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

$180+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAH
Jul 27 — Aug 31
Mon 7/27
Mon 8/3
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 January, booked 76 days in advance, depart on a Saturday or Thursday 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 June 27, 2026.

This oojo deal was found by Cheapflights users on 6/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:45 am
YYC
-
IAH
Nonstop4h 10m
WestJet
Thu 10/222:50 pm
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 6/24$275
This Super.com deal was found by Cheapflights users on 6/26. 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.
Fri 11/137:30 am
YYC
-
IAH
Nonstop3h 15m
WestJet
Fri 11/136:20 pm
IAH
-
YYC
Nonstop5h 31m
WestJet
Deal found 6/26$276
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/145:30 pm
YYC
-
IAH
Nonstop4h 10m
WestJet
Thu 8/206:30 am
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 6/22$285
This Super.com deal was found by Cheapflights users on 6/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:30 pm
YYC
-
IAH
Nonstop4h 10m
WestJet
Tue 8/186:30 am
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 6/23$291
This oojo deal was found by Cheapflights users on 6/22. 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.
Thu 8/278:45 am
YYC
-
IAH
Nonstop4h 10m
WestJet
Sun 8/306:30 am
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 6/22$292
This Booking.com deal was found by Cheapflights users on 6/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:30 pm
YYC
-
IAH
Nonstop4h 10m
WestJet
Thu 8/202:50 pm
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 6/25$294
This Air Canada deal was found by Cheapflights users on 6/25. 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.
Mon 9/2811:55 pm
YYC
-
IAH
1 stop10h 12m
Air Canada
Mon 10/54:45 pm
IAH
-
YYC
1 stop7h 59m
Air Canada
Deal found 6/25$295
This oojo deal was found by Cheapflights users on 6/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:30 am
YYC
-
IAH
Nonstop3h 15m
WestJet
Mon 11/236:20 pm
IAH
-
YYC
Nonstop5h 31m
WestJet
Deal found 6/23$297
This FlightHub deal was found by Cheapflights users on 6/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:30 pm
YYC
-
IAH
Nonstop4h 10m
WestJet
Wed 8/192:50 pm
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 6/25$298
This Air Canada deal was found by Cheapflights users on 6/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am
YYC
-
IAH
1 stop7h 37m
Air Canada
Sun 9/134:45 pm
IAH
-
YYC
1 stop9h 54m
Air Canada
Deal found 6/24$300
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:30 pm
YYC
-
IAH
Nonstop4h 10m
WestJet
Sun 8/166:30 am
IAH
-
YYC
Nonstop4h 20m
WestJet
Deal found 6/24$302

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 June 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$275
(oojo)

One-way from

$180
(United Airlines)

Popular in

February

Cheapest in

September

Average price

$356

Good round-trip deal

$299 or less

Good one-way deal

$251 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. 4% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 27, 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 10/30

1:35 pm-6:49 pm

Nonstop4h 14m

Houston George Bush Intcntl

Sun 11/8

5:00 am-11:35 am

1 stop7h 35m

$319

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 7/24

6:00 am-11:06 pm

1 stop16h 06m

Houston George Bush Intcntl

Fri 8/14

4:50 pm-1:40 am

1 stop9h 50m

$329

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 7/22

6:00 am-11:06 pm

1 stop16h 06m

Houston George Bush Intcntl

Wed 7/29

5:25 pm-1:40 am

1 stop9h 15m

$330

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Wed 9/2

1:56 pm-7:06 pm

Nonstop4h 10m

Houston George Bush Intcntl

Wed 9/9

4:45 pm-11:44 pm

1 stop7h 59m

$332

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 7/30

6:00 am-9:36 pm

1 stop14h 36m

Houston George Bush Intcntl

Tue 8/4

4:50 pm-1:40 am

1 stop9h 50m

$341

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 7/31

6:45 am-5:39 pm

1 stop9h 54m

Houston George Bush Intcntl

Sun 8/2

2:21 pm-10:58 pm

1 stop9h 37m

$395
Quickest round-trip

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Sat 9/26

8:45 am-1:55 pm

Nonstop4h 10m

Houston George Bush Intcntl

Tue 9/29

2:42 pm-8:42 pm

1 stop7h 00m

$403

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Fri 9/18

7:00 am-5:39 pm

2 stops9h 39m

Houston George Bush Intcntl

Mon 9/21

2:42 pm-8:42 pm

1 stop7h 00m

$405

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Thu 11/5

12:30 am-12:20 pm

1 stop10h 50m

Houston George Bush Intcntl

Wed 11/11

11:50 am-8:14 pm

1 stop9h 24m

$414

CalgaryHouston

YYC - IAH

YYCIAH

Calgary

Sat 11/28

7:15 am-10:48 pm

2 stops14h 33m

Houston George Bush Intcntl

Wed 12/2

6:30 am-12:47 pm

1 stop7h 17m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Showing 1-10 of 20 resultsSorted by cheapest first
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 June.
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 $383). 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 27, 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 June 27, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andWestJet 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
7.8
Good
8,455 reviews

Comfort

7.8

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Matt,Sep 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.
Delta
7.8
Good
8,455 reviews
Delta
7.8
Good
8,455 reviews

Comfort

7.8

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Matt,Sep 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.
United Airlines
7.4
Good
9,901 reviews
Delta
7.8
Good
8,455 reviews

Comfort

7.8

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Matt,Sep 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.
WestJet
7.2
Good
3,385 reviews
Delta
7.8
Good
8,455 reviews

Comfort

7.8

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Matt,Sep 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.
Air Canada
7.1
Good
11,269 reviews
Delta
7.8
Good
8,455 reviews

Comfort

7.8

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Matt,Sep 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.

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 13 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 14m. 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 $86, 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 Delta and WestJet - these airlines can fly you to your destination from $141 and $152, respectively. You may be able to fly from Calgary to Houston George Bush Intcntl Airport for 71% 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: Aeromexico (90%), Avianca (84%), Delta( 80%).

  • 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 $499, our data indicates the cheapest price to be $177. The most popular route (Calgary - Houston George Bush Intcntl), is priced around $317.

  • 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 $383). 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
Spring
The Woodlands
Jersey Village
Conroe
Humble
Tomball
Cypress
Montgomery

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.
Edmonton 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$86Average$311FlexibilityNo cancel feeOn-time69%
DeltaCheapest$141Average$335FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$152Average$326FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$178Average$301FlexibilityNo cancel feeOn-time67%

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.