Direct (non-stop) flights from Denver (DEN) to Houston (IAH)
Find comprehensive flight information, schedules, and booking details for direct flights from Denver (DEN) to Houston (IAH). This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 2h 20m - 2h 42m (average flight time)• Distance: 866 miles (1393 km) (air miles between airports)• Daily Flights: 8-13 flights (scheduled departures per day)
Denver (DEN)
Houston (IAH)
FLIGHT TIME
2h 20m - 2h 42m
FLIGHT DISTANCE
866 miles (1393 km)
2h 22m - 2h 38m
05:00
20:37
866 miles (1393 km)
February
2 (Show)
85
Flight Schedule
December 2025
Airlines with direct flights from Denver (DEN) to Houston (IAH)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 2h 20m - 2h 42m.
Pricing patterns: February typically offers lower prices due to reduced demand outside peak travel seasons.
Airline service: This route is primarily served by United Airlines and Frontier Airlines, reflecting hub connections and route network strategies.
Best departure times: Peak departure times are 7:00, 20:00, 5:00, offering more flight options and potentially better connections.
Denver (DEN) - Houston (IAH) flight price statistics
$172
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$87
Jan$48
Feb$52
Mar$63
Apr$245
May$260
Jun$230
Jul$223
Aug$138
Sep$198
Oct$198
Nov$326
DecRelated Information
Airports: DEN • IAH Airport
Airlines operating this route: United Airlines (UA), Frontier Airlines
Frequently Asked Questions
How many flights operate from DEN to IAH?
There are 12 direct flights operating from DEN to IAH. Approximately 8-13 flights daily.
Which airlines operate flights from DEN to IAH?
2 airlines operate on this route: United Airlines, Frontier Airlines.
How long is the flight from DEN to IAH?
The flight duration from DEN to IAH is approximately 2h 20m - 2h 42m.
What is the distance from DEN to IAH?
The distance from DEN to IAH is 866 miles (1393 km).
What is the flight time range for this route?
Flight times on this route range from 2h 22m - 2h 38m.
What are the earliest and latest flight departure times?
The earliest flight departs at 05:00 and the latest flight departs at 20:37.
What is the cheapest month to fly from DEN to IAH?
February is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 85 flights operate per week from DEN to IAH.
What types of aircraft operate on this route?
This route is served by Airbus A321neo, Airbus A320, Boeing 777, Boeing 757-300 Passenger, Boeing 737-900 Passenger.
What is the average flight price from DEN to IAH?
The average flight price for a round-trip ticket from DEN to IAH is approximately $172 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from DEN to IAH for the lowest prices?
February is typically the cheapest month to fly from DEN to IAH. Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from DEN to IAH?
2 airlines offer direct flights from DEN to IAH, providing travelers with multiple options for scheduling and pricing.
How far is IAH from DEN?
The distance from DEN to IAH is 866 miles (1393 km). This is a long-haul flight route.
How long does it take to fly from DEN to IAH?
The flight time from DEN to IAH is approximately 2h 20m - 2h 42m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.