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Cheap flights from Calgary to Houston George Bush Intcntl Airport from C$ 149

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAH
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Calgary to Houston George Bush Intcntl are usually found in September or May, booked 88 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Calgary to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to George Bush Intcntl (IAH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 September 2025.

Round-trip from

C$ 210

One-way from

C$ 149

Popular in

December

Cheapest in

September

Average price

C$ 275

Good round-trip deal

C$ 237 or less

Good one-way deal

C$ 323 or less
WestJet
  • WestJet
  • 3/11-12/11
  • Nonstop
  • 8h 45m total
  • Calgary to Houston
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WestJet
  • WestJet
  • 2/10
  • Nonstop
  • 4h 10m total
  • Calgary to Houston
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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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

Find flight deals from Calgary to George Bush Intcntl

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 16 September 2025.

Mon 3/117:30 a.m.YYC - IAH
Nonstop4h 14mWestJet
Sat 8/116:20 p.m.IAH - YYC
Nonstop4h 31mWestJet
Deal found 15/9C$ 210
Wed 22/109:00 a.m.YYC - IAH
Nonstop4h 10mWestJet
Mon 27/106:20 p.m.IAH - YYC
Nonstop4h 31mWestJet
Deal found 14/9C$ 211
Thu 16/109:00 a.m.YYC - IAH
Nonstop4h 10mWestJet
Thu 23/103:00 p.m.IAH - YYC
Nonstop4h 21mWestJet
Deal found 16/9C$ 221
Fri 10/105:30 p.m.YYC - IAH
Nonstop4h 13mWestJet
Sun 12/103:00 p.m.IAH - YYC
Nonstop4h 21mWestJet
Deal found 14/9C$ 224
Sat 1/111:30 p.m.YYC - IAH
Nonstop4h 16mUnited Airlines
Sun 9/118:30 a.m.IAH - YYC
1 stop14h 23mUnited Airlines
Deal found 15/9C$ 232
Sat 1/1112:20 p.m.YYC - IAH
Nonstop4h 09mWestJet
Fri 7/119:43 p.m.IAH - YYC
1 stop14h 52mWestJet
Deal found 16/9C$ 233
Sat 1/1112:20 p.m.YYC - IAH
Nonstop4h 09mWestJet
Sat 8/116:20 p.m.IAH - YYC
Nonstop4h 31mWestJet
Deal found 15/9C$ 249
Wed 29/106:15 a.m.YYC - IAH
1 stop16h 44mUnited Airlines
Sat 8/118:30 a.m.IAH - YYC
1 stop6h 51mUnited Airlines
Deal found 15/9C$ 254
Fri 10/106:10 a.m.YYC - IAH
1 stop8h 32mAir Canada
Sun 12/104:50 p.m.IAH - YYC
1 stop8h 52mAir Canada
Deal found 14/9C$ 256
Thu 9/107:00 a.m.YYC - IAH
1 stop7h 42mAir Canada
Fri 10/104:50 p.m.IAH - YYC
1 stop8h 52mAir Canada
Deal found 14/9C$ 257
Sat 1/111:30 p.m.YYC - IAH
Nonstop4h 16mUnited Airlines
Sat 8/118:30 a.m.IAH - YYC
1 stop6h 51mUnited Airlines
Deal found 15/9C$ 261
Sat 1/116:00 a.m.YYC - IAH
1 stop9h 24mAir Canada
Fri 7/115:25 p.m.IAH - YYC
1 stop8h 04mAir Canada
Deal found 16/9C$ 262

Cheapflights Fare Finder

 
Customize your flight search to find flights from Calgary to George Bush Intcntl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Calgary to Houston George Bush Intcntl Airport that are best for you.

Fly from

Calgary

Fly to

George Bush Intcntl

Route

Depart

Return

Price

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Sat 1/11

2:13 p.m.-8:53 p.m.

1 stop5h 40m

Houston George Bush Intcntl

Sat 8/11

8:30 a.m.-2:21 p.m.

1 stop6h 51m

C$ 254

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 22/1

1:30 p.m.-6:41 p.m.

