Cheap flights from Calgary to Houston George Bush Intcntl Airport from C$ 257
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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAH
16 Sep — 23 Sep1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
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 Thursday or Wednesday and return on a Saturday
Cheap flight deals from Calgary to George Bush Intcntl
Enter your travel dates to find the best prices.
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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 17 August 2026.
Thu 1/105:30 p.m. -
Nonstop4h 10m
Thu 8/102:50 p.m. -
Nonstop4h 20m
Deal found 16/8C$ 325
Thu 1/105:30 p.m. -
Nonstop4h 10m
Sun 4/102:50 p.m. -
Nonstop4h 20m
Deal found 13/8C$ 327
Wed 14/108:45 a.m. -
Nonstop4h 10m
Fri 23/102:50 p.m. -
Nonstop4h 20m
Deal found 14/8C$ 332
Sat 29/88:45 a.m. -
Nonstop4h 10m
Sun 30/86:30 a.m. -
Nonstop4h 20m
Deal found 16/8C$ 336
Wed 19/88:45 a.m. -
Nonstop4h 10m
Sat 29/86:30 a.m. -
Nonstop4h 20m
Deal found 13/8C$ 337
Thu 10/91:51 p.m. -
1 stop9h 08m
Sun 13/92:08 p.m. -
1 stop10h 21m
Deal found 14/8C$ 338
Tue 6/108:45 a.m. -
Nonstop4h 10m
Tue 20/102:50 p.m. -
Nonstop4h 20m
Deal found 14/8C$ 340
Wed 14/106:00 a.m. -
1 stop8h 37m
Fri 23/104:45 p.m. -
1 stop7h 59m
Deal found 14/8C$ 343
Thu 1/106:00 a.m. -
1 stop8h 37m
Thu 8/104:45 p.m. -
1 stop9h 54m
Deal found 13/8C$ 344
Best flights from Calgary to George Bush Intcntl
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 17 August 2026.
Tue 15/96:35 a.m. -
1 stop10h 04m
Tue 29/92:42 p.m. -
1 stop7h 00m
Deal found 16/8C$ 422
Thu 22/1012:30 p.m. -
1 stop11h 00m
Mon 26/108:40 p.m. -
1 stop15h 55m
Deal found 12/8C$ 427
Fri 4/95:30 p.m. -
Nonstop4h 10m
Mon 7/96:30 a.m. -
Nonstop4h 20m
Deal found 15/8C$ 430
Sun 1/113:06 p.m. -
2 stops17h 44m
Sun 8/118:40 p.m. -
1 stop16h 55m
Deal found 12/8C$ 458
Fri 11/91:27 p.m. -
1 stop7h 13m
Fri 18/96:30 a.m. -
1 stop16h 18m
Deal found 14/8C$ 462
Thu 19/117:25 a.m. -
1 stop9h 09m
Mon 23/112:20 p.m. -
1 stop10h 57m
Deal found 16/8C$ 462
Sat 14/117:25 a.m. -
2 stops12h 55m
Tue 24/112:20 p.m. -
1 stop10h 57m
Deal found 16/8C$ 499
Tue 20/108:45 a.m. -
Nonstop4h 10m
Wed 21/102:19 p.m. -
1 stop9h 51m
Deal found 14/8C$ 522
Mon 21/96:35 a.m. -
1 stop10h 04m
Wed 30/910:44 a.m. -
1 stop10h 58m
Deal found 13/8C$ 526
Mon 21/96:35 a.m. -
1 stop10h 04m
Mon 28/910:44 a.m. -
1 stop10h 58m
Deal found 13/8C$ 526
Direct flights from Calgary to George Bush Intcntl
Explore direct flight options from Calgary to George Bush Intcntl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 August 2026.
Thu 1/105:30 p.m. -
Nonstop4h 10m
Thu 8/102:50 p.m. -
Nonstop4h 20m
Deal found 16/8C$ 325
Thu 1/105:30 p.m. -
Nonstop4h 10m
Sun 4/102:50 p.m. -
Nonstop4h 20m
Deal found 13/8C$ 327
Wed 14/108:45 a.m. -
Nonstop4h 10m
Fri 23/102:50 p.m. -
Nonstop4h 20m
Deal found 14/8C$ 332
Sat 29/88:45 a.m. -
Nonstop4h 10m
Sun 30/86:30 a.m. -
Nonstop4h 20m
Deal found 16/8C$ 336
Tue 6/108:45 a.m. -
Nonstop4h 10m
Tue 20/102:50 p.m. -
Nonstop4h 20m
Deal found 14/8C$ 340
Tue 22/98:45 a.m. -
Nonstop4h 10m
Thu 1/102:50 p.m. -
Nonstop4h 20m
Deal found 13/8C$ 350
Tue 29/98:45 a.m. -
Nonstop4h 10m
Wed 30/92:50 p.m. -
Nonstop4h 20m
Deal found 13/8C$ 351
Tue 15/98:45 a.m. -
Nonstop4h 10m
Fri 18/92:50 p.m. -
Nonstop4h 20m
Deal found 13/8C$ 352
Last-minute flights from Calgary to George Bush Intcntl
Discover last-minute flight deals from Calgary to George Bush Intcntl. Data last updated 17 August 2026 and is based on user searches.
