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. 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, 6 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 55% 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 13% of their flights experiencing any sort of delay.

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

As of August 2026, there are 42 flights per week flying from Calgary to Houston. The most common day of the week flights depart is Sun, with 21% 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?

Delta, United Airlines, and American Airlines 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.

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 138 minutes.

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$ 251 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.

8:45 a.m. - 1:55 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 10mdirect

2:50 p.m. - 6:10 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 20mdirect

C$ 307WestJet

Thu, 10 Sep - Wed, 16 Sep

8:45 a.m. - 1:55 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 10mdirect

2:50 p.m. - 6:10 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 20mdirect

C$ 308WestJet

Sat, 5 Sep - Wed, 9 Sep

6:50 a.m. - 3:37 p.m.YYC Calgary-IAH Houston George Bush Intcntl

7h 47m1 stop Vancouver Intl

4:45 p.m. - 11:44 p.m.IAH Houston George Bush Intcntl-YYC Calgary

7h 59m1 stop Vancouver Intl

C$ 328Air Canada

Tue, 6 Oct - Tue, 13 Oct

6:00 a.m. - 3:37 p.m.YYC Calgary-IAH Houston George Bush Intcntl

8h 37m1 stop Vancouver Intl

4:45 p.m. - 1:39 a.m.IAH Houston George Bush Intcntl-YYC Calgary

9h 54m1 stop Vancouver Intl

C$ 354Air Canada

Thu, 1 Oct - Thu, 8 Oct

12:30 p.m. - 10:45 p.m.YYC Calgary-IAH Houston George Bush Intcntl

9h 15m1 stop Chicago O'Hare Intl

9:30 a.m. - 12:54 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 24mdirect

C$ 365United Airlines

Fri, 23 Oct - Sat, 24 Oct

5:30 p.m. - 10:40 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 10mdirect

9:04 p.m. - 5:10 p.m.IAH Houston George Bush Intcntl-YYC Calgary

21h 06m1 stop Atlanta Hartsfield-Jackson

C$ 368Multiple Airlines

Fri, 4 Sep - Thu, 10 Sep

6:00 a.m. - 10:59 p.m.YYC Calgary-IAH Houston George Bush Intcntl

15h 59m1 stop Denver Intl

5:00 a.m. - 11:28 a.m.IAH Houston George Bush Intcntl-YYC Calgary

7h 28m1 stop Chicago O'Hare Intl

C$ 373United Airlines

Sat, 3 Oct - Tue, 6 Oct

5:30 p.m. - 10:40 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 10mdirect

9:04 p.m. - 3:15 p.m.IAH Houston George Bush Intcntl-YYC Calgary

19h 11m2 stops Atlanta Hartsfield-Jackson Vancouver Intl

C$ 376Multiple Airlines

Fri, 4 Sep - Thu, 10 Sep

7:45 a.m. - 5:50 p.m.YYC Calgary-IAH Houston George Bush Intcntl

9h 05m1 stop Minneapolis St Paul

2:19 p.m. - 11:12 p.m.IAH Houston George Bush Intcntl-YYC Calgary

9h 53m1 stop Salt Lake City

C$ 394Delta

Wed, 21 Oct - Sat, 31 Oct

6:35 a.m. - 9:17 p.m.YYC Calgary-IAH Houston George Bush Intcntl

13h 42m2 stops Salt Lake City Minneapolis St Paul

2:19 p.m. - 1:12 a.m.IAH Houston George Bush Intcntl-YYC Calgary

10h 53m1 stop Salt Lake City

C$ 402Delta

Sat, 31 Oct - Sat, 7 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

7:00 p.m. - 1:31 p.m.YYC Calgary-IAH Houston George Bush Intcntl

17h 31m2 stops Seattle/Tacoma Intl Portland

6:30 a.m. - 9:50 a.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 20mdirect

C$ 639Multiple Airlines

Tue, 25 Aug - Fri, 28 Aug

8:50 p.m. - 11:56 p.m.YYC Calgary-IAH Houston George Bush Intcntl

26h 06m3 stops Vancouver Intl Edmonton Los Angeles

6:30 a.m. - 9:50 a.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 20mdirect

C$ 665Multiple Airlines

Tue, 25 Aug - Fri, 28 Aug

6:33 a.m. - 5:13 p.m.YYC Calgary-IAH Houston George Bush Intcntl

9h 40m1 stop Seattle/Tacoma Intl

2:50 p.m. - 6:10 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 20mdirect

C$ 677Multiple Airlines

Wed, 26 Aug - Wed, 2 Sep

8:45 a.m. - 1:55 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 10mdirect

6:30 a.m. - 9:50 a.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 20mdirect

