Cheap flights from Houston to Calgary
Cheapest current fares: $176 in August 2026, 2,814 km direct flight in ~3h 19m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Houston (IAH) to Calgary (YYC). Refreshed daily.
Houston (IAH) → Calgary (YYC)
- August 2026 $176
Frequently asked questions
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What is the cheapest month to fly from Houston to Calgary?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Houston (IAH) to Calgary (YYC), with fares starting from $176.
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What is the lowest current fare from IAH to YYC?
The lowest currently-listed fare from Houston (IAH) to Calgary (YYC) is $176 on 2026-08-16.
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How long is the flight from Houston to Calgary?
Direct flights from IAH to YYC cover approximately 2,814 km (1,749 miles), with an estimated flight time of 3h 19m. Operating airlines: UA, WS.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.