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Cheap flights from Calgary to Houston George Bush Intcntl Airport from C$ 149
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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAH
19 Nov — 26 Nov1
Cheapflights Tip: The best prices from Calgary to Houston George Bush Intcntl are usually found in September or October, booked 63 days in advance, depart on a Thursday or Friday and return on a Wednesday
Find flight deals from Calgary to George Bush Intcntl
Cheapest flights from Calgary to George Bush IntcntlExplore 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 20 October 2025.
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 20 October 2025.
Mon 24/117:30 a.m.YYC - IAH
Nonstop4h 14mWestJet
Wed 17/126:20 p.m.IAH - YYC
Nonstop4h 31mWestJet
Deal found 20/10C$ 220
Fri 24/101:55 p.m.YYC - IAH
Nonstop4h 09mUnited Airlines
Tue 28/109:39 a.m.IAH - YYC
Nonstop4h 29mUnited Airlines
Deal found 19/10C$ 255
Fri 24/101:55 p.m.YYC - IAH
Nonstop4h 09mMultiple Airlines
Tue 28/105:25 p.m.IAH - YYC
1 stop8h 04mMultiple Airlines
Deal found 19/10C$ 262
Thu 23/107:00 a.m.YYC - IAH
1 stop7h 42mAir Canada
Wed 29/105:25 p.m.IAH - YYC
1 stop8h 04mAir Canada
Deal found 18/10C$ 265
Fri 24/107:00 a.m.YYC - IAH
1 stop7h 42mAir Canada
Tue 28/105:25 p.m.IAH - YYC
1 stop8h 04mAir Canada
Deal found 19/10C$ 268
Tue 2/126:00 a.m.YYC - IAH
1 stop9h 24mAir Canada
Tue 9/1211:55 a.m.IAH - YYC
1 stop9h 44mAir Canada
Deal found 18/10C$ 271
Thu 23/101:55 p.m.YYC - IAH
Nonstop4h 09mLufthansa
Wed 29/109:39 a.m.IAH - YYC
Nonstop4h 29mLufthansa
Deal found 18/10C$ 276
Thu 23/106:10 a.m.YYC - IAH
1 stop8h 32mMultiple Airlines
Wed 29/106:20 p.m.IAH - YYC
Nonstop4h 31mMultiple Airlines
Deal found 18/10C$ 289
Sat 25/1012:38 p.m.YYC - IAH
1 stop7h 06mUnited Airlines
Sun 26/105:00 a.m.IAH - YYC
1 stop7h 35mUnited Airlines
Deal found 20/10C$ 290
Fri 24/106:10 a.m.YYC - IAH
1 stop8h 32mAir Canada
Mon 27/105:25 p.m.IAH - YYC
1 stop8h 04mAir Canada
Deal found 19/10C$ 293
Fri 24/101:55 p.m.YYC - IAH
Nonstop4h 09mUnited Airlines
Mon 27/108:30 p.m.IAH - YYC
1 stop16h 05mUnited Airlines
Deal found 19/10C$ 294
Mon 8/1211:40 p.m.YYC - IAH
1 stop10h 29mAir Canada
Thu 11/125:25 p.m.IAH - YYC
1 stop8h 04mAir Canada
Deal found 18/10C$ 300
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 20 October 2025.
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 629,999 searches. Data last updated 20 October 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
Sat 7/3
1:30 p.m.-6:46 p.m.
Nonstop4h 16m
Houston George Bush Intcntl
Wed 11/3
5:25 p.m.-12:29 a.m.
1 stop8h 04m
C$ 315
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Wed 24/12
2:13 p.m.-12:33 a.m.
1 stop9h 20m
Houston George Bush Intcntl
Tue 6/1
10:01 p.m.-2:20 p.m.
1 stop17h 19m
C$ 321
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Thu 18/12
6:15 a.m.-11:16 p.m.
1 stop16h 01m
Houston George Bush Intcntl
Mon 5/1
9:35 p.m.-11:35 a.m.
1 stop15h 00m
C$ 322
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Sun 11/1
6:15 a.m.-11:59 p.m.
