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ONT to FBU: distance & flight time
Ontario (Ontario International Airport) → Oslo (Oslo, Fornebu Airport)
5,310 mi
8,546 km · 4,615 nm
10h 53m
estimated nonstop flight time
+9h
time difference · heading northeast
See live ONT→FBU fares Phone-only fares on this route — call free
Flight time details
5,310 miles nonstop takes roughly 10h 53m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- FBU — Oslo, Fornebu Airport · Oslo, Norway
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 FBU
- OSL · Oslo Lufthavn22 mi away
- RYG · Moss Airport, Rygge36 mi away
- TRF · Sandefjord Airport, Torp51 mi away
- NTB · Notodden Airport54 mi away
Frequently asked questions
How far is ONT from FBU?
The flight distance from Ontario (ONT) to Oslo (FBU) is 5,310 miles (8,546 km, 4,615 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to FBU?
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.
Are there nonstop flights from ONT to FBU?
Nonstop service on ONT–FBU depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 10h 53m nonstop estimate.
What is the time difference between Ontario and Oslo?
Oslo is 9 hours ahead of Ontario.
What is the cheapest way to fly from ONT to FBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–FBU that never appear on search engines, with no booking fees.
Why are some ONT to FBU fares phone-only?
Consolidator contracts let us sell certain ONT–FBU tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.