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ONT to FMM: distance & flight time
Ontario (Ontario International Airport) → Memmingen (Memmingen Allgau Airport)
5,918 mi
9,523 km · 5,142 nm
12h 4m
estimated nonstop flight time
+9h
time difference · heading northeast
See live ONT→FMM fares Phone-only fares on this route — call free
Flight time details
5,918 miles nonstop takes roughly 12h 4m 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
- FMM — Memmingen Allgau Airport · Memmingen, Germany
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 FMM
- FDH · Friedrichshafen Airport40 mi away
- AGB · Augsburg Airport44 mi away
- ACH · St Gallen Altenrhein Airport47 mi away
- OBF · Oberpfaffenhofen Airport49 mi away
Frequently asked questions
How far is ONT from FMM?
The flight distance from Ontario (ONT) to Memmingen (FMM) is 5,918 miles (9,523 km, 5,142 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to FMM?
A nonstop flight takes about 12h 4m 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 FMM?
Nonstop service on ONT–FMM 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 12h 4m nonstop estimate.
What is the time difference between Ontario and Memmingen?
Memmingen is 9 hours ahead of Ontario.
What is the cheapest way to fly from ONT to FMM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–FMM that never appear on search engines, with no booking fees.
Why are some ONT to FMM fares phone-only?
Consolidator contracts let us sell certain ONT–FMM 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.