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

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

How often are flights from Calgary to Houston delayed?

Historically, on average around 11% 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 147 minutes.

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

As of November 2026, 5 flights take off from Calgary and land in Houston each day. The most common flight departure time for this route is 2:00p.m., with 69% of daily flights taking off in the afternoon.

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.

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 early afternoon have, in the past, seen delays more frequently in comparison.

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

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

Which airlines fly to Houston?

WestJet, United Airlines and Air Canada 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 74% 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 November 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.

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 November 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$ 210 Cheap Flights from Calgary to Houston in 2026/27

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.

8:00 p.m. - 9:58 a.m.YYC Calgary-IAH Houston George Bush Intcntl

12h 58m1 stop Phoenix Sky Harbor Intl

12:57 p.m. - 8:45 p.m.IAH Houston George Bush Intcntl-YYC Calgary

8h 48m1 stop Las Vegas Harry Reid Intl

C$ 452Multiple Airlines

Tue, 5 Jan - Mon, 11 Jan

8:00 p.m. - 11:29 a.m.YYC Calgary-IAH Houston George Bush Intcntl

14h 29m1 stop Phoenix Sky Harbor Intl

7:20 p.m. - 10:15 a.m.IAH Houston George Bush Intcntl-YYC Calgary

15h 55m1 stop Phoenix Sky Harbor Intl

C$ 452Multiple Airlines

Sat, 12 Dec - Tue, 15 Dec

8:45 a.m. - 2:00 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 15mdirect

1:50 p.m. - 5:20 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 30mdirect

C$ 499WestJet

Sun, 6 Dec - Fri, 11 Dec

6:00 p.m. - 11:15 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 15mdirect

8:00 a.m. - 11:30 a.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 30mdirect

C$ 501WestJet

Thu, 3 Dec - Thu, 10 Dec

2:35 p.m. - 7:44 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 09mdirect

9:30 a.m. - 1:03 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 33mdirect

C$ 536United Airlines

Fri, 15 Jan - Sun, 17 Jan

2:35 p.m. - 7:44 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 09mdirect

9:30 a.m. - 1:03 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 33mdirect

C$ 536United Airlines

Fri, 15 Jan - Sun, 17 Jan

6:45 a.m. - 3:38 p.m.YYC Calgary-IAH Houston George Bush Intcntl

7h 53m1 stop Vancouver Intl

6:10 p.m. - 12:53 a.m.IAH Houston George Bush Intcntl-YYC Calgary

7h 43m1 stop Vancouver Intl

C$ 556Air Canada

Thu, 3 Dec - Fri, 11 Dec

7:25 a.m. - 6:20 p.m.YYC Calgary-IAH Houston George Bush Intcntl

9h 55m1 stop Salt Lake City

6:15 a.m. - 12:20 p.m.IAH Houston George Bush Intcntl-YYC Calgary

7h 05m1 stop Minneapolis St Paul

C$ 564Delta

Sun, 6 Dec - Sun, 13 Dec

2:25 p.m. - 10:25 p.m.YYC Calgary-IAH Houston George Bush Intcntl

7h 00m1 stop Minneapolis St Paul

6:15 a.m. - 12:20 p.m.IAH Houston George Bush Intcntl-YYC Calgary

7h 05m1 stop Minneapolis St Paul

C$ 564Delta

Tue, 1 Dec - Sun, 13 Dec

5:50 a.m. - 3:38 p.m.YYC Calgary-IAH Houston George Bush Intcntl

8h 48m1 stop Vancouver Intl

3:30 p.m. - 11:06 p.m.IAH Houston George Bush Intcntl-YYC Calgary

8h 36m1 stop Toronto Pearson Intl

C$ 567Air Canada

Thu, 3 Dec - Sat, 12 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:00 p.m. - 11:15 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 15mdirect

8:21 p.m. - 11:05 a.m.IAH Houston George Bush Intcntl-YYC Calgary

15h 44m1 stop Atlanta Hartsfield-Jackson

C$ 784Multiple Airlines

Thu, 12 Nov - Wed, 18 Nov

8:45 a.m. - 2:00 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 15mdirect

8:21 p.m. - 11:05 a.m.IAH Houston George Bush Intcntl-YYC Calgary

15h 44m1 stop Atlanta Hartsfield-Jackson

C$ 784Multiple Airlines

Fri, 13 Nov - Wed, 18 Nov

6:00 p.m. - 11:15 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 15mdirect

