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IWS to ONT: distance & flight time
Houston (West Houston Airport) → Ontario (Ontario International Airport)
1,316 mi
2,118 km · 1,143 nm
3h 20m
estimated nonstop flight time
-2h
time difference · heading west
See live IWS→ONT fares Phone-only fares on this route — call free
Flight time details
1,316 miles nonstop takes roughly 3h 20m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- IWS — West Houston Airport · Houston, 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 IWS
- IAH · George Bush Intercontinental Houston Airport23 mi away
- AAP · Andrau Airpark8 mi away
- SGR · Sugar Land Regional Airport14 mi away
- DWH · David Wayne Hooks Memorial Airport18 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 IWS from ONT?
The flight distance from Houston (IWS) to Ontario (ONT) is 1,316 miles (2,118 km, 1,143 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IWS to ONT?
A nonstop flight takes about 3h 20m 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 Houston and Ontario?
Ontario is 2 hours behind Houston.
What is the cheapest way to fly from IWS to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IWS–ONT that never appear on search engines, with no booking fees.