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

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

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

As of December 2025, there are 40 flights per week flying from Calgary to Houston. The most common day of the week flights depart is Wed, with 20% of flights taking off on this day.

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 130 minutes.

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

As of December 2025, 5 flights take off from Calgary and land in Houston each day. The most common flight departure time for this route is 12:00p.m., with 87% of daily flights taking off in the afternoon.

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

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

Which 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 85% of people opting to fly with this airline when travelling to Houston. Keep in mind that there are 5 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

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

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

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

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

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?

As of December 2025, there are 5 operators available to choose from for flights from Calgary Airport to Houston.

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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 necessary travel and health documents for your Houston trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 149 Cheap Flights from Calgary to Houston in 2025/26

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One-way

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7:30 a.m. - 12:44 p.m.

YYC

IAH

4h 14mdirect

6:20 p.m. - 9:51 p.m.

IAH

YYC

4h 31mdirect

C$ 209WestJet

Thu, 22 Jan - Tue, 27 Jan

7:30 a.m. - 12:45 p.m.

YYC

IAH

4h 15mdirect

1:35 p.m. - 5:02 p.m.

IAH

YYC

4h 27mdirect

C$ 221WestJet

Mon, 9 Feb - Thu, 26 Feb

7:30 a.m. - 12:44 p.m.

YYC

IAH

4h 14mdirect

12:10 p.m. - 11:44 p.m.

IAH

YYC

12h 34m1 stop

C$ 223Multiple Airlines

Thu, 22 Jan - Thu, 29 Jan

7:30 a.m. - 12:45 p.m.

YYC

IAH

4h 15mdirect

6:20 p.m. - 9:45 p.m.

IAH

YYC

4h 25mdirect

C$ 225WestJet

Thu, 19 Feb - Mon, 2 Mar

7:30 a.m. - 12:45 p.m.

YYC

IAH

4h 15mdirect

6:20 p.m. - 9:45 p.m.

IAH

YYC

4h 25mdirect

C$ 227WestJet

Fri, 6 Feb - Wed, 18 Feb

6:45 a.m. - 4:24 p.m.

YYC

IAH

8h 39m1 stop

5:25 p.m. - 12:44 a.m.

IAH

YYC

8h 19m1 stop

C$ 233Air Canada

Thu, 15 Jan - Wed, 21 Jan

1:40 p.m. - 10:05 a.m.

YYC

HOU

19h 25m2 stops

6:00 a.m. - 9:58 p.m.

HOU

YYC

16h 58m1 stop

C$ 424American Airlines

Sat, 17 Jan - Sat, 24 Jan

6:30 a.m. - 10:46 p.m.

YYC

HOU

15h 16m1 stop

9:04 a.m. - 9:58 p.m.

HOU

YYC

13h 54m1 stop

C$ 497American Airlines

Fri, 16 Jan - Mon, 19 Jan

12:30 a.m. - 9:40 a.m.

YYC

HOU

8h 10m1 stop

10:26 a.m. - 7:09 p.m.

HOU

YYC

9h 43m1 stop

C$ 526Delta

Tue, 17 Mar - Sat, 21 Mar

8:55 a.m. - 10:28 p.m.

YYC

HOU

12h 33m1 stop

5:25 a.m. - 8:54 p.m.

HOU

YYC

16h 29m2 stops

C$ 546Delta

Thu, 19 Feb - Mon, 2 Mar

American Airlines flights from Calgary to Houston

Our best American Airlines deals on Calgary to Houston flight tickets

American Airlines

9 Dec

YYC6:30 a.m.Calgary

6h 01m

1 stop

IAH1:31 p.m.Houston George Bush Intcntl

12 Dec

IAH10:43 a.m.Houston George Bush Intcntl

12h 02m

1 stop

YYC9:45 p.m.Calgary

C$ 304

Find similar

American Airlines

9 Dec

YYC12:45 p.m.Calgary

18h 52m

1 stop

IAH8:37 a.m.Houston George Bush Intcntl

13 Dec

IAH9:28 a.m.Houston George Bush Intcntl

13h 17m

1 stop

YYC9:45 p.m.Calgary

C$ 345

Find similar

American Airlines

17 Jan

YYC1:40 p.m.Calgary

19h 25m

2 stops

HOU10:05 a.m.Houston Hobby

24 Jan

HOU6:00 a.m.Houston Hobby

16h 58m

1 stop

YYC9:58 p.m.Calgary

C$ 424

Find similar

Delta flights from Calgary to Houston

Our best Delta deals on Calgary to Houston flight tickets

Delta

9 Dec

YYC7:35 a.m.Calgary

15h 20m

2 stops

IAH11:55 p.m.Houston George Bush Intcntl

16 Dec

IAH6:40 a.m.Houston George Bush Intcntl

8h 00m

1 stop

YYC1:40 p.m.Calgary

C$ 384

Find similar

Delta

10 Dec

YYC7:30 a.m.Calgary

4h 14m

IAH12:44 p.m.Houston George Bush Intcntl

12 Dec

IAH7:00 a.m.Houston George Bush Intcntl

10h 29m

1 stop

YYC4:29 p.m.Calgary

C$ 396

Find similar

Delta

10 Dec

YYC12:20 p.m.Calgary

4h 09m

IAH5:29 p.m.Houston George Bush Intcntl

16 Dec

IAH6:40 a.m.Houston George Bush Intcntl

13h 35m

2 stops

YYC7:15 p.m.Calgary

C$ 398

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 22/1

7:30 a.m.-12:44 p.m.

