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Cheap flights from Houston George Bush Intcntl Airport to Ontario from $197

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Ontario departing on 7/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston George Bush Intcntl Airport to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:42 pm - 9:40 am
IAH
-
YTZ
13h 58m
1 stop
Multiple Airlines Logo
8:40 pm - 5:47 pm
YTZ
-
IAH
22h 07m
1 stop
$344Multiple Airlines
Thu, Sep 17 - Mon, Sep 21
Multiple Airlines Logo
8:20 am - 2:05 pm
IAH
-
YYZ
28h 45m
1 stop
Multiple Airlines Logo
6:30 am - 10:39 pm
YYZ
-
IAH
41h 09m
2 stops
$353Multiple Airlines
Wed, Jul 22 - Tue, Jul 28
Multiple Airlines Logo
9:58 pm - 1:05 pm
IAH
-
YTZ
14h 07m
1 stop
Multiple Airlines Logo
8:50 am - 8:52 pm
YTZ
-
IAH
13h 02m
1 stop
$354Multiple Airlines
Tue, Jun 23 - Thu, Jun 25
WestJet Logo
6:30 am - 7:50 pm
IAH
-
YKF
12h 20m
1 stop
WestJet Logo
8:40 pm - 10:40 pm
YKF
-
IAH
27h 00m
1 stop
$521WestJet
Wed, May 27 - Sun, May 31
American Airlines Logo
6:02 am - 4:53 pm
IAH
-
YUL
9h 51m
1 stop
American Airlines Logo
12:30 pm - 11:52 pm
YUL
-
IAH
12h 22m
1 stop
$526American Airlines
Sat, May 30 - Wed, Jun 3
WestJet Logo
6:30 am - 5:15 pm
IAH
-
YHM
9h 45m
1 stop
WestJet Logo
6:10 pm - 1:55 pm
YHM
-
IAH
20h 45m
1 stop
$542WestJet
Wed, May 27 - Fri, May 29
Delta Logo
7:00 am - 8:39 am
IAH
-
YUL
24h 39m
1 stop
Delta Logo
9:30 am - 9:49 am
YUL
-
IAH
25h 19m
1 stop
$552Delta
Tue, Aug 18 - Sat, Aug 22
American Airlines Logo
6:02 am - 4:53 pm
IAH
-
YUL
9h 51m
1 stop
American Airlines Logo
12:30 pm - 11:52 pm
YUL
-
IAH
12h 22m
1 stop
$554American Airlines
Sat, May 30 - Wed, Jun 3
Air Canada Logo
7:20 am - 2:55 pm
IAH
-
YXU
6h 35m
1 stop
Air Canada Logo
5:40 am - 11:07 am
YXU
-
IAH
6h 27m
1 stop
$749Air Canada
Tue, Sep 22 - Sat, Sep 26
Air Canada Logo
10:00 am - 9:40 pm
IAH
-
YXU
10h 40m
2 stops
Air Canada Logo
5:40 am - 11:07 am
YXU
-
IAH
6h 27m
1 stop
$758Air Canada
Tue, Sep 22 - Sat, Sep 26

American Airlines flights from Houston George Bush Intcntl Airport to Region of Ontario

Our best American Airlines deals on Houston George Bush Intcntl Airport to Region of Ontario flight tickets
American Airlines
Jun 3
IAH6:10 amHouston George Bush Intcntl
10h 34m
1 stop
YYZ5:44 pmToronto Pearson Intl
Jun 16
YYZ1:15 pmToronto Pearson Intl
11h 44m
1 stop
IAH11:59 pmHouston George Bush Intcntl
$441
American Airlines
Jun 3
IAH11:08 amHouston George Bush Intcntl
11h 16m
1 stop
YYZ11:24 pmToronto Pearson Intl
Jun 10
YYZ3:13 pmToronto Pearson Intl
9h 46m
1 stop
IAH11:59 pmHouston George Bush Intcntl
$443
American Airlines
May 28
IAH1:29 pmHouston George Bush Intcntl
8h 55m
1 stop
YYZ11:24 pmToronto Pearson Intl
Jun 2
YYZ11:39 amToronto Pearson Intl
13h 13m
1 stop
IAH11:52 pmHouston George Bush Intcntl
$456

WestJet flights from Houston George Bush Intcntl Airport to Region of Ontario

Our best WestJet deals on Houston George Bush Intcntl Airport to Region of Ontario flight tickets
WestJet
Jun 16
IAH6:30 amHouston George Bush Intcntl
12h 25m
2 stops
YYZ7:55 pmToronto Pearson Intl
Jun 18
YYZ12:40 pmToronto Pearson Intl
11h 00m
2 stops
IAH10:40 pmHouston George Bush Intcntl
$449
WestJet
Jun 9
IAH6:30 amHouston George Bush Intcntl
22h 05m
1 stop
YOW5:35 amOttawa
Jun 11
YOW7:20 amOttawa
16h 20m
1 stop
IAH10:40 pmHouston George Bush Intcntl
$530
WestJet
May 27
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YHM5:15 pmHamilton
May 29
YHM6:10 pmHamilton
20h 45m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$542

