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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

How often are flights from Calgary to Houston delayed?

About 15% of weekly flights between Calgary and Houston have experienced delays in the past year, with the average delay time being 140 minutes.

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

Over the past year, United Airlines has had the lowest number of delays on this route, with just 12% of flights being delayed.

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

Friday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

How long is the flight from Calgary to Houston George Bush Intcntl Airport?

A quick flight from Calgary to Houston George Bush Intcntl Airport can take about 7h 46m. Air Canada provides one of the quickest options available for as low as C$ 409. The distance from Calgary to Houston George Bush Intcntl Airport is about 2812 km. This flight may include one or multiple stops.

What are the cheapest airlines flying from Calgary to Houston George Bush Intcntl Airport round-trip?

Cheapflights users have booked flights from Calgary to Houston George Bush Intcntl Airport round-trip from C$ 135. Other airlines that can offer you cheap pricing are Air Canada, from C$ 148, and WestJet, from C$ 191. United Airlines is priced at 67% lower than the current average price of a flight leaving 3 months from now.

Weekly flight availability from Calgary to Houston George Bush Intcntl Airport

The most flights from YYC to IAH are scheduled on a Sunday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 81.0 - 150.0 mm per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 81.0 mm.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

What are the cheapest flights from Calgary to Houston George Bush Intcntl Airport?

Looking at all options, your cheapest flight can be booked for C$ 228. While the most popular route (Calgary - Houston George Bush Intcntl) can be booked for C$ 399 on average, our data indicates C$ 1,280 when flying from Calgary to Houston George Bush Intcntl Airport.

What are the most reliable airlines from Calgary to Houston George Bush Intcntl Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Calgary to Houston George Bush Intcntl Airport on time: Delta (80%), Aeromexico (79%), WestJet (78%).

What are the most popular airlines that fly from Calgary to Houston George Bush Intcntl Airport?

Before booking your flight from Calgary to Houston George Bush Intcntl Airport check out the most popular airlines for this route: WestJet, Air Canada or United Airlines.

What airport do you fly from for flights from Calgary to Houston George Bush Intcntl?

If you book a flight to Houston George Bush Intcntl from Calgary, you will be flying from Calgary, which is the city’s only airport. Calgary (YYC) is located 9.3 km from the centre of Calgary. There are 9 flights from Calgary to Houston George Bush Intcntl per day from 5 different airlines.

Can I find deals for flights from Calgary to George Bush Intcntl that include hotel bookings?

Yes. In addition to deals on Calgary to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Calgary to George Bush Intcntl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Calgary to George Bush Intcntl.

Can I find deals for business class flights from Calgary to George Bush Intcntl?

Yes. Cheapflights offers flight deals from Calgary to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 210+ Cheap Flights from Calgary to Houston George Bush Intcntl Airport

Q: How much does it cost to fly round-trip from Calgary to Houston George Bush Intcntl Airport?

Airfare is below average for this route at the moment. Calgary to Houston George Bush Intcntl Airport flights typically cost between C$ 632 and C$ 378 in October. The cheapest round-trip price found within the last 5 days was C$ 365 on WestJet (29 Oct-2 Nov).

Cheapflights Tip: The best prices from Calgary to Houston George Bush Intcntl are usually found in September or October, booked 76 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Calgary to George Bush Intcntl

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Calgary to George Bush Intcntl
Explore the most affordable flight options available from Calgary to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 May 2026.

Thu 29/107:30 a.m.

YYC

IAH

Nonstop4h 15m

WestJet

Mon 2/111:35 p.m.

IAH

YYC

Nonstop4h 31m

WestJet

Deal found 22/5C$ 365

Thu 30/75:30 p.m.

YYC

IAH

Nonstop4h 10m

WestJet

Thu 6/82:50 p.m.

IAH

YYC

Nonstop4h 20m

WestJet

Deal found 20/5C$ 368

Mon 17/811:55 p.m.

YYC

IAH

1 stop9h 55m

Air Canada

Mon 24/84:45 p.m.

IAH

YYC

1 stop8h 00m

Air Canada

Deal found 20/5C$ 373

Thu 10/96:00 a.m.

YYC

IAH

1 stop8h 37m

Air Canada

Sun 20/94:45 p.m.

IAH

YYC

1 stop7h 59m

Air Canada

Deal found 24/5C$ 374

Wed 21/108:45 a.m.

YYC

IAH

Nonstop4h 10m

WestJet

Wed 28/101:35 p.m.

IAH

YYC

Nonstop4h 31m

WestJet

Deal found 24/5C$ 380

Fri 18/912:55 a.m.

