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

The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $180. However, be on the lookout for offers from Air Canada and American Airlines, as they are both options that can get you from Houston George Bush Intcntl Airport to Region of Ontario for a low price.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

If weather is an important factor for your trip to Region of Ontario, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

What are the most popular routes from Houston George Bush Intcntl Airport to Region of Ontario?

The most popular flight routes from Houston George Bush Intcntl Airport to Region of Ontario are Houston George Bush Intcntl - Toronto Pearson Intl, Houston George Bush Intcntl - Montreal Pierre Elliott Trudeau Intl and Houston George Bush Intcntl - Toronto Island.

What are the most reliable airlines from Houston George Bush Intcntl Airport to Region of Ontario?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Houston George Bush Intcntl Airport to Region of Ontario on time: Brussels Airlines (100%), United Airlines (68%), Air Canada (65%).

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

When booking a flight from Houston George Bush Intcntl Airport to Region of Ontario, you may want to consider flying on Air Canada, United Airlines or Delta as they are the most popular for this route.

Can I find deals for flights from George Bush Intcntl to Ontario that include hotel bookings?

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

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

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

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

Yes. Cheapflights offers flight deals from George Bush Intcntl 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.

$132+ Flights from Houston George Bush Intcntl Airport to Ontario

Q: How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Region of Ontario?

Airfare is below average for this route at the moment. Houston George Bush Intcntl Airport to Region of Ontario flights typically cost between $463 and $734 in January. The cheapest round-trip price found within the last 3 days was $278 on Multiple Airlines (Jan 7-Jan 12).

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Cheap flight deals from George Bush Intcntl to Ontario

Cheapest flights from George Bush Intcntl to Ontario
Explore the most affordable flight options available from George Bush Intcntl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2025.

Wed 12/3112:50 pmIAH - YYZ

1 stop7h 29mMultiple Airlines

Wed 1/73:40 pmYYZ - IAH

1 stop22h 39mMultiple Airlines

Deal found 12/20

$407

Wed 12/3112:50 pmIAH - YYZ

1 stop7h 29mMultiple Airlines

Tue 1/63:40 pmYYZ - IAH

1 stop18h 23mMultiple Airlines

Deal found 12/20

$413

Tue 12/308:36 amIAH - YYZ

1 stop14h 19mMultiple Airlines

Tue 1/63:40 pmYYZ - IAH

1 stop18h 23mMultiple Airlines

Deal found 12/20

$424

Wed 12/3112:50 pmIAH - YYZ

1 stop7h 29mMultiple Airlines

Mon 1/58:30 pmYYZ - IAH

1 stop26h 24mMultiple Airlines

Deal found 12/20

$433

Mon 12/298:36 amIAH - YYZ

1 stop12h 19mMultiple Airlines

Tue 1/63:40 pmYYZ - IAH

1 stop18h 23mMultiple Airlines

Deal found 12/20

$443

Tue 12/308:36 amIAH - YYZ

1 stop14h 19mMultiple Airlines

Mon 1/58:30 pmYYZ - IAH

1 stop26h 24mMultiple Airlines

Deal found 12/20

$448

Sun 12/2810:44 amIAH - YUL

2 stops32h 51mMultiple Airlines

Mon 1/128:00 amYUL - IAH

1 stop25h 40mMultiple Airlines

Deal found 12/20

$509

Mon 12/299:34 pmIAH - YTZ

2 stops23h 29mMultiple Airlines

Mon 1/59:20 amYTZ - IAH

1 stop9h 03mMultiple Airlines

Deal found 12/20

$559

Fri 12/269:34 pmIAH - YOW

1 stop25h 24mMultiple Airlines

Wed 12/314:20 pmYOW - IAH

2 stops25h 45mMultiple Airlines

Deal found 12/20

$623

Sat 12/278:36 amIAH - YHM

1 stop13h 07mMultiple Airlines

Wed 12/317:25 amYHM - IAH

2 stops26h 00mMultiple Airlines

Deal found 12/20

$663

Tue 12/235:46 amIAH - YUL

1 stop17h 44mMultiple Airlines

Sat 1/104:35 pmYUL - IAH

1 stop7h 59mMultiple Airlines

Deal found 12/19

$673

Tue 12/308:57 pmIAH - YTZ

1 stop15h 45mMultiple Airlines

Mon 1/53:45 pmYTZ - IAH

1 stop8h 31mMultiple Airlines

Deal found 12/20

$723

Best flights from George Bush Intcntl to Ontario
Discover carefully curated flight deals from George Bush Intcntl to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2025.

