$184+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAH
Sep 12 — Sep 191
Round-trip
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
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 Sunday and return on a Thursday
Cheap flight deals from Calgary to George Bush Intcntl
Cheapest
Best
Last-minute
One-way
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 August 13, 2026.
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 August 13, 2026.
This FlightHub deal was found by Cheapflights users on 8/10. 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.
Thu 10/15:30 pm -
Nonstop4h 10m
Thu 10/82:50 pm -
Nonstop4h 20m
Deal found 8/10![WestJet logo]()
$234
This Trip.com deal was found by Cheapflights users on 8/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
1 stop8h 37m
Wed 10/74:45 pm -
1 stop9h 54m
Deal found 8/9![Air Canada logo]()
$239
This Air Canada deal was found by Cheapflights users on 8/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
1 stop8h 37m
Thu 10/84:45 pm -
1 stop9h 54m
Deal found 8/8![Air Canada logo]()
$241
This WestJet deal was found by Cheapflights users on 8/8. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:30 pm -
Nonstop4h 10m
Mon 10/56:30 am -
Nonstop4h 20m
Deal found 8/8![WestJet logo]()
$271
This Justfly.com deal was found by Cheapflights users on 8/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:20 pm -
Nonstop3h 15m
Fri 11/136:20 pm -
Nonstop5h 31m
Deal found 8/10![WestJet logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am -
1 stop14h 30m
Wed 9/302:50 pm -
Nonstop4h 20m
Deal found 8/12![Multiple Airlines logo]()
$276
This Justfly.com deal was found by Cheapflights users on 8/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:45 am -
Nonstop4h 10m
Wed 9/302:50 pm -
Nonstop4h 20m
Deal found 8/11![WestJet logo]()
$277
Best flights from Calgary to George Bush IntcntlDiscover carefully curated flight deals from Calgary to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
Discover carefully curated flight deals from Calgary to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Fri 11/203:06 pm -
2 stops16h 20m
Fri 11/2710:05 pm -
1 stop15h 30m
Deal found 8/12![United Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:15 pm -
2 stops16h 47m
Wed 9/302:50 pm -
Nonstop4h 20m
Deal found 8/12![Multiple Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 8/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/247:25 am -
1 stop9h 17m
Wed 1/610:45 am -
1 stop12h 09m
Deal found 8/10![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:35 pm -
Nonstop4h 14m
Sun 11/810:05 pm -
1 stop15h 30m
Deal found 8/9![United Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:37 pm -
1 stop10h 18m
Sat 11/75:00 am -
2 stops11h 21m
Deal found 8/10![United Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:20 am -
1 stop7h 11m
Thu 10/82:50 pm -
Nonstop4h 20m
Deal found 8/9![Delta logo]()
$376
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Sun 11/13:06 pm -
2 stops17h 44m
Sun 11/88:40 pm -
1 stop16h 55m
Deal found 8/12![United Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:45 pm -
1 stop8h 08m
Thu 10/2911:01 am -
1 stop10h 39m
Deal found 8/9![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 8/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:25 am -
1 stop9h 09m
Wed 12/27:00 am -
2 stops18h 17m
Deal found 8/10![Delta logo]()
$381
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am -
1 stop10h 03m
Sun 9/137:20 am -
1 stop15h 28m
Deal found 8/10![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:30 am -
2 stops13h 57m
Sun 9/139:33 am -
1 stop13h 15m
Deal found 8/11![United Airlines logo]()
$355
Last-minute flights from Calgary to George Bush IntcntlDiscover last-minute flight deals from Calgary to George Bush Intcntl. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Calgary to George Bush Intcntl. Data last updated August 13, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 8/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:50 am -
1 stop8h 01m
Mon 10/54:45 pm -
1 stop9h 54m
Deal found 8/8![Air Canada logo]()
$282
This FlightHub deal was found by Cheapflights users on 8/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:30 pm -
Nonstop4h 10m
Mon 10/56:30 am -
Nonstop4h 20m
Deal found 8/8![WestJet logo]()
$287
This CheapOair deal was found by Cheapflights users on 8/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:45 am -
Nonstop4h 10m
Tue 9/152:50 pm -
Nonstop4h 20m
Deal found 8/10![WestJet logo]()
$298
This Super.com deal was found by Cheapflights users on 8/12. 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.
Fri 9/188:45 am -
Nonstop4h 10m
Sun 9/272:50 pm -
Nonstop4h 20m
Deal found 8/12![WestJet logo]()
$279
This FlightHub deal was found by Cheapflights users on 8/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:45 am -
Nonstop4h 10m
Wed 9/302:50 pm -
Nonstop4h 20m
Deal found 8/11![WestJet logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am -
1 stop14h 30m
Wed 9/302:50 pm -
Nonstop4h 20m
Deal found 8/12![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Wed 9/238:45 am -
Nonstop4h 10m
Wed 9/302:50 pm -
Nonstop4h 20m
Deal found 8/10![WestJet logo]()
$281
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:30 pm -
Nonstop4h 10m
Sun 9/272:50 pm -
Nonstop4h 20m
Deal found 8/12![WestJet logo]()
$283
This Justfly.com deal was found by Cheapflights users on 8/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:45 am -
Nonstop4h 10m
Wed 9/302:50 pm -
Nonstop4h 20m
Deal found 8/11![WestJet logo]()
$277
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Fri 9/2512:55 am -
1 stop9h 12m
Sun 10/44:45 pm -
1 stop7h 59m
Deal found 8/12![Air Canada logo]()
$285
This Air Canada deal was found by Cheapflights users on 8/11. 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.
