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George Bush Intcntl

$136+ Cheap flights from Calgary (YYC) to George Bush Intcntl (IAH)

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAH
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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 Saturday or Thursday and return on a Tuesday

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 August 14, 2025.

Round-trip from

$170
(Kiwi.com)

One-way from

$136
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$265

Good round-trip deal

$300 or less

Good one-way deal

$301 or less
From Calgary to Houston George Bush Intcntl
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One-way flight from Calgary to Houston George Bush Intcntl
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Highest demand for flights based on searches. 16% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Calgary to Houston George Bush Intcntl.
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Price to beat on a one-way flight from Calgary to Houston George Bush Intcntl.
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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 August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:00 amYYC - IAH
Nonstop4h 10mWestJet
Tue 10/143:00 pmIAH - YYC
Nonstop4h 21mWestJet
Deal found 8/13$170
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/289:00 amYYC - IAH
Nonstop4h 11mWestJet
Mon 9/88:00 amIAH - YYC
Nonstop4h 20mWestJet
Deal found 8/14$171
This Booking.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:30 pmYYC - IAH
Nonstop4h 13mWestJet
Mon 10/138:00 amIAH - YYC
Nonstop4h 20mWestJet
Deal found 8/13$178
This Air Canada deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:15 amYYC - IAH
1 stop8h 27mAir Canada
Tue 9/3010:00 amIAH - YYC
1 stop12h 38mAir Canada
Deal found 8/14$181
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:00 amYYC - IAH
Nonstop4h 10mWestJet
Sun 10/123:00 pmIAH - YYC
Nonstop4h 21mWestJet
Deal found 8/13$182
This Air Canada deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:00 amYYC - IAH
1 stop7h 42mAir Canada
Tue 9/2312:00 pmIAH - YYC
1 stop9h 27mAir Canada
Deal found 8/14$187
This Booking.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:00 amYYC - IAH
Nonstop4h 10mWestJet
Mon 10/138:00 amIAH - YYC
Nonstop4h 20mWestJet
Deal found 8/13$189
This SmartFares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/219:00 amYYC - IAH
Nonstop4h 11mWestJet
Tue 8/263:00 pmIAH - YYC
Nonstop4h 20mWestJet
Deal found 8/14$194
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:13 pmYYC - IAH
1 stop8h 46mUnited Airlines
Sat 11/2911:55 pmIAH - YYC
1 stop15h 26mUnited Airlines
Deal found 8/13$196
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/229:00 amYYC - IAH
Nonstop4h 11mWestJet
Mon 8/258:00 amIAH - YYC
Nonstop4h 17mWestJet
Deal found 8/14$199
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:30 pmYYC - IAH
Nonstop4h 16mUnited Airlines
Mon 11/39:43 pmIAH - YYC
1 stop14h 52mUnited Airlines
Deal found 8/14$200
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:30 pmYYC - IAH
Nonstop4h 12mWestJet
Mon 8/253:00 pmIAH - YYC
Nonstop4h 20mWestJet
Deal found 8/14$203

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 2,558,603 searches. Data last updated August 14, 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

