Cheap flights from Houston to Los Angeles from $71
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Los Angeles departing on 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Houston to Los Angeles
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Frontier flights from Houston to Ontario
Our best Frontier deals on Houston to Ontario flight tickets
United Airlines flights from Houston to Ontario
Our best United Airlines deals on Houston to Ontario flight tickets
See travel insights to Los Angeles from
How to get the cheapest flight ticket from Houston to Ontario
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Ontario?
In general, February is the cheapest month to fly from Houston to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $141. If you aren’t able to travel during the month of February, then book flights to Ontario from Houston during September instead. Flights to Ontario in September, while not as cheap as those in February, still average around $152.
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $380. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Houston to Ontario for around $502.
What is the cheapest time of day to depart on your flight to Ontario?
In the morning is the cheapest time of day to fly from Houston to Ontario when you can find flight prices for as low as $168. Flying to Ontario in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $199 on average. Flights to Ontario from Houston in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Houston to Ontario flight route?
Fly from Houston George Bush Intcntl to Ontario for the best Houston - Ontario flight prices
How far in advance should I book a flight to Ontario?
You are more likely to see cheaper flights to Ontario from Houston when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $211 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Houston for as low as $149 on momondo.
What cabin class options are available on Houston to Ontario flights?
There are 3 cabin classes available to choose from on Houston to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Houston to Ontario?
Frontier, United Airlines, and Southwest are the most popular carriers operating from Houston to Ontario
What airlines fly to Ontario?
Spirit Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Ontario from Houston according to our data. Spirit Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
How many flights depart from Houston to Ontario on average per day?
3 flights are operational daily from Houston to Ontario as of June 2025. The most popular departure time for this route is 7:00PM, with 58% of flights per day taking off in the evening.
How many flights depart from Houston to Ontario on average per week?
21 flights are operational weekly from Houston to Ontario as of June 2025. The most popular departure day for this route is Wed, with 24% of flights per week taking off on this day.
Cheap Houston to Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Houston to Ontario
How far is Houston to Ontario by plane?
Houston and Ontario are 1336.6 mi apart from one another. Flights usually cover this in 3h 15m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Houston to Ontario Airport?
Prices for flights from Houston to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Houston to Ontario Airport?
There are 5 operators available for flights from Houston to Ontario Airport as of June 2025.
How old do you have to be to fly from Houston to Ontario Airport?
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 Houston to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Houston to Ontario
Compare and see reviews for airlines that fly from Houston to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $82 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $83 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $158 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $196 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $257 | Free Cancellation | Rating 8.0 4,287 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Houston to Ontario?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Houston.
Can I find flights from Houston to Ontario with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Houston to Ontario flights to just show those with flexible booking policies.
How can momondo help me find flights from Houston to Ontario?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Houston.
I’m not ready to book a flight from Houston to Ontario right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Houston and alert you when they change.