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 143 minutes.

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

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

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

As of August 2026, 11 flights take off from Calgary and land in Houston each day. The most common flight departure time for this route is 8:00a.m., with 51% of daily flights taking off at noon.

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

As of August 2026, there are 77 flights per week flying from Calgary to Houston. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

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?

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

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 83% 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 12% of their flights experiencing any sort of delay.

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 August 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$ 260 Cheap Flights from Calgary to Houston in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:00 a.m. - 3:37 p.m.-

8h 37m

4:45 p.m. - 11:44 p.m.-

7h 59m

C$ 328Air Canada

Thu, 24 Sep - Mon, 28 Sep

6:00 a.m. - 3:51 p.m.-

8h 51m

4:50 p.m. - 1:40 a.m.-

9h 50m

C$ 328Air Canada

Fri, 4 Sep - Sun, 6 Sep

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

4h 10mdirect

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

4h 20mdirect

C$ 333WestJet

Mon, 31 Aug - Mon, 7 Sep

2:35 p.m. - 5:49 p.m.-

3h 14mdirect

6:10 p.m. - 10:58 a.m.-

16h 48m

C$ 340Multiple Airlines

Sat, 21 Nov - Sun, 29 Nov

6:50 a.m. - 3:37 p.m.-

7h 47m

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

4h 20mdirect

C$ 340Multiple Airlines

Thu, 24 Sep - Fri, 2 Oct

12:30 p.m. - 8:47 p.m.-

7h 17m

5:00 a.m. - 11:35 a.m.-

7h 35m

C$ 344United Airlines

Fri, 23 Oct - Sun, 25 Oct

11:20 a.m. - 3:35 p.m.-

4h 15mdirect

6:20 p.m. - 11:51 p.m.-

5h 31mdirect

C$ 347WestJet

Tue, 10 Nov - Wed, 18 Nov

1:35 p.m. - 6:49 p.m.-

4h 14mdirect

6:44 p.m. - 1:35 p.m.-

18h 51m

C$ 347United Airlines

Sat, 31 Oct - Sat, 7 Nov

2:15 p.m. - 9:30 p.m.-

6h 15m

10:44 a.m. - 8:42 p.m.-

10h 58m

C$ 361Delta

Wed, 16 Sep - Sat, 19 Sep

6:35 a.m. - 5:39 p.m.-

10h 04m

10:44 a.m. - 8:42 p.m.-

10h 58m

C$ 361Delta

Fri, 18 Sep - Sun, 27 Sep

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American Airlines flights from Calgary to Houston

