How often are flights from Calgary to Houston delayed?

Historically, on average around 13% of flights between Calgary and Houston have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

What is the most punctual flight time for Calgary to Houston flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on Calgary to Houston flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

How many flights depart from Calgary to Houston on average per week?

As of December 2025, there are 32 flights per week flying from Calgary to Houston. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What airlines fly to Houston?

WestJet, Air Canada and United Airlines are the top three most popular airlines that fly to Houston from Calgary according to our data. WestJet is the first choice among our users, with 81% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 4 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

How many flights depart from Calgary to Houston on average per day?

The number of flights available between Calgary and Houston is 4 per day as of December 2025. The most frequent departure time is 1:00PM, with 81% of daily flights leaving in the afternoon.

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

WestJet, Air Canada, and Delta are the most popular carriers operating from Calgary to Houston

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

Prices for flights from Calgary Airport to Houston refresh daily.

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

There are 4 operators available for flights from Calgary Airport to Houston as of December 2025.

How old do you have to be to fly from Calgary Airport 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 Calgary Airport to Houston.

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

The travel and health documents you'll need for your trip to Houston 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 Houston. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$106 Cheap Flights from Calgary to Houston in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 6:41 pm

YYC

IAH

4h 11mnonstop

7:13 am - 2:21 pm

IAH

YYC

8h 08m1 stop

$145United Airlines

Wed, Jan 14 - Wed, Jan 21

6:45 am - 4:24 pm

YYC

IAH

8h 39m1 stop

5:25 pm - 12:44 am

IAH

YYC

8h 19m1 stop

$154Air Canada

Wed, Jan 14 - Wed, Jan 21

9:00 am - 2:10 pm

YYC

IAH

4h 10mnonstop

8:00 am - 11:15 am

IAH

YYC

4h 15mnonstop

$157WestJet

Wed, May 27 - Sun, Jun 7

7:30 am - 12:44 pm

YYC

IAH

4h 14mnonstop

6:20 pm - 9:45 pm

IAH

YYC

4h 25mnonstop

$169WestJet

Thu, Jan 29 - Wed, Feb 4

6:15 am - 10:48 pm

YYC

IAH

15h 33m1 stop

9:50 pm - 11:35 am

IAH

YYC

14h 45m1 stop

$172United Airlines

Fri, Jan 16 - Sun, Jan 25

7:30 am - 12:45 pm

YYC

IAH

4h 15mnonstop

6:20 pm - 9:45 pm

IAH

YYC

4h 25mnonstop

$175WestJet

Wed, Mar 18 - Mon, Mar 23

1:40 pm - 12:09 pm

YYC

HOU

21h 29m2 stops

10:35 am - 9:58 pm

HOU

YYC

12h 23m1 stop

$291American Airlines

Mon, Jan 12 - Tue, Jan 27

12:30 am - 10:21 am

YYC

HOU

8h 51m1 stop

11:09 am - 7:09 pm

HOU

YYC

9h 00m1 stop

$306Delta

Mon, Jan 12 - Wed, Jan 28

6:30 am - 3:50 pm

YYC

HOU

8h 20m1 stop

6:03 am - 11:08 am

HOU

YYC

6h 05m1 stop

$317American Airlines

Wed, Apr 1 - Wed, Apr 8

12:30 am - 10:39 am

YYC

HOU

9h 09m1 stop

10:35 am - 7:09 pm

HOU

YYC

9h 34m1 stop

$322Delta

Sat, Mar 28 - Sat, Apr 18

American Airlines flights from Calgary to Houston

Our best American Airlines deals on Calgary to Houston flight tickets

American Airlines

Jan 17

YYC1:40 pmCalgary

21h 09m

2 stops

IAH11:49 amHouston George Bush Intcntl

Jan 26

IAH5:20 pmHouston George Bush Intcntl

20h 28m

1 stop

YYC12:48 pmCalgary

$240

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American Airlines

Jan 12

YYC1:40 pmCalgary

21h 29m

2 stops

HOU12:09 pmHouston Hobby

Jan 27

HOU10:35 amHouston Hobby

12h 23m

1 stop

YYC9:58 pmCalgary

$291

Find similar

American Airlines

Apr 1

YYC6:30 amCalgary

8h 20m

1 stop

HOU3:50 pmHouston Hobby

Apr 8

HOU6:03 amHouston Hobby

6h 05m

1 stop

YYC11:08 amCalgary

$317

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Delta flights from Calgary to Houston

