Find cheap flights from Houston to Denver - Compare and Save

These are the earliest and latest flight times available from Houston to Denver:

• Earliest: departs at 5:00 am and lands at 7:38 am
• Latest: departs at 11:55 pm and lands at 2:33 am.

The flight takes about 2h 38m.

Four cabin classes are available on flights from Houston to Denver:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Houston to Denver takes 2h 38m, covering 873 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Houston to Denver range from $136 to $319, with an average of $212 over the past 12 months. Anything below $136 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 43% above the $212 route average. Book 9 weeks before departure for the lowest fares.

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $211 round-trip, compared to $236 via a layover through Ontario (ONT).

United Airlines is slightly above the route average for timely arrivals, while Frontier has a lower on-time arrival rate. On-time arrival rates on Houston to Denver flights are:

• United Airlines: 88% on time
• Frontier: 87% on time
• Southwest: 82% on time

Overall, flights on this route are punctual 86% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Morning is the busiest departure period on Houston to Denver flights, with 45% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 20%, and night flights for 10%.

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Ace
• NU Car
• Europcar
• Hertz

Flights from Houston to Denver may depart from several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH). Flights usually arrive at Denver Intl (DEN).

Morning flights have the fewest delays on this route, while evening departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Houston to Denver route, 14% of flights were delayed in the past 3 months, with delays averaging 2h 19m.

One-stop flights from Houston to Denver most commonly connect through:

• Dallas/Fort Worth (DFW) - 48% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 13% of one-stop connections
• Orlando (MCO) - 10% of one-stop connections
• Minneapolis St Paul (MSP) - 10% of one-stop connections

Yes. Flexible dates can save you up to 25% on flights from Houston to Denver. Wednesday is the cheapest departure day at $204 round-trip on average, while Sunday is the most expensive at $269, a difference of $65.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

3 airlines operate flights between Houston and Denver. The airlines offering nonstop flights on this route include:

• United Airlines
• Southwest
• Frontier

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 4h 35m, compared with 4h 49m via Dallas Love Field (DAL) and 5h 59m via Minneapolis St Paul (MSP).

Denver is 1 hour behind Houston (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Denver are Colorado Convention Center, Coors Field and Ball Arena. These are among the most viewed places in Denver on KAYAK.

Among airlines operating Houston to Denver flights:

• Frontier: offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Frontier: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• Southwest: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.