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MMH to ONT: distance & flight time
Mammoth Lakes (Mammoth Yosemite Airport) → Ontario (Ontario International Airport)
256 mi
412 km · 223 nm
1h 8m
estimated nonstop flight time
Same time
time difference · heading south
See live MMH→ONT fares Phone-only fares on this route — call free
Flight time details
256 miles nonstop takes roughly 1h 8m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- MMH — Mammoth Yosemite Airport · Mammoth Lakes, United States
- 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 MMH
- BIH · Eastern Sierra Regional Airport31 mi away
- RMY · Mariposa Yosemite Airport66 mi away
- FAT · Fresno Yosemite International Airport76 mi away
- MAE · Madera Municipal Airport83 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 MMH from ONT?
The flight distance from Mammoth Lakes (MMH) to Ontario (ONT) is 256 miles (412 km, 223 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MMH to ONT?
A nonstop flight takes about 1h 8m 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 MMH to ONT?
Nonstop service on MMH–ONT 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 1h 8m nonstop estimate.
What is the cheapest way to fly from MMH to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MMH–ONT that never appear on search engines, with no booking fees.
Why are some MMH to ONT fares phone-only?
Consolidator contracts let us sell certain MMH–ONT 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.