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Cheap flights from Ontario to Houston from $227

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 7/27. 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.
Multiple Airlines Logo
1:40 pm - 8:57 pm
YTZ
-
IAH
8h 17m
1 stop
Multiple Airlines Logo
9:52 pm - 9:40 am
IAH
-
YTZ
10h 48m
1 stop
$359Multiple Airlines
jue., sep. 3 - lun., sep. 7
Multiple Airlines Logo
6:30 am - 2:51 pm
YYZ
-
IAH
9h 21m
1 stop
Multiple Airlines Logo
8:29 am - 7:44 pm
IAH
-
YYZ
34h 15m
2 stops
$370Multiple Airlines
mar., ago. 18 - dom., ago. 30
Multiple Airlines Logo
9:50 am - 6:29 pm
YYZ
-
IAH
9h 39m
1 stop
Multiple Airlines Logo
8:29 am - 2:05 pm
IAH
-
YYZ
28h 36m
1 stop
$371Multiple Airlines
mié., jun. 17 - mié., ago. 26
Multiple Airlines Logo
9:30 am - 2:51 pm
YYZ
-
IAH
30h 21m
1 stop
Multiple Airlines Logo
4:39 pm - 8:08 pm
IAH
-
YYZ
26h 29m
2 stops
$376Multiple Airlines
mar., sep. 1 - mié., oct. 28
Air Canada Logo
12:30 pm - 7:38 pm
YTZ
-
IAH
8h 08m
1 stop
Air Canada Logo
10:00 am - 7:51 pm
IAH
-
YTZ
8h 51m
1 stop
$408Air Canada
mié., sep. 2 - lun., sep. 7
Air Canada Logo
12:30 pm - 7:38 pm
YTZ
-
IAH
8h 08m
1 stop
Air Canada Logo
10:00 am - 7:51 pm
IAH
-
YTZ
8h 51m
1 stop
$415Air Canada
sáb., ago. 15 - dom., ago. 23
Air Canada Logo
4:10 pm - 9:52 pm
YUL
-
IAH
6h 42m
1 stop
Air Canada Logo
10:00 am - 2:50 pm
IAH
-
YUL
3h 50mnonstop
$443Air Canada
sáb., sep. 19 - lun., sep. 21
WestJet Logo
6:00 am - 10:40 pm
YOW
-
IAH
17h 40m
1 stop
WestJet Logo
2:50 pm - 5:15 pm
IAH
-
YOW
25h 25m
1 stop
$556WestJet
sáb., ago. 22 - vie., ago. 28
WestJet Logo
6:10 pm - 1:55 pm
YHM
-
IAH
20h 45m
1 stop
WestJet Logo
6:30 am - 5:15 pm
IAH
-
YHM
9h 45m
1 stop
$562WestJet
jue., jun. 18 - lun., jun. 22
WestJet Logo
6:10 pm - 1:55 pm
YHM
-
IAH
20h 45m
1 stop
WestJet Logo
6:30 am - 5:15 pm
IAH
-
YHM
9h 45m
1 stop
$581WestJet
jue., oct. 8 - lun., oct. 12

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
Oct 14
YUL3:25 pmMontreal Pierre Elliott Trudeau Intl
6h 23m
1 stop
IAH8:48 pmHouston George Bush Intcntl
Oct 17
IAH6:00 amHouston George Bush Intcntl
6h 09m
1 stop
YUL1:09 pmMontreal Pierre Elliott Trudeau Intl
$520
United Airlines
Nov 14
YUL11:00 amMontreal Pierre Elliott Trudeau Intl
8h 44m
1 stop
IAH6:44 pmHouston George Bush Intcntl
Nov 22
IAH5:00 amHouston George Bush Intcntl
7h 51m
1 stop
YUL1:51 pmMontreal Pierre Elliott Trudeau Intl
$531
United Airlines
Oct 14
YUL3:25 pmMontreal Pierre Elliott Trudeau Intl
8h 15m
1 stop
IAH10:40 pmHouston George Bush Intcntl
Oct 16
IAH9:45 pmHouston George Bush Intcntl
11h 55m
1 stop
YUL10:40 amMontreal Pierre Elliott Trudeau Intl
$549

