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Cheap flights from Ontario to Houston from $133

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 1/14. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
5:45 am - 5:29 pm
YHM
-
IAH
12h 44m1 stop
WestJet Logo
6:20 pm - 5:17 pm
IAH
-
YHM
21h 57m1 stop
$225WestJet
Tue, Jan 13 - Tue, Jan 20
WestJet Logo
5:45 am - 5:29 pm
YHM
-
IAH
12h 44m1 stop
WestJet Logo
6:20 pm - 5:17 pm
IAH
-
YHM
21h 57m1 stop
$226WestJet
Tue, Jan 13 - Tue, Jan 20
Multiple Airlines Logo
7:25 am - 8:23 pm
YHM
-
IAH
13h 58m1 stop
Multiple Airlines Logo
6:20 pm - 5:17 pm
IAH
-
YHM
21h 57m1 stop
$229Multiple Airlines
Wed, Jan 14 - Wed, Jan 21
WestJet Logo
6:10 pm - 12:44 pm
YHM
-
IAH
19h 34m1 stop
WestJet Logo
6:20 pm - 5:17 pm
IAH
-
YHM
21h 57m1 stop
$231WestJet
Thu, Jan 15 - Wed, Jan 21
WestJet Logo
6:10 pm - 12:44 pm
YHM
-
IAH
19h 34m1 stop
WestJet Logo
6:20 pm - 1:22 pm
IAH
-
YHM
18h 02m1 stop
$235WestJet
Wed, Jan 14 - Thu, Jan 22
Multiple Airlines Logo
7:25 am - 8:23 pm
YHM
-
IAH
13h 58m1 stop
Multiple Airlines Logo
5:46 am - 3:00 pm
IAH
-
YHM
8h 14m1 stop
$238Multiple Airlines
Mon, Jan 26 - Thu, Jan 29
WestJet Logo
6:10 pm - 12:44 pm
YHM
-
IAH
19h 34m1 stop
WestJet Logo
6:20 pm - 5:17 pm
IAH
-
YHM
21h 57m1 stop
$239WestJet
Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
7:00 am - 6:58 pm
YHM
-
IAH
12h 58m1 stop
Multiple Airlines Logo
6:20 pm - 5:17 pm
IAH
-
YHM
21h 57m1 stop
$240Multiple Airlines
Fri, Jan 16 - Wed, Jan 21
Multiple Airlines Logo
7:25 am - 1:20 pm
YHM
-
IAH
30h 55m1 stop
Multiple Airlines Logo
6:20 pm - 1:22 pm
IAH
-
YHM
18h 02m1 stop
$242Multiple Airlines
Wed, Jan 14 - Thu, Jan 22
WestJet Logo
6:10 pm - 12:44 pm
YHM
-
IAH
19h 34m1 stop
WestJet Logo
1:35 pm - 1:22 pm
IAH
-
YHM
22h 47m1 stop
$244WestJet
Thu, Jan 22 - Thu, Jan 29

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

Our best United Airlines deals on Region of Ontario to Houston George Bush Intcntl Airport flight tickets
United Airlines
Dec 31
YYZ3:45 pmToronto Pearson Intl
4h 04m
IAH6:49 pmHouston George Bush Intcntl
Jan 7
IAH6:24 pmHouston George Bush Intcntl
3h 13m
YYZ10:37 pmToronto Pearson Intl
$624
Find similar
United Airlines
Jan 1
YOW7:27 pmOttawa
14h 23m
2 stops
IAH8:50 amHouston George Bush Intcntl
Jan 7
IAH11:55 amHouston George Bush Intcntl
10h 59m
2 stops
YOW11:54 pmOttawa
$670
Find similar
United Airlines
Dec 25
YOW5:09 pmOttawa
8h 21m
1 stop
IAH12:30 amHouston George Bush Intcntl
Jan 1
IAH12:22 pmHouston George Bush Intcntl
8h 34m
1 stop
YOW9:56 pmOttawa
$823
Find similar

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
Dec 31
YYZ1:10 pmToronto Pearson Intl
12h 48m
1 stop
IAH12:58 amHouston George Bush Intcntl
Jan 7
IAH8:00 amHouston George Bush Intcntl
7h 19m
1 stop
YYZ4:19 pmToronto Pearson Intl
$506
Find similar
American Airlines
Dec 31
YYZ1:10 pmToronto Pearson Intl
12h 48m
1 stop
IAH12:58 amHouston George Bush Intcntl
Jan 6
IAH8:00 amHouston George Bush Intcntl
7h 19m
1 stop
YYZ4:19 pmToronto Pearson Intl
$538
Find similar
American Airlines
Dec 31
YYZ1:10 pmToronto Pearson Intl
12h 48m
1 stop
IAH12:58 amHouston George Bush Intcntl
Jan 6
IAH8:00 amHouston George Bush Intcntl
7h 03m
1 stop
YYZ4:03 pmToronto Pearson Intl
$629
Find similar

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 December 18, 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

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Tue 1/13

5:45 am-5:29 pm

1 stop12h 44m

Houston George Bush Intcntl

Tue 1/20

6:20 pm-5:17 pm

1 stop21h 57m

$225

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Tue 1/13

5:45 am-5:29 pm

1 stop12h 44m

Houston George Bush Intcntl

Tue 1/20

6:20 pm-5:17 pm

1 stop21h 57m

$226

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Wed 1/14

7:25 am-8:23 pm

1 stop13h 58m

Houston George Bush Intcntl

Wed 1/21

6:20 pm-5:17 pm

1 stop21h 57m

$229

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Thu 1/15

6:10 pm-12:44 pm

1 stop19h 34m

Houston George Bush Intcntl

Wed 1/21

6:20 pm-5:17 pm

1 stop21h 57m

$231

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Wed 1/14

6:10 pm-12:44 pm

1 stop19h 34m

Houston George Bush Intcntl

Thu 1/22

6:20 pm-1:22 pm

1 stop18h 02m

$235

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Mon 1/26

7:25 am-8:23 pm

1 stop13h 58m

Houston George Bush Intcntl

Thu 1/29

5:46 am-3:00 pm

1 stop8h 14m

$238

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Wed 1/14

6:10 pm-12:44 pm

1 stop19h 34m

Houston George Bush Intcntl

Wed 1/21

6:20 pm-5:17 pm

1 stop21h 57m

$239

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Fri 1/16

7:00 am-6:58 pm

1 stop12h 58m

Houston George Bush Intcntl

Wed 1/21

6:20 pm-5:17 pm

1 stop21h 57m

$240

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Wed 1/14

7:25 am-1:20 pm

1 stop30h 55m

Houston George Bush Intcntl

Thu 1/22

6:20 pm-1:22 pm

1 stop18h 02m

$242

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Thu 1/22

6:10 pm-12:44 pm

1 stop19h 34m

Houston George Bush Intcntl

Thu 1/29

1:35 pm-1:22 pm

1 stop22h 47m

$244

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 April is also very affordable. Most momondo users find prices during this month for around $456.

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 $519. 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 afternoon because they tend to be around $566. 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 $505 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 $369 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 32% 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

$273

Fastest flight time

3h 46m

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 $273. 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 $468.
The fastest flight from Region of Ontario to Houston George Bush Intcntl Airport takes 3h 46m
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 $410Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights
United AirlinesPriceFrom $438Free CancellationRating
7.4
9,092 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
Cypress
Humble
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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