Find cheap flights from Houston to Ontario - Compare and Save

These are the earliest and latest flight times available from Houston to Ontario:

• Earliest: departs at 7:30 am and lands at 11:01 am
• Latest: departs at 9:35 pm and lands at 1:06 am.

The flight takes about 3h 31m.

Two cabin classes are available on flights from Houston to Ontario:

• Economy Class
• First Class

A nonstop flight from Houston to Ontario takes 3h 31m, covering 1,333 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Houston to Ontario range from $168 to $400, with an average of $260 over the past 12 months. Anything below $168 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 42% above the $260 route average. Book 13 weeks before departure for the lowest fares.

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $244 round-trip, compared to $280 via a layover through Las Vegas Harry Reid Intl (LAS).

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Morning is the busiest departure period on Houston to Ontario flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

JetBlue is the only airline on the Houston to Ontario route offering in-flight Wi-Fi. Pricing depends on fare class.

Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

• Fox
• Thrifty
• Europcar
• Dollar
• Alamo

Flights from Houston to Ontario may depart from several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH). Flights usually arrive at Ontario (ONT).

One-stop flights from Houston to Ontario most commonly connect through:

• Denver Intl (DEN) - 35% of one-stop connections
• Dallas/Fort Worth (DFW) - 27% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 22% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 15% of one-stop connections

Yes. Flexible dates can save you up to 27% on flights from Houston to Ontario. Saturday is the cheapest departure day at $258 round-trip on average, while Sunday is the most expensive at $352, a difference of $94.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

3 airlines operate flights between Houston and Ontario. The airlines offering nonstop flights on this route include:

• Southwest
• United Airlines
• Frontier

Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 5h 26m, compared with 6h 01m via Dallas/Fort Worth (DFW) and 6h 10m via Salt Lake City (SLC).

Ontario is 2 hours behind Houston (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

Among airlines operating Houston to Ontario flights:

• Frontier: offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Frontier: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• Southwest: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.