Air Canada flights from Region of Ontario to Houston George Bush Intcntl Airport

Our best Air Canada deals on Region of Ontario to Houston George Bush Intcntl Airport flight tickets
Air Canada
Sep 21
YYZ7:20 pmToronto Pearson Intl
3h 32m
IAH9:52 pmHouston George Bush Intcntl
Sep 28
IAH7:20 amHouston George Bush Intcntl
3h 11m
YYZ11:31 amToronto Pearson Intl
$401
Air Canada
Sep 13
YYZ8:35 amToronto Pearson Intl
3h 32m
IAH11:07 amHouston George Bush Intcntl
Sep 27
IAH7:20 amHouston George Bush Intcntl
3h 11m
YYZ11:31 amToronto Pearson Intl
$402
Air Canada
Sep 21
YYZ7:20 pmToronto Pearson Intl
3h 32m
IAH9:52 pmHouston George Bush Intcntl
Sep 28
IAH10:00 amHouston George Bush Intcntl
7h 12m
1 stop
YYZ6:12 pmToronto Pearson Intl
$405

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 mayo 30, 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

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

jue. 9/3

1:40 pm-8:57 pm

1 stop8h 17m

Houston George Bush Intcntl

lun. 9/7

9:52 pm-9:40 am

1 stop10h 48m

$359

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

mar. 8/18

6:30 am-2:51 pm

1 stop9h 21m

Houston George Bush Intcntl

dom. 8/30

8:29 am-7:44 pm

2 stops34h 15m

$370

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

mié. 6/17

9:50 am-6:29 pm

1 stop9h 39m

Houston George Bush Intcntl

mié. 8/26

8:29 am-2:05 pm

1 stop28h 36m

$371

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

mar. 9/1

9:30 am-2:51 pm

1 stop30h 21m

Houston George Bush Intcntl

mié. 10/28

4:39 pm-8:08 pm

2 stops26h 29m

$376

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

mié. 9/2

12:30 pm-7:38 pm

1 stop8h 08m

Houston George Bush Intcntl

lun. 9/7

10:00 am-7:51 pm

1 stop8h 51m

$408

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

sáb. 8/15

12:30 pm-7:38 pm

1 stop8h 08m

Houston George Bush Intcntl

dom. 8/23

10:00 am-7:51 pm

1 stop8h 51m

$415
Quickest round-trip

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

sáb. 9/19

4:10 pm-9:52 pm

1 stop6h 42m

Houston George Bush Intcntl

lun. 9/21

10:00 am-2:50 pm

Nonstop3h 50m

$443

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

sáb. 8/22

6:00 am-10:40 pm

1 stop17h 40m

Houston George Bush Intcntl

vie. 8/28

2:50 pm-5:15 pm

1 stop25h 25m

$556

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

jue. 6/18

6:10 pm-1:55 pm

1 stop20h 45m

Houston George Bush Intcntl

lun. 6/22

6:30 am-5:15 pm

1 stop9h 45m

$562

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

jue. 10/8

6:10 pm-1:55 pm

1 stop20h 45m

Houston George Bush Intcntl

lun. 10/12

6:30 am-5:15 pm

1 stop9h 45m

$581

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 $116. 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 July is also very affordable. Most momondo users find prices during this month for around $120.

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 Saturday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Saturday will often find tickets for as low as $551. 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 $575.

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 $554. Try not to purchase tickets in the afternoon because they tend to be around $615. 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 from Ontario 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 $545 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 Region of Ontario to Houston George Bush Intcntl Airport flights?

There are 4 cabin classes available to choose from on Region of Ontario to Houston George Bush Intcntl Airport 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 4% 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

$285

Fastest flight time

3h 34m

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 $285. 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 $481.
The fastest flight from Region of Ontario to Houston George Bush Intcntl Airport takes 3h 34m
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
United AirlinesPriceFrom $396Free CancellationRating
7.4
9,766 reviews
Search United Airlines flights
Air CanadaPriceFrom $404Free CancellationRating
7.1
11,105 reviews
Search Air Canada 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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