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PIE to ONT: distance & flight time
St. Petersburg (St Petersburg Clearwater International Airport) → Ontario (Ontario International Airport)
2,101 mi
3,381 km · 1,825 nm
4h 35m
estimated nonstop flight time
-3h
time difference · heading west
See live PIE→ONT fares Phone-only fares on this route — call free
Flight time details
2,101 miles nonstop takes roughly 4h 35m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- PIE — St Petersburg Clearwater International Airport · St. Petersburg, 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 PIE
- TPA · Tampa International Airport10 mi away
- CLW · Clearwater Air Park6 mi away
- SPG · Albert Whitted Airport11 mi away
- MCF · Mac Dill Air Force Base11 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 PIE from ONT?
The flight distance from St. Petersburg (PIE) to Ontario (ONT) is 2,101 miles (3,381 km, 1,825 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PIE to ONT?
A nonstop flight takes about 4h 35m 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 time difference between St. Petersburg and Ontario?
Ontario is 3 hours behind St. Petersburg.
What is the cheapest way to fly from PIE to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PIE–ONT that never appear on search engines, with no booking fees.