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YSB to ONT: distance & flight time
Sudbury (Sudbury Airport) → Ontario (Ontario International Airport)
2,099 mi
3,379 km · 1,824 nm
4h 35m
estimated nonstop flight time
-3h
time difference · heading west
See live YSB→ONT fares Phone-only fares on this route — call free
Flight time details
2,099 miles nonstop takes roughly 4h 35m 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
- YSB — Sudbury Airport · Sudbury, Canada
- 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 YSB
- YYB · North Bay Jack Garland Airport68 mi away
- YEM · Manitoulin East Municipal Airport74 mi away
- YEL · Elliot Lake Municipal Airport86 mi away
- YXR · Earlton (Timiskaming 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 YSB from ONT?
The flight distance from Sudbury (YSB) to Ontario (ONT) is 2,099 miles (3,379 km, 1,824 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSB to ONT?
A nonstop flight takes about 4h 35m 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 Sudbury and Ontario?
Ontario is 3 hours behind Sudbury.
What is the cheapest way to fly from YSB to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSB–ONT that never appear on search engines, with no booking fees.