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George Bush Intcntl

$149+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAH
Jun 12 — Jun 191
Fri 6/12
Fri 6/19
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”

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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 Friday or Saturday and return on a Thursday

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 May 13, 2026.

This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:30 pm
YYC
-
IAH
Nonstop4h 10m
WestJet
Fri 9/116:30 am
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 5/11$258
This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:30 pm
YYC
-
IAH
Nonstop4h 10m
WestJet
Sun 8/236:30 am
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 5/11$260
This SmartFares deal was found by Cheapflights users on 5/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:30 pm
YYC
-
IAH
Nonstop4h 10m
WestJet
Mon 9/76:30 am
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 5/10$266
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:45 am
YYC
-
IAH
Nonstop4h 10m
WestJet
Wed 9/232:50 pm
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 5/12$267
This Super.com deal was found by Cheapflights users on 5/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:45 am
YYC
-
IAH
Nonstop4h 10m
WestJet
Wed 9/162:50 pm
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 5/10$268
This SmartFares deal was found by Cheapflights users on 5/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:30 pm
YYC
-
IAH
Nonstop4h 10m
WestJet
Mon 9/76:30 am
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 5/9$269
This SmartFares deal was found by Cheapflights users on 5/8. 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 8/205:30 pm
YYC
-
IAH
Nonstop4h 10m
WestJet
Thu 8/276:30 am
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 5/8$270
This Super.com deal was found by Cheapflights users on 5/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:30 pm
YYC
-
IAH
Nonstop4h 10m
WestJet
Wed 8/262:50 pm
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 5/8$272
This Air Canada deal was found by Cheapflights users on 5/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am
YYC
-
IAH
1 stop7h 37m
Air Canada
Mon 10/194:45 pm
IAH
-
YYC
1 stop9h 54m
Air Canada
Deal found 5/12$273
This CheapOair deal was found by Cheapflights users on 5/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:30 pm
YYC
-
IAH
Nonstop4h 10m
WestJet
Wed 9/162:50 pm
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 5/11$274
This oojo deal was found by Cheapflights users on 5/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:30 pm
YYC
-
IAH
Nonstop4h 10m
WestJet
Mon 6/222:50 pm
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 5/12$276
This SmartFares deal was found by Cheapflights users on 5/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:30 pm
YYC
-
IAH
Nonstop4h 10m
WestJet
Tue 7/142:50 pm
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 5/12$277

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 May 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(Mytrip)

One-way from

$149
(SmartFares)

Popular in

February

Cheapest in

September

Average price

$350

Good round-trip deal

$251 or less

Good one-way deal

$160 or less
Provider with most accurate pricing for Calgary-Houston George Bush Intcntl flight deals.
Search Deals
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. 7% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 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

 
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 May 13, 2026.
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

Fri 8/28

7:45 am-11:54 pm

2 stops15h 09m

Houston George Bush Intcntl

Tue 9/22

9:40 am-11:06 pm

2 stops14h 26m

$298

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 8/26

7:45 am-11:54 pm

2 stops15h 09m

Houston George Bush Intcntl

Mon 9/21

5:55 am-11:06 pm

2 stops18h 11m

$298

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 8/28

7:45 am-11:54 pm

2 stops15h 09m

Houston George Bush Intcntl

Sun 9/20

5:55 am-11:06 pm

2 stops18h 11m

$298

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 8/27

7:45 am-11:54 pm

2 stops15h 09m

Houston George Bush Intcntl

Fri 9/25

6:30 am-11:06 pm

2 stops17h 36m

$298

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Sat 10/31

7:45 am-9:36 pm

2 stops12h 51m

Houston George Bush Intcntl

Sat 11/7

10:45 am-8:54 pm

1 stop11h 09m

$307

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 10/28

7:15 am-10:48 pm

2 stops14h 33m

Houston George Bush Intcntl

Sun 11/1

6:30 am-11:13 pm

2 stops17h 43m

$327

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 10/29

7:45 am-6:17 pm

1 stop9h 32m

Houston George Bush Intcntl

Sun 11/1

10:45 am-8:54 pm

1 stop11h 09m

$327
Quickest round-trip

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Mon 6/1

1:56 pm-7:10 pm

Nonstop4h 14m

Houston George Bush Intcntl

Sun 6/14

7:50 pm-11:15 pm

Nonstop4h 25m

$357

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Tue 8/18

7:45 am-11:54 pm

2 stops15h 09m

Houston George Bush Intcntl

Wed 8/26

2:28 pm-10:59 pm

1 stop9h 31m

$370

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Mon 10/12

8:45 am-1:55 pm

Nonstop4h 10m

Houston George Bush Intcntl

Fri 10/23

10:45 am-8:54 pm

1 stop11h 09m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Calgary-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

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 $182). Flying from Calgary to Houston George Bush Intcntl Airport in February is currently the most expensive (average of $386). 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 May 13, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Calgary to Houston George Bush Intcntl Airport as you normally would.

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
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on WestJet

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 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 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

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 May 13, 2026.
Peruse reviews from past customers who have flown with United Airlines,WestJet, andAir Canada 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.
United Airlines
7.4
Good
9,705 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,705 reviews
United Airlines
7.4
Good
9,705 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,334 reviews
United Airlines
7.4
Good
9,705 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
11,026 reviews
United Airlines
7.4
Good
9,705 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 4 outbound flights to Houston George Bush Intcntl per day. 3 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?

    Delta and United Airlines can get you from Calgary to Houston George Bush Intcntl Airport in just under 12h 13m. Your travel time can differ by up to 2h 56m. Airlines will cover a distance of 1747 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 WestJet - these airlines can fly you to your destination from $128 and $152, respectively. You may be able to fly from Calgary to Houston George Bush Intcntl Airport for 74% 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 $114 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: Air Canada (73%), United Airlines (73%), Air New Zealand( 73%).

  • 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 $263, our data indicates the cheapest price to be $146. The most popular route (Calgary - Houston George Bush Intcntl), is priced around $275.

  • 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 $182). Flying from Calgary to Houston George Bush Intcntl Airport in February is currently the most expensive (average of $386). 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
Katy
The Woodlands
Spring
Jersey Village
Humble
Tomball
Conroe
Cypress
Montgomery

Browse thousands of different options on Cheapflights for your next trip

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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 George Bush Intcntl flights

Top 3 airlines flying from Calgary to George Bush Intcntl

Discover the top 3 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 May 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$74Average$311FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$128Average$273FlexibilityNo cancel feeOn-time67%
WestJetCheapest$152Average$319FlexibilityNo cancel feeOn-time60%

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