Question 1

How many flights depart from Ontario to Houston George Bush Intcntl Airport on average per day?

Accepted Answer

As of December 2025, there are 1 flights per day flying from Ontario to Houston George Bush Intcntl Airport. The most common time of day flights depart is 6:00AM, with 80% of flights taking off at noon.

Question 2

What is the cheapest airline that flies from Ontario to Houston George Bush Intcntl?

Accepted Answer

Delta and United Airlines are the most popular carriers operating from Ontario to Houston George Bush Intcntl

Question 3

How have Ontario to Houston George Bush Intcntl Airport flight prices changed over time?

Accepted Answer

As of December 2025, prices for Ontario to Houston George Bush Intcntl Airport flights are approximately 20% cheaper when compared to flights at the same time last year.

Question 4

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

Accepted Answer

The month of March is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Ontario, with most prices found around $184. If you are unable to visit Houston George Bush Intcntl Airport during the month of March, then departing from Ontario during the month April is also very affordable. Most momondo users find prices during this month for around $188.

Question 5

What airlines fly to Houston George Bush Intcntl Airport?

Accepted Answer

United Airlines, Frontier and Spirit Airlines are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from Ontario according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Houston George Bush Intcntl Airport. Keep in mind that there are 5 different airlines that fly to Houston George Bush Intcntl Airport on a routine basis, so you have a few additional options to choose from.

Question 6

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

Accepted Answer

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $239 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Ontario for as low as $190 on momondo.

Question 7

What is the most punctual flight time for Ontario to Houston flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 8

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Question 9

How often are flights from Ontario to Houston delayed?

Accepted Answer

Historically, on average around 11% of flights between Ontario and Houston have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

Question 10

Which airline has the best punctuality record on Ontario to Houston flights?

Accepted Answer

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

Question 11

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

Accepted Answer

The cheapest day to depart from Ontario to Houston George Bush Intcntl Airport is on a Friday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Friday will often find tickets for as low as $284. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Sunday is $422.

Question 12

What cabin class options are available on Ontario to Houston George Bush Intcntl flights?

Accepted Answer

There are 4 cabin classes available to choose from on Ontario to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 13

What is the cheapest Ontario to Houston George Bush Intcntl flight route?

Accepted Answer

Fly from Ontario to Houston George Bush Intcntl for the best Ontario - Houston George Bush Intcntl flight prices

Question 14

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Accepted Answer

Our data shows that the cheapest Ontario to Houston George Bush Intcntl Airport flights are usually those with departure times at noon. Our users have found flights to Houston George Bush Intcntl Airport at noon for as low as $215. Try not to purchase tickets in the morning because they tend to be around $407. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 15

How many flights depart from Ontario to Houston George Bush Intcntl Airport on average per week?

Accepted Answer

The number of flights available between Ontario and Houston George Bush Intcntl Airport is 9 per week as of December 2025. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.

Question 16

When did momondo last update prices for flights from Ontario Airport to Houston George Bush Intcntl Airport?

Accepted Answer

Prices for flights from Ontario Airport to Houston George Bush Intcntl Airport are refreshed on a daily basis.

Question 17

How many operators does momondo search for flights from Ontario Airport to Houston George Bush Intcntl Airport?

Accepted Answer

As of December 2025, there are 3 operators available to choose from for flights from Ontario Airport to Houston George Bush Intcntl Airport.

Question 18

How old do you have to be to fly from Ontario Airport to Houston George Bush Intcntl Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Houston George Bush Intcntl Airport.

Question 19

What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

Accepted Answer

The necessary travel and health documents for your Houston George Bush Intcntl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best Price Found	$130
Fastest flight time	2h 57m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $81	Free Cancellation	Rating 5.8 3,080 reviews	Search Frontier flights
United Airlines	PriceFrom $187	Free Cancellation	Rating 7.4 9,093 reviews	Search United Airlines flights
American Airlines	PriceFrom $188	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights

Cheap flights from Ontario to Houston from $58

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Houston departing on 1/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Ontario to Houston George Bush Intcntl Airport

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

What is the cheapest Ontario to Houston George Bush Intcntl flight route?

Fly from Ontario to Houston George Bush Intcntl for the best Ontario - Houston George Bush Intcntl flight prices

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

What cabin class options are available on Ontario to Houston George Bush Intcntl flights?

There are 4 cabin classes available to choose from on Ontario to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Ontario to Houston George Bush Intcntl Airport flight prices changed over time?

As of December 2025, prices for Ontario to Houston George Bush Intcntl Airport flights are approximately 20% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Ontario to Houston George Bush Intcntl?

Delta and United Airlines are the most popular carriers operating from Ontario to Houston George Bush Intcntl

What airlines fly to Houston George Bush Intcntl Airport?

How often are flights from Ontario to Houston delayed?

Historically, on average around 11% of flights between Ontario and Houston have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

What is the most punctual flight time for Ontario to Houston flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Ontario to Houston flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

How many flights depart from Ontario to Houston George Bush Intcntl Airport on average per day?

As of December 2025, there are 1 flights per day flying from Ontario to Houston George Bush Intcntl Airport. The most common time of day flights depart is 6:00AM, with 80% of flights taking off at noon.

How many flights depart from Ontario to Houston George Bush Intcntl Airport on average per week?

The number of flights available between Ontario and Houston George Bush Intcntl Airport is 9 per week as of December 2025. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.

When to book flights from Ontario to Houston George Bush Intcntl Airport

Cheap Ontario to Houston George Bush Intcntl Airport (ONT to IAH) flight deals and tips

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How far is Ontario to Houston George Bush Intcntl by plane?

When did momondo last update prices for flights from Ontario Airport to Houston George Bush Intcntl Airport?

How many operators does momondo search for flights from Ontario Airport to Houston George Bush Intcntl Airport?

How old do you have to be to fly from Ontario Airport to Houston George Bush Intcntl Airport?

What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

What is the most popular plane model from Ontario to Houston George Bush Intcntl Airport?

What is the most popular airline from Ontario to Houston George Bush Intcntl Airport?

Best airlines flying from Ontario to Houston George Bush Intcntl Airport

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