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HEW to ONO: distance & flight time
Athens (Athen Helenikon Airport) → Ontario (Ontario Municipal Airport)
6,268 mi
10,088 km · 5,447 nm
12h 45m
estimated nonstop flight time
-9h
time difference · heading northwest
See live HEW→ONO fares Phone-only fares on this route — call free
Flight time details
6,268 miles nonstop takes roughly 12h 45m 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
- HEW — Athen Helenikon Airport · Athens, Greece
- ONO — Ontario Municipal 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 HEW
- ATH · Eleftherios Venizelos International Airport12 mi away
- PKH · Porto Cheli Airport52 mi away
- JSY · Syros Airport74 mi away
- SKU · Skiros Airport85 mi away
Near ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Frequently asked questions
How far is HEW from ONO?
The flight distance from Athens (HEW) to Ontario (ONO) is 6,268 miles (10,088 km, 5,447 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEW to ONO?
A nonstop flight takes about 12h 45m 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 HEW to ONO?
Nonstop service on HEW–ONO 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 12h 45m nonstop estimate.
What is the time difference between Athens and Ontario?
Ontario is 9 hours behind Athens.
What is the cheapest way to fly from HEW to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEW–ONO that never appear on search engines, with no booking fees.
Why are some HEW to ONO fares phone-only?
Consolidator contracts let us sell certain HEW–ONO 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.