Tue 1/208:45 amIAH - YOW

1 stop7h 28mMultiple Airlines

Tue 1/277:00 amYOW - IAH

1 stop14h 23mMultiple Airlines

Deal found 12/21

$260

Sat 5/28:00 amIAH - YKF

1 stop15h 45mWestJet

Sat 5/96:00 amYKF - IAH

1 stop17h 40mWestJet

Deal found 12/19

$287

Tue 1/138:05 pmIAH - YHM

2 stops17h 55mMultiple Airlines

Mon 1/197:25 amYHM - IAH

1 stop26h 15mMultiple Airlines

Deal found 12/21

$260

Wed 3/115:23 amIAH - YYZ

2 stops11h 01mDelta

Thu 3/196:00 amYYZ - IAH

2 stops13h 28mDelta

Deal found 12/21

$522

Fri 1/235:55 pmIAH - YYZ

2 stops20h 40mAlaska Airlines

Mon 1/264:45 pmYYZ - IAH

1 stop32h 09mAlaska Airlines

Deal found 12/21

$531

Thu 1/227:45 amIAH - YOW

1 stop8h 40mMultiple Airlines

Wed 1/284:15 pmYOW - IAH

1 stop8h 43mMultiple Airlines

Deal found 12/21

$264

Tue 1/134:35 pmIAH - YHM

1 stop21h 25mMultiple Airlines

Sat 1/177:25 amYHM - IAH

1 stop30h 55mMultiple Airlines

Deal found 12/21

$266

Thu 1/226:20 pmIAH - YHM

1 stop18h 02mWestJet

Wed 1/286:10 pmYHM - IAH

1 stop19h 34mWestJet

Deal found 12/21

$327

Thu 1/154:35 pmIAH - YUL

1 stop22h 47mMultiple Airlines

Mon 1/198:00 amYUL - IAH

1 stop25h 40mMultiple Airlines

Deal found 12/20

$284

Wed 1/286:20 pmIAH - YUL

1 stop11h 45mWestJet

Thu 2/57:30 pmYUL - IAH

1 stop18h 15mWestJet

Deal found 12/21

$345

Mon 1/195:05 amIAH - YOW

2 stops32h 53mMultiple Airlines

Mon 2/24:15 pmYOW - IAH

1 stop17h 25mMultiple Airlines

Deal found 12/20

$289

Fri 2/276:20 pmIAH - YKF

1 stop10h 09mWestJet

Mon 3/26:20 amYKF - IAH

1 stop12h 10mWestJet

Deal found 12/20

$354

Thu 1/228:19 pmIAH - YHM

1 stop17h 01mMultiple Airlines

Wed 1/287:25 amYHM - IAH

1 stop13h 58mMultiple Airlines

Deal found 12/21

$293

Thu 2/52:26 pmIAH - YXU

2 stops17h 20mAir Canada

Sun 2/85:10 amYXU - IAH

2 stops14h 31mAir Canada

Deal found 12/19

$960

Thu 2/57:20 amIAH - YXU

2 stops13h 01mUnited Airlines

Sun 2/89:25 amYXU - IAH

2 stops13h 03mUnited Airlines

Deal found 12/20

$970

Tue 5/268:00 amIAH - YKF

1 stop15h 45mWestJet

Sat 5/306:00 amYKF - IAH

1 stop17h 40mWestJet

Deal found 12/21

$367

Tue 3/105:23 amIAH - YYZ

2 stops11h 01mDelta

Wed 3/186:00 amYYZ - IAH

2 stops12h 49mDelta

Deal found 12/21

$522

Wed 4/85:45 amIAH - YYZ

1 stop16h 35mMultiple Airlines

Wed 4/221:30 pmYYZ - IAH

2 stops17h 24mMultiple Airlines

Deal found 12/20

$298

Wed 4/86:20 pmIAH - YUL

1 stop11h 45mWestJet

Wed 4/224:15 pmYUL - IAH

1 stop21h 30mWestJet

Deal found 12/20

$379

Tue 3/107:05 amIAH - YYZ

1 stop9h 44mDelta

Sun 3/226:49 pmYYZ - IAH

1 stop15h 21mDelta

Deal found 12/21

$528

Sun 1/188:16 pmIAH - YUL

2 stops22h 58mMultiple Airlines

Sun 1/258:00 amYUL - IAH

1 stop25h 40mMultiple Airlines

Deal found 12/21

$308

Fri 5/88:00 amIAH - YKF

1 stop15h 45mWestJet

Mon 5/186:00 amYKF - IAH

1 stop17h 40mWestJet

Deal found 12/21

$386

Sun 1/187:15 amIAH - YYZ

2 stops14h 41mDelta

Fri 1/236:06 amYYZ - IAH

1 stop16h 50mDelta

Deal found 12/21

$536

Thu 3/196:20 pmIAH - YHM

1 stop18h 01mWestJet

Wed 3/256:10 pmYHM - IAH

1 stop19h 35mWestJet

Deal found 12/21

$387

Mon 1/56:09 pmIAH - YYZ

2 stops27h 31mMultiple Airlines

Fri 1/97:10 amYYZ - IAH

1 stop27h 51mMultiple Airlines

Deal found 12/19

$323

Fri 1/236:20 pmIAH - YKF

1 stop10h 08mWestJet

Mon 1/266:20 amYKF - IAH

1 stop12h 09mWestJet

Deal found 12/20

$390

Thu 2/194:20 pmIAH - YUL

2 stops31h 18mMultiple Airlines

Mon 2/235:25 pmYUL - IAH

2 stops15h 35mMultiple Airlines

Deal found 12/20

$324

Fri 1/237:27 pmIAH - YTZ

1 stop15h 13mMultiple Airlines

Mon 1/269:20 amYTZ - IAH

1 stop10h 02mMultiple Airlines

Deal found 12/20

$324

Fri 1/306:20 pmIAH - YUL

1 stop11h 45mWestJet

Tue 2/36:45 amYUL - IAH

2 stops35h 45mWestJet

Deal found 12/21

$411

Fri 1/164:15 pmIAH - YOW

2 stops24h 10mMultiple Airlines

Sun 1/187:00 amYOW - IAH

1 stop14h 23mMultiple Airlines

Deal found 12/20

$336

Last-minute flights from George Bush Intcntl to Ontario
Discover last-minute flight deals from George Bush Intcntl to Ontario. Data last updated December 22, 2025 and is based on user searches.

