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Cheap flights from Ontario (ONT) to George Bush Intcntl (IAH) from $39

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — IAH
Jun 12 — Jun 191
From?
To?
Wed 6/12
Wed 6/19
1 adult, Economy
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The best prices from Ontario to Houston George Bush Intcntl are usually found in August or September, booked 60 days in advance, depart on a Friday or Wednesday and return on a Saturday

Cheap flight deals from Ontario to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to George Bush Intcntl (IAH). 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 June 7, 2024.

Popular in

December

Cheapest in

August

Round-trip from

$238

One-way from

$39
High demand for flights, 17% potential price rise
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Best time to find cheap flights, 22% potential price drop
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From Ontario to Houston George Bush Intcntl
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One-way flight from Ontario to Houston George Bush Intcntl
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What is the cheapest day to fly round-trip from Ontario to Houston George Bush Intcntl Airport?

Thursday is generally a great day to depart. Flying on this day could help you save up to 67%.

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

Users have found that booking a flight from Ontario to Houston George Bush Intcntl Airport at least 55 days early can save you up to 90% on average compared to booking a flight this week. If booking 55 days before your flight isn’t an option for you, users have found flights from Ontario to Houston George Bush Intcntl Airport for as little as $248 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $478 for flights departing within the next 3 days.

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

Our data shows that September tends to be the cheapest month to fly to Houston George Bush Intcntl Airport from Ontario. Users have commonly found prices around $266 for the month, but tickets can be as low as $76. Due to multiple factors, prepare for potentially higher prices in March.

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

When flying from Ontario to Houston George Bush Intcntl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 56% versus a flight at noon.

Cheap Ontario to George Bush Intcntl flights in June & July 2024

Find cheap flight options from Ontario to George Bush Intcntl specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Prices were last updated on June 7, 2024.
Scroll through some of the best deals on flights from Ontario to Houston in 2024. Check back soon for alternative fares.
Wed 7/35:28 pmONT - IAH
Nonstop3h 02mFrontier
Wed 7/108:26 pmIAH - ONT
Nonstop3h 09mFrontier
Deal found 6/6$98
Wed 6/195:28 pmONT - IAH
Nonstop3h 02mFrontier
Wed 6/267:37 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 6/5$108
Wed 7/314:55 pmONT - IAH
Nonstop3h 04mFrontier
Sat 8/39:00 pmIAH - ONT
Nonstop3h 09mFrontier
Deal found 6/6$128
Wed 7/105:11 pmONT - IAH
Nonstop3h 04mFrontier
Wed 7/178:31 pmIAH - ONT
Nonstop3h 09mFrontier
Deal found 6/6$134
Mon 7/19:36 pmONT - IAH
1 stop12h 39mFrontier
Wed 7/37:37 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 6/6$138
Wed 7/35:28 pmONT - IAH
Nonstop3h 02mFrontier
Mon 7/810:29 pmIAH - ONT
1 stop10h 58mFrontier
Deal found 6/6$139
Wed 7/35:28 pmONT - IAH
Nonstop3h 02mFrontier
Sat 7/69:00 pmIAH - ONT
Nonstop3h 09mFrontier
Deal found 6/6$140
Wed 7/35:28 pmONT - IAH
Nonstop3h 02mFrontier
Mon 7/88:26 pmIAH - ONT
Nonstop3h 09mFrontier
Deal found 6/6$141
Wed 7/35:28 pmONT - IAH
Nonstop3h 02mFrontier
Fri 7/58:17 pmIAH - ONT
Nonstop3h 09mFrontier
Deal found 6/6$146

Ontario to George Bush Intcntl 2024 flight deals

Discover exclusive flight deals for travel between Ontario and George Bush Intcntl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Data last updated June 7, 2024.
Scroll through some of the best deals on flights from Ontario to Houston in 2024. Check back soon for alternative fares.
Wed 9/184:48 pmONT - IAH
Nonstop3h 04mFrontier
Sat 9/218:50 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 6/6$58
Wed 9/184:48 pmONT - IAH
Nonstop3h 04mFrontier
Sat 9/218:50 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 6/6$68
Fri 9/204:48 pmONT - IAH
Nonstop3h 04mFrontier
Mon 9/238:14 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 6/6$78
Wed 8/214:48 pmONT - IAH
Nonstop3h 04mFrontier
Sat 8/318:50 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 6/6$88
Wed 7/35:28 pmONT - IAH
Nonstop3h 02mFrontier
Wed 7/108:26 pmIAH - ONT
Nonstop3h 09mFrontier
Deal found 6/6$98
Tue 9/1712:49 amONT - IAH
1 stop5h 53mFrontier
Sat 9/218:50 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 6/6$99
Wed 6/195:28 pmONT - IAH
Nonstop3h 02mFrontier
Wed 6/267:37 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 6/5$108
Fri 9/64:48 pmONT - IAH
Nonstop3h 04mFrontier
Mon 9/98:14 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 6/6$109
Wed 8/74:55 pmONT - IAH
Nonstop3h 04mFrontier
Sun 8/1111:09 pmIAH - ONT
1 stop9h 10mFrontier
Deal found 6/6$118

