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INT to ONT: distance & flight time
Winston-salem (Smith Reynolds Airport) → Ontario (Ontario International Airport)
2,105 mi
3,388 km · 1,829 nm
4h 36m
estimated nonstop flight time
-3h
time difference · heading west
See live INT→ONT fares Phone-only fares on this route — call free
Flight time details
2,105 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
- INT — Smith Reynolds Airport · Winston-salem, 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 INT
- GSO · Piedmont Triad International Airport16 mi away
- CLT · Charlotte Douglas International Airport75 mi away
- SVH · Statesville Regional Airport48 mi away
- IKB · Wilkes County Airport49 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 INT from ONT?
The flight distance from Winston-salem (INT) to Ontario (ONT) is 2,105 miles (3,388 km, 1,829 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INT 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 Winston-salem and Ontario?
Ontario is 3 hours behind Winston-salem.
What is the cheapest way to fly from INT to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INT–ONT that never appear on search engines, with no booking fees.