Nonstop4h 14m

Houston George Bush Intcntl

Tue 27/1

6:20 p.m.-9:51 p.m.

Nonstop4h 31m

C$ 209

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Mon 9/2

7:30 a.m.-12:45 p.m.

Nonstop4h 15m

Houston George Bush Intcntl

Thu 26/2

1:35 p.m.-5:02 p.m.

Nonstop4h 27m

C$ 220

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 22/1

7:30 a.m.-12:44 p.m.

Nonstop4h 14m

Houston George Bush Intcntl

Thu 29/1

12:10 p.m.-11:44 p.m.

1 stop12h 34m

C$ 223

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 19/2

7:30 a.m.-12:45 p.m.

Nonstop4h 15m

Houston George Bush Intcntl

Mon 2/3

6:20 p.m.-9:45 p.m.

Nonstop4h 25m

C$ 225

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 6/2

7:30 a.m.-12:45 p.m.

Nonstop4h 15m

Houston George Bush Intcntl

Wed 18/2

6:20 p.m.-9:45 p.m.

Nonstop4h 25m

C$ 227

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 15/1

6:45 a.m.-4:24 p.m.

1 stop8h 39m

Houston George Bush Intcntl

Wed 21/1

5:25 p.m.-12:44 a.m.

1 stop8h 19m

C$ 233

CalgaryHouston

YYC - HOU

YYCHOU

Calgary

Sat 17/1

1:40 p.m.-10:05 a.m.

2 stops19h 25m

Houston Hobby

Sat 24/1

6:00 a.m.-9:58 p.m.

1 stop16h 58m

C$ 424

CalgaryHouston

YYC - HOU

YYCHOU

Calgary

Fri 16/1

6:30 a.m.-10:46 p.m.

1 stop15h 16m

Houston Hobby

Mon 19/1

9:04 a.m.-9:58 p.m.

1 stop13h 54m

C$ 497

CalgaryHouston

YYC - HOU

YYCHOU

Calgary

Tue 17/3

12:30 a.m.-9:40 a.m.

1 stop8h 10m

Houston Hobby

Sat 21/3

10:26 a.m.-7:09 p.m.

1 stop9h 43m

C$ 526

CalgaryHouston

YYC - HOU

YYCHOU

Calgary

Thu 19/2

8:55 a.m.-10:28 p.m.

1 stop12h 33m

Houston Hobby

Mon 2/3

5:25 a.m.-8:54 p.m.

2 stops16h 29m

C$ 546

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 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 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 C$ 262. The month of October is another great option to travel to Houston, with average flight prices from Calgary averaging around C$ 313.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as C$ 441. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Calgary to Houston on a Sunday will generally be more expensive and average around C$ 666. 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 Houston?

Our most recent data shows that the best time of day to fly to Houston is in the afternoon. Flights from Calgary to Houston during this time can be as low as C$ 331. In contrast, the most expensive time of day to depart to Houston is at noon when prices are around C$ 886.

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 C$ 387 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 C$ 279 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 10m
Direct flights	Every day
Airports in Houston	1 airport

The fastest flight from Calgary to Houston takes 4h 10m

Direct flights go from Calgary to Houston every day.

There is 1 airport near Houston: Houston George Bush Intcntl (IAH)

Search flight deals

How far is Calgary to Houston by plane?
The straight-line distance from Calgary to Houston is 2828.3 km. 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?
As of December 2025, there are 5 operators available to choose from for flights from Calgary Airport to Houston.
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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 necessary travel and health documents for your Houston trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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 C$ 143	Free Cancellation	Rating 7.4 9,063 reviews	Search United Airlines flights
American Airlines	PriceFrom C$ 170	Free Cancellation	Rating 7.2 11,045 reviews	Search American Airlines flights
Air Canada	PriceFrom C$ 196	Free Cancellation	Rating 7.1 10,500 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 216	Free Cancellation	Rating 7.2 3,190 reviews	Search WestJet flights
Delta	PriceFrom C$ 245	Free Cancellation	Rating 7.9 8,011 reviews	Search Delta flights

Why use momondo?

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

Finding the right flight to Houston from Calgary is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Houston quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Calgary to Houston flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from Calgary.

I’m not ready to book a flight from Calgary 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 Calgary and alert you when they 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.

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Cheap flights from Calgary to Houston from C$ 149

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 11/2. 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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Big names, great deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Calgary to Houston

Cheap round-trip flights

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American Airlines flights from Calgary to Houston

Our best American Airlines deals on Calgary to Houston flight tickets

Delta flights from Calgary to Houston

Our best Delta deals on Calgary to Houston flight tickets

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

See travel insights to Houston from

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

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 C$ 262. The month of October is another great option to travel to Houston, with average flight prices from Calgary averaging around C$ 313.

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?

Our most recent data shows that the best time of day to fly to Houston is in the afternoon. Flights from Calgary to Houston during this time can be as low as C$ 331. In contrast, the most expensive time of day to depart to Houston is at noon when prices are around C$ 886.

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?

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

Which 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 130 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 departing 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 that experiences the fewest 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 has had the least 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?

As of December 2025, 5 flights take off from Calgary and land in Houston each day. The most common flight departure time for this route is 12:00p.m., with 87% of daily flights taking off in the afternoon.

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

As of December 2025, there are 40 flights per week flying from Calgary to Houston. The most common day of the week flights depart is Wed, with 20% 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