What is the cheapest airline that flies from Houston to Ontario?

American Airlines, United Airlines, and Delta are the most popular carriers operating from Houston to Ontario

How many flights depart from Houston to Region of Ontario on average per day?

As of July 2026, there are 13 flights per day flying from Houston to Region of Ontario. The most common time of day flights depart is 6:00PM, with 60% of flights taking off at noon.

How many flights depart from Houston to Region of Ontario on average per week?

As of July 2026, 91 flights take off from Houston and land in Region of Ontario each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

What airlines fly to Region of Ontario?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Region of Ontario from Houston according to our data. Air Canada is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 5 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

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

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

There are 5 operators available for flights from Houston to Ontario as of July 2026.

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

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 Houston to Ontario.

What documentation or ID do you need to fly to Ontario?

The travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$177 Cheap Flights from Houston to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:35 am - 2:05 pm

IAH

YYZ

28h 30m

1 stop

9:30 am - 3:24 pm

YYZ

IAH

30h 54m

1 stop

$291Multiple Airlines

Mon, Aug 24 - Mon, Aug 31

8:35 am - 2:05 pm

IAH

YYZ

28h 30m

1 stop

9:30 am - 3:24 pm

YYZ

IAH

30h 54m

1 stop

$292Multiple Airlines

Mon, Aug 24 - Tue, Sep 1

8:35 am - 2:05 pm

IAH

YYZ

28h 30m

1 stop

9:30 am - 3:24 pm

YYZ

IAH

30h 54m

1 stop

$293Multiple Airlines

Mon, Aug 24 - Mon, Aug 31

8:35 am - 2:05 pm

IAH

YYZ

28h 30m

1 stop

9:30 am - 3:24 pm

YYZ

IAH

30h 54m

1 stop

$297Multiple Airlines

Mon, Aug 24 - Wed, Aug 26

2:50 pm - 7:50 pm

IAH

YKF

28h 00m

1 stop

8:40 pm - 1:55 pm

YKF

IAH

18h 15m

1 stop

$541WestJet

Thu, Oct 8 - Sun, Oct 11

4:37 pm - 5:02 pm

IAH

YUL

23h 25m

3 stops

6:30 am - 8:47 pm

YUL

IAH

15h 17m

2 stops

$553Porter Airlines

Mon, Aug 3 - Tue, Aug 11

5:20 pm - 12:00 pm

HOU

YYZ

17h 40m

2 stops

6:00 am - 12:16 pm

YYZ

HOU

7h 16m

1 stop

$575Porter Airlines

Mon, Aug 24 - Sun, Aug 30

2:50 pm - 7:50 pm

IAH

YKF

28h 00m

1 stop

8:40 pm - 1:55 pm

YKF

IAH

18h 15m

1 stop

$583WestJet

Thu, Oct 8 - Sun, Oct 11

2:50 pm - 7:50 pm

IAH

YKF

28h 00m

1 stop

8:40 pm - 1:55 pm

YKF

IAH

18h 15m

1 stop

$593WestJet

Thu, Aug 20 - Tue, Aug 25

2:50 pm - 7:50 pm

IAH

YKF

28h 00m

1 stop

8:40 pm - 1:55 pm

YKF

IAH

18h 15m

1 stop

$594WestJet

Sun, Sep 13 - Tue, Sep 15

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Porter Airlines flights from Houston to Region of Ontario