Tue 9/30

9:00 am-2:10 pm

Nonstop4h 10m

Houston George Bush Intcntl

Sun 10/12

3:00 pm-6:21 pm

Nonstop4h 21m

$170

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Tue 9/30

9:00 am-2:10 pm

Nonstop4h 10m

Houston George Bush Intcntl

Tue 10/14

3:00 pm-6:21 pm

Nonstop4h 21m

$170

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 8/28

9:00 am-2:11 pm

Nonstop4h 11m

Houston George Bush Intcntl

Mon 9/8

8:00 am-11:20 am

Nonstop4h 20m

$171

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 10/2

9:00 am-2:10 pm

Nonstop4h 10m

Houston George Bush Intcntl

Wed 10/15

3:00 pm-6:21 pm

Nonstop4h 21m

$178

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 11/20

1:30 pm-6:46 pm

Nonstop4h 16m

Houston George Bush Intcntl

Sat 11/29

11:55 pm-2:21 pm

1 stop15h 26m

$181

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 9/26

6:15 am-3:42 pm

1 stop8h 27m

Houston George Bush Intcntl

Tue 9/30

10:00 am-9:38 pm

1 stop12h 38m

$181

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 11/26

1:30 pm-6:46 pm

Nonstop4h 16m

Houston George Bush Intcntl

Sat 11/29

11:55 pm-2:21 pm

1 stop15h 26m

$181

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Sat 11/22

1:30 pm-6:46 pm

Nonstop4h 16m

Houston George Bush Intcntl

Sat 11/29

11:55 pm-2:21 pm

1 stop15h 26m

$181

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 11/21

1:30 pm-6:46 pm

Nonstop4h 16m

Houston George Bush Intcntl

Sat 11/29

11:55 pm-2:21 pm

1 stop15h 26m

$181

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 10/1

9:00 am-2:10 pm

Nonstop4h 10m

Houston George Bush Intcntl

Sun 10/12

3:00 pm-6:21 pm

Nonstop4h 21m

$182

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 21 results
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The best insider tips for Calgary to Houston George Bush Intcntl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to Houston George Bush Intcntl Airport trip
Airlines
WestJet

WestJet's PremiumFlex includes two checked bags, seat selection, and no change fees.


WestJet's Elevation Lounge in Calgary offers hot food and showers for eligible passengers.

Read more about WestJetby Mark Chesnut
United Airlines

United's Polaris Lounges offer showers, napping areas, and dining for premium passengers.


United's Economy Plus offers extra legroom and priority boarding for MileagePlus Premier members.

Read more about United Airlinesby Harriet Baskas
Airports
YYC

For a quick check-in, use the spacious area at YYC with natural light and clean facilities, ideal for business travelers.

Read more about YYCby Jenna Scatena
IAH

For a quick ride to downtown Houston, consider Uber or Lyft from IAH, taking around 25 minutes by car.

Read more about IAHby Evie Carrick
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on WestJet

Mark Chesnut

Mark Chesnut

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Jenna Scatena

Jenna Scatena

Expert on YYC

Jenna Scatena

Jenna Scatena

Journalist and Travel Writer, Jenna Scatena is an award-winning travel writer with a love for sharing stories and exploring new places, especially by Vespa. Though she's from San Francisco, she has spent a significant chunk of her vacation days over the last decade eating her way through Texas and sleeping in hotels around the world—especially in California, the Middle East, and Europe.

Read more

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 August 8, 2025.

Booking 88 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, August is the cheapest month in which you can book a flight from Calgary to Houston George Bush Intcntl Airport (average of $241). Flying from Calgary to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 August 14, 2025.

When flying from Calgary to Houston George Bush Intcntl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 58% versus a flight at noon.

Weekly flight availability from Calgary to Houston George Bush Intcntl Airport

Explore weekly flight availability from Calgary to George Bush Intcntl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 14, 2025.

The most flights from YYC to IAH are scheduled on a Thursday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

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 August 14, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and WestJet from Calgary to Houston George Bush Intcntl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
3,015 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
9,949 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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?

    For a flight from Calgary to Houston George Bush Intcntl, you will be flying from Calgary. Calgary (YYC) is just 5.8 mi from the center of the city. Calgary is the only Calgary airport and it handles 10 outbound flights to Houston George Bush Intcntl per day. 4 airlines have flights to Houston George Bush Intcntl from Calgary on a regular basis.

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

    Currently priced at $151, Delta will fly you from Calgary to Houston George Bush Intcntl Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from WestJet and Air Canada - these airlines can fly you to your destination from $170 and $178, respectively. You may be able to fly from Calgary to Houston George Bush Intcntl Airport for 48% less than the average price by searching for these airlines.

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

    Before booking your flight to Houston George Bush Intcntl Airport from Calgary, check out the most reliable airlines to get you to your destination on time: Avianca (83%), Air Canada (74%), United Airlines( 74%).

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

    Looking for the cheapest flight from Calgary to Houston George Bush Intcntl Airport? While on average our users pay $412, our data indicates the cheapest price to be $148. The most popular route (Calgary - Houston George Bush Intcntl), is priced around $174.

  • 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, August is the cheapest month in which you can book a flight from Calgary to Houston George Bush Intcntl Airport (average of $241). Flying from Calgary to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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

Traveling 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
Montgomery
Spring
Humble
The Woodlands
Conroe
Tomball
Katy
Jersey Village
Cypress

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Alternative routes for Calgary to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
Edmonton to Hobby flights
Calgary to Hobby flights
Edmonton to George Bush Intcntl flights
Fort McMurray to George Bush Intcntl flights

Top 4 airlines flying from Calgary to George Bush Intcntl

Discover the top 4 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 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$151Average$349FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$170Average$346FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$178Average$335FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$266Average$396FlexibilityNo cancel feeOn-time69%

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