Our best American Airlines deals on Calgary to Houston flight tickets

American Airlines

18 Sep

YYC6:45 a.m.Calgary

9h 57m

1 stop

HOU5:42 p.m.Houston Hobby

29 Sep

HOU11:31 a.m.Houston Hobby

12h 58m

2 stops

YYC11:29 p.m.Calgary

C$ 441

American Airlines

21 Sep

YYC7:00 a.m.Calgary

33h 59m

2 stops

HOU5:59 p.m.Houston Hobby

2 Oct

HOU6:19 p.m.Houston Hobby

30h 10m

2 stops

YYC11:29 p.m.Calgary

C$ 504

American Airlines

18 Aug

YYC7:00 a.m.Calgary

34h 04m

2 stops

IAH6:04 p.m.Houston George Bush Intcntl

29 Aug

IAH5:00 a.m.Houston George Bush Intcntl

19h 42m

2 stops

YYC11:42 p.m.Calgary

C$ 581

Delta flights from Calgary to Houston

Our best Delta deals on Calgary to Houston flight tickets

Delta

31 Oct

YYC7:45 a.m.Calgary

6h 44m

1 stop

IAH3:29 p.m.Houston George Bush Intcntl

7 Nov

IAH10:58 a.m.Houston George Bush Intcntl

13h 14m

2 stops

YYC12:12 a.m.Calgary

C$ 361

Delta

22 Oct

YYC6:35 a.m.Calgary

9h 59m

1 stop

IAH5:34 p.m.Houston George Bush Intcntl

26 Oct

IAH2:19 p.m.Houston George Bush Intcntl

9h 51m

1 stop

YYC11:10 p.m.Calgary

C$ 387

Delta

10 Sep

YYC6:35 a.m.Calgary

15h 04m

2 stops

HOU10:39 p.m.Houston Hobby

16 Sep

HOU6:00 a.m.Houston Hobby

18h 06m

2 stops

YYC11:06 p.m.Calgary

C$ 483

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 24/9

6:00 a.m.-3:37 p.m.

1 stop8h 37m

Houston George Bush Intcntl

Mon 28/9

4:45 p.m.-11:44 p.m.

1 stop7h 59m

C$ 328

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 4/9

6:00 a.m.-3:51 p.m.

1 stop8h 51m

Houston George Bush Intcntl

Sun 6/9

4:50 p.m.-1:40 a.m.

1 stop9h 50m

C$ 328

Quickest round-trip

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Mon 31/8

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

Nonstop4h 10m

Houston George Bush Intcntl

Mon 7/9

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

Nonstop4h 20m

C$ 333

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Sat 21/11

2:35 p.m.-5:49 p.m.

Nonstop3h 14m

Houston George Bush Intcntl

Sun 29/11

6:10 p.m.-10:58 a.m.

1 stop16h 48m

C$ 340

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 24/9

6:50 a.m.-3:37 p.m.

1 stop7h 47m

Houston George Bush Intcntl

Fri 2/10

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

Nonstop4h 20m

C$ 340

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 23/10

12:30 p.m.-8:47 p.m.

1 stop7h 17m

Houston George Bush Intcntl

Sun 25/10

5:00 a.m.-11:35 a.m.

1 stop7h 35m

C$ 344

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Tue 10/11

11:20 a.m.-3:35 p.m.

Nonstop4h 15m

Houston George Bush Intcntl

Wed 18/11

6:20 p.m.-11:51 p.m.

Nonstop5h 31m

C$ 347

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Sat 31/10

1:35 p.m.-6:49 p.m.

Nonstop4h 14m

Houston George Bush Intcntl

Sat 7/11

6:44 p.m.-1:35 p.m.

1 stop18h 51m

C$ 347

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 16/9

2:15 p.m.-9:30 p.m.

1 stop6h 15m

Houston George Bush Intcntl

Sat 19/9

10:44 a.m.-8:42 p.m.

1 stop10h 58m

C$ 361

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 18/9

6:35 a.m.-5:39 p.m.

1 stop10h 04m

Houston George Bush Intcntl

Sun 27/9

10:44 a.m.-8:42 p.m.

1 stop10h 58m

C$ 361

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?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 378 to C$ 636.
The lowest price recently found on this route was C$ 328.

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$ 254. The month of January is another great option to travel to Houston, with average flight prices from Calgary averaging around C$ 317.

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 morning. Flights from Calgary to Houston during this time can be as low as C$ 417. In contrast, the most expensive time of day to depart to Houston is at noon when prices are around C$ 879.

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 from Calgary 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$ 416 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$ 306 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	3h 05m
Direct flights	Every day
Airports in Houston	2 airports

The fastest flight from Calgary to Houston takes 3h 05m

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 3h 05m.
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 August 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$ 130	Free Cancellation	Rating 7.4 10,060 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 158	Free Cancellation	Rating 7.1 11,426 reviews	Search Air Canada flights
Delta	PriceFrom C$ 186	Free Cancellation	Rating 7.8 8,483 reviews	Search Delta flights
WestJet	PriceFrom C$ 192	Free Cancellation	Rating 7.2 3,426 reviews	Search WestJet flights
American Airlines	PriceFrom C$ 315	Free Cancellation	Rating 7.1 11,851 reviews	Search American Airlines 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.