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OBS to ONT: distance & flight time
Aubenas-vals-lanas (Aubenas-Ardèche Méridional Airport) → Ontario (Ontario International Airport)
5,901 mi
9,496 km · 5,128 nm
12h 2m
estimated nonstop flight time
-9h
time difference · heading northwest
See live OBS→ONT fares Phone-only fares on this route — call free
Flight time details
5,901 miles nonstop takes roughly 12h 2m 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
- OBS — Aubenas-Ardèche Méridional Airport · Aubenas-vals-lanas, France
- 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 OBS
- XOG · Orange-Caritat (BA 115) Air Base37 mi away
- VAF · Valence-Chabeuil Airport39 mi away
- MEN · Mende-Brenoux Airfield41 mi away
- LPY · Le Puy-Loudes Airport48 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 OBS from ONT?
The flight distance from Aubenas-vals-lanas (OBS) to Ontario (ONT) is 5,901 miles (9,496 km, 5,128 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OBS to ONT?
A nonstop flight takes about 12h 2m 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 Aubenas-vals-lanas and Ontario?
Ontario is 9 hours behind Aubenas-vals-lanas.
What is the cheapest way to fly from OBS to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OBS–ONT that never appear on search engines, with no booking fees.