1:50 p.m. - 5:20 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 30mdirect

C$ 801WestJet

Sun, 15 Nov - Mon, 23 Nov

8:45 a.m. - 2:00 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 15mdirect

1:50 p.m. - 5:20 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 30mdirect

C$ 828WestJet

Fri, 13 Nov - Mon, 23 Nov

7:25 a.m. - 6:25 p.m.YYC Calgary-IAH Houston George Bush Intcntl

10h 00m1 stop Salt Lake City

7:00 a.m. - 11:17 p.m.IAH Houston George Bush Intcntl-YYC Calgary

17h 17m2 stops Los Angeles Salt Lake City

C$ 957Delta

Sun, 15 Nov - Sun, 22 Nov

7:25 a.m. - 6:25 p.m.YYC Calgary-IAH Houston George Bush Intcntl

10h 00m1 stop Salt Lake City

2:24 p.m. - 11:17 p.m.IAH Houston George Bush Intcntl-YYC Calgary

9h 53m1 stop Salt Lake City

C$ 957Delta

Sun, 15 Nov - Sun, 22 Nov

7:00 a.m. - 1:30 a.m.YYC Calgary-IAH Houston George Bush Intcntl

17h 30m2 stops Denver Intl Chicago O'Hare Intl

10:05 p.m. - 2:21 p.m.IAH Houston George Bush Intcntl-YYC Calgary

17h 16m2 stops Chicago O'Hare Intl Denver Intl

C$ 978United Airlines

Sun, 15 Nov - Mon, 23 Nov

7:00 a.m. - 1:30 a.m.YYC Calgary-IAH Houston George Bush Intcntl

17h 30m2 stops Denver Intl Chicago O'Hare Intl

10:05 p.m. - 2:21 p.m.IAH Houston George Bush Intcntl-YYC Calgary

17h 16m2 stops Chicago O'Hare Intl Denver Intl

C$ 993United Airlines

Thu, 12 Nov - Mon, 23 Nov

7:00 a.m. - 10:39 p.m.YYC Calgary-IAH Houston George Bush Intcntl

14h 39m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

11:50 a.m. - 11:06 p.m.IAH Houston George Bush Intcntl-YYC Calgary

12h 16m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

C$ 1,019Air Canada

Sat, 14 Nov - Mon, 23 Nov

2:35 p.m. - 7:49 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 14mdirect

6:20 p.m. - 8:44 a.m.IAH Houston George Bush Intcntl-YYC Calgary

15h 24m1 stop Toronto Pearson Intl

C$ 1,117Air Canada

Sat, 14 Nov - Sat, 21 Nov

Cheap direct flights

Enter your travel dates to find the best prices.

8:45 a.m. - 2:00 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 15mdirect

1:50 p.m. - 5:20 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 30mdirect

C$ 499WestJet

Sun, 6 Dec - Fri, 11 Dec

6:00 p.m. - 11:15 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 15mdirect

8:00 a.m. - 11:30 a.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 30mdirect

C$ 501WestJet

Thu, 3 Dec - Thu, 10 Dec

6:00 p.m. - 11:15 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 15mdirect

1:50 p.m. - 5:20 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 30mdirect

C$ 519WestJet

Fri, 4 Dec - Fri, 11 Dec

2:35 p.m. - 7:44 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 09mdirect

9:30 a.m. - 1:03 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 33mdirect

C$ 536United Airlines

Fri, 15 Jan - Sun, 17 Jan

2:35 p.m. - 7:44 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 09mdirect

9:30 a.m. - 1:03 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 33mdirect

C$ 536United Airlines

Fri, 15 Jan - Sun, 17 Jan

2:35 p.m. - 7:44 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 09mdirect

9:30 a.m. - 1:03 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 33mdirect

C$ 655Air Canada

Fri, 22 Jan - Sun, 24 Jan

2:35 p.m. - 7:44 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 09mdirect

9:30 a.m. - 1:03 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 33mdirect

C$ 655Air Canada

Sat, 16 Jan - Sun, 24 Jan

8:45 a.m. - 2:00 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 15mdirect

8:00 a.m. - 11:30 a.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 30mdirect

C$ 746Delta

Mon, 7 Dec - Sat, 12 Dec

2:35 p.m. - 7:44 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 09mdirect

9:30 a.m. - 1:03 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 33mdirect

C$ 773Lufthansa

Fri, 25 Dec - Fri, 1 Jan

6:00 p.m. - 11:15 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 15mdirect

8:00 a.m. - 11:30 a.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 30mdirect

C$ 797Delta

Fri, 15 Jan - Mon, 18 Jan

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American Airlines flights from Calgary to Houston

