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Cheap flights from Ontario to Houston from $193

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 9/20. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:40 pm - 7:20 am
YTZ
-
IAH
18h 40m
2 stops
Multiple Airlines Logo
9:52 pm - 1:00 pm
IAH
-
YTZ
14h 08m
1 stop
$362Multiple Airlines
Tue, Jul 28 - Tue, Aug 18
Multiple Airlines Logo
6:30 am - 2:50 pm
YYZ
-
IAH
9h 20m
1 stop
Multiple Airlines Logo
4:39 pm - 2:30 pm
IAH
-
YYZ
20h 51m
1 stop
$363Multiple Airlines
Tue, Aug 4 - Tue, Sep 15
Multiple Airlines Logo
6:30 am - 2:51 pm
YYZ
-
IAH
9h 21m
1 stop
Multiple Airlines Logo
8:36 am - 8:55 pm
IAH
-
YYZ
11h 19m
1 stop
$364Multiple Airlines
Thu, Sep 3 - Thu, Sep 10
Air Canada Logo
4:40 pm - 7:52 pm
YUL
-
IAH
4h 12mnonstop
Air Canada Logo
10:00 am - 2:50 pm
IAH
-
YUL
3h 50mnonstop
$461Air Canada
Thu, Oct 8 - Wed, Oct 14
Air Canada Logo
4:40 pm - 7:52 pm
YUL
-
IAH
4h 12mnonstop
Air Canada Logo
7:20 am - 3:21 pm
IAH
-
YUL
7h 01m
1 stop
$469Air Canada
Thu, Oct 8 - Wed, Oct 14
Delta Logo
6:10 am - 4:25 pm
YYZ
-
HOU
11h 15m
2 stops
Delta Logo
10:05 am - 4:54 pm
HOU
-
YYZ
5h 49m
1 stop
$477Delta
Sat, Sep 5 - Sun, Sep 13
Delta Logo
11:30 am - 4:23 pm
YYZ
-
HOU
5h 53m
1 stop
Delta Logo
6:00 am - 12:15 pm
HOU
-
YYZ
5h 15m
1 stop
$478Delta
Thu, Sep 10 - Sun, Sep 13
WestJet Logo
7:45 am - 9:50 am
YYZ
-
HOU
27h 05m
1 stop
WestJet Logo
6:00 am - 10:25 am
HOU
-
YYZ
27h 25m
1 stop
$507WestJet
Sat, Aug 8 - Sat, Aug 29
WestJet Logo
1:40 pm - 9:43 pm
YYZ
-
HOU
9h 03m
1 stop
WestJet Logo
6:03 am - 12:25 pm
HOU
-
YYZ
5h 22m
1 stop
$511WestJet
Thu, Jun 25 - Sun, Jun 28
American Airlines Logo
4:00 pm - 8:35 am
YUL
-
HOU
17h 35m
1 stop
American Airlines Logo
6:00 am - 2:50 pm
HOU
-
YUL
7h 50m
1 stop
$565American Airlines
Wed, Nov 4 - Sat, Nov 14

WestJet flights from Region of Ontario to Houston

Our best WestJet deals on Region of Ontario to Houston flight tickets
WestJet
Sep 21
YYZ12:40 pmToronto Pearson Intl
26h 15m
2 stops
IAH1:55 pmHouston George Bush Intcntl
Sep 28
IAH6:30 amHouston George Bush Intcntl
14h 05m
2 stops
YYZ9:35 pmToronto Pearson Intl
$419
WestJet
Sep 21
YYZ10:55 pmToronto Pearson Intl
16h 00m
2 stops
IAH1:55 pmHouston George Bush Intcntl
Sep 28
IAH6:30 amHouston George Bush Intcntl
12h 25m
2 stops
YYZ7:55 pmToronto Pearson Intl
$440
WestJet
Aug 8
YYZ7:45 amToronto Pearson Intl
27h 05m
1 stop
HOU9:50 amHouston Hobby
Aug 29
HOU6:00 amHouston Hobby
27h 25m
1 stop
YYZ10:25 amToronto Pearson Intl
$507

