What is the most punctual flight time for Houston to Calgary 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.

How often are flights from Houston to Calgary delayed?

Historically, on average around 17% of flights between Houston and Calgary have experienced a delay on any given week. The average delay length over the past 12 months has been 131 minutes.

What airlines fly to Calgary?

WestJet, United Airlines and Delta are the top three most popular airlines that fly to Calgary from Houston George Bush Intcntl Airport according to our data. WestJet is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Calgary. Keep in mind that there are 4 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

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

WestJet, Air Canada, and United Airlines are the most popular carriers operating from Houston George Bush Intcntl to Calgary

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. Monday has historically seen more delays on average compared to the rest of the week.

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

According to our data, WestJet have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

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

Prices for flights from Houston George Bush Intcntl Airport to Calgary Airport are refreshed on a daily basis.

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

What documentation or ID do you need to fly to Calgary Airport?

The travel and health documents required for your trip to Calgary Airport 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 Calgary Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$41 Cheap Flights from Houston George Bush Intcntl Airport to Calgary in 2025/26

Q: How many flights depart from Houston George Bush Intcntl Airport to Calgary on average per day?

The number of flights available between Houston George Bush Intcntl Airport and Calgary is 2 per day as of December 2025. The most frequent departure time is 9:00AM, with 60% of daily flights leaving at noon.

Q: How many flights depart from Houston George Bush Intcntl Airport to Calgary on average per week?

20 flights are operational weekly from Houston George Bush Intcntl Airport to Calgary as of December 2025. The most popular departure day for this route is Mon, with 35% of flights per week taking off on this day.

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6:20 pm - 9:45 pm

IAH

YYC

4h 25mnonstop

7:30 am - 12:45 pm

YYC

IAH

4h 15mnonstop

$161WestJet

Tue, Feb 3 - Fri, Feb 6

6:20 pm - 9:45 pm

IAH

YYC

4h 25mnonstop

12:20 pm - 5:30 pm

YYC

IAH

4h 10mnonstop

$162WestJet

Thu, Apr 9 - Mon, Apr 20

2:38 pm - 9:53 pm

IAH

YYC

8h 15m1 stop

1:30 pm - 6:41 pm

YYC

IAH

4h 11mnonstop

$163United Airlines

Sun, Jan 18 - Wed, Jan 21

9:36 am - 1:08 pm

IAH

YYC

4h 32mnonstop

12:37 pm - 9:28 pm

YYC

IAH

7h 51m1 stop

$169United Airlines

Mon, Jan 19 - Wed, Jan 28

8:00 am - 11:15 am

IAH

YYC

4h 15mnonstop

9:00 am - 2:10 pm

YYC

IAH

4h 10mnonstop

$172WestJet

Sun, May 31 - Fri, Jun 5

5:00 am - 9:53 pm

IAH

YYC

17h 53m2 stops

1:30 pm - 6:41 pm

YYC

IAH

4h 11mnonstop

$173United Airlines

Sun, Jan 18 - Wed, Jan 21

9:50 pm - 11:37 am

IAH

YYC

14h 47m1 stop

1:55 pm - 7:12 pm

YYC

IAH

4h 17mnonstop

$174United Airlines

Thu, Apr 9 - Mon, Apr 20

5:25 pm - 12:44 am

IAH

YYC

8h 19m1 stop

6:00 am - 4:24 pm

YYC

IAH

9h 24m1 stop

$175Air Canada

Mon, Jan 19 - Wed, Jan 28

6:20 pm - 9:51 pm

IAH

YYC

4h 31mnonstop

12:30 am - 3:19 pm

YYC

IAH

13h 49m1 stop

$176Multiple Airlines

Mon, Jan 19 - Tue, Jan 27

3:00 pm - 6:15 pm

IAH

YYC

4h 15mnonstop

9:00 am - 2:10 pm

YYC

IAH

4h 10mnonstop

$177WestJet

Mon, May 4 - Fri, May 8

United Airlines flights from Houston George Bush Intcntl Airport to Calgary

Our best United Airlines deals on Houston George Bush Intcntl Airport to Calgary flight tickets

United Airlines

Jan 18

IAH2:38 pmHouston George Bush Intcntl

8h 15m

1 stop

YYC9:53 pmCalgary

Jan 21

YYC1:30 pmCalgary

4h 11m

IAH6:41 pmHouston George Bush Intcntl

$163

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United Airlines

Jan 19

IAH9:36 amHouston George Bush Intcntl

4h 32m

YYC1:08 pmCalgary

Jan 28

YYC12:37 pmCalgary

7h 51m

1 stop

IAH9:28 pmHouston George Bush Intcntl

$169

Find similar

United Airlines

Jan 18

IAH5:00 amHouston George Bush Intcntl

17h 53m

2 stops

YYC9:53 pmCalgary

Jan 21

YYC1:30 pmCalgary

4h 11m

IAH6:41 pmHouston George Bush Intcntl

$173

Find similar

Air Canada flights from Houston George Bush Intcntl Airport to Calgary

Our best Air Canada deals on Houston George Bush Intcntl Airport to Calgary flight tickets

