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ONT to SBD: distance & flight time
Ontario (Ontario International Airport) → San Bernardino (San Bernardino International Airport)
21 mi
34 km · 18 nm
31m
estimated nonstop flight time
Same time
time difference · heading east
See live ONT→SBD fares Phone-only fares on this route — call free
Flight time details
21 miles nonstop takes roughly 31m 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
- ONT — Ontario International Airport · Ontario, United States
- SBD — San Bernardino International Airport · San Bernardino, 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 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 SBD
- RIV · March ARB Airport15 mi away
- RAL · Riverside Municipal Airport16 mi away
- ONT · Ontario International Airport21 mi away
- CNO · Chino Airport24 mi away
Frequently asked questions
How far is ONT from SBD?
The flight distance from Ontario (ONT) to San Bernardino (SBD) is 21 miles (34 km, 18 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to SBD?
A nonstop flight takes about 31m 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 ONT to SBD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–SBD that never appear on search engines, with no booking fees.