HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
George Bush Intcntl

$120+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Calgary to Houston George Bush Intcntl are usually found in September or May, booked 87 days in advance, depart on a Wednesday or Saturday 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 June 12, 2025.

Round-trip from

$188
(FlightHub)

One-way from

$120
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$339

Good round-trip deal

$211 or less

Good one-way deal

$196 or less
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. 15% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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

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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. 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 9/179:00 amYYC - IAH
Nonstop4h 10mWestJet
Tue 9/238:00 amIAH - YYC
Nonstop4h 20mWestJet
Deal found 6/10$188
This Air Canada deal was found by Cheapflights users on 6/11. 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 9/116:15 amYYC - IAH
1 stop8h 27mAir Canada
Mon 9/154:55 pmIAH - YYC
1 stop8h 47mAir Canada
Deal found 6/11$210
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 9/175:05 pmYYC - IAH
1 stop5h 50mUnited Airlines
Tue 9/239:30 amIAH - YYC
1 stop13h 59mUnited Airlines
Deal found 6/12$225
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 7/16:45 amYYC - IAH
1 stop10h 01mAmerican Airlines
Sat 7/127:21 pmIAH - YYC
1 stop20h 59mAmerican Airlines
Deal found 6/9$230
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Sat 8/309:00 amYYC - IAH
Nonstop4h 11mMultiple Airlines
Mon 9/810:52 amIAH - YYC
1 stop10h 08mMultiple Airlines
Deal found 6/10$253
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:55 amYYC - IAH
2 stops11h 05mDelta
Sat 9/62:20 pmIAH - YYC
2 stops9h 37mDelta
Deal found 6/12$264

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 June 12, 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

Wed 9/17

9:00 am-2:10 pm

Nonstop4h 10m

Houston George Bush Intcntl

Tue 9/23

8:00 am-11:20 am

Nonstop4h 20m

$188

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 9/11

6:15 am-3:42 pm

1 stop8h 27m

Houston George Bush Intcntl

Mon 9/15

4:55 pm-12:42 am

1 stop8h 47m

$210

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 9/17

5:05 pm-11:55 pm

1 stop5h 50m

Houston George Bush Intcntl

Tue 9/23

9:30 am-10:29 pm

1 stop13h 59m

$225

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Tue 7/1

6:45 am-5:46 pm

1 stop10h 01m

Houston George Bush Intcntl

Sat 7/12

7:21 pm-3:20 pm

1 stop20h 59m

$230

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 7/4

5:30 pm-10:42 pm

Nonstop4h 12m

Houston George Bush Intcntl

Sat 7/12

2:18 pm-11:19 am

1 stop22h 01m

$248

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Mon 8/25

7:55 am-8:00 pm

2 stops11h 05m

Houston George Bush Intcntl

Sat 9/6

2:20 pm-10:57 pm

2 stops9h 37m

$264

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 10/10

7:00 pm-6:10 pm

1 stop22h 10m

Houston George Bush Intcntl

Sun 10/19

5:45 pm-10:44 am

2 stops17h 59m

$422

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Tue 9/9

9:00 am-2:10 pm

Nonstop4h 10m

$120

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 7/3

7:00 am-3:50 pm

1 stop7h 50m

$131

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Tue 6/17

1:55 pm-7:08 pm

Nonstop4h 13m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 13 results
1
2

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 June 9, 2025.

Booking 87 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 June 12, 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 62% 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 June 12, 2025.

The most flights from YYC to IAH are scheduled on a Thursday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 3.2 in.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Calgary to Houston. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 9 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 $188, WestJet will fly you from Calgary to Houston George Bush Intcntl Airport and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from $210 and $225, respectively. You may be able to fly from Calgary to Houston George Bush Intcntl Airport for 36% 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?

    $120 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $131 and $133, 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: Aeromexico (86%), WestJet (86%), Condor( 83%).

  • 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 $289, our data indicates the cheapest price to be $134. The most popular route (Calgary - Houston George Bush Intcntl), is priced around $199.

  • 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 Calgary?

Book flights to Calgary if you plan to visit one of these locations
Montgomery
Humble
Conroe
Spring
The Woodlands
Tomball
Katy
Jersey Village

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.

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$152Average$335FlexibilityNo cancel feeOn-time67%
WestJetCheapest$172Average$296FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$266Average$412FlexibilityNo cancel feeOn-time69%
DeltaCheapest$293Average$360FlexibilityNo cancel feeOn-timeN/A

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.