WestJet's PremiumFlex includes two checked bags, seat selection, and no change fees.
WestJet's Elevation Lounge in Calgary offers hot food and showers for eligible passengers.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $159 (Justfly.com) |
One-way from | $111 (FlightHub) |
Popular in | December |
Cheapest in | September |
Average price | $270 |
Good round-trip deal | $228 or less |
Good one-way deal | $159 or less |
Fly from
Fly to
Route
Depart
Return
Price
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Wed 4/15
1:55 pm-7:12 pm
Nonstop4h 17m
Houston George Bush Intcntl
Mon 4/20
5:00 am-11:37 am
1 stop7h 37m
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Sat 4/11
1:55 pm-7:12 pm
Nonstop4h 17m
Houston George Bush Intcntl
Mon 4/20
5:00 am-11:37 am
1 stop7h 37m
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Wed 4/15
1:55 pm-7:12 pm
Nonstop4h 17m
Houston George Bush Intcntl
Tue 4/21
5:00 am-11:37 am
1 stop7h 37m
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Sun 5/3
8:00 am-1:05 pm
Nonstop4h 05m
Houston George Bush Intcntl
Tue 5/5
7:50 pm-11:20 pm
Nonstop4h 30m
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Mon 4/13
12:40 pm-9:26 pm
1 stop7h 46m
Houston George Bush Intcntl
Mon 4/20
5:00 am-11:37 am
1 stop7h 37m
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Sat 4/11
6:00 am-8:10 pm
1 stop13h 10m
Houston George Bush Intcntl
Sun 4/19
5:00 am-11:37 am
1 stop7h 37m
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Sun 2/1
6:15 am-11:59 pm
1 stop16h 44m
Houston George Bush Intcntl
Mon 2/9
8:16 pm-11:35 am
1 stop16h 19m
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Sat 1/17
2:13 pm-10:48 pm
1 stop7h 35m
Houston George Bush Intcntl
Sun 1/25
9:50 pm-11:35 am
1 stop14h 45m
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Thu 2/19
2:13 pm-10:46 pm
1 stop7h 33m
Houston George Bush Intcntl
Tue 2/24
5:00 am-11:35 am
1 stop7h 35m
CalgaryHouston
YYC - IAH
YYCIAH
Calgary
Thu 12/11
2:13 pm-8:50 pm
1 stop5h 37m
Houston George Bush Intcntl
Tue 12/16
5:00 am-11:35 am
1 stop7h 35m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
Booking 50 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.
Currently, September is the cheapest month in which you can book a flight from Calgary to Houston George Bush Intcntl Airport (average of $128). Flying from Calgary to Houston George Bush Intcntl Airport in February is currently the most expensive (average of $200). 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.
When flying from Calgary to Houston George Bush Intcntl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 61% versus a flight at noon.
About 12% of weekly flights between Calgary and Houston have experienced delays in the past year, with the average delay time being 128 minutes.
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.
Friday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Avianca have had the lowest number of delays on this route, with just 6% of flights being delayed.
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$462 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$128 | Average$335 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$141 | Average$349 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$152 | Average$340 | FlexibilityNo cancel fee | On-time60% |