1 stop16h 44m
Houston George Bush Intcntl
Sat 17/1
5:00 a.m.-9:53 p.m.
2 stops17h 53m
C$ 322
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Thu 18/12
6:15 a.m.-11:16 p.m.
1 stop16h 01m
Houston George Bush Intcntl
Fri 9/1
9:36 a.m.-1:08 p.m.
Nonstop4h 32m
C$ 322
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Sun 11/1
6:15 a.m.-11:59 p.m.
1 stop16h 44m
Houston George Bush Intcntl
Wed 21/1
12:40 p.m.-9:53 p.m.
1 stop10h 13m
C$ 322
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Sun 11/1
6:15 a.m.-11:59 p.m.
1 stop16h 44m
Houston George Bush Intcntl
Sun 18/1
10:01 p.m.-2:20 p.m.
1 stop17h 19m
C$ 322
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Thu 18/12
6:15 a.m.-11:16 p.m.
1 stop16h 01m
Houston George Bush Intcntl
Sun 11/1
7:13 a.m.-9:53 p.m.
1 stop15h 40m
C$ 322
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Tue 25/11
6:15 a.m.-11:59 p.m.
1 stop16h 44m
Houston George Bush Intcntl
Tue 2/12
11:55 a.m.-8:39 p.m.
1 stop9h 44m
C$ 332
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Wed 26/11
2:13 p.m.-11:59 p.m.
1 stop8h 46m
Houston George Bush Intcntl
Tue 2/12
11:55 a.m.-8:39 p.m.
1 stop9h 44m
C$ 332
Showing 1-10 of 20 results
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
Prices
Airlines
Delays
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 17 October 2025.
Booking 63 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, October is the cheapest month in which you can book a flight from Calgary to Houston George Bush Intcntl Airport (average of C$ 174). Flying from Calgary to Houston George Bush Intcntl Airport in February is currently the most expensive (average of C$ 280). 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 20 October 2025.
A simple way to save on the total cost of your ticket is to fly from Calgary to Houston George Bush Intcntl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 64% on your trip compared to booking a flight at noon.
How often are flights from Calgary to Houston delayed?
About 12% of weekly flights between Calgary and Houston have experienced delays in the past year, with the average delay time being 127 minutes.
What is the most punctual flight time for Calgary to Houston flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Calgary to Houston flights?
Over the past year, Avianca has had the lowest number of delays on this route, with just 7% of flights being delayed.
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 20 October 2025.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Calgary to Houston George Bush Intcntl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Boarding
8.2
Crew
8.5
Entertainment
7.9
Food
7.3
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Comfort
7.9
Boarding
8.2
Crew
8.5
Entertainment
7.9
Food
7.3
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Comfort
7.9
Boarding
8.2
Crew
8.5
Entertainment
7.9
Food
7.3
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Comfort
7.9
Boarding
8.2
Crew
8.5
Entertainment
7.9
Food
7.3
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Comfort
7.9
Boarding
8.2
Crew
8.5
Entertainment
7.9
Food
7.3
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Comfort
7.9
Boarding
8.2
Crew
8.5
Entertainment
7.9
Food
7.3
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
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.
Travelling 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 locationsHumble
Katy
Cypress
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Fly from Calgary to George Bush Intcntl on these airlines
Choose from the following airlines for your flight from Calgary to George Bush Intcntl. Flights are based on user searches made on Cheapflights and were last updated on 20 October 2025.
Top 5 airlines flying from Calgary to George Bush Intcntl
Discover the top 5 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 629,999 searches. Data last updated 20 October 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Calgary to George Bush Intcntl?
Deals for Calgary to George Bush Intcntl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Calgary to George Bush Intcntl?
Cheapflights helps you find that perfect flight to George Bush Intcntl from Calgary by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Calgary to George Bush Intcntl with no change fees?
Yes, we can. To see specific flights from Calgary to George Bush Intcntl with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Calgary to George Bush Intcntl become cheaper?
Yes, Cheapflights offers price alerts on Calgary to George Bush Intcntl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.