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ONT to FLZ: distance & flight time
Ontario (Ontario International Airport) → Sibolga (Dr Ferdinand Lumban Tobing Airport)
9,023 mi
14,521 km · 7,841 nm
18h 10m
estimated nonstop flight time
+14h
time difference · heading northwest
See live ONT→FLZ fares Phone-only fares on this route — call free
Flight time details
9,023 miles nonstop takes roughly 18h 10m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- FLZ — Dr Ferdinand Lumban Tobing Airport · Sibolga, Indonesia
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 FLZ
- AEG · Aek Godang Airport39 mi away
- DTB · Silangit Airport49 mi away
- GNS · Binaka Airport86 mi away
- PPR · Pasir Pangaraan Airport113 mi away
Frequently asked questions
How far is ONT from FLZ?
The flight distance from Ontario (ONT) to Sibolga (FLZ) is 9,023 miles (14,521 km, 7,841 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to FLZ?
A nonstop flight takes about 18h 10m 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 Ontario and Sibolga?
Sibolga is 14 hours ahead of Ontario.
What is the cheapest way to fly from ONT to FLZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–FLZ that never appear on search engines, with no booking fees.