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CLW to ONT: distance & flight time
Clearwater (Clearwater Air Park) → Ontario (Ontario International Airport)
2,095 mi
3,372 km · 1,821 nm
4h 34m
estimated nonstop flight time
-3h
time difference · heading west
See live CLW→ONT fares Phone-only fares on this route — call free
Flight time details
2,095 miles nonstop takes roughly 4h 34m 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
- CLW — Clearwater Air Park · Clearwater, 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 CLW
- TPA · Tampa International Airport14 mi away
- PIE · St Petersburg Clearwater International Airport6 mi away
- SPG · Albert Whitted Airport17 mi away
- MCF · Mac Dill Air Force Base17 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 CLW from ONT?
The flight distance from Clearwater (CLW) to Ontario (ONT) is 2,095 miles (3,372 km, 1,821 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CLW to ONT?
A nonstop flight takes about 4h 34m 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 Clearwater and Ontario?
Ontario is 3 hours behind Clearwater.
What is the cheapest way to fly from CLW to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CLW–ONT that never appear on search engines, with no booking fees.