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ONT to LRS: distance & flight time
Ontario (Ontario International Airport) → Leros (Leros Airport)
7,008 mi
11,279 km · 6,090 nm
14h 13m
estimated nonstop flight time
+9h
time difference · heading northeast
See live ONT→LRS fares Phone-only fares on this route — call free
Flight time details
7,008 miles nonstop takes roughly 14h 13m 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
- LRS — Leros Airport · Leros, 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 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 LRS
- JKL · Kalymnos Airport17 mi away
- KGS · Kos Airport31 mi away
- SMI · Samos Airport35 mi away
- JIK · Ikaria Airport42 mi away
Frequently asked questions
How far is ONT from LRS?
The flight distance from Ontario (ONT) to Leros (LRS) is 7,008 miles (11,279 km, 6,090 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to LRS?
A nonstop flight takes about 14h 13m 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 LRS?
Nonstop service on ONT–LRS 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 14h 13m nonstop estimate.
What is the time difference between Ontario and Leros?
Leros is 9 hours ahead of Ontario.
What is the cheapest way to fly from ONT to LRS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–LRS that never appear on search engines, with no booking fees.
Why are some ONT to LRS fares phone-only?
Consolidator contracts let us sell certain ONT–LRS 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.