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Cheap flights from Ontario to Houston from $147

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 3/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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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.
Multiple Airlines Logo
9:30 am - 8:20 pm
YOW
-
IAH
11h 50m
1 stop
Multiple Airlines Logo
9:15 pm - 5:13 pm
IAH
-
YOW
18h 58m
1 stop
$305Multiple Airlines
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
9:30 am - 8:20 pm
YOW
-
IAH
11h 50m
1 stop
Multiple Airlines Logo
9:15 pm - 5:13 pm
IAH
-
YOW
18h 58m
1 stop
$307Multiple Airlines
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
5:15 pm - 8:40 am
YYZ
-
IAH
16h 25m
1 stop
Multiple Airlines Logo
7:19 pm - 11:35 am
IAH
-
YYZ
15h 16m
1 stop
$314Multiple Airlines
Mon, Mar 9 - Tue, Mar 17
Multiple Airlines Logo
11:15 am - 12:18 am
YYZ
-
IAH
14h 03m
1 stop
Multiple Airlines Logo
9:40 pm - 12:14 am
IAH
-
YYZ
25h 34m
1 stop
$315Multiple Airlines
Mon, Mar 2 - Tue, Mar 3
WestJet Logo
6:10 pm - 12:45 pm
YHM
-
IAH
19h 35m
1 stop
WestJet Logo
6:30 am - 5:15 pm
IAH
-
YHM
9h 45m
1 stop
$337WestJet
Wed, Apr 15 - Mon, Apr 27
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
$341WestJet
Tue, Apr 28 - Fri, May 1
Delta Logo
3:59 pm - 10:42 pm
YYZ
-
HOU
7h 43m
2 stops
Delta Logo
6:00 am - 4:14 pm
HOU
-
YYZ
9h 14m
2 stops
$467Delta
Mon, Mar 9 - Thu, Mar 12
American Airlines Logo
6:10 am - 3:50 pm
YYZ
-
HOU
10h 40m
1 stop
American Airlines Logo
10:14 am - 10:39 pm
HOU
-
YYZ
11h 25m
1 stop
$476American Airlines
Sun, Mar 8 - Sun, Mar 15
Delta Logo
10:18 am - 10:42 pm
YYZ
-
HOU
13h 24m
2 stops
Delta Logo
6:00 am - 5:49 pm
HOU
-
YYZ
10h 49m
2 stops
$486Delta
Sat, Mar 21 - Thu, Mar 26
American Airlines Logo
6:45 am - 12:12 pm
YYZ
-
HOU
6h 27m
1 stop
American Airlines Logo
12:42 pm - 10:55 pm
HOU
-
YYZ
9h 13m
1 stop
$496American Airlines
Fri, Apr 10 - Sun, Apr 12

WestJet flights from Region of Ontario to Houston

Our best WestJet deals on Region of Ontario to Houston flight tickets
WestJet
Apr 15
YHM6:10 pmHamilton
19h 35m
1 stop
IAH12:45 pmHouston George Bush Intcntl
Apr 27
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YHM5:15 pmHamilton
$337
WestJet
Apr 28
YHM6:10 pmHamilton
20h 45m
1 stop
IAH1:55 pmHouston George Bush Intcntl
May 1
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YHM5:15 pmHamilton
$341
WestJet
Apr 22
YYZ7:45 amToronto Pearson Intl
10h 45m
1 stop
IAH5:30 pmHouston George Bush Intcntl
May 4
IAH6:30 amHouston George Bush Intcntl
9h 40m
1 stop
YYZ5:10 pmToronto Pearson Intl
$343

American Airlines flights from Region of Ontario to Houston

Our best American Airlines deals on Region of Ontario to Houston flight tickets
American Airlines
Mar 8
YYZ6:10 amToronto Pearson Intl
6h 38m
1 stop
HOU11:48 amHouston Hobby
Mar 15
HOU10:14 amHouston Hobby
11h 25m
1 stop
YYZ10:39 pmToronto Pearson Intl
$476
American Airlines
Apr 4
YUL7:12 amMontreal Pierre Elliott Trudeau Intl
8h 03m
1 stop
IAH2:15 pmHouston George Bush Intcntl
Apr 11
IAH6:27 pmHouston George Bush Intcntl
16h 17m
1 stop
YUL11:44 amMontreal Pierre Elliott Trudeau Intl
$479
American Airlines
Apr 10
YYZ6:45 amToronto Pearson Intl
6h 27m
1 stop
HOU12:12 pmHouston Hobby
Apr 12
HOU12:42 pmHouston Hobby
9h 13m
1 stop
YYZ10:55 pmToronto Pearson Intl
$496

