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OSL to ONT: distance & flight time
Oslo (Oslo Lufthavn) → Ontario (Ontario International Airport)
5,309 mi
8,543 km · 4,613 nm
10h 53m
estimated nonstop flight time
-9h
time difference · heading northwest
See live OSL→ONT fares Phone-only fares on this route — call free
Flight time details
5,309 miles nonstop takes roughly 10h 53m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- OSL — Oslo Lufthavn · Oslo, Norway
- 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 OSL
- FBU · Oslo, Fornebu Airport22 mi away
- HMR · Stafsberg Airport48 mi away
- RYG · Moss Airport, Rygge52 mi away
- TYF · Torsby Airport67 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 OSL from ONT?
The flight distance from Oslo (OSL) to Ontario (ONT) is 5,309 miles (8,543 km, 4,613 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSL to ONT?
A nonstop flight takes about 10h 53m 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 Oslo and Ontario?
Ontario is 9 hours behind Oslo.
What is the cheapest way to fly from OSL to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSL–ONT that never appear on search engines, with no booking fees.