Air Canada

Jan 19

IAH5:25 pmHouston George Bush Intcntl

8h 19m

1 stop

YYC12:44 amCalgary

Jan 28

YYC6:00 amCalgary

9h 24m

1 stop

IAH4:24 pmHouston George Bush Intcntl

$175

Find similar

Air Canada

Jan 31

IAH12:10 pmHouston George Bush Intcntl

13h 04m

2 stops

YYC12:14 amCalgary

Feb 5

YYC6:00 amCalgary

9h 24m

1 stop

IAH4:24 pmHouston George Bush Intcntl

$190

Find similar

Air Canada

Jan 31

IAH7:10 amHouston George Bush Intcntl

12h 44m

1 stop

YYC6:54 pmCalgary

Feb 5

YYC6:00 amCalgary

9h 24m

1 stop

IAH4:24 pmHouston George Bush Intcntl

$205

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momondo Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Calgary that are best for you.

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Price

HoustonCalgary

IAH - YYC

IAHYYC

Houston George Bush Intcntl

Tue 2/3

6:20 pm-9:45 pm

Nonstop4h 25m

Calgary

Fri 2/6

7:30 am-12:45 pm

Nonstop4h 15m

$161

HoustonCalgary

IAH - YYC

IAHYYC

Houston George Bush Intcntl

Thu 4/9

6:20 pm-9:45 pm

Nonstop4h 25m

Calgary

Mon 4/20

12:20 pm-5:30 pm

Nonstop4h 10m

$162

HoustonCalgary

IAH - YYC

IAHYYC

Houston George Bush Intcntl

Sun 1/18

2:38 pm-9:53 pm

1 stop8h 15m

Calgary

Wed 1/21

1:30 pm-6:41 pm

Nonstop4h 11m

$163

HoustonCalgary

IAH - YYC

IAHYYC

Houston George Bush Intcntl

Mon 1/19

9:36 am-1:08 pm

Nonstop4h 32m

Calgary

Wed 1/28

12:37 pm-9:28 pm

1 stop7h 51m

$169

HoustonCalgary

IAH - YYC

IAHYYC

Houston George Bush Intcntl

Sun 5/31

8:00 am-11:15 am

Nonstop4h 15m

Calgary

Fri 6/5

9:00 am-2:10 pm

Nonstop4h 10m

$172

HoustonCalgary

IAH - YYC

IAHYYC

Houston George Bush Intcntl

Sun 1/18

5:00 am-9:53 pm

2 stops17h 53m

Calgary

Wed 1/21

1:30 pm-6:41 pm

Nonstop4h 11m

$173

HoustonCalgary

IAH - YYC

IAHYYC

Houston George Bush Intcntl

Thu 4/9

9:50 pm-11:37 am

1 stop14h 47m

Calgary

Mon 4/20

1:55 pm-7:12 pm

Nonstop4h 17m

$174

HoustonCalgary

IAH - YYC

IAHYYC

Houston George Bush Intcntl

Mon 1/19

5:25 pm-12:44 am

1 stop8h 19m

Calgary

Wed 1/28

6:00 am-4:24 pm

1 stop9h 24m

$175

HoustonCalgary

IAH - YYC

IAHYYC

Houston George Bush Intcntl

Mon 1/19

6:20 pm-9:51 pm

Nonstop4h 31m

Calgary

Tue 1/27

12:30 am-3:19 pm

1 stop13h 49m

$176

HoustonCalgary

IAH - YYC

IAHYYC

Houston George Bush Intcntl

Mon 5/4

3:00 pm-6:15 pm

Nonstop4h 15m

Calgary

Fri 5/8

9:00 am-2:10 pm

Nonstop4h 10m

$177

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How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Calgary

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

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Delays

Other information

What is the cheapest month to fly to Calgary?

The month of October is, on average, the cheapest month to fly to Calgary from Houston George Bush Intcntl Airport, with most prices found around $243. If you aren’t able to travel during the month of October, then book flights to Calgary from Houston George Bush Intcntl Airport during May instead. Flights to Calgary in May, while not as cheap as those in October, still average around $259.

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

The cheapest day to depart on your flight to Calgary is on a Wednesday when prices can be found for as low as $333. This is often the case because there is less demand to fly during this day of the week. Flights from Houston George Bush Intcntl Airport to Calgary on a Saturday will generally be more expensive and average around $395. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

The cheapest time of day to fly to Calgary is in the afternoon when flights can be purchased for as low as $318. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $793 on average. Flights to Calgary from Houston George Bush Intcntl Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Houston George Bush Intcntl to Calgary flight route?

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

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

You are more likely to see cheaper flights to Calgary from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around $316 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from Houston George Bush Intcntl Airport for as low as $266 on momondo.

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

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

How have Houston George Bush Intcntl Airport to Calgary flight prices changed over time?

As of December 2025, prices for Houston George Bush Intcntl Airport to Calgary flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to Calgary

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Calgary according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Calgary (IAH to YYC) flight deals and tips

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

Best Price Found	$95
Fastest flight time	4h 15m
Direct flights	Every day
Airports in Calgary	1 airport

The best one-way flight to Calgary from Houston George Bush Intcntl Airport in the past 72 hours is $95. The best round-trip flight deal from Houston George Bush Intcntl Airport to Calgary found on momondo in the last 72 hours is $221.

