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FRA to ONT: distance & flight time
Frankfurt (Frankfurt am Main Airport) → Ontario (Ontario International Airport)
5,762 mi
9,273 km · 5,007 nm
11h 46m
estimated nonstop flight time
-9h
time difference · heading northwest
See live FRA→ONT fares Phone-only fares on this route — call free
Flight time details
5,762 miles nonstop takes roughly 11h 46m 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
- FRA — Frankfurt am Main Airport · Frankfurt, Germany
- ONT — Ontario International 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 FRA
- QEF · Frankfurt-Egelsbach Airport6 mi away
- WIE · Wiesbaden Army Airfield11 mi away
- ZNF · Hanau Army Air Field20 mi away
- MHG · Mannheim-City Airport39 mi away
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
Frequently asked questions
How far is FRA from ONT?
The flight distance from Frankfurt (FRA) to Ontario (ONT) is 5,762 miles (9,273 km, 5,007 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FRA to ONT?
A nonstop flight takes about 11h 46m 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 Frankfurt and Ontario?
Ontario is 9 hours behind Frankfurt.
What is the cheapest way to fly from FRA to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FRA–ONT that never appear on search engines, with no booking fees.