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George Bush Intcntl

$112+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAH
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Find cheap flights from Calgary to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from Calgary to Houston George Bush Intcntl are usually found in September or October, booked 82 days in advance, depart on a Thursday or Saturday and return on a Tuesday

Cheap 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 December 26, 2025.

This American Airlines deal was found by Cheapflights users on 12/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:31 pmYYC - IAH
1 stop9h 04mAmerican Airlines
Mon 1/56:00 amIAH - YYC
1 stop6h 40mAmerican Airlines
Deal found 12/25$615
This oojo deal was found by Cheapflights users on 12/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:30 amYYC - IAH
Nonstop4h 14mWestJet
Mon 12/296:20 pmIAH - YYC
Nonstop4h 31mWestJet
Deal found 12/25$630
This FlightHub deal was found by Cheapflights users on 12/24. 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.
Mon 12/298:55 amYYC - IAH
1 stop27h 52mWestJet
Mon 1/510:33 amIAH - YYC
1 stop26h 11mWestJet
Deal found 12/24$646
This Air Canada deal was found by Cheapflights users on 12/25. 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.
Tue 12/3011:40 amYYC - IAH
1 stop9h 04mAir Canada
Tue 1/67:10 amIAH - YYC
1 stop14h 49mAir Canada
Deal found 12/25$647
This Kiwi.com deal was found by Cheapflights users on 12/25. 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.
Mon 12/296:30 amYYC - IAH
1 stop16h 08mWestJet
Fri 1/21:35 pmIAH - YYC
Nonstop4h 31mWestJet
Deal found 12/25$652
This Mytrip deal was found by Cheapflights users on 12/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amYYC - IAH
1 stop9h 24mAir Canada
Wed 1/75:25 pmIAH - YYC
1 stop8h 19mAir Canada
Deal found 12/25$654
This Justfly.com deal was found by Cheapflights users on 12/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/272:45 pmYYC - IAH
1 stop7h 53mWestJet
Sat 1/36:27 amIAH - YYC
2 stops15h 35mWestJet
Deal found 12/24$661
This Air Canada deal was found by Cheapflights users on 12/23. 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.
Wed 12/241:30 pmYYC - IAH
Nonstop4h 13mAir Canada
Wed 12/315:25 pmIAH - YYC
1 stop8h 04mAir Canada
Deal found 12/23$662

Find 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 December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$145
(Super.com)

One-way from

$112
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$404

Good round-trip deal

$187 or less

Good one-way deal

$227 or less
Provider with most accurate pricing for Calgary-Houston George Bush Intcntl flight deals.
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Provider most trusted by Cheapflights users for Calgary-Houston George Bush Intcntl flights.
Search Deals
From Calgary to Houston George Bush Intcntl
Search Deals
One-way flight from Calgary to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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

 
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 December 26, 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

Fri 1/9

1:30 pm-6:41 pm

Nonstop4h 11m

Houston George Bush Intcntl

Thu 1/22

12:40 pm-9:53 pm

1 stop10h 13m

$178

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 1/15

1:30 pm-6:41 pm

Nonstop4h 11m

Houston George Bush Intcntl

Mon 1/19

11:00 am-9:53 pm

1 stop11h 53m

$198

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 1/9

1:30 pm-6:41 pm

Nonstop4h 11m

Houston George Bush Intcntl

Tue 1/13

8:23 am-9:53 pm

2 stops14h 30m

$198

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 1/14

1:30 pm-6:41 pm

Nonstop4h 11m

Houston George Bush Intcntl

Sun 1/18

10:00 am-9:53 pm

1 stop12h 53m

$198

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Tue 1/13

1:30 pm-6:41 pm

Nonstop4h 11m

Houston George Bush Intcntl

Sun 1/18

2:38 pm-9:53 pm

1 stop8h 15m

$198

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 4/15

1:53 pm-7:10 pm

Nonstop4h 17m

Houston George Bush Intcntl

Wed 4/22

12:48 pm-9:48 pm

1 stop10h 00m

$199

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 1/23

9:45 pm-3:19 pm

2 stops16h 34m

Houston George Bush Intcntl

Tue 1/27

7:50 am-7:09 pm

1 stop12h 19m

$201

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 1/16

6:15 am-11:59 pm

1 stop16h 44m

Houston George Bush Intcntl

Wed 1/21

9:36 am-1:08 pm

Nonstop4h 32m

$204

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Tue 2/24

2:13 pm-10:38 am

2 stops19h 25m

Houston George Bush Intcntl

Tue 3/3

5:00 am-11:31 am

1 stop7h 31m

$204

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 4/1

7:30 am-12:45 pm

Nonstop4h 15m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

Showing 1-10 of 19 results
1
2

Compare providers for flights from Calgary to George Bush Intcntl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Calgary to George Bush Intcntl in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Calgary-Houston George Bush Intcntl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Calgary-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Calgary-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Calgary-Houston George Bush Intcntl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Calgary-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 19, 2025.

Booking 82 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 $128). Flying from Calgary to Houston George Bush Intcntl Airport in August is currently the most expensive (average of $192). 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 December 26, 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 59% versus a flight at noon.

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

The best insider tips for Calgary to Houston George Bush Intcntl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
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

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 December 26, 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
7.9
Good
8,014 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,014 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,115 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,220 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,562 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 6 outbound flights to Houston George Bush Intcntl per day. 4 airlines have flights to Houston George Bush Intcntl from Calgary on a regular basis.

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

    United Airlines can get you from Calgary to Houston George Bush Intcntl Airport in just under 4h 11m. Your travel time will be generally consistent. Airlines will cover a distance of 1747 mi. Generally, flights for this route are nonstop.

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

    Currently priced at $74, United Airlines will fly you from Calgary to Houston George Bush Intcntl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Delta - these airlines can fly you to your destination from $128 and $141, respectively. You may be able to fly from Calgary to Houston George Bush Intcntl Airport for 73% less than the average price by searching for these airlines.

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

    $106 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on WestJet and Air Canada, with prices starting from $110 and $115, respectively.

  • 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: Delta (83%), Air Canada (78%), United Airlines( 78%).

  • 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 $318, our data indicates the cheapest price to be $109. The most popular route (Calgary - Houston George Bush Intcntl), is priced around $159.

  • 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 $128). Flying from Calgary to Houston George Bush Intcntl Airport in August is currently the most expensive (average of $192). 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
Spring
Montgomery
Katy
The Woodlands
Tomball
Jersey Village
Humble
Conroe
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.
Calgary to Hobby flights
Edmonton 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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$86Average$389FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$128Average$303FlexibilityNo cancel feeOn-time67%
DeltaCheapest$141Average$360FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$152Average$308FlexibilityNo cancel feeOn-time60%

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