$91 Find Cheap Flights from Denver to Houston - Compare and Save

Among airlines operating Denver to Houston 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.

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

• United Airlines
• Southwest
• Frontier

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

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 travelers should check the fare details before booking.

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

• Economy Class
• Premium Economy Class
• First Class

On this route, nonstop and layover fares are close on average, with nonstop at $232 round-trip and layover options via Ontario (ONT) at $228.

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.

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

• Dallas/Fort Worth (DFW) - 32% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 18% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 18% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 14% of one-stop connections

Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 26% on the Denver to Houston route. Thursday is the cheapest departure day at $225 round-trip on average, while Sunday is the most expensive at $302, a difference of $77. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Denver to Houston flights, with 40% of flights leaving in that window. Evening departures account for 30%, afternoon flights for 25%, and night flights for 5%.

Some of the most popular sights in Houston are Downtown Houston, George R. Brown Convention Center and Galleria Mall. These are among the most viewed places in Houston on KAYAK.

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

• Earliest: departs at 5:00 am and lands at 7:28 am
• Latest: departs at 11:58 pm and lands at 2:26 am.

The flight takes about 2h 28m.

Last-minute fares on this route - booked within 2 weeks of departure - run 45% above the route average of $233. Book 8 weeks before departure for the lowest fares.

A nonstop flight from Denver to Houston takes 2h 28m, 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.

One-way fares from Denver to Houston are currently lower than usual. Average one-way flight prices are about $128, which is 27% below the typical average for this route.

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 4h 31m, compared with 6h 07m via Minneapolis St Paul (MSP) and 6h 48m via Phoenix Sky Harbor Intl (PHX).

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

Since Houston is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Houston George Bush Intcntl Airport (IAH) — daily rates from around $3:

• ACO Rent A Car
• Easirent
• America Car Rental
• Hertz
• Thrifty

Near Houston Hobby Airport (HOU) — daily rates from around $20:

• Thrifty
• Dollar
• Alamo
• Hertz
• Budget

Round-trip flights from Denver to Houston range from $153 to $351, with an average of $233 over the past 12 months. Anything below $153 counts as a good deal.

JetBlue is the only airline on the Denver to Houston route offering in-flight Wi-Fi. Pricing depends on fare class.