HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
George Bush Intcntl

$63+ Cheap flights from Ontario (ONT) to George Bush Intcntl (IAH)

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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IAH
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to George Bush Intcntl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Ontario to Houston George Bush Intcntl are usually found in August or September, booked 80 days in advance, depart on a Wednesday or Saturday 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 November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

August

Round-trip from

$108
(Frontier)

One-way from

$63
(Cheapflightsfares)
Provider with most accurate pricing for Ontario-Houston George Bush Intcntl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Houston George Bush Intcntl flights.
Search Deals
High demand for flights, 26% potential price rise
Search Deals
Best time to find cheap flights, 40% potential price drop
Search Deals
From Ontario to Houston George Bush Intcntl
Search Deals
One-way flight from Ontario to Houston George Bush Intcntl
Search Deals

Find flight deals from Ontario to George Bush Intcntl

Cheapest flights from Ontario to George Bush Intcntl
Explore the most affordable flight options available from Ontario to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Frontier deal was found by Cheapflights users on 11/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/58:04 amONT - IAH
1 stop8h 16mFrontier
Sat 1/49:58 pmIAH - ONT
1 stop12h 08mFrontier
Deal found 11/20$108
This Delta deal was found by Cheapflights users on 11/19. 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.
Thu 12/51:18 pmONT - IAH
1 stop6h 20mDelta
Tue 12/1012:00 pmIAH - ONT
2 stops12h 42mDelta
Deal found 11/19$271
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/116:10 amONT - IAH
Nonstop3h 00mUnited Airlines
Wed 12/118:15 pmIAH - ONT
Nonstop3h 27mUnited Airlines
Deal found 11/20$297
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/129:53 amONT - IAH
1 stop5h 39mAmerican Airlines
Sat 12/145:00 amIAH - ONT
2 stops9h 00mAmerican Airlines
Deal found 11/20$306
This Orbitz deal was found by Cheapflights users on 11/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/57:00 amONT - IAH
2 stops14h 59mMultiple Airlines
Sat 1/49:58 pmIAH - ONT
1 stop12h 08mMultiple Airlines
Deal found 11/20$317

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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Wed 2/19

4:09 pm-9:26 pm

Nonstop3h 17m

Houston George Bush Intcntl

Fri 2/21

12:07 pm-1:43 pm

Nonstop3h 36m

$108

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Thu 12/5

1:18 pm-9:38 pm

1 stop6h 20m

Houston George Bush Intcntl

Tue 12/10

12:00 pm-10:42 pm

2 stops12h 42m

$271

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Wed 12/11

6:10 am-11:10 am

Nonstop3h 00m

Houston George Bush Intcntl

Wed 12/11

8:15 pm-9:42 pm

Nonstop3h 27m

$297

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Thu 12/12

9:53 am-5:32 pm

1 stop5h 39m

Houston George Bush Intcntl

Sat 12/14

5:00 am-12:00 pm

2 stops9h 00m

$306

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Thu 12/5

7:00 am-11:59 pm

2 stops14h 59m

Houston George Bush Intcntl

Sat 1/4

9:58 pm-8:06 am

1 stop12h 08m

$317

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Fri 12/6

11:58 am-5:11 pm

Nonstop3h 13m

$63

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Wed 1/8

6:00 am-4:36 pm

1 stop8h 36m

$138

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Sat 12/14

6:10 am-11:09 am

Nonstop2h 59m

$149

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Sun 12/29

12:59 am-8:18 am

1 stop5h 19m

$163

OntarioHouston

ONT - IAH

ONTIAH

Ontario

Wed 11/27

10:00 pm-9:25 am

1 stop9h 25m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 12 results
1
2

Compare providers for flights from Ontario to George Bush Intcntl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to George Bush Intcntl in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Houston George Bush Intcntl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Ontario to George Bush Intcntl

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

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 November 15, 2024.