Wed 19/88:45 a.m. -
Nonstop4h 10m
Sat 29/86:30 a.m. -
Nonstop4h 20m
Deal found 13/8C$ 337
Thu 20/86:45 a.m. -
1 stop7h 46m
Tue 25/84:21 p.m. -
1 stop6h 13m
Deal found 13/8C$ 350
Fri 28/812:45 p.m. -
1 stop8h 35m
Sat 5/94:21 p.m. -
1 stop6h 13m
Deal found 13/8C$ 355
Sat 29/88:45 a.m. -
Nonstop4h 10m
Sun 30/86:30 a.m. -
Nonstop4h 20m
Deal found 16/8C$ 336
Thu 10/91:51 p.m. -
1 stop9h 08m
Sun 13/92:08 p.m. -
1 stop10h 21m
Deal found 14/8C$ 338
Thu 10/97:45 p.m. -
1 stop9h 17m
Thu 17/92:50 p.m. -
Nonstop4h 20m
Deal found 13/8C$ 365
Sun 20/98:45 a.m. -
Nonstop4h 10m
Sat 3/102:50 p.m. -
Nonstop4h 20m
Deal found 13/8C$ 359
Sat 26/98:45 a.m. -
Nonstop4h 10m
Tue 29/96:28 a.m. -
1 stop11h 42m
Deal found 13/8C$ 362
Tue 29/98:45 a.m. -
Nonstop4h 10m
Wed 30/92:50 p.m. -
Nonstop4h 20m
Deal found 13/8C$ 351
One-way flights from Calgary to George Bush Intcntl
Search for one-way flight options from Calgary to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated 17 August 2026.
Sat 5/98:45 a.m. -
1 stop24h 06m
Deal found 12/8C$ 257
Wed 23/96:00 a.m. -
1 stop8h 37m
Deal found 13/8C$ 258
Wed 26/87:00 a.m. -
2 stops10h 44m
Deal found 16/8C$ 259
Sat 21/117:00 a.m. -
2 stops13h 39m
Deal found 14/8C$ 261
Sun 13/912:15 p.m. -
1 stop27h 32m
Deal found 15/8C$ 262
Mon 2/119:00 p.m. -
1 stop16h 38m
Deal found 14/8C$ 264
Wed 2/98:45 a.m. -
1 stop15h 10m
Deal found 12/8C$ 265
Sat 12/97:00 a.m. -
3 stops13h 55m
Deal found 13/8C$ 266
Sun 20/910:00 a.m. -
1 stop29h 47m
Deal found 16/8C$ 268
Mon 14/911:55 p.m. -
1 stop10h 12m
Deal found 13/8C$ 269
Tue 22/96:00 a.m. -
1 stop15h 57m
Deal found 13/8C$ 270
Sat 12/96:00 a.m. -
2 stops17h 26m
Deal found 13/8C$ 272
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 17 August 2026.
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 17 August 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 Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Tue 15/9
6:35 a.m.-5:39 p.m.
1 stop10h 04m
Houston George Bush Intcntl
Tue 29/9
2:42 p.m.-8:42 p.m.
1 stop7h 00m
C$ 422
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Thu 22/10
12:30 p.m.-12:30 a.m.
1 stop11h 00m
Houston George Bush Intcntl
Mon 26/10
8:40 p.m.-11:35 a.m.
1 stop15h 55m
C$ 427
Quickest round-trip
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Fri 4/9
5:30 p.m.-10:40 p.m.
Nonstop4h 10m
Houston George Bush Intcntl
Mon 7/9
6:30 a.m.-9:50 a.m.
Nonstop4h 20m
C$ 430
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Sun 1/11
3:06 p.m.-8:50 a.m.
