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Cheap flights from Ontario to Houston from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Houston departing on 8/26. 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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0 bags

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Find the cheapest flights from Ontario to Houston

Cheap round-trip flights

Logo
6:30 am - 10:42 pmYYZ-IAH
17h 12m1 stop
Logo
7:31 pm - 2:05 pmIAH-YYZ
17h 34m1 stop
$233
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Thu, Sep 4 - Wed, Sep 10
Logo
6:30 am - 6:12 pmYYZ-IAH
12h 42m1 stop
Logo
7:31 pm - 2:05 pmIAH-YYZ
17h 34m1 stop
$235
Find Deal
Sat, Sep 20 - Sat, Sep 27
Logo
11:00 am - 6:33 pmYYZ-IAH
8h 33m1 stop
Logo
5:37 am - 2:05 pmIAH-YYZ
7h 28m1 stop
$236
Find Deal
Fri, Sep 5 - Thu, Sep 11
Logo
7:45 am - 2:33 pmYYZ-IAH
7h 48m1 stop
Logo
5:34 am - 2:05 pmIAH-YYZ
7h 31m1 stop
$237
Find Deal
Mon, Sep 15 - Wed, Oct 15
Logo
11:00 am - 6:33 pmYYZ-IAH
8h 33m1 stop
Logo
5:37 am - 2:05 pmIAH-YYZ
7h 28m1 stop
$239
Find Deal
Fri, Sep 5 - Thu, Sep 11
WestJet Logo
6:20 am - 5:29 pmYKF-IAH
12h 09m1 stop
WestJet Logo
6:20 pm - 5:28 amIAH-YKF
10h 08m1 stop
$272WestJet
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Sat, Nov 1 - Wed, Nov 5
WestJet Logo
6:00 am - 10:43 pmYHM-IAH
17h 43m1 stop
WestJet Logo
8:00 am - 12:40 amIAH-YHM
15h 40m1 stop
$281WestJet
Find Deal
Thu, Sep 11 - Mon, Sep 15
American Airlines Logo
12:30 pm - 11:43 pmYUL-IAH
12h 13m1 stop
American Airlines Logo
3:00 pm - 11:40 amIAH-YUL
19h 40m1 stop
$386American Airlines
Find Deal
Thu, Oct 23 - Tue, Oct 28
American Airlines Logo
5:15 pm - 9:44 amYUL-IAH
17h 29m1 stop
American Airlines Logo
6:20 am - 4:33 pmIAH-YUL
9h 13m1 stop
$393American Airlines
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Fri, Sep 26 - Mon, Sep 29
United Airlines Logo
4:30 pm - 7:36 pmYUL-IAH
4h 06mnonstop
United Airlines Logo
7:00 am - 5:26 pmIAH-YUL
9h 26m1 stop
$468United Airlines
Find Deal
Mon, Aug 18 - Tue, Aug 19

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

Our best WestJet deals on Region of Ontario to Houston George Bush Intcntl Airport flight tickets
WestJet
Nov 1
YKF6:20 amToronto Region of Waterloo Intl
12h 09m
1 stop
IAH5:29 pmHouston George Bush Intcntl
Nov 5
IAH6:20 pmHouston George Bush Intcntl
10h 08m
1 stop
YKF5:28 amToronto Region of Waterloo Intl
$272
Find similar
WestJet
Sep 11
YHM6:00 amHamilton
17h 43m
1 stop
IAH10:43 pmHouston George Bush Intcntl
Sep 15
IAH8:00 amHouston George Bush Intcntl
15h 40m
1 stop
YHM12:40 amHamilton
$281
Find similar
WestJet
Sep 20
YHM6:00 amHamilton
17h 43m
1 stop
IAH10:43 pmHouston George Bush Intcntl
Sep 22
IAH8:00 amHouston George Bush Intcntl
15h 40m
1 stop
YHM12:40 amHamilton
$294
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American Airlines flights from Region of Ontario to Houston George Bush Intcntl Airport

Our best American Airlines deals on Region of Ontario to Houston George Bush Intcntl Airport flight tickets
American Airlines
Oct 23
YUL12:30 pmMontreal Pierre Elliott Trudeau Intl
12h 13m
1 stop
IAH11:43 pmHouston George Bush Intcntl
Oct 28
IAH3:00 pmHouston George Bush Intcntl
19h 40m
1 stop
YUL11:40 amMontreal Pierre Elliott Trudeau Intl
$386
Find similar
American Airlines
Sep 26
YUL5:15 pmMontreal Pierre Elliott Trudeau Intl
17h 29m
1 stop
IAH9:44 amHouston George Bush Intcntl
Sep 29
IAH6:20 amHouston George Bush Intcntl
9h 13m
1 stop
YUL4:33 pmMontreal Pierre Elliott Trudeau Intl
$393
Find similar
American Airlines
Oct 1
YUL12:31 pmMontreal Pierre Elliott Trudeau Intl
11h 49m
1 stop
IAH11:20 pmHouston George Bush Intcntl
Oct 6
IAH6:00 amHouston George Bush Intcntl
9h 39m
1 stop
YUL4:39 pmMontreal Pierre Elliott Trudeau Intl
$395
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momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Houston George Bush Intcntl Airport 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 August 7, 2025.
Use the filters below to find and compare flights from Ontario to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Thu 9/4