C$ 771Delta

Tue, 25 Aug - Fri, 28 Aug

8:45 a.m. - 1:55 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 10mdirect

2:50 p.m. - 6:10 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 20mdirect

C$ 782Delta

Thu, 27 Aug - Wed, 30 Sep

8:45 a.m. - 1:55 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 10mdirect

6:30 a.m. - 9:50 a.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 20mdirect

C$ 783Delta

Tue, 25 Aug - Sat, 29 Aug

1:56 p.m. - 7:06 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 10mdirect

9:30 a.m. - 12:54 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 24mdirect

C$ 865United Airlines

Thu, 27 Aug - Wed, 30 Sep

11:40 a.m. - 10:05 p.m.YYC Calgary-HOU Houston Hobby

9h 25m1 stop Atlanta Hartsfield-Jackson

6:00 a.m. - 5:10 p.m.HOU Houston Hobby-YYC Calgary

12h 10m2 stops Atlanta Hartsfield-Jackson Toronto Pearson Intl

C$ 1,212WestJet

Wed, 26 Aug - Wed, 2 Sep

12:20 a.m. - 9:50 a.m.YYC Calgary-HOU Houston Hobby

8h 30m1 stop Atlanta Hartsfield-Jackson

1:13 p.m. - 9:50 p.m.HOU Houston Hobby-YYC Calgary

9h 37m1 stop Atlanta Hartsfield-Jackson

C$ 1,216WestJet

Tue, 25 Aug - Wed, 2 Sep

11:05 a.m. - 9:50 p.m.YYC Calgary-IAH Houston George Bush Intcntl

9h 45m2 stops Vancouver Intl Salt Lake City

7:30 a.m. - 5:00 p.m.IAH Houston George Bush Intcntl-YYC Calgary

10h 30m2 stops Salt Lake City Vancouver Intl

C$ 1,242WestJet

Tue, 25 Aug - Fri, 28 Aug

Cheap direct flights

Enter your travel dates to find the best prices.

8:45 a.m. - 1:55 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 10mdirect

2:50 p.m. - 6:10 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 20mdirect

C$ 307WestJet

Thu, 10 Sep - Wed, 16 Sep

8:45 a.m. - 1:55 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 10mdirect

2:50 p.m. - 6:10 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 20mdirect

C$ 308WestJet

Sat, 12 Sep - Sat, 19 Sep

8:45 a.m. - 1:55 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 10mdirect

2:50 p.m. - 6:10 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 20mdirect

C$ 308WestJet

Sun, 20 Sep - Fri, 25 Sep

1:35 p.m. - 6:49 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 14mdirect

9:33 a.m. - 3:03 p.m.IAH Houston George Bush Intcntl-YYC Calgary

5h 30mdirect

C$ 419United Airlines

Sat, 31 Oct - Sat, 7 Nov

8:45 a.m. - 1:55 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 10mdirect

6:30 a.m. - 9:50 a.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 20mdirect

C$ 458Delta

Sun, 6 Sep - Fri, 11 Sep

8:45 a.m. - 1:55 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 10mdirect

2:50 p.m. - 6:10 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 20mdirect

C$ 458Delta

Sun, 6 Sep - Thu, 10 Sep

2:55 p.m. - 6:00 p.m.YYC Calgary-IAH Houston George Bush Intcntl

3h 05mdirect

9:35 a.m. - 3:05 p.m.IAH Houston George Bush Intcntl-YYC Calgary

5h 30mdirect

C$ 461United Airlines

Wed, 3 Feb - Sun, 14 Feb

2:55 p.m. - 6:00 p.m.YYC Calgary-IAH Houston George Bush Intcntl

3h 05mdirect

9:35 a.m. - 3:05 p.m.IAH Houston George Bush Intcntl-YYC Calgary

5h 30mdirect

C$ 461United Airlines

Thu, 28 Jan - Wed, 10 Feb

1:35 p.m. - 6:49 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 14mdirect

9:33 a.m. - 1:03 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 30mdirect

C$ 633Air Canada

Tue, 27 Oct - Fri, 30 Oct

1:56 p.m. - 7:06 p.m.YYC Calgary-IAH Houston George Bush Intcntl

4h 10mdirect

9:33 a.m. - 1:03 p.m.IAH Houston George Bush Intcntl-YYC Calgary

4h 30mdirect

C$ 654Air Canada

Wed, 21 Oct - Sat, 31 Oct

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Delta flights from Calgary to Houston