Our best Porter Airlines deals on Houston to Region of Ontario flight tickets

Porter Airlines

Aug 3

IAH4:37 pmHouston George Bush Intcntl

23h 25m

3 stops

YUL5:02 pmMontreal Pierre Elliott Trudeau Intl

Aug 11

YUL6:30 amMontreal Pierre Elliott Trudeau Intl

15h 17m

2 stops

IAH8:47 pmHouston George Bush Intcntl

$553

Porter Airlines

Aug 24

HOU5:20 pmHouston Hobby

17h 40m

2 stops

YYZ12:00 pmToronto Pearson Intl

Aug 30

YYZ6:00 amToronto Pearson Intl

7h 16m

1 stop

HOU12:16 pmHouston Hobby

$575

WestJet flights from Houston to Region of Ontario

Our best WestJet deals on Houston to Region of Ontario flight tickets

WestJet

Oct 8

IAH2:50 pmHouston George Bush Intcntl

28h 00m

1 stop

YKF7:50 pmToronto Region of Waterloo Intl

Oct 11

YKF8:40 pmToronto Region of Waterloo Intl

18h 15m

1 stop

IAH1:55 pmHouston George Bush Intcntl

$541

WestJet

Oct 8

IAH2:50 pmHouston George Bush Intcntl

28h 00m

1 stop

YKF7:50 pmToronto Region of Waterloo Intl

Oct 11

YKF8:40 pmToronto Region of Waterloo Intl

18h 15m

1 stop

IAH1:55 pmHouston George Bush Intcntl

$583

WestJet

Aug 20

IAH2:50 pmHouston George Bush Intcntl

28h 00m

1 stop

YKF7:50 pmToronto Region of Waterloo Intl

Aug 25

YKF8:40 pmToronto Region of Waterloo Intl

18h 15m

1 stop

IAH1:55 pmHouston George Bush Intcntl

$593

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Mon 8/24

8:35 am-2:05 pm

1 stop28h 30m

Toronto Pearson Intl

Mon 8/31

9:30 am-3:24 pm

1 stop30h 54m

$291

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Mon 8/24

8:35 am-2:05 pm

1 stop28h 30m

Toronto Pearson Intl

Tue 9/1

9:30 am-3:24 pm

1 stop30h 54m

$292

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Mon 8/24

8:35 am-2:05 pm

1 stop28h 30m

Toronto Pearson Intl

Mon 8/31

9:30 am-3:24 pm

1 stop30h 54m

$293

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Mon 8/24

8:35 am-2:05 pm

1 stop28h 30m

Toronto Pearson Intl

Wed 8/26

9:30 am-3:24 pm

1 stop30h 54m

$297

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Thu 10/8

2:50 pm-7:50 pm

1 stop28h 00m

Toronto Region of Waterloo Intl

Sun 10/11

8:40 pm-1:55 pm

1 stop18h 15m

$541

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Mon 8/3

4:37 pm-5:02 pm

3 stops23h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 8/11

6:30 am-8:47 pm

2 stops15h 17m

$553

Quickest round-trip

HoustonToronto

HOU - YYZ

HOUYYZ

Houston Hobby

Mon 8/24

5:20 pm-12:00 pm

2 stops17h 40m

Toronto Pearson Intl

Sun 8/30

6:00 am-12:16 pm

1 stop7h 16m

$575

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Thu 10/8

2:50 pm-7:50 pm

1 stop28h 00m

Toronto Region of Waterloo Intl

Sun 10/11

8:40 pm-1:55 pm

1 stop18h 15m

$583

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Thu 8/20

2:50 pm-7:50 pm

1 stop28h 00m

Toronto Region of Waterloo Intl

Tue 8/25

8:40 pm-1:55 pm

1 stop18h 15m

$593

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Sun 9/13

2:50 pm-7:50 pm

1 stop28h 00m

Toronto Region of Waterloo Intl

Tue 9/15

8:40 pm-1:55 pm

1 stop18h 15m

$594

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Region of Ontario

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

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Ontario?

The month of November is, on average, the cheapest month to fly to Region of Ontario from Houston, with most prices found around $76. If you aren’t able to travel during the month of November, then book flights to Region of Ontario from Houston during June instead. Flights to Region of Ontario in June, while not as cheap as those in November, still average around $168.

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

According to our data, the cheapest time of day to fly to Region of Ontario is in the afternoon. momondo users have found flights departing from Houston to Region of Ontario in the afternoon for as low as $716. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,499.

What is the cheapest Houston to Ontario flight route?

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

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

You are more likely to see cheaper flights to Region of Ontario from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $639 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Houston for as low as $395 on momondo.

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

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

Cheap Houston to Region of Ontario flight deals and tips

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

Fastest flight time	3h 11m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The fastest flight from Houston to Region of Ontario takes 3h 11m

Direct flights go from Houston to Region of Ontario every day.

There are 125 airports in Region of Ontario. From Houston there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ).

Search flight deals

Frequently asked questions about flying from Houston to Ontario

When did momondo last update prices for flights from Houston to Ontario?
Prices for flights from Houston to Ontario were last updated today.
How many operators does momondo search for flights from Houston to Ontario?
There are 5 operators available for flights from Houston to Ontario as of July 2026.
How old do you have to be to fly from Houston to Ontario?
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 Houston to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Region of Ontario

Compare and see reviews for airlines that fly from Houston to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $118	Free Cancellation	Rating 7.8 8,454 reviews	Search Delta flights
WestJet	PriceFrom $236	Free Cancellation	Rating 7.2 3,404 reviews	Search WestJet flights
Air Canada	PriceFrom $266	Free Cancellation	Rating 7.1 11,322 reviews	Search Air Canada flights
United Airlines	PriceFrom $291	Free Cancellation	Rating 7.4 9,959 reviews	Search United Airlines flights
American Airlines	PriceFrom $315	Free Cancellation	Rating 7.1 11,792 reviews	Search American Airlines flights

Why use momondo?

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

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 Ontario from Houston.

Can I find flights from Houston to Ontario with flexible booking policies on momondo?

Flights from Houston to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to Ontario?

Once you have performed a search for Houston to Ontario 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 Houston to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Houston to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.