Tue 9/296:00 am -
1 stop8h 37m
Sat 10/34:45 pm -
1 stop9h 54m
Deal found 8/11![Air Canada logo]()
$290
One-way flights from Calgary to George Bush IntcntlSearch for one-way flight options from Calgary to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
Search for one-way flight options from Calgary to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:45 am -
1 stop15h 10m
Deal found 8/12![Multiple Airlines logo]()
$184
This Trip.com deal was found by Cheapflights users on 8/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:45 am -
1 stop24h 06m
Deal found 8/12![Multiple Airlines logo]()
$185
This Trip.com deal was found by Cheapflights users on 8/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:45 am -
1 stop15h 10m
Deal found 8/12![Multiple Airlines logo]()
$186
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/317:25 am -
1 stop9h 17m
Deal found 8/9![Delta logo]()
$188
This American Airlines deal was found by Cheapflights users on 8/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:45 am -
1 stop7h 46m
Deal found 8/10![American Airlines logo]()
$189
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:00 am -
1 stop12h 58m
Deal found 8/9![United Airlines logo]()
$190
This Delta deal was found by Cheapflights users on 8/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:45 am -
1 stop9h 55m
Deal found 8/10![Delta logo]()
$191
This Air Canada deal was found by Cheapflights users on 8/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:40 pm -
1 stop12h 10m
Deal found 8/10![Air Canada logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:00 pm -
2 stops13h 23m
Deal found 8/12![Multiple Airlines logo]()
$196
This Air Canada deal was found by Cheapflights users on 8/11. 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.
Mon 11/29:00 pm -
1 stop16h 38m
Deal found 8/11![Air Canada logo]()
$198
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Sun 9/66:50 am -
1 stop8h 01m
Deal found 8/12![Air Canada logo]()
$199
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 August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $234 (FlightHub) |
One-way from | $184 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $335 |
Good round-trip deal | $325 or less |
Good one-way deal | $255 or less |
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 August 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
Cheapest round-trip
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Fri 11/20
3:06 pm-7:26 am
2 stops16h 20m
Houston George Bush Intcntl
Fri 11/27
10:05 pm-1:35 pm
1 stop15h 30m
$311
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Sat 9/19
12:15 pm-6:02 am
2 stops16h 47m
Houston George Bush Intcntl
Wed 9/30
2:50 pm-6:10 pm
Nonstop4h 20m
$316
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Fri 10/30
1:35 pm-6:49 pm
Nonstop4h 14m
Houston George Bush Intcntl
Sun 11/8
10:05 pm-1:35 pm
1 stop15h 30m
$317
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Fri 10/30
12:37 pm-11:55 pm
1 stop10h 18m
Houston George Bush Intcntl
Sat 11/7
5:00 am-4:21 pm
2 stops11h 21m
$323
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Sun 11/1
3:06 pm-8:50 am
2 stops17h 44m
Houston George Bush Intcntl
Sun 11/8
8:40 pm-1:35 pm
1 stop16h 55m
$330
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Thu 12/24
7:25 am-4:42 pm
1 stop9h 17m
Houston George Bush Intcntl
Wed 1/6
10:45 am-10:54 pm
1 stop12h 09m
$334
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Wed 9/9
6:00 am-5:03 pm
1 stop10h 03m
Houston George Bush Intcntl
Sun 9/13
7:20 am-9:48 pm
1 stop15h 28m
$348
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Thu 9/10
9:30 am-12:27 am
2 stops13h 57m
Houston George Bush Intcntl
Sun 9/13
9:33 am-9:48 pm
1 stop13h 15m
$355
Quickest round-trip
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Wed 9/30
12:20 am-8:31 am
1 stop7h 11m
Houston George Bush Intcntl
Thu 10/8
2:50 pm-6:10 pm
Nonstop4h 20m
$376
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Fri 10/16
2:45 pm-11:53 pm
1 stop8h 08m
Houston George Bush Intcntl
Thu 10/29
11:01 am-8:40 pm
1 stop10h 39m
$378
Showing 1-10 of 21 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
YYC-IAH
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?
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 July is currently the most expensive (average of $385). 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 August 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 often are flights from Calgary to Houston delayed?
About 13% of weekly flights between Calgary and Houston have experienced delays in the past year, with the average delay time being 143 minutes.
What is the most punctual flight time for Calgary to Houston flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Tuesday 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 last year, United Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.
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
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 August 13, 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.
Boarding
8.1
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMatt,Sep 2023
LAX - DAL
Boarding
8.1
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMatt,Sep 2023
LAX - DAL
Boarding
8.1
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMatt,Sep 2023
LAX - DAL
Boarding
8.1
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMatt,Sep 2023
LAX - DAL
Boarding
8.1
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMatt,Sep 2023
LAX - DAL
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.
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 locationsKaty
Conroe
The Woodlands
Spring
Humble
Jersey Village
Tomball
Montgomery
Cypress
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Other flights to George Bush Intcntl
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Calgary and George Bush Intcntl flights
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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 August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$275 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$141 | Average$462 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$152 | Average$354 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$153 | Average$261 | FlexibilityNo cancel fee | On-time67% |