Our best Delta deals on Calgary to Houston flight tickets

Delta

3 Nov

YYC7:45 a.m.Calgary

14h 18m

2 stops

HOU10:03 p.m.Houston Hobby

10 Nov

HOU6:00 a.m.Houston Hobby

16h 58m

2 stops

YYC10:58 p.m.Calgary

C$ 402

Delta

30 Aug

YYC6:45 a.m.Calgary

9h 55m

1 stop

IAH5:40 p.m.Houston George Bush Intcntl

12 Sep

IAH10:44 a.m.Houston George Bush Intcntl

10h 58m

1 stop

YYC8:42 p.m.Calgary

C$ 419

Delta

5 Sep

YYC6:45 a.m.Calgary

6h 24m

1 stop

IAH2:09 p.m.Houston George Bush Intcntl

9 Sep

IAH2:25 p.m.Houston George Bush Intcntl

9h 41m

1 stop

YYC11:06 p.m.Calgary

C$ 421

American Airlines flights from Calgary to Houston

Our best American Airlines deals on Calgary to Houston flight tickets

American Airlines

3 Sep

YYC6:45 a.m.Calgary

7h 46m

1 stop

IAH3:31 p.m.Houston George Bush Intcntl

30 Sep

IAH2:08 p.m.Houston George Bush Intcntl

10h 21m

1 stop

YYC11:29 p.m.Calgary

C$ 434

American Airlines

3 Sep

YYC6:45 a.m.Calgary

7h 41m

1 stop

HOU3:26 p.m.Houston Hobby

14 Sep

HOU4:18 p.m.Houston Hobby

6h 24m

1 stop

YYC9:42 p.m.Calgary

C$ 501

American Airlines

5 Sep

YYC6:45 a.m.Calgary

7h 41m

1 stop

HOU3:26 p.m.Houston Hobby

7 Sep

HOU5:41 a.m.Houston Hobby

7h 09m

1 stop

YYC11:50 a.m.Calgary

C$ 574

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Thu 10/9

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$ 307

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Sat 5/9

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

Nonstop4h 10m

Houston George Bush Intcntl

Wed 9/9

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

Nonstop4h 20m

C$ 308

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Tue 6/10

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

1 stop7h 47m

Houston George Bush Intcntl

Tue 13/10

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

1 stop7h 59m

C$ 328

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Thu 1/10

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

1 stop8h 37m

Houston George Bush Intcntl

Thu 8/10

4:45 p.m.-1:39 a.m.

1 stop9h 54m

C$ 354

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Fri 23/10

12:30 p.m.-10:45 p.m.

1 stop9h 15m

Houston George Bush Intcntl

Sat 24/10

9:30 a.m.-12:54 p.m.

Nonstop4h 24m

C$ 365

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Fri 4/9

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

Nonstop4h 10m

Houston George Bush Intcntl

Thu 10/9

9:04 p.m.-5:10 p.m.

1 stop21h 06m

C$ 368

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Sat 3/10

6:00 a.m.-10:59 p.m.

1 stop15h 59m

Houston George Bush Intcntl

Tue 6/10

5:00 a.m.-11:28 a.m.

1 stop7h 28m

C$ 373

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Fri 4/9

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

Nonstop4h 10m

Houston George Bush Intcntl

Thu 10/9

9:04 p.m.-3:15 p.m.

2 stops19h 11m

C$ 376

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Wed 21/10

7:45 a.m.-5:50 p.m.

1 stop9h 05m

Houston George Bush Intcntl

Sat 31/10

2:19 p.m.-11:12 p.m.

1 stop9h 53m

C$ 394

CalgaryHouston

YYC Calgary - IAH Houston George Bush Intcntl

YYCIAH

Calgary

Sat 31/10

6:35 a.m.-9:17 p.m.

2 stops13h 42m

Houston George Bush Intcntl

Sat 7/11

2:19 p.m.-1:12 a.m.

1 stop10h 53m

C$ 402

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$ 294 to C$ 485.
The lowest price recently found on this route was C$ 307.

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$ 277. The month of January is another great option to travel to Houston, with average flight prices from Calgary averaging around C$ 313.

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$ 862.

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$ 411 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$ 255 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$ 251
Fastest flight time	3h 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$ 251. The best round-trip flight deal from Calgary to Houston found on momondo in the last 72 hours is C$ 307.

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$ 128	Free Cancellation	Rating 7.4 10,115 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 155	Free Cancellation	Rating 7.1 11,525 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 186	Free Cancellation	Rating 7.2 3,438 reviews	Search WestJet flights
Delta	PriceFrom C$ 242	Free Cancellation	Rating 7.8 8,517 reviews	Search Delta flights
American Airlines	PriceFrom C$ 309	Free Cancellation	Rating 7.1 11,980 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.