6:30 am-10:42 pm

1 stop17h 12m

Houston George Bush Intcntl

Wed 9/10

7:31 pm-2:05 pm

1 stop17h 34m

$233

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Sat 9/20

6:30 am-6:12 pm

1 stop12h 42m

Houston George Bush Intcntl

Sat 9/27

7:31 pm-2:05 pm

1 stop17h 34m

$235

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Fri 9/5

11:00 am-6:33 pm

1 stop8h 33m

Houston George Bush Intcntl

Thu 9/11

5:37 am-2:05 pm

1 stop7h 28m

$236

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Mon 9/15

7:45 am-2:33 pm

1 stop7h 48m

Houston George Bush Intcntl

Wed 10/15

5:34 am-2:05 pm

1 stop7h 31m

$237

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Fri 9/5

11:00 am-6:33 pm

1 stop8h 33m

Houston George Bush Intcntl

Thu 9/11

5:37 am-2:05 pm

1 stop7h 28m

$239

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Sat 11/1

6:20 am-5:29 pm

1 stop12h 09m

Houston George Bush Intcntl

Wed 11/5

6:20 pm-5:28 am

1 stop10h 08m

$272

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Thu 9/11

6:00 am-10:43 pm

1 stop17h 43m

Houston George Bush Intcntl

Mon 9/15

8:00 am-12:40 am

1 stop15h 40m

$281

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Thu 10/23

12:30 pm-11:43 pm

1 stop12h 13m

Houston George Bush Intcntl

Tue 10/28

3:00 pm-11:40 am

1 stop19h 40m

$386

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Fri 9/26

5:15 pm-9:44 am

1 stop17h 29m

Houston George Bush Intcntl

Mon 9/29

6:20 am-4:33 pm

1 stop9h 13m

$393

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Mon 8/18

4:30 pm-7:36 pm

Nonstop4h 06m

Houston George Bush Intcntl

Tue 8/19

7:00 am-5:26 pm

1 stop9h 26m

$468

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 Houston from

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

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 Houston George Bush Intcntl Airport?

The month of May is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Region of Ontario, with most prices found around $449. If you are unable to visit Houston George Bush Intcntl Airport during the month of May, then departing from Region of Ontario during the month January is also very affordable. Most momondo users find prices during this month for around $454.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Region of Ontario to Houston George Bush Intcntl Airport is on a Wednesday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Wednesday will often find tickets for as low as $485. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Monday is $572.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Region of Ontario to Houston George Bush Intcntl Airport flights are usually those with departure times at noon. Our users have found flights to Houston George Bush Intcntl Airport at noon for as low as $519. Try not to purchase tickets in the evening because they tend to be around $552. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $495 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Region of Ontario for as low as $441 on momondo.

What cabin class options are available on Ontario to Houston George Bush Intcntl flights?

There are 4 cabin classes available to choose from on Ontario to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 18% on your flight if you consider stops on a Region of Ontario to Houston George Bush Intcntl Airport flight.

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

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

Best Price Found

$145

Fastest flight time

4h 06m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Region of Ontario in the past 72 hours is $145. The best round-trip flight deal from Region of Ontario to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $233.
The fastest flight from Region of Ontario to Houston George Bush Intcntl Airport takes 4h 06m
Direct flights go from Region of Ontario to Houston George Bush Intcntl Airport every day.
Search flight deals

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

    Prices for flights from Ontario to Houston George Bush Intcntl Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The required travel and health documents for your Houston George Bush Intcntl Airport 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 Houston George Bush Intcntl Airport. 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 Region of Ontario to Houston George Bush Intcntl Airport?

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

Compare and see reviews for airlines that fly from Region of Ontario to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $371Free CancellationRating
7.1
9,893 reviews
Search Air Canada flights
United AirlinesPriceFrom $454Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights

Traveling to a place near Houston?

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

Why use momondo?

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

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 Houston from Ontario.

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

All flight searches from Ontario to Houston on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Ontario to Houston 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 Ontario to Houston right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Houston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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