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Cheap flights from Houston George Bush Intcntl Airport to Ontario from C$ 143
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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — YYZ
3 Aug — 10 Aug1
Round-trip
1 adult
Economy
Cheap 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 29 July 2025.
Find 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 29 July 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 29 July 2025.
Thu 11/95:25 a.m.IAH - YUL
1 stop7h 55mMultiple Airlines
Thu 18/96:45 a.m.YUL - IAH
2 stops26h 39mMultiple Airlines
Deal found 28/7C$ 447
Fri 10/105:05 p.m.IAH - YTZ
1 stop18h 12mMultiple Airlines
Fri 17/108:45 a.m.YTZ - IAH
2 stops11h 14mMultiple Airlines
Deal found 27/7C$ 457
Sun 31/89:01 p.m.IAH - YYZ
1 stop10h 32mMultiple Airlines
Sat 6/97:55 a.m.YYZ - IAH
1 stop10h 03mMultiple Airlines
Deal found 27/7C$ 457
Tue 26/85:30 a.m.IAH - YOW
1 stop10h 50mMultiple Airlines
Tue 2/94:25 p.m.YOW - IAH
1 stop16h 44mMultiple Airlines
Deal found 27/7C$ 476
Thu 27/111:35 p.m.IAH - YOW
1 stop10h 10mWestJet
Sat 29/116:00 a.m.YOW - IAH
1 stop12h 29mWestJet
Deal found 27/7C$ 498
Wed 15/103:00 p.m.IAH - YYZ
1 stop14h 12mWestJet
Mon 20/106:30 p.m.YYZ - IAH
1 stop20h 40mWestJet
Deal found 27/7C$ 514
Fri 10/103:00 p.m.IAH - YKF
1 stop13h 15mMultiple Airlines
Fri 17/106:00 a.m.YKF - IAH
1 stop17h 43mMultiple Airlines
Deal found 27/7C$ 538
Sun 14/98:00 a.m.IAH - YKF
1 stop15h 45mWestJet
Sat 27/96:00 a.m.YKF - IAH
1 stop17h 43mWestJet
Deal found 29/7C$ 569
Mon 22/98:00 a.m.IAH - YHM
1 stop15h 40mWestJet
Sat 27/96:00 a.m.YHM - IAH
1 stop17h 43mWestJet
Deal found 28/7C$ 573
Tue 19/810:00 p.m.IAH - YHM
3 stops25h 41mMultiple Airlines
Sat 23/86:00 a.m.YHM - IAH
2 stops25h 05mMultiple Airlines
Deal found 29/7C$ 691
Mon 8/97:20 a.m.IAH - YOW
2 stops12h 49mUnited Airlines
Sat 13/97:29 p.m.YOW - IAH
2 stops14h 07mUnited Airlines
Deal found 28/7C$ 1,066
Wed 30/710:00 a.m.IAH - YOW
1 stop8h 05mAir Canada
Tue 5/82:25 p.m.YOW - IAH
1 stop6h 11mAir Canada
Deal found 29/7C$ 1,535
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 July 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Ontario that are best for you.
Fly from
George Bush Intcntl
Fly to
Ontario
Route
Depart
Return
Price
HoustonMontreal
IAH - YUL
IAHYUL
Houston George Bush Intcntl
Thu 11/9
5:25 a.m.-2:20 p.m.
1 stop7h 55m
Montreal Pierre Elliott Trudeau Intl
Thu 18/9
6:45 a.m.-8:24 a.m.
2 stops26h 39m
C$ 447
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Fri 10/10
5:05 p.m.-12:17 p.m.
1 stop18h 12m
Toronto Island
Fri 17/10
8:45 a.m.-6:59 p.m.
2 stops11h 14m
C$ 457
HoustonToronto
IAH - YYZ
IAHYYZ
Houston George Bush Intcntl
Sun 31/8
9:01 p.m.-8:33 a.m.
1 stop10h 32m
Toronto Pearson Intl
Sat 6/9
7:55 a.m.-4:58 p.m.
1 stop10h 03m
C$ 457
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Tue 26/8
5:30 a.m.-5:20 p.m.
1 stop10h 50m
Ottawa
Tue 2/9
4:25 p.m.-8:09 a.m.
1 stop16h 44m
C$ 476
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Thu 27/11
1:35 p.m.-12:45 a.m.
1 stop10h 10m
Ottawa
Sat 29/11
6:00 a.m.-5:29 p.m.
1 stop12h 29m
C$ 498
HoustonToronto
IAH - YYZ
IAHYYZ
Houston George Bush Intcntl
Wed 15/10
3:00 p.m.-6:12 a.m.
1 stop14h 12m
Toronto Pearson Intl
Mon 20/10
6:30 p.m.-2:10 p.m.
1 stop20h 40m
C$ 514
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Fri 10/10
3:00 p.m.-5:15 a.m.
1 stop13h 15m
Toronto Region of Waterloo Intl
Fri 17/10
6:00 a.m.-10:43 p.m.
1 stop17h 43m
C$ 538
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Sun 14/9
8:00 a.m.-12:45 a.m.
1 stop15h 45m
Toronto Region of Waterloo Intl
Sat 27/9
6:00 a.m.-10:43 p.m.
1 stop17h 43m
C$ 569
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
Mon 22/9
8:00 a.m.-12:40 a.m.
1 stop15h 40m
Hamilton
Sat 27/9
6:00 a.m.-10:43 p.m.
1 stop17h 43m
C$ 573
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
Tue 19/8
10:00 p.m.-12:41 a.m.
3 stops25h 41m
Hamilton
Sat 23/8
6:00 a.m.-6:05 a.m.
2 stops25h 05m
C$ 691
Showing 1-10 of 26 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of C$ 167). Flying from Houston George Bush Intcntl Airport to Region of Ontario in July is currently the most expensive (average of C$ 258). 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?
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 29 July 2025.
When flying from Houston George Bush Intcntl Airport to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Houston George Bush Intcntl Airport to Region of Ontario
Explore weekly flight availability from George Bush Intcntl to Ontario. 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 29 July 2025.
The most flights from IAH to CAON are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 on average).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 29 July 2025.
See what other customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Houston George Bush Intcntl Airport to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Entertainment
7.1
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Boarding
8.1
Overall
8.0
Entertainment
7.1
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Boarding
8.1
Overall
8.0
Entertainment
7.1
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Boarding
8.1
Overall
8.0
Entertainment
7.1
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Boarding
8.1
Overall
8.0
Entertainment
7.1
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Boarding
8.1
Overall
8.0
Entertainment
7.1
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Related info for your journey
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Alternative routes for George Bush Intcntl to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from George Bush Intcntl to Ontario
Discover the top 2 airlines that operate flights from George Bush Intcntl to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 July 2025.
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How does Cheapflights help users find flights from George Bush Intcntl to Ontario?
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Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl to Ontario?
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Can Cheapflights find flights from George Bush Intcntl to Ontario with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from George Bush Intcntl to Ontario, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from George Bush Intcntl to Ontario become cheaper?
Yes! Start tracking prices for George Bush Intcntl to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.