$149+ Cheap flights from Calgary (YYC) to George Bush Intcntl (IAH)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAH
Dec 11 — Dec 181
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 April, booked 82 days in advance, depart on a Saturday or Thursday and return on a Sunday
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 November 11, 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 November 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/28:00 pm -
1 stop14h 39m
Sat 12/57:20 pm -
1 stop15h 55m
Deal found 11/6![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/109:50 am -
2 stops13h 29m
Sat 12/127:20 pm -
1 stop15h 55m
Deal found 11/6![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:00 pm -
1 stop14h 39m
Tue 12/87:20 pm -
2 stops22h 35m
Deal found 11/8![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:00 pm -
1 stop14h 29m
Tue 12/87:20 pm -
1 stop15h 55m
Deal found 11/9![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:00 pm -
1 stop14h 39m
Thu 12/107:20 pm -
1 stop15h 55m
Deal found 11/9![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:00 pm -
1 stop14h 39m
Sat 12/127:20 pm -
1 stop15h 55m
Deal found 11/8![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Mon 12/78:00 pm -
1 stop14h 29m
Wed 12/912:12 pm -
2 stops10h 03m
Deal found 11/6![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 pm -
Nonstop4h 15m
Wed 12/97:20 pm -
1 stop15h 55m
Deal found 11/9![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/29:50 am -
2 stops13h 35m
Thu 12/107:20 pm -
1 stop15h 55m
Deal found 11/6![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:00 pm -
1 stop14h 39m
Wed 12/97:00 am -
2 stops15h 15m
Deal found 11/8![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/48:00 pm -
1 stop14h 29m
Tue 12/87:20 pm -
1 stop15h 55m
Deal found 11/6![Multiple Airlines logo]()
$334
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 November 11, 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 November 11, 2026.
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Thu 1/142:35 pm -
Nonstop4h 09m
Sun 1/178:24 am -
2 stops11h 13m
Deal found 11/9![United Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 11/6. 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.
Sun 12/67:25 am -
1 stop9h 55m
Fri 12/112:34 pm -
1 stop9h 47m
Deal found 11/6![Delta logo]()
$496
This Alaska Airlines deal was found by Cheapflights users on 11/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:07 am -
2 stops28h 35m
Fri 12/116:10 pm -
2 stops27h 27m
Deal found 11/6![Alaska Airlines logo]()
$533
This United deal was found by Cheapflights users on 11/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:35 pm -
Nonstop4h 14m
Fri 11/273:30 pm -
1 stop8h 36m
Deal found 11/10![Multiple Airlines logo]()
$567
This United Airlines deal was found by Cheapflights users on 11/10. 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 1/810:40 am -
2 stops10h 16m
Tue 1/128:24 am -
2 stops11h 13m
Deal found 11/10![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 11/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/38:45 am -
2 stops15h 10m
Mon 2/89:58 am -
2 stops14h 25m
Deal found 11/8![Delta logo]()
$515
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Sat 11/282:35 pm -
Nonstop4h 14m
Wed 12/29:33 am -
Nonstop4h 30m
Deal found 11/9![United Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 11/10. 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 11/266:00 pm -
Nonstop4h 15m
Mon 11/308:00 am -
Nonstop4h 30m
Deal found 11/10![Delta logo]()
$541
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Mon 12/287:59 pm -
1 stop12h 28m
Thu 1/79:30 am -
Nonstop4h 33m
Deal found 11/10![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/22:35 pm -
Nonstop4h 14m
Thu 12/109:33 am -
Nonstop4h 30m
Deal found 11/10![United Airlines logo]()
$543
This United Airlines deal was found by Cheapflights users on 11/6. 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 1/152:35 pm -
Nonstop4h 09m
Mon 1/189:30 am -
Nonstop4h 33m
Deal found 11/6![United Airlines logo]()
$573
Last-minute flights from Calgary to George Bush IntcntlDiscover last-minute flight deals from Calgary to George Bush Intcntl. Data last updated November 11, 2026 and is based on user searches.
