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Cheap flights from Ontario to Houston from $151

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 6/2. 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 Ontario to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:55 pm - 12:15 am
YUL
-
IAH
8h 20m
1 stop
United Airlines Logo
11:55 am - 9:26 pm
IAH
-
YUL
8h 31m
1 stop
$320United Airlines
Fri, Jun 5 - Sat, Jun 6
Multiple Airlines Logo
6:45 am - 8:55 am
YUL
-
IAH
27h 10m
2 stops
Multiple Airlines Logo
6:50 am - 2:08 pm
IAH
-
YUL
6h 18m
1 stop
$325Multiple Airlines
Tue, Jun 2 - Tue, Jun 9
Multiple Airlines Logo
6:45 am - 9:55 pm
YUL
-
IAH
16h 10m
1 stop
Multiple Airlines Logo
9:46 am - 12:45 am
IAH
-
YUL
13h 59m
1 stop
$332Multiple Airlines
Mon, Apr 20 - Thu, Apr 23
Multiple Airlines Logo
6:45 am - 8:55 am
YUL
-
IAH
27h 10m
2 stops
Multiple Airlines Logo
6:50 am - 2:08 pm
IAH
-
YUL
6h 18m
1 stop
$333Multiple Airlines
Tue, Jun 2 - Tue, Jun 9
Multiple Airlines Logo
7:45 am - 6:49 pm
YYZ
-
IAH
12h 04m
1 stop
Multiple Airlines Logo
6:00 am - 4:45 pm
IAH
-
YYZ
9h 45m
1 stop
$344Multiple Airlines
Wed, Jun 3 - Tue, Jun 16
Multiple Airlines Logo
1:45 pm - 1:44 pm
YTZ
-
IAH
24h 59m
2 stops
Multiple Airlines Logo
5:29 pm - 8:00 am
IAH
-
YTZ
13h 31m
1 stop
$345Multiple Airlines
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
9:00 am - 4:55 am
YYZ
-
IAH
20h 55m
2 stops
Multiple Airlines Logo
6:30 am - 5:45 am
IAH
-
YYZ
22h 15m
2 stops
$345Multiple Airlines
Tue, May 5 - Tue, May 12
WestJet Logo
6:10 pm - 10:40 pm
YHM
-
IAH
29h 30m
1 stop
WestJet Logo
6:30 am - 5:15 pm
IAH
-
YHM
9h 45m
1 stop
$431WestJet
Fri, May 29 - Tue, Jun 9
WestJet Logo
6:10 pm - 10:40 pm
YHM
-
IAH
29h 30m
1 stop
WestJet Logo
6:30 am - 5:15 pm
IAH
-
YHM
9h 45m
1 stop
$432WestJet
Fri, May 29 - Tue, Jun 9
WestJet Logo
6:10 pm - 10:40 pm
YHM
-
IAH
29h 30m
1 stop
WestJet Logo
6:30 am - 5:15 pm
IAH
-
YHM
9h 45m
1 stop
$437WestJet
Fri, May 29 - Tue, Jun 9

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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
Jun 5
YUL4:55 pmMontreal Pierre Elliott Trudeau Intl
8h 20m
1 stop
IAH12:15 amHouston George Bush Intcntl
Jun 6
IAH11:55 amHouston George Bush Intcntl
8h 31m
1 stop
YUL9:26 pmMontreal Pierre Elliott Trudeau Intl
$320
United Airlines
Apr 30
YTZ2:20 pmToronto Island
10h 09m
1 stop
IAH11:29 pmHouston George Bush Intcntl
May 4
IAH9:52 amHouston George Bush Intcntl
9h 17m
1 stop
YTZ8:09 pmToronto Island
$661
United Airlines
Apr 25
YOW6:00 amOttawa
10h 49m
3 stops
IAH3:49 pmHouston George Bush Intcntl
May 2
IAH7:20 amHouston George Bush Intcntl
6h 02m
1 stop
YOW2:22 pmOttawa
$847

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
May 29
YHM6:10 pmHamilton
29h 30m
1 stop
IAH10:40 pmHouston George Bush Intcntl
Jun 9
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YHM5:15 pmHamilton
$431
WestJet
May 29
YHM6:10 pmHamilton
29h 30m
1 stop
IAH10:40 pmHouston George Bush Intcntl
Jun 9
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YHM5:15 pmHamilton
$432
WestJet
May 29
YHM6:10 pmHamilton
29h 30m
1 stop
IAH10:40 pmHouston George Bush Intcntl
Jun 9
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YHM5:15 pmHamilton
$437

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 April 16, 2026.
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

Cheapest round-trip
Quickest round-trip

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Fri 6/5

4:55 pm-12:15 am

1 stop8h 20m

Houston George Bush Intcntl

Sat 6/6

11:55 am-9:26 pm

1 stop8h 31m

$320

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Tue 6/2

6:45 am-8:55 am

2 stops27h 10m

Houston George Bush Intcntl

Tue 6/9

6:50 am-2:08 pm

1 stop6h 18m

$325

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Mon 4/20

6:45 am-9:55 pm

1 stop16h 10m

Houston George Bush Intcntl

Thu 4/23

9:46 am-12:45 am

1 stop13h 59m

$332

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Tue 6/2

6:45 am-8:55 am

2 stops27h 10m

Houston George Bush Intcntl

Tue 6/9

6:50 am-2:08 pm

1 stop6h 18m

$333

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Wed 6/3

7:45 am-6:49 pm

1 stop12h 04m

Houston George Bush Intcntl

Tue 6/16

6:00 am-4:45 pm

1 stop9h 45m

$344

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Tue 5/12

1:45 pm-1:44 pm

2 stops24h 59m

Houston George Bush Intcntl

Tue 5/19

5:29 pm-8:00 am

1 stop13h 31m

$345

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Tue 5/5

9:00 am-4:55 am

2 stops20h 55m

Houston George Bush Intcntl

Tue 5/12

6:30 am-5:45 am

2 stops22h 15m

$345

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Fri 5/29

6:10 pm-10:40 pm

1 stop29h 30m

Houston George Bush Intcntl

Tue 6/9

6:30 am-5:15 pm

1 stop9h 45m

$431

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Fri 5/29

6:10 pm-10:40 pm

1 stop29h 30m

Houston George Bush Intcntl

Tue 6/9

6:30 am-5:15 pm

1 stop9h 45m

$432

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Fri 5/29

6:10 pm-10:40 pm

1 stop29h 30m

Houston George Bush Intcntl

Tue 6/9

6:30 am-5:15 pm

1 stop9h 45m

$437

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 October is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Region of Ontario, with most prices found around $457. If you are unable to visit Houston George Bush Intcntl Airport during the month of October, then departing from Region of Ontario during the month August is also very affordable. Most momondo users find prices during this month for around $471.

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 Sunday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Sunday will often find tickets for as low as $539. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Thursday is $566.

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 in the morning. Our users have found flights to Houston George Bush Intcntl Airport in the morning for as low as $540. Try not to purchase tickets in the afternoon because they tend to be around $611. 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 $535 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 $419 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 9% 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

$287

Fastest flight time

3h 35m

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 $287. 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 35m
Direct flights go from Region of Ontario to Houston George Bush Intcntl Airport every day.
Search flight deals

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

  • 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 $404Free CancellationRating
7.1
10,930 reviews
Search Air Canada flights
United AirlinesPriceFrom $438Free CancellationRating
7.4
9,594 reviews
Search United Airlines flights

Traveling to a place near Houston?

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

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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