The fastest flight from Houston George Bush Intcntl Airport to Calgary takes 4h 15m

Direct flights go from Houston George Bush Intcntl Airport to Calgary every day.

There is 1 airport in Calgary. From Houston George Bush Intcntl Airport there are direct flights to Calgary (YYC).

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How far is Houston George Bush Intcntl to Calgary by plane?
A flight from Houston George Bush Intcntl to Calgary will travel around 1744.2 mi. A reasonable flight in good conditions will take 4h 15m.
When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Calgary Airport?
Prices for flights from Houston George Bush Intcntl Airport to Calgary Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Calgary Airport?
There are 4 operators available for flights from Houston George Bush Intcntl Airport to Calgary Airport as of December 2025.
How old do you have to be to fly from Houston George Bush Intcntl Airport to Calgary 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 Houston George Bush Intcntl Airport to Calgary Airport.
What documentation or ID do you need to fly to Calgary Airport?
The travel and health documents required for your trip to Calgary Airport 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 Calgary Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Houston George Bush Intcntl Airport to Calgary?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Houston George Bush Intcntl Airport to Calgary is Boeing 737-700 Passenger/BBJ1 (winglets) (28.08% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (26.69%), Boeing 737-800 (15.79%), and Boeing 737-800 Passenger/BBJ2 (winglets) (12.78%).
What is the most popular airline from Houston George Bush Intcntl Airport to Calgary?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Houston George Bush Intcntl Airport to Calgary is WestJet (73% of total bookings). The next most popular airlines are United Airlines (13%), Delta (8%), and Air Canada (6%).

Best airlines flying from Houston George Bush Intcntl Airport to Calgary

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Calgary with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $110	Free Cancellation	Rating 7.1 10,531 reviews	Search Air Canada flights
United Airlines	PriceFrom $114	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
Delta	PriceFrom $159	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
WestJet	PriceFrom $179	Free Cancellation	Rating 7.2 3,203 reviews	Search WestJet flights

Delta Flights From Houston George Bush Intcntl Airport to Calgary
The lowest priced Delta flight from Houston George Bush Intcntl Airport to Calgary from the last 72 hours was $159. Generally, Delta has 7 flights on this route every week with an average price of $386. Delta is rated 7.9/10 by our users.
United Airlines Flights From Houston George Bush Intcntl Airport to Calgary
$114 is the best United Airlines flight deal from Houston George Bush Intcntl Airport to Calgary found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $384, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 9,092 user reviews) flies into Calgary from Houston George Bush Intcntl Airport 3 times in an average week so prices can vary.

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to Calgary for you.

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

Yes. All flights to Calgary from Houston on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Houston to Calgary.

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

Price alerts on flights to Calgary from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Calgary

What is the cheapest month to fly to Calgary?

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

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

What is the cheapest Houston George Bush Intcntl to Calgary flight route?

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

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

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

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

How have Houston George Bush Intcntl Airport to Calgary flight prices changed over time?

As of December 2025, prices for Houston George Bush Intcntl Airport to Calgary flights are approximately 17% cheaper when compared to flights at the same time last year.

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

WestJet, Air Canada, and United Airlines are the most popular carriers operating from Houston George Bush Intcntl to Calgary

What airlines fly to Calgary?

How often are flights from Houston to Calgary delayed?

Historically, on average around 17% of flights between Houston and Calgary have experienced a delay on any given week. The average delay length over the past 12 months has been 131 minutes.

What is the most punctual flight time for Houston to Calgary 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. Monday has historically seen more delays on average compared to the rest of the week.

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

According to our data, WestJet have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

How many flights depart from Houston George Bush Intcntl Airport to Calgary on average per day?

The number of flights available between Houston George Bush Intcntl Airport and Calgary is 2 per day as of December 2025. The most frequent departure time is 9:00AM, with 60% of daily flights leaving at noon.

How many flights depart from Houston George Bush Intcntl Airport to Calgary on average per week?

20 flights are operational weekly from Houston George Bush Intcntl Airport to Calgary as of December 2025. The most popular departure day for this route is Mon, with 35% of flights per week taking off on this day.

When to book flights from Houston George Bush Intcntl Airport to Calgary

Cheap Houston George Bush Intcntl Airport to Calgary (IAH to YYC) flight deals and tips

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

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Airports in Calgary

How far is Houston George Bush Intcntl to Calgary by plane?

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

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

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

What documentation or ID do you need to fly to Calgary Airport?

What is the most popular plane model from Houston George Bush Intcntl Airport to Calgary?

What is the most popular airline from Houston George Bush Intcntl Airport to Calgary?

Best airlines flying from Houston George Bush Intcntl Airport to Calgary

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Calgary with momondo

Delta Flights From Houston George Bush Intcntl Airport to Calgary

United Airlines Flights From Houston George Bush Intcntl Airport to Calgary

Traveling to a place near Calgary?

Why use momondo?

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

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

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

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

An easier way to manage your Calgary 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 Canada

Airports servicing Alberta