Discover last-minute flight deals from Calgary to George Bush Intcntl. Data last updated November 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:00 pm -
1 stop14h 39m
Tue 12/87:20 pm -
2 stops22h 35m
Deal found 11/8![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:00 pm -
1 stop14h 39m
Thu 12/107:20 pm -
1 stop15h 55m
Deal found 11/9![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:00 pm -
1 stop14h 39m
Sat 12/127:20 pm -
1 stop15h 55m
Deal found 11/8![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:00 pm -
1 stop14h 39m
Wed 12/97:00 am -
2 stops15h 15m
Deal found 11/8![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/28:00 pm -
1 stop14h 39m
Sat 12/57:20 pm -
1 stop15h 55m
Deal found 11/6![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 pm -
Nonstop4h 15m
Wed 12/97:20 pm -
1 stop15h 55m
Deal found 11/9![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/29:50 am -
2 stops13h 35m
Thu 12/107:20 pm -
1 stop15h 55m
Deal found 11/6![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/48:00 pm -
1 stop14h 29m
Tue 12/87:20 pm -
1 stop15h 55m
Deal found 11/6![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:00 pm -
1 stop14h 29m
Sat 12/127:20 pm -
1 stop15h 55m
Deal found 11/9![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Mon 12/78:00 pm -
1 stop14h 29m
Wed 12/912:12 pm -
2 stops10h 03m
Deal found 11/6![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/109:50 am -
2 stops13h 29m
Sat 12/127:20 pm -
1 stop15h 55m
Deal found 11/6![Multiple Airlines logo]()
$323
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 November 11, 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 November 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/48:00 pm -
2 stops27h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$149
This Trip.com deal was found by Cheapflights users on 11/9. 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.
Fri 1/158:00 pm -
1 stop18h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/252:10 pm -
2 stops18h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 1/109:50 am -
2 stops19h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/148:00 pm -
1 stop16h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:00 pm -
1 stop14h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Sun 2/78:00 pm -
1 stop12h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Multiple Airlines logo]()
$176
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 November 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $320 (Kiwi.com) |
One-way from | $149 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $346 |
Good round-trip deal | $419 or less |
Good one-way deal | $272 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 7,457,451 searches. Data last updated November 11, 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 1/15
9:50 am-2:12 pm
1 stop28h 22m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$156
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Sun 2/7
2:10 pm-8:53 am
2 stops18h 43m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$172
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Thu 12/17
6:55 am-9:13 am
2 stops26h 18m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$199
Quickest round-trip
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Fri 1/15
2:35 pm-6:44 pm
Nonstop4h 09m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$215
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Thu 1/14
2:35 pm-6:44 pm
Nonstop4h 09m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$223
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Fri 12/4
2:35 pm-6:49 pm
Nonstop4h 14m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$288
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Thu 12/17
7:25 am-10:06 pm
2 stops14h 41m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$292
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Mon 1/4
6:00 pm-10:15 pm
Nonstop4h 15m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$299
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Thu 2/11
3:09 pm-8:45 am
2 stops17h 36m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$300
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Sun 1/10
7:00 am-6:57 pm
2 stops11h 57m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$309
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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 81 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 $274). Flying from Calgary to Houston George Bush Intcntl Airport in December is currently the most expensive (average of $527). 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 November 11, 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 11% of weekly flights between Calgary and Houston have experienced delays in the past year, with the average delay time being 147 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 early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Thursday 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 11% 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 November 11, 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
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentMatt,Sep 2023
LAX - DAL
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentMatt,Sep 2023
LAX - DAL
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentMatt,Sep 2023
LAX - DAL
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentMatt,Sep 2023
LAX - DAL
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
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 locationsConroe
Katy
Spring
The Woodlands
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
Browse other Calgary and George Bush Intcntl flight options. Last updated on November 11, 2026.
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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 7,457,451 searches. Data last updated November 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$135 | Average$311 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$181 | Average$391 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$198 | Average$360 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$335 | Average$576 | FlexibilityNo cancel fee | On-timeN/A |