Our best Delta deals on Calgary to Houston flight tickets

Delta

Jan 12

YYC6:30 amCalgary

8h 24m

1 stop

IAH3:54 pmHouston George Bush Intcntl

Jan 23

IAH7:20 amHouston George Bush Intcntl

14h 34m

2 stops

YYC8:54 pmCalgary

$260

Find similar

Delta

Mar 17

YYC7:20 amCalgary

15h 29m

2 stops

IAH11:49 pmHouston George Bush Intcntl

Mar 30

IAH5:23 amHouston George Bush Intcntl

16h 22m

2 stops

YYC8:45 pmCalgary

$263

Find similar

Delta

Jan 12

YYC12:30 amCalgary

8h 51m

1 stop

HOU10:21 amHouston Hobby

Jan 28

HOU11:09 amHouston Hobby

9h 00m

1 stop

YYC7:09 pmCalgary

$306

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 1/14

1:30 pm-6:41 pm

Nonstop4h 11m

Houston George Bush Intcntl

Wed 1/21

7:13 am-2:21 pm

1 stop8h 08m

$145

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 1/14

6:45 am-4:24 pm

1 stop8h 39m

Houston George Bush Intcntl

Wed 1/21

5:25 pm-12:44 am

1 stop8h 19m

$154

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 5/27

9:00 am-2:10 pm

Nonstop4h 10m

Houston George Bush Intcntl

Sun 6/7

8:00 am-11:15 am

Nonstop4h 15m

$157

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 1/29

7:30 am-12:44 pm

Nonstop4h 14m

Houston George Bush Intcntl

Wed 2/4

6:20 pm-9:45 pm

Nonstop4h 25m

$169

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 1/16

6:15 am-10:48 pm

1 stop15h 33m

Houston George Bush Intcntl

Sun 1/25

9:50 pm-11:35 am

1 stop14h 45m

$172

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 3/18

7:30 am-12:45 pm

Nonstop4h 15m

Houston George Bush Intcntl

Mon 3/23

6:20 pm-9:45 pm

Nonstop4h 25m

$175

CalgaryHouston

YYC - HOU

YYCHOU

Calgary

Mon 1/12

1:40 pm-12:09 pm

2 stops21h 29m

Houston Hobby

Tue 1/27

10:35 am-9:58 pm

1 stop12h 23m

$291

CalgaryHouston

YYC - HOU

YYCHOU

Calgary

Mon 1/12

12:30 am-10:21 am

1 stop8h 51m

Houston Hobby

Wed 1/28

11:09 am-7:09 pm

1 stop9h 00m

$306

CalgaryHouston

YYC - HOU

YYCHOU

Calgary

Wed 4/1

6:30 am-3:50 pm

1 stop8h 20m

Houston Hobby

Wed 4/8

6:03 am-11:08 am

1 stop6h 05m

$317

CalgaryHouston

YYC - HOU

YYCHOU

Calgary

Sat 3/28

12:30 am-10:39 am

1 stop9h 09m

Houston Hobby

Sat 4/18

10:35 am-7:09 pm

1 stop9h 34m

$322

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How to get the cheapest flight ticket from Calgary 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

Prices

Airlines

Delays

Other information

What is the typical price of a round-trip flight between Calgary and Houston?

What is the cheapest month to fly to Houston?