Our best American Airlines deals on Calgary to Houston flight tickets

American Airlines

16 Dec

YYC7:00 a.m.Calgary

6h 29m

1 stop

HOU2:29 p.m.Houston Hobby

22 Dec

HOU2:24 p.m.Houston Hobby

8h 23m

1 stop

YYC9:47 p.m.Calgary

C$ 670

American Airlines

15 Dec

YYC7:00 a.m.Calgary

6h 29m

1 stop

HOU2:29 p.m.Houston Hobby

22 Dec

HOU2:24 p.m.Houston Hobby

8h 23m

1 stop

YYC9:47 p.m.Calgary

C$ 752

American Airlines

17 Dec

YYC7:00 a.m.Calgary

6h 54m

1 stop

HOU2:54 p.m.Houston Hobby

22 Dec

HOU2:24 p.m.Houston Hobby

8h 23m

1 stop

YYC9:47 p.m.Calgary

C$ 796

Delta flights from Calgary to Houston

Our best Delta deals on Calgary to Houston flight tickets

Delta

21 Nov

YYC2:20 p.m.Calgary

6h 51m

1 stop

IAH10:11 p.m.Houston George Bush Intcntl

24 Nov

IAH2:22 p.m.Houston George Bush Intcntl

9h 55m

1 stop

YYC11:17 p.m.Calgary

C$ 588

Delta

23 Nov

YYC7:25 a.m.Calgary

10h 00m

1 stop

IAH6:25 p.m.Houston George Bush Intcntl

2 Dec

IAH2:34 p.m.Houston George Bush Intcntl

9h 47m

1 stop

YYC11:21 p.m.Calgary

C$ 625

Delta

23 Nov

YYC7:25 a.m.Calgary

10h 00m

1 stop

IAH6:25 p.m.Houston George Bush Intcntl

27 Nov

IAH5:10 a.m.Houston George Bush Intcntl

16h 48m

2 stops

YYC8:58 p.m.Calgary

C$ 648

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Tue 5/1

8:00 p.m.-9:58 a.m.

1 stop12h 58m

Houston George Bush Intcntl

Mon 11/1

12:57 p.m.-8:45 p.m.

1 stop8h 48m

C$ 452

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Sat 12/12

8:00 p.m.-11:29 a.m.

1 stop14h 29m

Houston George Bush Intcntl

Tue 15/12

7:20 p.m.-10:15 a.m.

1 stop15h 55m

C$ 452

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Sun 6/12

8:45 a.m.-2:00 p.m.

Nonstop4h 15m

Houston George Bush Intcntl

Fri 11/12

1:50 p.m.-5:20 p.m.

Nonstop4h 30m

C$ 499

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Thu 3/12

6:00 p.m.-11:15 p.m.

Nonstop4h 15m

Houston George Bush Intcntl

Thu 10/12

8:00 a.m.-11:30 a.m.

Nonstop4h 30m

C$ 501

Quickest round-trip

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Fri 15/1

2:35 p.m.-7:44 p.m.

Nonstop4h 09m

Houston George Bush Intcntl

Sun 17/1

9:30 a.m.-1:03 p.m.

Nonstop4h 33m

C$ 536

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Fri 15/1

2:35 p.m.-7:44 p.m.

Nonstop4h 09m

Houston George Bush Intcntl

Sun 17/1

9:30 a.m.-1:03 p.m.

Nonstop4h 33m

C$ 536

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Thu 3/12

6:45 a.m.-3:38 p.m.

1 stop7h 53m

Houston George Bush Intcntl

Fri 11/12

6:10 p.m.-12:53 a.m.

1 stop7h 43m

C$ 556

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Sun 6/12

7:25 a.m.-6:20 p.m.

1 stop9h 55m

Houston George Bush Intcntl

Sun 13/12

6:15 a.m.-12:20 p.m.

1 stop7h 05m

C$ 564

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Tue 1/12

2:25 p.m.-10:25 p.m.

1 stop7h 00m

Houston George Bush Intcntl

Sun 13/12

6:15 a.m.-12:20 p.m.

1 stop7h 05m

C$ 564

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Thu 3/12

5:50 a.m.-3:38 p.m.

1 stop8h 48m

Houston George Bush Intcntl

Sat 12/12

3:30 p.m.-11:06 p.m.

1 stop8h 36m

C$ 567

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 typical for flights on this route.

Typical prices usually range from C$ 374 to C$ 701.
The lowest price recently found on this route was C$ 452.

What is the cheapest month to fly to Houston?

The month of January is, on average, the cheapest month to fly to Houston from Calgary, with most prices found around C$ 364. The month of September is another great option to travel to Houston, with average flight prices from Calgary averaging around C$ 428.

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$ 465. In contrast, the most expensive time of day to depart to Houston is at noon when prices are around C$ 830.

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$ 457 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$ 310 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

Best price found	C$ 210
Fastest flight time	4h 05m
Direct flights	Every day
Airports in Houston	2 airports

The best one-way flight to Houston from Calgary in the past 72 hours is C$ 210. The best round-trip flight deal from Calgary to Houston found on momondo in the last 72 hours is C$ 452.

The fastest flight from Calgary to Houston takes 4h 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 4h 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 November 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$ 138	Free Cancellation	Rating 7.3 10,473 reviews	Search United Airlines flights
Delta	PriceFrom C$ 187	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
WestJet	PriceFrom C$ 207	Free Cancellation	Rating 7.2 3,436 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 282	Free Cancellation	Rating 7.1 11,880 reviews	Search Air Canada flights
American Airlines	PriceFrom C$ 426	Free Cancellation	Rating 7.0 12,227 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.