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ONO to HER: distance & flight time
Ontario (Ontario Municipal Airport) → Heraklion (Heraklion International Nikos Kazantzakis Airport)
6,462 mi
10,400 km · 5,615 nm
13h 8m
estimated nonstop flight time
+9h
time difference · heading northeast
See live ONO→HER fares Phone-only fares on this route — call free
Flight time details
6,462 miles nonstop takes roughly 13h 8m 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
- ONO — Ontario Municipal Airport · Ontario, United States
- HER — Heraklion International Nikos Kazantzakis Airport · Heraklion, Greece
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 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
Near HER
- JSH · Sitia Airport53 mi away
- CHQ · Chania International Airport60 mi away
- JTR · Santorini Airport75 mi away
- KSJ · Kasos Airport98 mi away
Frequently asked questions
How far is ONO from HER?
The flight distance from Ontario (ONO) to Heraklion (HER) is 6,462 miles (10,400 km, 5,615 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to HER?
A nonstop flight takes about 13h 8m 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 ONO to HER?
Nonstop service on ONO–HER 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 13h 8m nonstop estimate.
What is the time difference between Ontario and Heraklion?
Heraklion is 9 hours ahead of Ontario.
What is the cheapest way to fly from ONO to HER?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–HER that never appear on search engines, with no booking fees.
Why are some ONO to HER fares phone-only?
Consolidator contracts let us sell certain ONO–HER 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.