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SMO to ONT: distance & flight time
Santa Monica (Santa Monica Municipal Airport) → Ontario (Ontario International Airport)
49 mi
78 km · 42 nm
36m
estimated nonstop flight time
Same time
time difference · heading east
See live SMO→ONT fares Phone-only fares on this route — call free
Flight time details
49 miles nonstop takes roughly 36m gate to gate, flying east. 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
- SMO — Santa Monica Municipal Airport · Santa Monica, 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 SMO
- LAX · Los Angeles International Airport6 mi away
- HHR · Jack Northrop Field Hawthorne Municipal Airport9 mi away
- BUR · Bob Hope Airport14 mi away
- VNY · Van Nuys Airport14 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 SMO from ONT?
The flight distance from Santa Monica (SMO) to Ontario (ONT) is 49 miles (78 km, 42 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SMO to ONT?
A nonstop flight takes about 36m 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 SMO to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SMO–ONT that never appear on search engines, with no booking fees.