2 stops17h 44m
Houston George Bush Intcntl
Sun 8/11
8:40 p.m.-1:35 p.m.
1 stop16h 55m
C$ 458
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Fri 11/9
1:27 p.m.-9:40 p.m.
1 stop7h 13m
Houston George Bush Intcntl
Fri 18/9
6:30 a.m.-9:48 p.m.
1 stop16h 18m
C$ 462
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Thu 19/11
7:25 a.m.-4:34 p.m.
1 stop9h 09m
Houston George Bush Intcntl
Mon 23/11
2:20 p.m.-1:17 a.m.
1 stop10h 57m
C$ 462
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Sat 14/11
7:25 a.m.-8:20 p.m.
2 stops12h 55m
Houston George Bush Intcntl
Tue 24/11
2:20 p.m.-1:17 a.m.
1 stop10h 57m
C$ 499
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Tue 20/10
8:45 a.m.-1:55 p.m.
Nonstop4h 10m
Houston George Bush Intcntl
Wed 21/10
2:19 p.m.-11:10 p.m.
1 stop9h 51m
C$ 522
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Mon 21/9
6:35 a.m.-5:39 p.m.
1 stop10h 04m
Houston George Bush Intcntl
Wed 30/9
10:44 a.m.-8:42 p.m.
1 stop10h 58m
C$ 526
CalgaryHouston
YYC Calgary - IAH Houston George Bush Intcntl
YYCIAH
Calgary
Mon 21/9
6:35 a.m.-5:39 p.m.
1 stop10h 04m
Houston George Bush Intcntl
Mon 28/9
10:44 a.m.-8:42 p.m.
1 stop10h 58m
C$ 526
Flights are sorted by cheapest round-trip flights first.
Deals found on 16/8
Showing 1-10 of 20 resultsSorted by cheapest first
1
2
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 C$ 244). Flying from Calgary to Houston George Bush Intcntl Airport in July is currently the most expensive (average of C$ 531). 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 17 August 2026.
When flying from Calgary to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Calgary to Houston George Bush Intcntl Airport?
Airfare is below average for this route at the moment.
Calgary to Houston George Bush Intcntl Airport flights typically cost between C$ 408 and C$ 609 in October.The cheapest round-trip price found within the last 5 days was C$ 325 on WestJet (1 Oct-8 Oct).
Weekly flight availability from Calgary to Houston George Bush Intcntl Airport
Explore weekly flight availability from Calgary to George Bush Intcntl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 August 2026.
The most flights from YYC to IAH are scheduled on a Saturday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
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 past year, United Airlines has had the lowest number of delays on this route, with just 12% 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 17 August 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andWestJet 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.
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?
If you book a flight to Houston George Bush Intcntl from Calgary, you will be flying from Calgary, which is the city’s only airport. Calgary (YYC) is located 9.3 km from the centre of Calgary. There are 4 flights from Calgary to Houston George Bush Intcntl per day from 5 different airlines.
How long is the flight from Calgary to Houston George Bush Intcntl Airport?
A quick flight from Calgary to Houston George Bush Intcntl Airport can take about 10h 04m. Delta provides one of the quickest options available for as low as C$ 422. The distance from Calgary to Houston George Bush Intcntl Airport is about 2812 km. This flight may include one or multiple stops.
What are the cheapest airlines flying from Calgary to Houston George Bush Intcntl Airport round-trip?
Cheapflights users have booked flights from Calgary to Houston George Bush Intcntl Airport round-trip from C$ 135. Other airlines that can offer you cheap pricing are Air Canada, from C$ 156, and WestJet, from C$ 186. United Airlines is priced at 68% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Calgary to Houston George Bush Intcntl Airport one-way?
C$ 124 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from C$ 130 and C$ 175, respectively.
What are the most reliable airlines from Calgary to Houston George Bush Intcntl Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Calgary to Houston George Bush Intcntl Airport on time: Condor (85%), Avianca (84%), Air Canada (82%).
What are the cheapest flights from Calgary to Houston George Bush Intcntl Airport?
Looking at all options, your cheapest flight can be booked for C$ 225. While the most popular route (Calgary - Houston George Bush Intcntl) can be booked for C$ 337 on average, our data indicates C$ 1,704 when flying from Calgary to Houston George Bush Intcntl Airport.
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 C$ 244). Flying from Calgary to Houston George Bush Intcntl Airport in July is currently the most expensive (average of C$ 531). 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.
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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 17 August 2026.
Explore flights to George Bush Intcntl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 17 August 2026.
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 17 August 2026.
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.
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