Thu 1/88:13 pmIAH - YUL

2 stops27h 22mMultiple Airlines

Wed 1/148:00 amYUL - IAH

1 stop30h 20mMultiple Airlines

Deal found 12/20

$258

Fri 1/96:20 pmIAH - YUL

1 stop11h 45mMultiple Airlines

Wed 1/148:00 amYUL - IAH

1 stop30h 20mMultiple Airlines

Deal found 12/20

$254

Fri 1/96:20 pmIAH - YUL

1 stop11h 45mMultiple Airlines

Sun 1/118:00 amYUL - IAH

1 stop25h 40mMultiple Airlines

Deal found 12/20

$263

Fri 1/96:20 pmIAH - YUL

1 stop11h 45mMultiple Airlines

Mon 1/128:00 amYUL - IAH

1 stop25h 40mMultiple Airlines

Deal found 12/20

$264

Tue 1/134:35 pmIAH - YHM

1 stop21h 25mMultiple Airlines

Mon 1/197:25 amYHM - IAH

1 stop26h 15mMultiple Airlines

Deal found 12/21

$239

Tue 1/134:35 pmIAH - YHM

1 stop21h 25mMultiple Airlines

Sat 1/177:25 amYHM - IAH

1 stop30h 55mMultiple Airlines

Deal found 12/21

$266

Fri 1/166:20 pmIAH - YUL

1 stop11h 45mMultiple Airlines

Wed 1/218:00 amYUL - IAH

1 stop30h 10mMultiple Airlines

Deal found 12/20

$257

Fri 1/166:20 pmIAH - YUL

1 stop11h 45mMultiple Airlines

Tue 1/206:45 amYUL - IAH

2 stops14h 38mMultiple Airlines

Deal found 12/20

$266

Fri 1/166:20 pmIAH - YUL

1 stop11h 45mMultiple Airlines

Sat 1/1710:15 amYUL - IAH

2 stops11h 08mMultiple Airlines

Deal found 12/20

$268

Mon 1/198:16 pmIAH - YOW

1 stop19h 57mMultiple Airlines

Mon 2/24:15 pmYOW - IAH

1 stop17h 25mMultiple Airlines

Deal found 12/20

$265

Tue 1/208:45 amIAH - YOW

1 stop7h 28mMultiple Airlines

Tue 1/277:00 amYOW - IAH

1 stop14h 23mMultiple Airlines

Deal found 12/21

$260

Thu 1/227:45 amIAH - YOW

1 stop8h 40mMultiple Airlines

Wed 1/284:15 pmYOW - IAH

1 stop8h 43mMultiple Airlines

Deal found 12/21

$264

One-way flights from George Bush Intcntl to Ontario
Search for one-way flight options from George Bush Intcntl to Ontario. Find affordable one-way fares based on user searches. Data last updated December 22, 2025.

Thu 1/154:35 pmIAH - YUL

1 stop22h 47mMultiple Airlines

Deal found 12/20

$132

Sun 1/1810:26 amIAH - YTZ

1 stop26h 21mMultiple Airlines

Deal found 12/21

$132

Sat 4/47:35 amIAH - YYZ

1 stop14h 45mMultiple Airlines

Deal found 12/20

$132

Thu 2/58:00 amIAH - YYZ

3 stops20h 58mMultiple Airlines

Deal found 12/21

$133

Wed 1/146:20 pmIAH - YKF

1 stop10h 08mWestJet

Deal found 12/20

$140

Sat 2/146:05 amIAH - YYZ

1 stop14h 24mAmerican Airlines

Deal found 12/21

$147

Sat 1/174:35 pmIAH - YTZ

2 stops28h 28mMultiple Airlines

Deal found 12/21

$148

Tue 1/68:13 pmIAH - YYZ

1 stop14h 33mMultiple Airlines

Deal found 12/21

$148

Sat 1/174:15 pmIAH - YYZ

3 stops21h 05mMultiple Airlines

Deal found 12/21

