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$48+ Cheap flights from Ontario (ONT) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HOU
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
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The best prices from Ontario to Houston are usually found in September or August, booked 81 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Ontario to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 31, 2024.

Popular in

February

Cheapest in

September

Round-trip from

$96
(Cheapflightsfares)

One-way from

$48
(Cheapflightsfares)
High demand for flights, 28% potential price rise
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Best time to find cheap flights, 27% potential price drop
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From Ontario to Houston
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One-way flight from Ontario to Houston
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Find flight deals from Ontario to Houston

Cheapest flights from Ontario to Houston
Explore the most affordable flight options available from Ontario to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/251:39 pmONT - IAH
Nonstop3h 13mFrontier
Wed 1/112:10 pmIAH - ONT
Nonstop3h 23mFrontier
Deal found 10/30$116
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/164:07 pmONT - HOU
1 stop18h 19mFrontier
Sat 11/232:53 pmHOU - ONT
1 stop11h 05mFrontier
Deal found 10/30$128
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/712:53 pmONT - HOU
1 stop5h 11mAmerican Airlines
Mon 12/165:58 amHOU - ONT
1 stop5h 53mAmerican Airlines
Deal found 10/31$217
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/610:00 pmONT - HOU
1 stop9h 54mDelta
Mon 12/94:48 pmHOU - ONT
1 stop8h 14mDelta
Deal found 10/30$236
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/79:53 amONT - IAH
2 stops8h 55mAmerican Airlines
Mon 12/165:00 amIAH - ONT
1 stop6h 51mAmerican Airlines
Deal found 10/31$242
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/76:10 amONT - IAH
Nonstop2h 59mUnited Airlines
Sat 12/148:15 pmIAH - ONT
Nonstop3h 27mUnited Airlines
Deal found 10/30$258
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/116:00 amONT - IAH
1 stop7h 39mDelta
Fri 12/134:00 pmIAH - ONT
2 stops10h 14mDelta
Deal found 10/30$261
This eDestinos deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2310:19 pmONT - IAH
1 stop15h 27mMultiple Airlines
Mon 1/65:45 amIAH - ONT
1 stop20h 14mMultiple Airlines
Deal found 10/29$267
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/118:35 amONT - HOU
Nonstop3h 00mSouthwest
Wed 12/114:50 pmHOU - ONT
1 stop7h 20mSouthwest
Deal found 10/30$328

Find flights from Ontario to Houston within your budget

Customize your flight search to find flights from Ontario to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Thu 11/14

2:00 pm-7:16 pm

Nonstop3h 16m

$63

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Wed 12/4

6:10 am-11:10 am

Nonstop3h 00m

$89

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Wed 12/4

8:35 am-1:35 pm

Nonstop3h 00m

$89

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Fri 11/8

7:58 am-1:01 am

1 stop15h 03m

$94

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 12/7

12:53 pm-8:04 pm

1 stop5h 11m

$99

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Fri 12/6

10:00 pm-9:54 am

1 stop9h 54m

$118

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 11/14

6:13 pm-10:01 pm

1 stop25h 48m

$63

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Mon 12/9

7:00 am-10:16 pm

2 stops13h 16m

$154

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Sat 12/7

12:50 pm-10:16 pm

2 stops7h 26m

$104

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Tue 12/10

6:00 am-6:33 pm

2 stops10h 33m

$123

Flights are sorted by cheapest first

Deals found on 10/30

Showing 1-10 of 20 results
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Best time to book a flight from Ontario to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Houston

Get recent, data-driven insights about flights from Ontario to Houston including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ontario to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Houston. Price data was last updated on October 25, 2024.

The best time to book flights from Ontario to Houston is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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What is the cheapest month to book a flight from Ontario to Houston?

Currently, September is the cheapest month in which you can book a flight from Ontario to Houston (average of $230). Flying from Ontario to Houston in March is currently the most expensive (average of $332). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to HOU?

Find hourly flight availability from Ontario to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 31, 2024.

A simple way to save on the total cost of your ticket is to fly from Ontario to Houston at noon. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Ontario to Houston?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Houston. Price data was last updated on June 30, 2024.