YYC

IAH

1 stop9h 12m

Air Canada

Sun 27/94:45 p.m.

IAH

YYC

1 stop9h 54m

Air Canada

Deal found 22/5C$ 385

Wed 28/107:30 a.m.

YYC

IAH

Nonstop4h 15m

WestJet

Mon 2/116:20 p.m.

IAH

YYC

Nonstop4h 31m

WestJet

Deal found 22/5C$ 390

Thu 23/77:00 a.m.

YYC

IAH

1 stop8h 30m

Air Canada

Sun 26/75:25 p.m.

IAH

YYC

1 stop9h 15m

Air Canada

Deal found 24/5C$ 392

Tue 15/96:00 a.m.

YYC

IAH

1 stop8h 37m

Air Canada

Sun 20/94:45 p.m.

IAH

YYC

1 stop7h 59m

Air Canada

Deal found 21/5C$ 394

Wed 9/126:00 a.m.

YYC

IAH

1 stop7h 38m

Air Canada

Wed 13/112:10 p.m.

IAH

YYC

1 stop11h 04m

Air Canada

Deal found 20/5C$ 395

Mon 19/107:00 a.m.

YYC

IAH

1 stop7h 37m

Air Canada

Sat 31/1012:10 p.m.

IAH

YYC

1 stop11h 04m

Air Canada

Deal found 24/5C$ 397

Wed 21/107:45 a.m.

YYC

IAH

2 stops15h 13m

Delta

Fri 30/107:15 a.m.

IAH

YYC

2 stops14h 39m

Delta

Deal found 24/5C$ 399

Find flight deals from Calgary to George Bush Intcntl

Round-trip from	C$ 365
One-way from	C$ 210
Popular in	February
Cheapest in	September
Average price	C$ 506
Good round-trip deal	C$ 416 or less
Good one-way deal	C$ 280 or less

WestJet
29/10-2/11
Nonstop
8h 46m total
Calgary to Houston

Search Deals

WestJet
10/6
Nonstop
4h 10m total
Calgary to Houston

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 33 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2026

Search Deals

Price to beat on a round-trip flight from Calgary to Houston George Bush Intcntl.

Search Deals

Price to beat on a one-way flight from Calgary to Houston George Bush Intcntl.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Tue 18/8

7:00 a.m.-3:46 p.m.

1 stop7h 46m

Houston George Bush Intcntl

Wed 19/8

4:45 p.m.-1:40 a.m.

1 stop9h 55m

C$ 409

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Sat 24/10

7:45 a.m.-11:58 p.m.

2 stops15h 13m

Houston George Bush Intcntl

Mon 26/10

10:45 a.m.-8:54 p.m.

1 stop11h 09m

C$ 426

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Sat 7/11

7:15 a.m.-10:48 p.m.

2 stops14h 33m

Houston George Bush Intcntl

Sat 14/11

6:30 a.m.-11:13 p.m.

2 stops17h 43m

C$ 428

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Sun 25/10

7:15 a.m.-11:28 p.m.

2 stops15h 13m

Houston George Bush Intcntl

Sun 15/11

5:55 a.m.-11:13 p.m.

2 stops18h 18m

C$ 486

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 29/10

7:45 a.m.-6:17 p.m.

1 stop9h 32m

Houston George Bush Intcntl

Sun 1/11

6:30 a.m.-11:13 p.m.

2 stops17h 43m

C$ 486

Quickest round-trip

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Mon 12/10

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

Nonstop4h 10m

Houston George Bush Intcntl

Sat 17/10

7:50 a.m.-1:07 p.m.

1 stop6h 17m

C$ 502

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Tue 9/6

6:45 a.m.-10:24 p.m.

2 stops14h 39m

Houston George Bush Intcntl

Sat 13/6

10:52 a.m.-8:38 p.m.

1 stop10h 46m

C$ 529

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 28/10

12:20 p.m.-5:35 p.m.

Nonstop4h 15m

Houston George Bush Intcntl

Sun 1/11

10:45 a.m.-8:54 p.m.

1 stop11h 09m

C$ 537

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Tue 18/8

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

Nonstop4h 10m

Houston George Bush Intcntl

Wed 19/8

2:28 p.m.-10:59 p.m.

1 stop9h 31m

C$ 543

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Mon 8/6

6:45 a.m.-5:43 p.m.

1 stop9h 58m

Houston George Bush Intcntl

Mon 15/6

10:52 a.m.-8:38 p.m.

1 stop10h 46m

C$ 578

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/5

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from Calgary to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Calgary with our price prediction graph.

