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ONT to AHN: distance & flight time
Ontario (Ontario International Airport) → Athens (Athens Ben Epps Airport)
1,954 mi
3,144 km · 1,698 nm
4h 18m
estimated nonstop flight time
+3h
time difference · heading east
See live ONT→AHN fares Phone-only fares on this route — call free
Flight time details
1,954 miles nonstop takes roughly 4h 18m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- AHN — Athens Ben Epps Airport · Athens, 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 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 AHN
- WDR · Barrow County Airport20 mi away
- ATL · Hartsfield Jackson Atlanta International Airport67 mi away
- GVL · Lee Gilmer Memorial Airport36 mi away
- LZU · Gwinnett County Briscoe Field37 mi away
Frequently asked questions
How far is ONT from AHN?
The flight distance from Ontario (ONT) to Athens (AHN) is 1,954 miles (3,144 km, 1,698 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to AHN?
A nonstop flight takes about 4h 18m 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 Athens?
Athens is 3 hours ahead of Ontario.
What is the cheapest way to fly from ONT to AHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–AHN that never appear on search engines, with no booking fees.