Ontario to George Bush Intcntl flights leaving soon

Find last-minute flight options from Ontario to George Bush Intcntl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,048,502 searches. Data last updated June 7, 2024.
Have a look at some of the flights available from Ontario to Houston departing last-minute. Users should be sure to double check the price, date, and time of their last-minute flight.
Mon 6/173:48 pmONT - IAH
Nonstop3h 02mFrontier
Wed 6/267:37 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 6/5$138
Sun 6/1612:59 amONT - IAH
1 stop6h 33mFrontier
Wed 6/267:37 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 6/5$149
Fri 6/148:45 pmONT - IAH
1 stop20h 05mFrontier
Thu 6/2010:51 pmIAH - ONT
1 stop26h 49mFrontier
Deal found 6/6$157
Fri 6/148:45 pmONT - IAH
1 stop20h 05mFrontier
Sun 6/169:49 pmIAH - ONT
1 stop21h 44mFrontier
Deal found 6/7$162
Fri 6/148:45 pmONT - IAH
1 stop20h 05mFrontier
Sun 6/169:49 pmIAH - ONT
1 stop21h 44mFrontier
Deal found 6/6$163
Fri 6/144:14 pmONT - IAH
Nonstop3h 02mFrontier
Wed 6/267:37 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 6/5$168
Wed 6/128:03 amONT - IAH
1 stop23h 09mFrontier
Wed 6/197:37 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 6/5$169
Fri 6/148:45 pmONT - IAH
1 stop20h 05mFrontier
Mon 7/18:17 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 6/6$170
Mon 6/173:48 pmONT - IAH
Nonstop3h 02mFrontier
Fri 6/284:14 pmIAH - ONT
1 stop7h 09mFrontier
Deal found 6/5$178

One-way flights to George Bush Intcntl from Ontario

Search for one-way flight options from Ontario to George Bush Intcntl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,048,502 searches. Data last updated June 7, 2024.
Users in need of a one-way flight from Ontario to Houston can choose from these deals. For those needing a return trip from Ontario, there is a search form available above.
Mon 9/94:48 pmONT - IAH
Nonstop3h 04mFrontier
Deal found 6/6$39
Mon 8/123:59 pmONT - IAH
Nonstop3h 04mFrontier
Deal found 6/5$41
Wed 7/35:28 pmONT - IAH
Nonstop3h 02mFrontier
Deal found 6/6$49
Wed 7/174:55 pmONT - IAH
Nonstop3h 04mFrontier
Deal found 6/6$51
Wed 6/265:28 pmONT - IAH
Nonstop3h 02mFrontier
Deal found 6/6$53
Sat 9/74:48 pmONT - IAH
Nonstop3h 04mFrontier
Deal found 6/6$59
Fri 9/64:48 pmONT - IAH
Nonstop3h 04mFrontier
Deal found 6/6$60
Mon 7/13:48 pmONT - IAH
Nonstop3h 02mFrontier
Deal found 6/6$70
Mon 7/13:48 pmONT - IAH
Nonstop3h 02mFrontier
Deal found 6/6$72

Find flights from Ontario to George Bush Intcntl within your budget

Customize your flight search to find flights from Ontario to George Bush Intcntl 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 3,048,502 searches. Data last updated June 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$58 - $262

Route

Depart

Return

Price

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Wed 9/18

Nonstop3h 04m

Houston George Bush Intcntl

Sat 9/21

Nonstop3h 19m

$58

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Wed 9/18

Nonstop3h 04m

Houston George Bush Intcntl

Sat 9/21

Nonstop3h 19m

$68

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Fri 9/20

Nonstop3h 04m

Houston George Bush Intcntl

Mon 9/23

Nonstop3h 19m

$78

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Wed 8/21

Nonstop3h 04m

Houston George Bush Intcntl

Sat 8/31

Nonstop3h 19m

$88

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Wed 7/3

Nonstop3h 02m

Houston George Bush Intcntl

Wed 7/10

Nonstop3h 09m

$98

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Tue 9/17

1 stop5h 53m

Houston George Bush Intcntl

Sat 9/21

Nonstop3h 19m

$99

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Sat 7/20

1 stop7h 26m

Houston George Bush Intcntl

Sat 8/17

1 stop6h 54m

$207

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Thu 9/5

1 stop10h 36m

Houston George Bush Intcntl

Mon 9/16

1 stop6h 51m

$216

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Wed 11/6

1 stop6h 24m

Houston George Bush Intcntl

Mon 11/11

Nonstop3h 27m

$262

Flights are sorted by cheapest first

Deals found on 6/6

How far ahead should I book a flight from Ontario to Houston George Bush Intcntl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to George Bush Intcntl. Price data was last updated on May 31, 2024.
The best time to book flights from Ontario to Houston George Bush Intcntl Airport is 60 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.
Search Deals

What is the cheapest day to fly from Ontario to Houston George Bush Intcntl Airport?

