Currently, the most affordable month to book a United Airlines flight from Calgary to Houston George Bush Intcntl Airport in December, with an average price of C$ 412. Conversely, traveling with United Airlines from Calgary to Houston George Bush Intcntl Airport in July will be the most expensive, with an average cost of C$ 516. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
C$ 566
February
C$ 574
March
C$ 687
April
C$ 703
May
C$ 606
June
C$ 695
July
C$ 705
August
C$ 581
September
C$ 602
October
C$ 585
November
C$ 581
December
C$ 563
IAH Temperature | 12 - 29 °C |
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If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).
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