Cheap flights from Calgary to Houston
from 171 US$
From 701 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 171 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Calgary to Houston, a about 2,833 km route (around 4h nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Air Canada, United Airlines operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Calgary to Houston?
It's usually 2026-09, from 171 USD. Use the price calendar to compare other dates.
How long is the flight from Calgary to Houston?
A nonstop flight takes about 4h and covers around 2,833 km. Connecting itineraries take longer.
Are there direct flights from Calgary to Houston?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Calgary to Houston?
Air Canada, United Airlines operate this route, among others. Compare them all in the results.
When should I book Calgary–Houston flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Calgary → Houston · Live fares from 100+ sites — free, with no hidden fees.