Flights operate between Houston (IAH) and Denver (DEN).
2 airlines operate this route with 9-13 flights daily flights.
Average flight time is 2h 25m - 2h 56m.
Route distance is 866 miles (1393 km).
Route Distance
866 miles (1393 km)
Average Duration
2h 25m - 2h 56m
Airlines Operating This Route
Frontier Airlines, United Airlines
Flight Frequency
Daily Flights
9-13 flights
Weekly Flights
90
Typical Departure Time Ranges
Earliest Departure
06:45
Latest Departure
22:00
Flight Schedule & Filters
Flight Schedule Calendar
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Direct (non-stop) flights from Houston (IAH) to Denver (DEN)
Direct (non-stop) flights operate between Houston (IAH) and Denver (DEN). This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 2h 25m - 2h 56m (average flight time)• Distance: 866 miles (1393 km) (air miles between airports)• Daily Flights: 9-13 flights (scheduled departures per day)
Houston (IAH)
US
Denver (DEN)
US
FLIGHT TIME
2h 25m - 2h 56m
FLIGHT DISTANCE
866 miles (1393 km)
2h 33m - 2h 42m
06:45
22:00
866 miles (1393 km)
March
2 (Show)
90
Flight Schedule
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Airlines with direct flights from Houston (IAH) to Denver (DEN)
Weather at Denver (DEN)
Weather & Climate at Denver (DEN)
10.0°C
Avg Temperature52mm
Avg Rainfall11.5km/h
Avg Wind Speed52%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Booking Insights
Best Time to Book Flights to Denver (DEN)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Peak Travel Months
Expect higher prices and more crowds during these months. Book early to secure better rates.
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Price Trends
Flight Price Trends for Denver (DEN)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Most Expensive Months
Prices are typically highest during these months. Consider booking well in advance or choosing alternative dates.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Frequently Asked Questions
Do flights operate between IAH and DEN?
Yes. 12 direct flights operate between Houston (IAH) and Denver (DEN).
Which airlines operate this route?
2 airlines operate this route: Frontier Airlines, United Airlines.
How many flights operate daily?
9-13 flights flights operate daily on this route.
What is the average flight duration?
The average flight duration is 2h 25m - 2h 56m.
Is this route operated year-round?
This route operates with 9-13 flights daily flights.
Route data verified regularly by Triposia Travel Research Team.