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

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

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

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 86% 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.

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

As of April 2026, there are 36 flights per week flying from Calgary to Houston. The most common day of the week flights depart is Fri, with 22% of flights taking off on this day.

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 11% of their flights experiencing any sort of delay.

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

As of April 2026, 5 flights take off from Calgary and land in Houston each day. The most common flight departure time for this route is 1:00p.m., with 81% of daily flights taking off in the afternoon.

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 April 2026, 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$ 192 Cheap Flights from Calgary to Houston in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from C$ 583 to C$ 371. The lowest price recently found on this route was C$ 326.

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Find the cheapest flights from Calgary to Houston

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:45 a.m. - 1:55 p.m.

YYC

IAH

4h 10mdirect

2:50 p.m. - 6:10 p.m.

IAH

YYC

4h 20mdirect

C$ 326WestJet

Sun, 3 May - Mon, 11 May

8:45 a.m. - 1:55 p.m.

YYC

IAH

4h 10mdirect

2:50 p.m. - 6:10 p.m.

IAH

YYC

4h 20mdirect

C$ 328WestJet

Sat, 23 May - Wed, 16 Sep

5:30 p.m. - 10:40 p.m.

YYC

IAH

4h 10mdirect

6:30 a.m. - 9:50 a.m.

IAH

YYC

4h 20mdirect

C$ 329WestJet

Thu, 7 May - Fri, 15 May

5:30 p.m. - 10:40 p.m.

YYC

IAH

4h 10mdirect

6:30 a.m. - 9:50 a.m.

IAH

YYC

4h 20mdirect

C$ 330WestJet

Thu, 30 Apr - Fri, 8 May

5:30 p.m. - 10:40 p.m.

YYC

IAH

4h 10mdirect

6:30 a.m. - 9:50 a.m.

IAH

YYC

4h 20mdirect

C$ 332WestJet

Wed, 3 Jun - Mon, 22 Jun

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$ 340WestJet

Mon, 20 Apr - Thu, 23 Apr

7:40 a.m. - 11:07 p.m.

YYC

HOU

14h 27m

2 stops

6:00 a.m. - 11:00 p.m.

HOU

YYC

18h 00m

2 stops

C$ 407Delta

Sun, 26 Apr - Thu, 30 Apr

7:40 a.m. - 11:08 p.m.

YYC

HOU

14h 28m

2 stops

6:00 a.m. - 11:00 p.m.

HOU

YYC

18h 00m

2 stops

C$ 443Delta

Sat, 18 Apr - Tue, 5 May

7:40 a.m. - 11:08 p.m.

YYC

HOU

14h 28m

2 stops

6:00 a.m. - 11:00 p.m.

HOU

YYC

18h 00m

2 stops

C$ 466Delta

Fri, 17 Apr - Tue, 5 May

6:45 a.m. - 11:59 p.m.

YYC

HOU

16h 14m

1 stop

6:00 a.m. - 11:55 a.m.

