Houston to Ontario flights

Routavio compares airline fares from several flight booking sites. Search Houston to Ontario to see the lowest price before you book.

Find your dates. Discover your next journey.

Lowest fare seen

€70Seen on 11 Sep 2026

Last checked

29 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €75

10 Nov 2026

1 stop · One way

Cheapest observed day · Last checked: 11 Sep 2026

When to fly

Explore dates

More dates worth a look

Find the dates that work for you

The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

One-way fare

One-way fare · No data: click and we will search

Airlines seen: United Airlines, American Airlines, Frontier Airlines, Southwest Airlines
Reported fastest flight: 3h 35m
Non-stop: Yes

Short answer

Routavio has seen United Airlines fares from Houston to Ontario, non-stop. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare. Lowest fare seen: €70 on 11 Sep 2026.

About this route

Explore the fares we observed from Houston to Ontario. Prices move often, so pick your dates to see the latest options.

Route distance: 2,150 km
Reported fastest flight: 3h 35m
Alternative airports: HOU

Route-level information; individual journeys vary.
Published schedules report non-stop service with United Airlines. Check current timetables.

A clearer picture of your fare

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

Compare the same trip

We show like-for-like journeys so the comparison is fair.

Confirm with the provider

The price is final on the provider's site, where your booking is completed.

How our prices work

Airport to city: straight-line distance

William P. Hobby Airport (HOU) → Houston, city gazetteer reference point (29.7628, -95.3831): ≈ 17 km.
George Bush Intercontinental Airport (IAH) → Houston, city gazetteer reference point (29.7628, -95.3831): ≈ 25 km.
Ontario International Airport (ONT) → Ontario, city gazetteer reference point (34.0500, -117.6400): ≈ 4 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.