YYC-IAH

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Calgary to Houston George Bush Intcntl Airport

Prices

Airlines

Delays

How far ahead should I book a flight from Calgary to Houston George Bush Intcntl Airport?

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Calgary to Houston George Bush Intcntl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Calgary to Houston George Bush Intcntl Airport?

Currently, September is the cheapest month in which you can book a flight from Calgary to Houston George Bush Intcntl Airport (average of C$ 251). Flying from Calgary to Houston George Bush Intcntl Airport in February is currently the most expensive (average of C$ 533). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YYC to IAH?

When flying from Calgary to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Calgary to Houston George Bush Intcntl Airport?

Reviews of airlines servicing George Bush Intcntl

Get a feel of what it's like to fly with Delta,United Airlines, andWestJet from Calgary to Houston George Bush Intcntl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,429 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Delta

7.9

Good

8,429 reviews

Delta

7.9

Good

8,429 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

United Airlines

7.4

Good

9,749 reviews

Delta

7.9

Good

8,429 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

WestJet

7.2

Good

3,345 reviews

Delta

7.9

Good

8,429 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

American Airlines

7.1

Good

11,629 reviews

Delta

7.9

Good

8,429 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Air Canada

7.1

Good

11,083 reviews

Delta

7.9

Good

8,429 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Related info for your journey

What airport do you fly from for flights from Calgary to Houston George Bush Intcntl?
If you book a flight to Houston George Bush Intcntl from Calgary, you will be flying from Calgary, which is the city’s only airport. Calgary (YYC) is located 9.3 km from the centre of Calgary. There are 9 flights from Calgary to Houston George Bush Intcntl per day from 5 different airlines.
How long is the flight from Calgary to Houston George Bush Intcntl Airport?
A quick flight from Calgary to Houston George Bush Intcntl Airport can take about 7h 46m. Air Canada provides one of the quickest options available for as low as C$ 409. The distance from Calgary to Houston George Bush Intcntl Airport is about 2812 km. This flight may include one or multiple stops.
What are the cheapest airlines flying from Calgary to Houston George Bush Intcntl Airport round-trip?
Cheapflights users have booked flights from Calgary to Houston George Bush Intcntl Airport round-trip from C$ 135. Other airlines that can offer you cheap pricing are Air Canada, from C$ 148, and WestJet, from C$ 191. United Airlines is priced at 67% lower than the current average price of a flight leaving 3 months from now.
What are the most reliable airlines from Calgary to Houston George Bush Intcntl Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Calgary to Houston George Bush Intcntl Airport on time: Delta (80%), Aeromexico (79%), WestJet (78%).
What are the cheapest flights from Calgary to Houston George Bush Intcntl Airport?
Looking at all options, your cheapest flight can be booked for C$ 228. While the most popular route (Calgary - Houston George Bush Intcntl) can be booked for C$ 399 on average, our data indicates C$ 1,280 when flying from Calgary to Houston George Bush Intcntl Airport.
Can I find deals for flights from Calgary to George Bush Intcntl that include hotel bookings?
Yes. In addition to deals on Calgary to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Calgary to George Bush Intcntl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Calgary to George Bush Intcntl.
Can I find deals for business class flights from Calgary to George Bush Intcntl?
Yes. Cheapflights offers flight deals from Calgary to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Calgary to Houston George Bush Intcntl Airport?
Currently, September is the cheapest month in which you can book a flight from Calgary to Houston George Bush Intcntl Airport (average of C$ 251). Flying from Calgary to Houston George Bush Intcntl Airport in February is currently the most expensive (average of C$ 533). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Airlines

Alternative routes

Complete your trip

Direct flights to Texas

Flights by cabin class

George Bush Intcntl flight routes

Other flight options

Other flights from Calgary

Popular flights

Fly from Calgary to George Bush Intcntl on these airlines

WestJet flights from Calgary to Houston George Bush Intcntl

Air Canada flights from Calgary to Houston George Bush Intcntl

United Airlines flights from Calgary to Houston George Bush Intcntl

Top 5 airlines flying from Calgary to George Bush Intcntl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 148	AverageC$ 422	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 189	AverageC$ 367	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Delta	CheapestC$ 243	AverageC$ 414	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	CheapestC$ 262	AverageC$ 558	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	CheapestC$ 306	AverageC$ 460	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Calgary to George Bush Intcntl?

Deals for Calgary to George Bush Intcntl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Calgary to George Bush Intcntl?

Cheapflights helps you find that perfect flight to George Bush Intcntl from Calgary by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Calgary to George Bush Intcntl with no change fees?

Yes, we can. To see specific flights from Calgary to George Bush Intcntl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Calgary to George Bush Intcntl become cheaper?