Travelers seeking maximum savings on their Ontario to Houston flight should consider departing on Sunday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated October 31, 2024.
Read through reviews of airlines operating flights from Ontario to Houston, such as Delta, American Airlines and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
5,116 reviews
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very good
9,420 reviews
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,835 reviews
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

United Airlines
7.4
Good
9,240 reviews
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Houston?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Houston from Ontario. Booking flights from Ontario (ONT) to Houston should be relatively easy as there are 0 daily outbound flights to Houston from 6 different airlines.

  • Can I find flights from Ontario to Houston for under $100 on Cheapflights?

    Yes, there are multiple flights from Ontario to Houston for under $100. The cheapest flight booked recently is on Frontier for just $96, but on average you can expect to pay $221.

  • Are there nonstop flights from Ontario to Houston for under $100 on Cheapflights?

    Cheapflights has at least 3 direct flights from Ontario to Houston under $100. A good price for a nonstop flight from Ontario to Houston is less than $242.

  • Are there last-minute flights available from Ontario to Houston for under $200?

    There are currently 9+ open flights from Ontario to Houston within the next 7 days for less than $200.

  • What days are nonstop flights available from Ontario to Houston?

    Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Friday.

  • How many flights depart from Ontario to Houston on average per day?

    Per day, 2 flights depart from Ontario to Houston on average.
    Morning (6am - Noon) - 100% of flight departures

  • How long is the flight from Ontario to Houston?

    There are many flights that can get you from Ontario to Houston in 3h 13m. Fly via Frontier, American Airlines, or Delta to get the fastest option. The distance from Ontario to Houston is about 1350 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Ontario to Houston round-trip?

    Frontier, at $96, was found to be the cheapest airline from Ontario to Houston.Alternate airlines to your destination round-trip include American Airlines and Delta. Frontier is priced at 61% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Houston one-way?

    $48 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $89 and $89, respectively.

  • What are the cheapest flights from Ontario to Houston?

    The cheapest flight price from Ontario to Houston is $177. On average you can expect to pay $358. The most popular route, (Ontario - Houston Hobby), can usually be booked for $96.

  • What does ONT to HOU mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Ontario Airport to Houston Hobby Airport flight would often be abbreviated as a ONT to HOU flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Houston George Bush Intcntl Airport (IAH), College Station Easterwood Field Airport (CLL), Beaumont Jefferson County Airport (BPT).

  • Can I find deals for flights from Ontario to Houston that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Houston flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Houston with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Houston flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ontario to Houston that include hotel bookings?

    Yes. In addition to deals on Ontario to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Houston.

  • Can I find deals for business class flights from Ontario to Houston?

    Yes. Cheapflights offers flight deals from Ontario to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Houston that allow pets onboard?

    Many airlines flying from Ontario to Houston offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Houston?

    Yes, you can often find last-minute deals on Ontario to Houston flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Houston flight deals updated?

    The Ontario to Houston flight deals you see on this page were last updated on 10/31.

  • What is the cheapest month to book a flight from Ontario to Houston?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Houston (average of $230). Flying from Ontario to Houston in March is currently the most expensive (average of $332). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Ontario to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Santa Ana to George Bush Intcntl flights
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Ontario to Austin flights
Sacramento to Dallas/Fort Worth flights
Burbank to George Bush Intcntl flights
San Diego to Hobby flights
San Jose to Hobby flights
San Diego to Austin flights
San Jose to George Bush Intcntl flights
Oakland to Hobby flights
San Diego to George Bush Intcntl flights
Ontario to San Antonio flights
Las Vegas to Dallas/Fort Worth flights
San Francisco to Love Field flights
Santa Ana to Austin flights
Oakland to George Bush Intcntl flights
Burbank to San Antonio flights
Sacramento to Hobby flights
Los Angeles to El Paso flights
Las Vegas to Hobby flights
San Jose to Love Field flights
San Jose to Austin flights
San Francisco to San Antonio flights
Sacramento to George Bush Intcntl flights
Ontario to Love Field flights
Burbank to Austin flights
Santa Ana to San Antonio flights
Las Vegas to Austin flights
Las Vegas to Love Field flights
Fresno to Dallas/Fort Worth flights
Las Vegas to San Antonio flights

Top 6 airlines flying from Ontario to Houston

Discover the top 6 airlines that operate flights from Ontario to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$88Average$175FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$93Average$210FlexibilityNo cancel feeOn-time65%
DeltaCheapest$144Average$319FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$224Average$420FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$246Average$416FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$342Average$400FlexibilityNo cancel feeOn-time63%
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