$150

Wed 1/147:45 amIAH - YTZ

2 stops13h 18mMultiple Airlines

Deal found 12/20

$154

Thu 4/21:35 pmIAH - YYZ

1 stop9h 51mWestJet

Deal found 12/20

$157

Sun 1/1110:28 pmIAH - YYZ

3 stops44h 08mMultiple Airlines

Deal found 12/21

$160

Find flight deals from George Bush Intcntl to Ontario

Round-trip from	$239 (Kiwi.com)
One-way from	$132 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$676
Good round-trip deal	$741 or less
Good one-way deal	$349 or less

From Houston George Bush Intcntl to Ontario

Search Deals

One-way flight from Houston George Bush Intcntl to Ontario

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($73 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

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Price to beat on a round-trip flight from Houston George Bush Intcntl to Ontario.

Search Deals

Price to beat on a one-way flight from Houston George Bush Intcntl to Ontario.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 1/20

8:45 am-5:13 pm

1 stop7h 28m

Ottawa

Tue 1/27

7:00 am-8:23 pm

1 stop14h 23m

$260

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Tue 1/13

8:05 pm-3:00 pm

2 stops17h 55m

Hamilton

Mon 1/19

7:25 am-8:40 am

1 stop26h 15m

$260

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 1/22

7:45 am-5:25 pm

1 stop8h 40m

Ottawa

Wed 1/28

4:15 pm-11:58 pm

1 stop8h 43m

$264

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Tue 1/13

4:35 pm-3:00 pm

1 stop21h 25m

Hamilton

Sat 1/17

7:25 am-1:20 pm

1 stop30h 55m

$266

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 1/15

4:35 pm-4:22 pm

1 stop22h 47m

Montreal Pierre Elliott Trudeau Intl

Mon 1/19

8:00 am-8:40 am

1 stop25h 40m

$284

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Sat 5/2

8:00 am-12:45 am

1 stop15h 45m

Toronto Region of Waterloo Intl

Sat 5/9

6:00 am-10:40 pm

1 stop17h 40m

$287

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 1/19

5:05 am-2:58 pm

2 stops32h 53m

Ottawa

Mon 2/2

4:15 pm-8:40 am

1 stop17h 25m

$289

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Thu 1/22

8:19 pm-2:20 pm

1 stop17h 01m

Hamilton

Wed 1/28

7:25 am-8:23 pm

1 stop13h 58m

$293

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Wed 4/8

5:45 am-11:20 pm

1 stop16h 35m

Toronto Pearson Intl

Wed 4/22

1:30 pm-5:54 am

2 stops17h 24m

$298

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Sun 1/18

8:16 pm-8:14 pm

2 stops22h 58m

Montreal Pierre Elliott Trudeau Intl

Sun 1/25

8:00 am-8:40 am

1 stop25h 40m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 60 results

...

