Question 1

How long is the flight from Ontario to Houston?

Accepted Answer

The flight from Ontario International Airport (ONT) to George Bush Intercontinental Airport (IAH) covers 2,142 km and takes approximately 2h 53m. Actual duration varies by airline, routing, and wind conditions — check individual flight listings for scheduled times.

Question 2

Which airlines fly from Ontario to Houston?

Accepted Answer

There is 1 airline operating the ONT–IAH route. Use the TrackMyWings app to compare schedules, prices, and on-time performance across all carriers on this route.

Question 3

What is the best airline from Ontario to Houston?

Accepted Answer

The best airline on the ONT–IAH route depends on your priorities — price, on-time performance, cabin experience, or loyalty miles. TrackMyWings tracks real-time on-time data for all 1 carrier on this route so you can make an informed choice.

Question 4

How often do flights operate from Ontario to Houston?

Accepted Answer

The ONT–IAH route is served by 1 airline, with combined daily frequency varying by season. Check the TrackMyWings schedule view for live departure listings and to find the next available flight from Ontario to Houston.

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Ontario (ONT) to Houston (IAH) Flights

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