behind Grand Junction.
What is the cheapest way to fly from GJT to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GJT–ONT that never appear on search engines, with no booking fees.