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

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

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Ontario

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

Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of $186). Flying from Houston George Bush Intcntl Airport to Region of Ontario in September is currently the most expensive (average of $278). 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 IAH to ON?

It’s typically best to fly out from Houston George Bush Intcntl Airport to Region of Ontario in the evening. Doing so could potentially save you 74% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from Houston George Bush Intcntl Airport to Region of Ontario

The most flights from IAH to CAON are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Region of Ontario?

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Houston George Bush Intcntl Airport to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,013 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,013 reviews

Delta

7.9

Good

8,013 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,102 reviews

Delta

7.9

Good

8,013 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,053 reviews

Delta

7.9

Good

8,013 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Air Canada

7.1

Good

10,551 reviews

Delta

7.9

Good

8,013 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from Houston George Bush Intcntl Airport to Region of Ontario?
WestJet can get you from Houston George Bush Intcntl Airport to Region of Ontario in just under 15h 45m. Your travel time can differ by up to . The distance from Houston George Bush Intcntl Airport to Region of Ontario is about 1241 mi.
What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Region of Ontario one-way?
The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $180. However, be on the lookout for offers from Air Canada and American Airlines, as they are both options that can get you from Houston George Bush Intcntl Airport to Region of Ontario for a low price.
What are the most popular routes from Houston George Bush Intcntl Airport to Region of Ontario?
The most popular flight routes from Houston George Bush Intcntl Airport to Region of Ontario are Houston George Bush Intcntl - Toronto Pearson Intl, Houston George Bush Intcntl - Montreal Pierre Elliott Trudeau Intl and Houston George Bush Intcntl - Toronto Island.
What are the most reliable airlines from Houston George Bush Intcntl Airport to Region of Ontario?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Houston George Bush Intcntl Airport to Region of Ontario on time: Brussels Airlines (100%), United Airlines (68%), Air Canada (65%).
What are the cheapest flights from Houston George Bush Intcntl Airport to Region of Ontario?
On average you can expect to pay $932 for a flight from Houston George Bush Intcntl Airport to Region of Ontario. The cheapest flight overall is $275 while the most popular route, (Houston George Bush Intcntl - Toronto Pearson Intl) is currently priced at $202.
Can I find deals for flights from George Bush Intcntl to Ontario that include hotel bookings?
Yes. In addition to deals on George Bush Intcntl to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from George Bush Intcntl to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Ontario.
Can I find deals for business class flights from George Bush Intcntl to Ontario?
Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport to Region of Ontario?
Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of $186). Flying from Houston George Bush Intcntl Airport to Region of Ontario in September is currently the most expensive (average of $278). 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

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Alternative routes for George Bush Intcntl to Ontario

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Complete your trip

Region of Ontario car rentals

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Top 4 airlines flying from George Bush Intcntl to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$218	Average$562	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$253	Average$618	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$268	Average$767	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$453	Average$582	FlexibilityNo cancel fee	On-time71%

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$132+ Cheap flights from George Bush Intcntl (IAH) to Ontario

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from George Bush Intcntl to Ontario

Cheapest flights from George Bush Intcntl to OntarioExplore the most affordable flight options available from George Bush Intcntl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2025.

Explore the most affordable flight options available from George Bush Intcntl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2025.

Find flight deals from George Bush Intcntl to Ontario

Keep the following information in mind while searching for George Bush Intcntl to Ontario flight deals. Data was last updated December 22, 2025.

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Everything you need to know about your flight from Houston George Bush Intcntl Airport to Ontario

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

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

Find hourly flight availability from George Bush Intcntl 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, 2025.

Weekly flight availability from Houston George Bush Intcntl Airport to Region of Ontario

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Reviews of airlines servicing Ontario

Related info for your journey

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

How long is the flight from Houston George Bush Intcntl Airport to Region of Ontario?

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What are the most popular routes from Houston George Bush Intcntl Airport to Region of Ontario?

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

Can I find deals for flights from George Bush Intcntl to Ontario that include hotel bookings?

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

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Top 4 airlines flying from George Bush Intcntl to Ontario

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Cheapest flights from George Bush Intcntl to Ontario
Explore the most affordable flight options available from George Bush Intcntl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2025.