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$76+ Cheap flights from Houston to Ontario (ONT)

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ONT
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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The best prices from Houston to Ontario are usually found in September or July, booked 65 days in advance, depart on a Wednesday or Friday and return on a Friday

Cheap flight deals from Houston to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Ontario (ONT). 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 December 22, 2024.

Round-trip from

$126
(Cheapflightsfares)

One-way from

$76
(Frontier)

Popular in

December

Cheapest in

September

Average price

$297
From Houston to Ontario
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One-way flight from Houston to Ontario
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High demand for flights, 14% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Houston to Ontario

Cheapest flights from Houston to Ontario
Explore the most affordable flight options available from Houston to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This FlightHub deal was found by Cheapflights users on 12/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2310:37 pmIAH - ONT
1 stop19h 11mFrontier
Wed 12/251:39 pmONT - IAH
Nonstop3h 13mFrontier
Deal found 12/21$254
This Gotogate deal was found by Cheapflights users on 12/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/307:59 pmHOU - ONT
1 stop17h 33mFrontier
Fri 1/39:19 pmONT - HOU
1 stop19h 09mFrontier
Deal found 12/21$441
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Sun 12/295:20 amIAH - ONT
1 stop6h 38mUnited Airlines
Tue 1/76:00 amONT - IAH
Nonstop3h 03mUnited Airlines
Deal found 12/21$645
This Alaska Airlines deal was found by Cheapflights users on 12/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:51 pmIAH - ONT
2 stops16h 54mAlaska Airlines
Wed 3/127:00 amONT - IAH
2 stops14h 59mAlaska Airlines
Deal found 12/20$757
This Expedia deal was found by Cheapflights users on 12/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/233:09 pmIAH - ONT
Nonstop3h 23mMultiple Airlines
Sat 12/286:00 amONT - IAH
1 stop9h 51mMultiple Airlines
Deal found 12/21$823
This Southwest deal was found by Cheapflights users on 12/21. 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.
Sun 12/291:30 pmHOU - ONT
Nonstop3h 30mSouthwest
Thu 1/211:50 amONT - HOU
Nonstop2h 55mSouthwest
Deal found 12/21$874
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Fri 12/279:15 amIAH - ONT
1 stop6h 43mAmerican Airlines
Wed 1/16:05 amONT - IAH
1 stop12h 30mAmerican Airlines
Deal found 12/21$891
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Fri 12/276:00 amHOU - ONT
1 stop7h 46mAmerican Airlines
Wed 1/16:05 amONT - HOU
1 stop9h 43mAmerican Airlines
Deal found 12/21$891
This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 12/233:10 pmHOU - ONT
1 stop10h 31mDelta
Tue 12/245:30 amONT - HOU
2 stops13h 07mDelta
Deal found 12/21$1,031

Find flights from Houston to Ontario within your budget

Customize your flight search to find flights from Houston to Ontario 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 2,558,603 searches. Data last updated December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HoustonOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Sat 3/15

12:07 pm-1:43 pm

Nonstop3h 36m

Ontario

Mon 3/17

4:09 pm-9:26 pm

Nonstop3h 17m

$126

HoustonOntario

HOU - ONT

HOUONT

Houston Hobby

Thu 1/16

10:36 am-11:47 pm

1 stop15h 11m

Ontario

Wed 1/22

7:45 am-5:26 pm

1 stop7h 41m

$129

HoustonOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Fri 1/31

8:15 pm-9:57 pm

Nonstop3h 42m

Ontario

Wed 2/5

6:00 am-11:03 am

Nonstop3h 03m

$307

HoustonOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Fri 2/7

7:35 pm-11:51 pm

1 stop6h 16m

Ontario

Wed 2/12

1:00 pm-11:59 pm

1 stop8h 59m

$326

HoustonOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Wed 1/8

5:36 pm-5:59 pm

2 stops26h 23m

Ontario

Wed 1/15

11:33 am-11:59 pm

1 stop10h 26m

$334

HoustonOntario

HOU - ONT

HOUONT

Houston Hobby

Thu 1/23

9:30 am-11:05 am

Nonstop3h 35m

Ontario

Mon 1/27

11:55 am-4:50 pm

Nonstop2h 55m

$338

HoustonOntario

HOU - ONT

HOUONT

Houston Hobby

Sat 2/8

6:00 am-9:56 am

1 stop5h 56m

Ontario

Sat 2/15

2:54 pm-10:30 pm

1 stop5h 36m

$386

HoustonOntario

HOU - ONT

HOUONT

Houston Hobby

Fri 1/3

3:10 pm-12:28 am

2 stops11h 18m

Ontario

Sun 1/5

10:29 pm-9:30 am

1 stop9h 01m

$1,031

HoustonOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Wed 4/9

6:00 am-2:27 pm

1 stop10h 27m

$76

HoustonOntario

HOU - ONT

HOUONT

Houston Hobby

Sat 2/15

3:43 pm-9:31 am

1 stop19h 48m

$76

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 17 results
1
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Best time to book a flight from Houston to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Houston 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 Houston to Ontario

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

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to Ontario. Price data was last updated on December 13, 2024.

The best time to book flights from Houston to Ontario is 65 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.

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

Currently, August is the cheapest month in which you can book a flight from Houston to Ontario (average of $246). Flying from Houston to Ontario in March is currently the most expensive (average of $317). 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 HOU to ONT?

Find hourly flight availability from Houston to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

A simple way to save on the total cost of your ticket is to fly from Houston to Ontario 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 Houston to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Houston to Ontario. Price data was last updated on October 27, 2024.

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

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated December 22, 2024.
See what other customers who have flown with Frontier, American Airlines and Delta from Houston to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,804 reviews

Boarding

8.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,804 reviews
Southwest
8.1
Very good
4,804 reviews

Boarding

8.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,537 reviews
Southwest
8.1
Very good
4,804 reviews

Boarding

8.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,594 reviews
Southwest
8.1
Very good
4,804 reviews

Boarding

8.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,028 reviews
Southwest
8.1
Very good
4,804 reviews

Boarding

8.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,804 reviews

Boarding

8.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Houston to Ontario. 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 into for flights to Ontario from Houston?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from Houston to Ontario. 6 airlines have flights to Ontario from Houston on a regular basis. Booking flights from Houston to Ontario should not be difficult; the airport handles an average of 1 inbound flight from Houston per day.

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

    Currently priced at $126, Frontier will fly you from Houston to Ontario and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from $326 and $334, respectively. Frontier is currently priced 43% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $76 on Frontier. Other airlines that offer cheap prices include United Airlines from $139 and Delta from $148 one-way.

  • What are the cheapest flights from Houston to Ontario?

    On average you can expect to pay $215 for a flight from Houston to Ontario. The cheapest flight overall is $198 while the most popular route, (Houston Hobby - Ontario) is currently priced at $85.

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

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Houston to Ontario (average of $246). Flying from Houston to Ontario in March is currently the most expensive (average of $317). 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 Houston to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Houston to Ontario

Discover the top 6 airlines that operate flights from Houston to Ontario. 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 2,558,603 searches. Data last updated December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$178FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$98Average$195FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$177Average$365FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$306FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$246Average$393FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$267Average$390FlexibilityNo cancel feeOn-time63%
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