Nonstop4h 11m

Houston George Bush Intcntl

Sat 7/2

9:50 p.m.-11:35 a.m.

1 stop14h 45m

C$ 261

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Sat 7/3

6:20 a.m.-11:59 p.m.

1 stop16h 39m

Houston George Bush Intcntl

Wed 11/3

5:00 a.m.-11:54 a.m.

1 stop7h 54m

C$ 269

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 31/10

2:13 p.m.-10:51 p.m.

1 stop7h 38m

Houston George Bush Intcntl

Mon 3/11

9:43 p.m.-11:35 a.m.

1 stop14h 52m

C$ 269

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 13/11

1:30 p.m.-6:46 p.m.

Nonstop4h 16m

Houston George Bush Intcntl

Tue 18/11

11:55 a.m.-8:39 p.m.

1 stop9h 44m

C$ 291

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 18/12

6:10 a.m.-10:20 p.m.

1 stop15h 10m

Houston George Bush Intcntl

Mon 5/1

6:40 p.m.-11:35 a.m.

1 stop17h 55m

C$ 314

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Mon 8/12

7:30 a.m.-12:44 p.m.

Nonstop4h 14m

Houston George Bush Intcntl

Mon 15/12

6:30 a.m.-5:15 p.m.

1 stop11h 45m

C$ 315

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 29/10

12:32 p.m.-9:32 p.m.

1 stop8h 00m

Houston George Bush Intcntl

Tue 11/11

6:45 a.m.-1:53 p.m.

1 stop8h 08m

C$ 341

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Tue 28/10

12:32 p.m.-9:32 p.m.

1 stop8h 00m

Houston George Bush Intcntl

Tue 11/11

2:27 p.m.-8:53 p.m.

1 stop7h 26m

C$ 341

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Mon 27/10

12:30 a.m.-12:24 p.m.

1 stop10h 54m

Houston George Bush Intcntl

Fri 7/11

1:35 p.m.-5:06 p.m.

Nonstop4h 31m

C$ 345

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 20 results
1
2

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.
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

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

Use this chart to determine the optimal time to book a round-trip flight from Calgary to George Bush Intcntl. Price data was last updated on 12 September 2025.

Booking 52 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$ 343). Flying from Calgary to Houston George Bush Intcntl Airport in March is currently the most expensive (average of C$ 469). 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?

Find hourly flight availability from Calgary to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2025.

A simple way to save on the total cost of your ticket is to fly from Calgary to Houston George Bush Intcntl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 67% on your trip compared to booking a flight at noon.

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 insights into the airlines that provide service to George Bush Intcntl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to George Bush Intcntl. Reviews last updated 16 September 2025.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines 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
8.0
Very good
7,957 reviews
Check prices

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews
Check prices

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews
Check prices

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews
Check prices

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
WestJet
7.2
Good
3,093 reviews
Delta
8.0
Very good
7,957 reviews
Check prices

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews
Check prices

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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?

    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 6 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 5h 40m. United Airlines provides one of the quickest options available for as low as C$ 254. The distance from Calgary to Houston George Bush Intcntl Airport is about 2812 km.

  • 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$ 168. Other airlines that can offer you cheap pricing are United Airlines, from C$ 172, and WestJet, from C$ 235. American Airlines is priced at 58% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Calgary to Houston George Bush Intcntl Airport one-way?

    C$ 153 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from C$ 163 and C$ 166, respectively.

  • 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: United Airlines (84%), Avianca (82%), Air Canada (76%).

  • 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$ 124. While the most popular route (Calgary - Houston George Bush Intcntl) can be booked for C$ 235 on average, our data indicates C$ 501 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$ 343). Flying from Calgary to Houston George Bush Intcntl Airport in March is currently the most expensive (average of C$ 469). 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

Travelling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Humble
Katy
Cypress

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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 16 September 2025.
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

Discover the top 5 airlines that operate flights from Calgary to George Bush Intcntl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 168AverageC$ 449FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 172AverageC$ 624FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 235AverageC$ 406FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 237AverageC$ 388FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 288AverageC$ 452FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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?

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.

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