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Region of 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, momondo users made 832,500 searches. Data last updated May 9, 2026.
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

Cheapest round-trip

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Thu 9/17

6:42 pm-9:40 am

1 stop13h 58m

Toronto Island

Mon 9/21

8:40 pm-5:47 pm

1 stop22h 07m

$344

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Wed 7/22

8:20 am-2:05 pm

1 stop28h 45m

Toronto Pearson Intl

Tue 7/28

6:30 am-10:39 pm

2 stops41h 09m

$353

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 6/23

9:58 pm-1:05 pm

1 stop14h 07m

Toronto Island

Thu 6/25

8:50 am-8:52 pm

1 stop13h 02m

$354

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Wed 5/27

6:30 am-7:50 pm

1 stop12h 20m

Toronto Region of Waterloo Intl

Sun 5/31

8:40 pm-10:40 pm

1 stop27h 00m

$521

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Sat 5/30

6:02 am-4:53 pm

1 stop9h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 6/3

12:30 pm-11:52 pm

1 stop12h 22m

$526

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Wed 5/27

6:30 am-5:15 pm

1 stop9h 45m

Hamilton

Fri 5/29

6:10 pm-1:55 pm

1 stop20h 45m

$542

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Tue 8/18

7:00 am-8:39 am

1 stop24h 39m

Montreal Pierre Elliott Trudeau Intl

Sat 8/22

9:30 am-9:49 am

1 stop25h 19m

$552

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Sat 5/30

6:02 am-4:53 pm

1 stop9h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 6/3

12:30 pm-11:52 pm

1 stop12h 22m

$554
Quickest round-trip

HoustonLondon

IAH - YXU

IAHYXU

Houston George Bush Intcntl

Tue 9/22

7:20 am-2:55 pm

1 stop6h 35m

London

Sat 9/26

5:40 am-11:07 am

1 stop6h 27m

$749

HoustonLondon

IAH - YXU

IAHYXU

Houston George Bush Intcntl

Tue 9/22

10:00 am-9:40 pm

2 stops10h 40m

London

Sat 9/26

5:40 am-11:07 am

1 stop6h 27m

$758

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ontario from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Region of Ontario?

The month of November is, on average, the cheapest month to fly to Region of Ontario from Houston George Bush Intcntl Airport, with most prices found around $76. If you aren’t able to travel during the month of November, then book flights to Region of Ontario from Houston George Bush Intcntl Airport during December instead. Flights to Region of Ontario in December, while not as cheap as those in November, still average around $191.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Friday is the cheapest day to fly to Region of Ontario from Houston George Bush Intcntl Airport. The lowest ticket price found for a Friday departure recently was $816. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Houston George Bush Intcntl Airport to Region of Ontario on a Saturday will generally be more expensive and average around $883. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is in the afternoon. momondo users have found flights departing from Houston George Bush Intcntl Airport to Region of Ontario in the afternoon for as low as $697. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,499.

What is the cheapest Houston George Bush Intcntl to Ontario flight route?

Fly from Houston George Bush Intcntl to Toronto Pearson Intl for the best Houston George Bush Intcntl - Ontario flight prices

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

You are more likely to see cheaper flights to Region of Ontario from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $639 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Houston George Bush Intcntl Airport for as low as $476 on momondo.

Can stopping save me money on Houston George Bush Intcntl Airport to Region of Ontario flights?

You could potentially save up to 16% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Region of Ontario flight.

Cheap Houston George Bush Intcntl Airport to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Region of Ontario

Best Price Found

$431

Fastest flight time

3h 09m

Direct flights

Every day

Airports in Region of Ontario

125 airports
The best one-way flight to Region of Ontario from Houston George Bush Intcntl Airport in the past 72 hours is $431. The best round-trip flight deal from Houston George Bush Intcntl Airport to Region of Ontario found on momondo in the last 72 hours is $745.
The fastest flight from Houston George Bush Intcntl Airport to Region of Ontario takes 3h 09m
Direct flights go from Houston George Bush Intcntl Airport to Region of Ontario every day.
There are 125 airports in Region of Ontario. From Houston George Bush Intcntl Airport there are direct flights to Toronto Pearson Intl (YYZ).
Search flight deals

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Ontario

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Ontario?

    Prices for flights from Houston George Bush Intcntl Airport to Ontario refresh daily.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Ontario?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Ontario?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Houston George Bush Intcntl Airport to Region of Ontario?

Best airlines flying from Houston George Bush Intcntl Airport to Region of Ontario

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom $236Free CancellationRating
7.2
3,332 reviews
Search WestJet flights
Air CanadaPriceFrom $263Free CancellationRating
7.1
11,008 reviews
Search Air Canada flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights
American AirlinesPriceFrom $384Free CancellationRating
7.1
11,670 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Houston.

Can I find flights from Houston to Ontario with flexible booking policies on momondo?

Flights from Houston to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to Ontario?

Once you have performed a search for Houston to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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