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Houston 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 February 18, 2026.
Use the filters below to find and compare flights from Ontario to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 3/24

9:30 am-8:20 pm

1 stop11h 50m

Houston George Bush Intcntl

Tue 3/31

9:15 pm-5:13 pm

1 stop18h 58m

$305

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 3/24

9:30 am-8:20 pm

1 stop11h 50m

Houston George Bush Intcntl

Tue 3/31

9:15 pm-5:13 pm

1 stop18h 58m

$307

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Mon 3/9

5:15 pm-8:40 am

1 stop16h 25m

Houston George Bush Intcntl

Tue 3/17

7:19 pm-11:35 am

1 stop15h 16m

$314

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Mon 3/2

11:15 am-12:18 am

1 stop14h 03m

Houston George Bush Intcntl

Tue 3/3

9:40 pm-12:14 am

1 stop25h 34m

$315

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Wed 4/15

6:10 pm-12:45 pm

1 stop19h 35m

Houston George Bush Intcntl

Mon 4/27

6:30 am-5:15 pm

1 stop9h 45m

$337

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Tue 4/28

6:10 pm-1:55 pm

1 stop20h 45m

Houston George Bush Intcntl

Fri 5/1

6:30 am-5:15 pm

1 stop9h 45m

$341

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Mon 3/9

3:59 pm-10:42 pm

2 stops7h 43m

Houston Hobby

Thu 3/12

6:00 am-4:14 pm

2 stops9h 14m

$467

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Sun 3/8

6:10 am-3:50 pm

1 stop10h 40m

Houston Hobby

Sun 3/15

10:14 am-10:39 pm

1 stop11h 25m

$476

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Sat 3/21

10:18 am-10:42 pm

2 stops13h 24m

Houston Hobby

Thu 3/26

6:00 am-5:49 pm

2 stops10h 49m

$486

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Fri 4/10

6:45 am-12:12 pm

1 stop6h 27m

Houston Hobby

Sun 4/12

12:42 pm-10:55 pm

1 stop9h 13m

$496

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

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?

The month of April is, on average, the cheapest month to fly to Houston from Region of Ontario, with most prices found around $463. The month of October is another great option to travel to Houston, with average flight prices from Region of Ontario averaging around $463.

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

Our data shows that the cheapest Region of Ontario to Houston flights are usually those with departure times in the morning. Our users have found flights to Houston in the morning for as low as $536. Try not to purchase tickets in the afternoon because they tend to be around $600. 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 flight route?

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

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $508 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Region of Ontario for as low as $383 on momondo.

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

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

Cheap Region of Ontario to Houston flight deals and tips

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

Fastest flight time

3h 31m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Region of Ontario to Houston takes 3h 31m
Direct flights go from Region of Ontario to Houston every day.
There are 2 airports in Houston. From Region of Ontario there are direct flights to Houston George Bush Intcntl (IAH).
Search flight deals

  • When did momondo last update prices for flights from Ontario to Houston?

    Prices for flights from Ontario to Houston were last updated today.

  • How many operators does momondo search for flights from Ontario to Houston?

  • How old do you have to be to fly from Ontario to Houston?

    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.

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

    The travel and health documents required for your trip to Houston can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Region of Ontario to Houston

Compare and see reviews for airlines that fly from Region of Ontario to Houston with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom $240Free CancellationRating
7.2
3,268 reviews
Search WestJet flights
American AirlinesPriceFrom $261Free CancellationRating
7.2
11,304 reviews
Search American Airlines flights
Air CanadaPriceFrom $404Free CancellationRating
7.1
10,732 reviews
Search Air Canada flights
United AirlinesPriceFrom $438Free CancellationRating
7.4
9,313 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Houston. Millions of users trust and use momondo every year so you are in good hands.

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?

momondo provides multiple filters to help you find the best flight to Houston from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from Ontario and alert you when they change.

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