Yes, Cheapflights offers price alerts on Calgary to George Bush Intcntl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Calgary to Houston George Bush Intcntl Airport from C$ 210

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Calgary to George Bush Intcntl

Cheapest flights from Calgary to George Bush IntcntlExplore the most affordable flight options available from Calgary to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 May 2026.

Explore the most affordable flight options available from Calgary to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 May 2026.

Best flights from Calgary to George Bush IntcntlDiscover carefully curated flight deals from Calgary to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 May 2026.

Discover carefully curated flight deals from Calgary to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 May 2026.

Direct flights from Calgary to George Bush IntcntlExplore direct flight options from Calgary to George Bush Intcntl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 May 2026.

Explore direct flight options from Calgary to George Bush Intcntl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 May 2026.

Last-minute flights from Calgary to George Bush IntcntlDiscover last-minute flight deals from Calgary to George Bush Intcntl. Data last updated 25 May 2026 and is based on user searches.

Discover last-minute flight deals from Calgary to George Bush Intcntl. Data last updated 25 May 2026 and is based on user searches.

One-way flights from Calgary to George Bush IntcntlSearch for one-way flight options from Calgary to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated 25 May 2026.

Search for one-way flight options from Calgary to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated 25 May 2026.

Find flight deals from Calgary to George Bush Intcntl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Calgary to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Calgary with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Calgary to Houston George Bush Intcntl Airport

How far ahead should I book a flight from Calgary to Houston George Bush Intcntl Airport?

What is the cheapest month to book a flight from Calgary to Houston George Bush Intcntl Airport?

What is the cheapest time of day to fly from YYC to IAH?

How much does it cost to fly round-trip from Calgary to Houston George Bush Intcntl Airport?

Weekly flight availability from Calgary to Houston George Bush Intcntl Airport

How often are flights from Calgary to Houston delayed?

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

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

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

Reviews of airlines servicing George Bush Intcntl

Get a feel of what it's like to fly with Delta,United Airlines, andWestJet from Calgary to Houston George Bush Intcntl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Calgary to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Calgary to Houston George Bush Intcntl?

How long is the flight from Calgary to Houston George Bush Intcntl Airport?

What are the cheapest airlines flying from Calgary to Houston George Bush Intcntl Airport round-trip?

What are the most reliable airlines from Calgary to Houston George Bush Intcntl Airport?

What are the cheapest flights from Calgary to Houston George Bush Intcntl Airport?

Can I find deals for flights from Calgary to George Bush Intcntl that include hotel bookings?

How can I find direct flights from Calgary to George Bush Intcntl?

Can I find deals for business class flights from Calgary to George Bush Intcntl?

What is the cheapest month to book a flight from Calgary to Houston George Bush Intcntl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Calgary to George Bush Intcntl on these airlines

Choose from the following airlines for your flight from Calgary to George Bush Intcntl. Flights are based on user searches made on Cheapflights and were last updated on 25 May 2026.

Alternative routes for Calgary to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to George Bush Intcntl by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Texas

Book a non-stop flight to one of these other cities located in Texas.

Search flights from Calgary to George Bush Intcntl by cabin class

Find flights from Calgary to George Bush Intcntl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to George Bush Intcntl

Explore flights to George Bush Intcntl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 25 May 2026.

Calgary and George Bush Intcntl flights

Browse other Calgary and George Bush Intcntl flight options. Last updated on 25 May 2026.

Other flights from Calgary

Browse through other flights departing from Calgary. Flights are based on user searches made on Cheapflights and were last updated on 25 May 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 5 airlines flying from Calgary to George Bush Intcntl

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Calgary to George Bush Intcntl?

Why should you use Cheapflights to find cheap flight tickets from Calgary to George Bush Intcntl?

Can Cheapflights find flights from Calgary to George Bush Intcntl with no change fees?

Can Cheapflights notify me if prices for flights from Calgary to George Bush Intcntl become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Calgary to George Bush Intcntl
Explore the most affordable flight options available from Calgary to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 May 2026.

Best flights from Calgary to George Bush Intcntl
Discover carefully curated flight deals from Calgary to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 May 2026.

Direct flights from Calgary to George Bush Intcntl
Explore direct flight options from Calgary to George Bush Intcntl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 May 2026.

Last-minute flights from Calgary to George Bush Intcntl
Discover last-minute flight deals from Calgary to George Bush Intcntl. Data last updated 25 May 2026 and is based on user searches.

One-way flights from Calgary to George Bush Intcntl
Search for one-way flight options from Calgary to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated 25 May 2026.