Use this chart to determine the cheapest time to fly round-trip from Ontario to George Bush Intcntl. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Houston George Bush Intcntl Airport flight should consider departing on Saturday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Ontario to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl 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.

Temperature and rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature and rainfall totals by month.

IAH

Temperature

53.6 - 84.2 °F

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, 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 George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated June 7, 2024.
Get a feel of what it's like to fly with Frontier, American Airlines and Delta from Ontario to Houston by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,223 reviews

Entertainment

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,223 reviews
Alaska Airlines
8.1
Very good
9,223 reviews

Entertainment

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,363 reviews
Alaska Airlines
8.1
Very good
9,223 reviews

Entertainment

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
10,696 reviews
Alaska Airlines
8.1
Very good
9,223 reviews

Entertainment

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,226 reviews
Alaska Airlines
8.1
Very good
9,223 reviews

Entertainment

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Volaris
6.6
Okay
1,460 reviews
Alaska Airlines
8.1
Very good
9,223 reviews

Entertainment

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Ontario to George Bush Intcntl. 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 George Bush Intcntl?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Houston George Bush Intcntl from Ontario. Booking flights from Ontario (ONT) to Houston George Bush Intcntl should be relatively easy as there are 0 daily outbound flights to Houston George Bush Intcntl from 5 different airlines.

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

    Yes, there are multiple flights from Ontario to Houston George Bush Intcntl Airport for under $100. The cheapest flight booked recently is on Frontier for just $58, but on average you can expect to pay $114.

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

    Cheapflights has at least 20 direct flights from Ontario to Houston George Bush Intcntl Airport under $100. A good price for a nonstop flight from Ontario to Houston George Bush Intcntl Airport is less than $144.

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

    There are currently 20+ open flights from Ontario to Houston George Bush Intcntl Airport within the next 7 days for less than $200.

  • What is the cheapest airline to fly from Ontario to Houston George Bush Intcntl Airport round-trip?

    Cheapflights users have booked flights from Ontario to Houston George Bush Intcntl Airport round-trip from $58. Users have found that Frontier is 80% cheaper than the other options available to this destination.

  • What are the cheapest flights from Ontario to Houston George Bush Intcntl Airport?

    Looking at all options, your cheapest flight can be booked for $41. While the most popular route (Ontario - Houston George Bush Intcntl) can be booked for $98 on average our data indicates $729 when flying from Ontario to Houston George Bush Intcntl Airport.

  • What does ONT to IAH mean?

    Great question - ONT to IAH just means Ontario Airport to Houston George Bush Intcntl Airport. Now you’ll know what these unique codes when you look for flights!

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

    The amount of baggage you can bring on your Ontario to George Bush Intcntl 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 George Bush Intcntl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to George Bush Intcntl 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 George Bush Intcntl that include hotel bookings?

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

  • How can I find direct flights from Ontario to George Bush Intcntl?

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

  • Can I find deals for business class flights from Ontario to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Ontario to George Bush Intcntl 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 George Bush Intcntl that allow pets onboard?

    Many airlines flying from Ontario to George Bush Intcntl 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 George Bush Intcntl?

    Yes, you can often find last-minute deals on Ontario to George Bush Intcntl 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 George Bush Intcntl Airport flight deals updated?

    The Ontario to Houston George Bush Intcntl Airport flight deals you see on this page were last updated on 6/6.

  • What are the most popular airlines that fly from Ontario to Houston George Bush Intcntl Airport?

    The most popular airlines flying from Ontario to Houston George Bush Intcntl Airport are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

  • What is the cheapest month to book a flight from Ontario to Houston George Bush Intcntl Airport?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Houston George Bush Intcntl Airport (average of $243). Flying from Ontario to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $341). 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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Top 5 airlines flying from Ontario to George Bush Intcntl

Discover the top 5 airlines that operate flights from Ontario to George Bush Intcntl. 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 3,048,502 searches. Data last updated June 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$176FlexibilityNo cancel feeOn-time62%
DeltaCheapest$99Average$323FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$104Average$224FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$219Average$362FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$279Average$428FlexibilityNo cancel feeOn-time71%
Boston to Baltimore flights
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Seattle to New York flights
New York John F Kennedy Intl Airport to Miami flights
New York to Singapore flights
Los Angeles to Salt Lake City flights
San Francisco to London flights
Sacramento to Dallas flights
New York to Orlando flights
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Hartford to Orlando flights
Ontario to Ibiza flights

Search flights from Ontario to George Bush Intcntl by cabin class

Find flights from Ontario to George Bush Intcntl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Ontario to George Bush Intcntl

Find hourly flight availability from Ontario to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 7, 2024.
75%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
25%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Ontario to George Bush Intcntl

Explore weekly flight availability from Ontario to George Bush Intcntl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 7, 2024.
Sunday0daily flights
Monday1daily flight
Tuesday0daily flights
Wednesday0daily flights
Thursday1daily flight
Friday1daily flight
Saturday0daily flights

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