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

$65+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IAH
ene. 28 — feb. 41
mar. 1/28
mar. 2/4
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 April, booked 80 days in advance, depart on a Friday or Wednesday and return on a Thursday

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 enero 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$117
(Mytrip)

One-way from

$65
(Booking.com)

Popular in

January

Cheapest in

August

Average price

$336

Good round-trip deal

$236 or less

Good one-way deal

$112 or less
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
From Ontario to Houston George Bush Intcntl
Search Deals
One-way flight from Ontario to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Houston George Bush Intcntl.
Search Deals
Price to beat on a 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 enero 23, 2025.

This Mytrip deal was found by Cheapflights users on 1/23. 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.
jue. 2/68:11 pmONT - IAH
1 stop25h 23mFrontier
lun. 2/107:10 pmIAH - ONT
Nonstop3h 36mFrontier
Deal found 1/23$117
This United Airlines deal was found by Cheapflights users on 1/23. 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.
jue. 2/201:44 pmONT - IAH
1 stop8h 14mUnited Airlines
jue. 2/278:15 pmIAH - ONT
Nonstop3h 44mUnited Airlines
Deal found 1/23$247
This Delta deal was found by Cheapflights users on 1/23. 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.
mar. 2/251:21 pmONT - IAH
1 stop6h 19mDelta
jue. 2/277:35 pmIAH - ONT
1 stop6h 16mDelta
Deal found 1/23$257
This American Airlines deal was found by Cheapflights users on 1/23. 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.
mié. 2/1912:50 pmONT - IAH
2 stops7h 53mAmerican Airlines
mié. 2/269:05 amIAH - ONT
2 stops11h 21mAmerican Airlines
Deal found 1/23$292
This Orbitz deal was found by Cheapflights users on 1/23. 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.
jue. 2/67:00 amONT - IAH
2 stops14h 59mMultiple Airlines
dom. 2/95:35 amIAH - ONT
1 stop6h 52mMultiple Airlines
Deal found 1/23$333

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 2,558,603 searches. Data last updated enero 23, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioHouston

ONT - IAH

ONTIAH

Ontario

jue. 2/6

8:11 pm-11:34 pm

1 stop25h 23m

Houston George Bush Intcntl

lun. 2/10

7:10 pm-8:46 pm

Nonstop3h 36m

$117

OntarioHouston

ONT - IAH

ONTIAH

Ontario

jue. 2/20

1:44 pm-11:58 pm

1 stop8h 14m

Houston George Bush Intcntl

jue. 2/27

8:15 pm-9:59 pm

Nonstop3h 44m

$247

OntarioHouston

ONT - IAH

ONTIAH

Ontario

mar. 2/25

1:21 pm-9:40 pm

1 stop6h 19m

Houston George Bush Intcntl

jue. 2/27

7:35 pm-11:51 pm

1 stop6h 16m

$257

OntarioHouston

ONT - IAH

ONTIAH

Ontario

mié. 2/19

12:50 pm-10:43 pm

2 stops7h 53m

Houston George Bush Intcntl

mié. 2/26

9:05 am-6:26 pm

2 stops11h 21m

$292

OntarioHouston

ONT - IAH

ONTIAH

Ontario

jue. 2/6

7:00 am-11:59 pm

2 stops14h 59m

Houston George Bush Intcntl

dom. 2/9

5:35 am-10:27 am

1 stop6h 52m

$333

OntarioHouston

ONT - IAH

ONTIAH

Ontario

mié. 2/19

6:00 am-11:59 pm

1 stop15h 59m

Houston George Bush Intcntl

mié. 2/26

7:25 am-4:59 pm

2 stops11h 34m

$388

OntarioHouston

ONT - IAH

ONTIAH

Ontario

mar. 5/6

12:59 am-11:53 pm

1 stop20h 54m

$65

OntarioHouston

ONT - IAH

ONTIAH

Ontario

mar. 4/22

6:05 am-11:08 am

Nonstop3h 03m

$109

OntarioHouston

ONT - IAH

ONTIAH

Ontario

mar. 3/11

12:49 pm-10:55 pm

2 stops8h 06m

$124

OntarioHouston

ONT - IAH

ONTIAH

Ontario

mar. 2/25

6:00 am-3:48 pm

1 stop7h 48m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 11 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 January.
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 Accuracy2 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 January 17, 2025.

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 $339). 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 enero 23, 2025.

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 68% 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 January 21, 2025.

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

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 enero 23, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Frontier 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
9,699 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,699 reviews
Alaska Airlines
8.0
Very good
9,699 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,508 reviews
Alaska Airlines
8.0
Very good
9,699 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,971 reviews
Alaska Airlines
8.0
Very good
9,699 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,699 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Frontier
6.1
Okay
3,440 reviews
Alaska Airlines
8.0
Very good
9,699 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $117. Other airlines that can offer you cheap pricing are United Airlines, from $247, and Delta, from $257. Users have found that Frontier is 53% 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 ($65), United Airlines ($109), and American Airlines ($124).

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

    Looking at all options, your cheapest flight can be booked for $63. While the most popular route (Ontario - Houston George Bush Intcntl) can be booked for $83 on average our data indicates $867 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 $339). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Spring
Humble
Jersey Village
The Woodlands
Conroe
Tomball
Montgomery
Katy
Cypress

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 Diego to Hobby flights
Sacramento to Hobby flights
San Jose to Hobby flights
Oakland to Hobby flights
Burbank to Hobby flights
Burbank to George Bush Intcntl flights
San Diego to George Bush Intcntl flights
Sacramento to George Bush Intcntl flights
Oakland to George Bush Intcntl flights
San Jose to George Bush Intcntl flights
Las Vegas to Hobby flights
Las Vegas to George Bush Intcntl flights
Fresno to Hobby flights
Reno to Hobby flights
Palm Springs 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
Santa Barbara to Hobby flights
Monterey to Hobby flights
Santa Barbara to George Bush Intcntl flights
Medford to Hobby flights
Bakersfield to Hobby flights
Monterey to George Bush Intcntl flights
Santa Rosa to Hobby flights
Bakersfield to George Bush Intcntl flights
Redding to George Bush Intcntl flights
Santa Rosa to George Bush Intcntl flights
San Luis Obispo to Hobby flights
San Luis Obispo to George Bush Intcntl flights
Medford to George Bush Intcntl flights
Tijuana to Hobby flights
Yuma to Hobby 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 2,558,603 searches. Data last updated enero 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$90Average$211FlexibilityNo cancel feeOn-time65%
FrontierCheapest$91Average$172FlexibilityNo cancel feeOn-time62%
DeltaCheapest$99Average$396FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$215Average$410FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$247Average$420FlexibilityNo 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.