HOU

YYC

6h 55m

1 stop

C$ 477American Airlines

Sat, 23 May - Tue, 15 Sep

Delta flights from Calgary to Houston

Our best Delta deals on Calgary to Houston flight tickets

Delta

13 Aug

YYC7:15 a.m.Calgary

9h 32m

1 stop

IAH5:47 p.m.Houston George Bush Intcntl

17 Aug

IAH6:30 a.m.Houston George Bush Intcntl

17h 36m

2 stops

YYC11:06 p.m.Calgary

C$ 397

Delta

26 Apr

YYC7:40 a.m.Calgary

14h 27m

2 stops

HOU11:07 p.m.Houston Hobby

30 Apr

HOU6:00 a.m.Houston Hobby

18h 00m

2 stops

YYC11:00 p.m.Calgary

C$ 407

Delta

15 Apr

YYC6:40 a.m.Calgary

10h 02m

1 stop

IAH5:42 p.m.Houston George Bush Intcntl

25 Apr

IAH9:43 a.m.Houston George Bush Intcntl

14h 17m

2 stops

YYC11:00 p.m.Calgary

C$ 431

British Airways flights from Calgary to Houston

Our best British Airways deals on Calgary to Houston flight tickets

British Airways

23 May

YYC6:45 a.m.Calgary

10h 24m

1 stop

HOU6:09 p.m.Houston Hobby

16 Sep

HOU4:15 p.m.Houston Hobby

6h 27m

1 stop

YYC9:42 p.m.Calgary

C$ 548

British Airways

18 Apr

YYC6:45 a.m.Calgary

12h 06m

1 stop

HOU7:51 p.m.Houston Hobby

10 May

HOU9:57 a.m.Houston Hobby

12h 47m

1 stop

YYC9:44 p.m.Calgary

C$ 665

British Airways

18 Apr

YYC12:45 p.m.Calgary

6h 06m

1 stop

HOU7:51 p.m.Houston Hobby

5 May

HOU12:42 p.m.Houston Hobby

10h 02m

1 stop

YYC9:44 p.m.Calgary

C$ 737

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Sun 3/5

8:45 a.m.-1:55 p.m.

Nonstop4h 10m

Houston George Bush Intcntl

Mon 11/5

2:50 p.m.-6:10 p.m.

Nonstop4h 20m

C$ 326

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Sat 23/5

8:45 a.m.-1:55 p.m.

Nonstop4h 10m

Houston George Bush Intcntl

Wed 16/9

2:50 p.m.-6:10 p.m.

Nonstop4h 20m

C$ 328

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 7/5

5:30 p.m.-10:40 p.m.

Nonstop4h 10m

Houston George Bush Intcntl

Fri 15/5

6:30 a.m.-9:50 a.m.

Nonstop4h 20m

C$ 329

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 30/4

5:30 p.m.-10:40 p.m.

Nonstop4h 10m

Houston George Bush Intcntl

Fri 8/5

6:30 a.m.-9:50 a.m.

Nonstop4h 20m

C$ 330

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 3/6

5:30 p.m.-10:40 p.m.

Nonstop4h 10m

Houston George Bush Intcntl

Mon 22/6

6:30 a.m.-9:50 a.m.

Nonstop4h 20m

C$ 332

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Mon 20/4

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

Nonstop4h 15m

Houston George Bush Intcntl

Thu 23/4

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

Nonstop4h 27m

C$ 340

CalgaryHouston

YYC - HOU

YYCHOU

Calgary

Sun 26/4

7:40 a.m.-11:07 p.m.

2 stops14h 27m

Houston Hobby

Thu 30/4

6:00 a.m.-11:00 p.m.

2 stops18h 00m

C$ 407

CalgaryHouston

YYC - HOU

YYCHOU

Calgary

Sat 18/4

7:40 a.m.-11:08 p.m.

2 stops14h 28m

Houston Hobby

Tue 5/5

6:00 a.m.-11:00 p.m.

2 stops18h 00m

C$ 443

CalgaryHouston

YYC - HOU

YYCHOU

Calgary

Fri 17/4

7:40 a.m.-11:08 p.m.

2 stops14h 28m

Houston Hobby

Tue 5/5

6:00 a.m.-11:00 p.m.

2 stops18h 00m

C$ 466

CalgaryHouston

YYC - HOU

YYCHOU

Calgary

Sat 23/5

6:45 a.m.-11:59 p.m.

1 stop16h 14m

Houston Hobby

Tue 15/9

6:00 a.m.-11:55 a.m.

1 stop6h 55m

C$ 477

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 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 C$ 261. The month of January is another great option to travel to Houston, with average flight prices from Calgary averaging around C$ 319.

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$ 348. In contrast, the most expensive time of day to depart to Houston is at noon when prices are around C$ 867.

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$ 386 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$ 245 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	2 airports

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

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

Frequently asked questions about flying from Calgary to Houston

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 10m.
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 April 2026, 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$ 129	Free Cancellation	Rating 7.4 9,545 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 149	Free Cancellation	Rating 7.1 10,895 reviews	Search Air Canada flights
American Airlines	PriceFrom C$ 156	Free Cancellation	Rating 7.1 11,550 reviews	Search American Airlines flights
Delta	PriceFrom C$ 184	Free Cancellation	Rating 7.9 8,382 reviews	Search Delta flights
WestJet	PriceFrom C$ 193	Free Cancellation	Rating 7.2 3,315 reviews	Search WestJet 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.