The month of September is, on average, the cheapest month to fly to Houston from Calgary, with most prices found around $188. The month of October is another great option to travel to Houston, with average flight prices from Calgary averaging around $224.

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

On average, the least expensive day to fly to Houston from Calgary is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $291. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Sunday is $447.

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

Our data shows that the cheapest Calgary to Houston flights are usually those with departure times in the afternoon. Our users have found flights to Houston in the afternoon for as low as $208. Try not to purchase tickets at noon because they tend to be around $511. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Calgary to Houston flight route?

Fly from Calgary to Houston George Bush Intcntl for the best Calgary - 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 Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $271 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Calgary for as low as $200 on momondo.

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

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

Cheap Calgary to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Calgary to Houston

Fastest flight time	4h 09m
Direct flights	Every day
Airports in Houston	2 airports

The fastest flight from Calgary to Houston takes 4h 09m

Direct flights go from Calgary to Houston every day.

There are 2 airports in Houston. From Calgary there are direct flights to Houston George Bush Intcntl (IAH).

Search flight deals

How far is Calgary to Houston by plane?
The distance between Calgary and Houston is about 1757.5 mi. A reasonable flight in good conditions will take 4h 09m.
When did momondo last update prices for flights from Calgary Airport to Houston?
Prices for flights from Calgary Airport to Houston refresh daily.
How many operators does momondo search for flights from Calgary Airport to Houston?
There are 4 operators available for flights from Calgary Airport to Houston as of December 2025.
How old do you have to be to fly from Calgary Airport 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 Calgary Airport to Houston.
What documentation or ID do you need to fly to Houston?
The travel and health documents you'll need for your trip to Houston 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 Houston. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Calgary to Houston

Compare and see reviews for airlines that fly from Calgary to Houston with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $86	Free Cancellation	Rating 7.4 9,106 reviews	Search United Airlines flights
Air Canada	PriceFrom $96	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
Delta	PriceFrom $141	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
WestJet	PriceFrom $152	Free Cancellation	Rating 7.2 3,216 reviews	Search WestJet flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Calgary to Houston. momondo saves you time and could save you money on your trip.

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

Flights from Calgary to Houston 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 Calgary to Houston?

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

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

Of course. momondo tracks the price of Calgary 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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Cheap flights from Calgary to Houston from $108

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Calgary to Houston departing on 3/5. 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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See travel insights to Houston from

How to get the cheapest flight ticket from Calgary to Houston

What is the typical price of a round-trip flight between Calgary and Houston?

What is the cheapest month to fly to Houston?

The month of September is, on average, the cheapest month to fly to Houston from Calgary, with most prices found around $188. The month of October is another great option to travel to Houston, with average flight prices from Calgary averaging around $224.

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

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

What is the cheapest Calgary to Houston flight route?

Fly from Calgary to Houston George Bush Intcntl for the best Calgary - Houston flight prices

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

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

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

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

WestJet, Air Canada, and Delta are the most popular carriers operating from Calgary to Houston

What airlines fly to Houston?

How often are flights from Calgary to Houston delayed?

Historically, on average around 13% of flights between Calgary and Houston have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

What is the most punctual flight time for Calgary to Houston flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Calgary to Houston flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

How many flights depart from Calgary to Houston on average per day?

The number of flights available between Calgary and Houston is 4 per day as of December 2025. The most frequent departure time is 1:00PM, with 81% of daily flights leaving in the afternoon.

How many flights depart from Calgary to Houston on average per week?

As of December 2025, there are 32 flights per week flying from Calgary to Houston. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.

Cheap Calgary to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Calgary to Houston

Fastest flight time

Direct flights

Airports in Houston

How far is Calgary to Houston by plane?

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

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

How old do you have to be to fly from Calgary Airport to Houston?

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

Best airlines flying from Calgary to Houston

Compare and see reviews for airlines that fly from Calgary to Houston with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Houston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Texas