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ONT to GPA: distance & flight time
Ontario (Ontario International Airport) → Patras (Araxos Airport)
6,798 mi
10,941 km · 5,908 nm
13h 48m
estimated nonstop flight time
+10h
time difference · heading northeast
See live ONT→GPA fares Phone-only fares on this route — call free
Flight time details
6,798 miles nonstop takes roughly 13h 48m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- GPA — Araxos Airport · Patras, 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 GPA
- PYR · Andravida Air Base17 mi away
- AGQ · Agrinion Air Base31 mi away
- ZTH · Zakynthos International Airport "Dionysios Solomos"40 mi away
- EFL · Kefallinia Airport50 mi away
Frequently asked questions
How far is ONT from GPA?
The flight distance from Ontario (ONT) to Patras (GPA) is 6,798 miles (10,941 km, 5,908 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to GPA?
A nonstop flight takes about 13h 48m 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 Patras?
Patras is 10 hours ahead of Ontario.
What is the cheapest way to fly from ONT to GPA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–GPA that never appear on search engines, with no booking fees.