Need help booking?
Unpublished phone-only deals available
JST to ONT: distance & flight time
Johnstown (John Murtha Johnstown Cambria County Airport) → Ontario (Ontario International Airport)
2,159 mi
3,475 km · 1,877 nm
4h 42m
estimated nonstop flight time
-3h
time difference · heading west
See live JST→ONT fares Phone-only fares on this route — call free
Flight time details
2,159 miles nonstop takes roughly 4h 42m 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
- JST — John Murtha Johnstown Cambria County Airport · Johnstown, 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 JST
- AOO · Altoona Blair County Airport27 mi away
- LBE · Arnold Palmer Regional Airport30 mi away
- CBE · Greater Cumberland Regional Airport49 mi away
- AGC · Allegheny County Airport58 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 JST from ONT?
The flight distance from Johnstown (JST) to Ontario (ONT) is 2,159 miles (3,475 km, 1,877 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from JST to ONT?
A nonstop flight takes about 4h 42m 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 Johnstown and Ontario?
Ontario is 3 hours behind Johnstown.
What is the cheapest way to fly from JST to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on JST–ONT that never appear on search engines, with no booking fees.