Cheap flights from Houston, TX to Denver, CO
Flights starting at $34. Choose between United Airlines, Linear Air, or American Airlines to find the best price.
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Tips to know when travelling to Denver
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Weekly direct flights
Frontier Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Spirit Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Check-in for a flight from Houston to Denver
|Name||Carrier code||IATA Code||Passport needed during booking||Online check-in available|
|JetBlue Airways||JBU||B6||Yes||Opens 24 days before flight|
Closes 2 hours before flight
|Spirit Airlines||NKS||NK||No||Opens 24 days before flight|
Closes 1 hours before flight
United States COVID-19 travel restrictions
Most travelers from Houston, IAH can enter Denver, DEN.
Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.
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