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KEM to ONT: distance & flight time
Kemi (Kemi-Tornio Airport) → Ontario (Ontario International Airport)
5,250 mi
8,449 km · 4,562 nm
10h 46m
estimated nonstop flight time
-10h
time difference · heading northwest
See live KEM→ONT fares Phone-only fares on this route — call free
Flight time details
5,250 miles nonstop takes roughly 10h 46m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time set-back when reading arrival times on your ticket.
The two airports
- KEM — Kemi-Tornio Airport · Kemi, Finland
- 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 KEM
- OUL · Oulu Airport63 mi away
- RVN · Rovaniemi Airport65 mi away
- LLA · Luleå Airport72 mi away
- PJA · Pajala Airport110 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 KEM from ONT?
The flight distance from Kemi (KEM) to Ontario (ONT) is 5,250 miles (8,449 km, 4,562 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KEM to ONT?
A nonstop flight takes about 10h 46m 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 Kemi and Ontario?
Ontario is 10 hours behind Kemi.
What is the cheapest way to fly from KEM to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KEM–ONT that never appear on search engines, with no booking fees.