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LMT to ONT: distance & flight time
Klamath Falls (Crater Lake-Klamath Regional Airport) → Ontario (Ontario International Airport)
603 mi
970 km · 524 nm
1h 47m
estimated nonstop flight time
Same time
time difference · heading southeast
See live LMT→ONT fares Phone-only fares on this route — call free
Flight time details
603 miles nonstop takes roughly 1h 47m gate to gate, flying southeast. 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
- LMT — Crater Lake-Klamath Regional Airport · Klamath Falls, 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 LMT
- MFR · Rogue Valley International Medford Airport60 mi away
- LKV · Lake County Airport68 mi away
- RDD · Redding Municipal Airport117 mi away
- CEC · Jack Mc Namara Field Airport131 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 LMT from ONT?
The flight distance from Klamath Falls (LMT) to Ontario (ONT) is 603 miles (970 km, 524 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LMT to ONT?
A nonstop flight takes about 1h 47m 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 cheapest way to fly from LMT to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LMT–ONT that never appear on search engines, with no booking fees.