Need help booking?
Unpublished phone-only deals available
ONT to JMS: distance & flight time
Ontario (Ontario International Airport) → Jamestown (Jamestown Regional Airport)
1,328 mi
2,137 km · 1,154 nm
3h 21m
estimated nonstop flight time
+2h
time difference · heading northeast
See live ONT→JMS fares Phone-only fares on this route — call free
Flight time details
1,328 miles nonstop takes roughly 3h 21m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- JMS — Jamestown Regional Airport · Jamestown, 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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Near JMS
- DVL · Devils Lake Regional Airport83 mi away
- FAR · Hector International Airport88 mi away
- RDR · Grand Forks Air Force Base93 mi away
- BIS · Bismarck Municipal Airport98 mi away
Frequently asked questions
How far is ONT from JMS?
The flight distance from Ontario (ONT) to Jamestown (JMS) is 1,328 miles (2,137 km, 1,154 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to JMS?
A nonstop flight takes about 3h 21m 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 Ontario and Jamestown?
Jamestown is 2 hours ahead of Ontario.
What is the cheapest way to fly from ONT to JMS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–JMS that never appear on search engines, with no booking fees.