The best time to book flights from Ontario to Houston George Bush Intcntl Airport is 80 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 Ontario to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Ontario to Houston George Bush Intcntl Airport (average of $241). Flying from Ontario to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $340). 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 IAH?

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 November 21, 2024.

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 50% versus a flight in the morning.

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 November 18, 2024.

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.

Weekly flight availability from Ontario to Houston George Bush Intcntl Airport

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 November 21, 2024.

The most flights from ONT to IAH are scheduled on a Monday (2 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in George Bush Intcntl by month

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

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport when rainfall is around 3.2 in.

Temperature in George Bush Intcntl by month

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

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 November 21, 2024.
Get a feel of what it's like to fly with Frontier, Delta and United Airlines 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
8.0
Very good
9,464 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Entertainment

7.1

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Alaska Airlines
8.0
Very good
9,464 reviews
Alaska Airlines
8.0
Very good
9,464 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Entertainment

7.1

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Delta
8.0
Very good
8,755 reviews
Alaska Airlines
8.0
Very good
9,464 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Entertainment

7.1

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

United Airlines
7.4
Good
9,172 reviews
Alaska Airlines
8.0
Very good
9,464 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Entertainment

7.1

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,464 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Entertainment

7.1

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Volaris
6.7
Okay
1,286 reviews
Alaska Airlines
8.0
Very good
9,464 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Entertainment

7.1

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

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 is 1 daily outbound flight to Houston George Bush Intcntl from 5 different airlines.

  • What are the cheapest airlines flying 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 $108. Other airlines that can offer you cheap pricing are Delta, from $271, and United Airlines, from $297. Users have found that Frontier is 60% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Ontario to Houston George Bush Intcntl Airport one-way?

    The cheapest airlines for a one-way flight from Ontario to Houston George Bush Intcntl Airport are Frontier ($63), United Airlines ($129), and Alaska Airlines ($138).

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

    Looking at all options, your cheapest flight can be booked for $61. While the most popular route (Ontario - Houston George Bush Intcntl) can be booked for $106 on average our data indicates $517 when flying from Ontario to Houston George Bush Intcntl Airport.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Ontario to Houston George Bush Intcntl Airport (average of $241). Flying from Ontario to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $340). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Hobby flights
Los Angeles to George Bush Intcntl flights
Ontario to Hobby flights
San Francisco to Hobby flights
San Francisco to George Bush Intcntl flights
Santa Ana to Hobby flights
Santa Ana to George Bush Intcntl flights
San Jose to Hobby flights
Burbank to Hobby flights
San Diego to Hobby flights
San Jose to George Bush Intcntl flights
Burbank to George Bush Intcntl flights
Sacramento to Hobby flights
Oakland to Hobby flights
San Diego to George Bush Intcntl flights
Las Vegas to Hobby flights
Oakland to George Bush Intcntl flights
Sacramento to George Bush Intcntl flights
Las Vegas to George Bush Intcntl flights
Fresno to Hobby flights
Palm Springs to Hobby flights
Reno to Hobby flights
Long Beach to Hobby flights
Palm Springs to George Bush Intcntl flights
Fresno to George Bush Intcntl flights
Reno to George Bush Intcntl flights
Long Beach to George Bush Intcntl flights
Bakersfield to Hobby flights
Bakersfield to George Bush Intcntl flights
Monterey to Hobby flights
Monterey to George Bush Intcntl flights
Medford to Hobby flights
Santa Barbara to Hobby flights
San Luis Obispo to Hobby flights
Santa Barbara to George Bush Intcntl flights
Santa Rosa to Hobby flights
Medford to George Bush Intcntl flights
San Luis Obispo to George Bush Intcntl flights
Santa Rosa to George Bush Intcntl flights
Yuma to Hobby flights
Redding to George Bush Intcntl flights
Yuma to George Bush Intcntl flights
Tijuana to George Bush Intcntl flights

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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$91Average$172FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$93Average$222FlexibilityNo cancel feeOn-time65%
DeltaCheapest$144Average$363FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$215Average$399FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$247Average$435FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines