Need help booking?
Unpublished phone-only deals available
TUS to ONT: distance & flight time
Tucson (Tucson International Airport) → Ontario (Ontario International Airport)
408 mi
657 km · 355 nm
1h 21m
estimated nonstop flight time
Same time
time difference · heading west
See live TUS→ONT fares Phone-only fares on this route — call free
Flight time details
408 miles nonstop takes roughly 1h 21m gate to gate, flying west. 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
- TUS — Tucson International Airport · Tucson, 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 TUS
- DMA · Davis Monthan Air Force Base5 mi away
- AVW · Marana Regional Airport26 mi away
- MZJ · Pinal Airpark35 mi away
- OLS · Nogales International Airport49 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 TUS from ONT?
The flight distance from Tucson (TUS) to Ontario (ONT) is 408 miles (657 km, 355 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TUS to ONT?
A nonstop flight takes about 1h 21m 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 TUS to ONT?
Nonstop service on TUS–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 21m nonstop estimate.
What is the cheapest way to fly from TUS to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TUS–ONT that never appear on search engines, with no booking fees.
Why are some TUS to ONT fares phone-only?
Consolidator contracts let us sell certain TUS–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.