Delta flights from Region of Ontario to Houston

Our best Delta deals on Region of Ontario to Houston flight tickets
Delta
Sep 5
YYZ6:10 amToronto Pearson Intl
11h 15m
2 stops
HOU4:25 pmHouston Hobby
Sep 13
HOU10:05 amHouston Hobby
5h 49m
1 stop
YYZ4:54 pmToronto Pearson Intl
$477
Delta
Sep 10
YYZ11:30 amToronto Pearson Intl
5h 53m
1 stop
HOU4:23 pmHouston Hobby
Sep 13
HOU6:00 amHouston Hobby
5h 15m
1 stop
YYZ12:15 pmToronto Pearson Intl
$478
Delta
Sep 5
YYZ6:00 amToronto Pearson Intl
7h 04m
2 stops
HOU12:04 pmHouston Hobby
Sep 13
HOU5:35 pmHouston Hobby
5h 29m
1 stop
YYZ12:04 amToronto Pearson Intl
$479

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 May 24, 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

Cheapest round-trip

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Tue 7/28

1:40 pm-7:20 am

2 stops18h 40m

Houston George Bush Intcntl

Tue 8/18

9:52 pm-1:00 pm

1 stop14h 08m

$362

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Tue 8/4

6:30 am-2:50 pm

1 stop9h 20m

Houston George Bush Intcntl

Tue 9/15

4:39 pm-2:30 pm

1 stop20h 51m

$363

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Thu 9/3

6:30 am-2:51 pm

1 stop9h 21m

Houston George Bush Intcntl

Thu 9/10

8:36 am-8:55 pm

1 stop11h 19m

$364
Quickest round-trip

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Thu 10/8

4:40 pm-7:52 pm

Nonstop4h 12m

Houston George Bush Intcntl

Wed 10/14

10:00 am-2:50 pm

Nonstop3h 50m

$461

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Thu 10/8

4:40 pm-7:52 pm

Nonstop4h 12m

Houston George Bush Intcntl

Wed 10/14

7:20 am-3:21 pm

1 stop7h 01m

$469

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Sat 9/5

6:10 am-4:25 pm

2 stops11h 15m

Houston Hobby

Sun 9/13

10:05 am-4:54 pm

1 stop5h 49m

$477

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Thu 9/10

11:30 am-4:23 pm

1 stop5h 53m

Houston Hobby

Sun 9/13

6:00 am-12:15 pm

1 stop5h 15m

$478

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Sat 8/8

7:45 am-9:50 am

1 stop27h 05m

Houston Hobby

Sat 8/29

6:00 am-10:25 am

1 stop27h 25m

$507

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Thu 6/25

1:40 pm-9:43 pm

1 stop9h 03m

Houston Hobby

Sun 6/28

6:03 am-12:25 pm

1 stop5h 22m

$511

MontrealHouston

YUL - HOU

YULHOU

Montreal Pierre Elliott Trudeau Intl

Wed 11/4

4:00 pm-8:35 am

1 stop17h 35m

Houston Hobby

Sat 11/14

6:00 am-2:50 pm

1 stop7h 50m

$565

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 November is, on average, the cheapest month to fly to Houston from Region of Ontario, with most prices found around $76. The month of May is another great option to travel to Houston, with average flight prices from Region of Ontario averaging around $116.

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 $552. 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 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 from Ontario 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 $534 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 $404 on momondo.

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

There are 4 cabin classes available to choose from on Region of 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

Frequently asked questions about flying from Ontario to Houston

  • 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
3,345 reviews
Search WestJet flights
American AirlinesPriceFrom $261Free CancellationRating
7.1
11,632 reviews
Search American Airlines flights
United AirlinesPriceFrom $354Free CancellationRating
7.4
9,748 reviews
Search United Airlines flights
Air CanadaPriceFrom $404Free CancellationRating
7.1
11,078 reviews
Search Air Canada 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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