Route guide
Cheap Flights from Denver to Houston: Book Airline Tickets
- Distance
- about 860 mi
- Typical flight time
- 2 h – 3 h
- Airports
- 1 × 2
- Time difference
- 1 h ahead
This page covers the practical side of flying between Denver and Houston: which airports to compare, how long the trip takes, and when it is busy. It works for either direction. For a price on your dates, ask a specialist.
Quick answer: Denver to Houston is about 860 miles (1,380 km) and a typical flight takes 2 h to 3 h. Houston is 1 hour ahead of Denver. Denver has 1 airport to compare and Houston has 2.
Airport pairs to compare
Denver's airport lies on the plains northeast of the city, roughly 25 miles from downtown, so ground transport time matters. Houston has two main airports: Bush Intercontinental to the north and Hobby to the southeast. Hobby is closer to downtown.
| Pair | Departure airport | Arrival airport |
|---|---|---|
| DEN to IAH | Denver International | George Bush Intercontinental |
| DEN to HOU | Denver International | William P. Hobby |
About the airports
- DEN · Denver International
Sits roughly 25 miles northeast of downtown, with a commuter rail line to Union Station. - IAH · George Bush Intercontinental
The larger airport, north of the city, with a wide range of domestic and international flights. - HOU · William P. Hobby
Closer to downtown and a good option for domestic trips.
Airlines with a major base at either end
- At Denver: United Airlines, Southwest Airlines
- At Houston: United Airlines, Southwest Airlines
United Airlines and Southwest Airlines have a base at both ends, which can make nonstop service more likely. Schedules change, so a specialist confirms what actually operates on your dates.
When to go and what to expect
Denver
Ski season (roughly late November through April) and summer are the busiest periods. Winter storms can disrupt flights, and spring snow is not unusual.
Houston
Fall through spring is the most comfortable period. Summers are hot and humid, and hurricane season runs June through November.
Hurricane season runs from June through November, so check fare rules for changes if you travel in that window.
How long is Denver to Houston?
At about 860 miles, Denver to Houston is a short-to-medium flight. Fares on routes this length are sensitive to the day of the week and the time of day, so check a few departure times before you settle.
Time zones and timing
Houston is 1 hour ahead of Denver, so you land at a local time 1 hour later than departure time plus flight time would suggest. Plan your arrival day around local time at the destination.
Getting between the airport and town
Denver: The A Line commuter train runs from the airport to Union Station downtown. Shuttles and rental cars serve the mountains.
Houston: Rental cars and ride-hail are the most common choices. Distances are large, so check where your hotel is before choosing an airport.
Planning ground transport too? See our car rental guide.
Good to know
- Check every airport pairing when you compare fares. Schedules and airline options can differ between them.
- If you are heading to a ski area, allow extra time on mountain roads in winter, and watch the forecast before travel day.
- Compare both airports when you look at fares, and keep weather in mind if you travel in late summer.
- Compare the total with bags included, not just the base fare. See baggage fees and taxes and fees.
Flying Houston to Denver?
This route guide works in both directions. For other trips, see all flights from Denver or all flights from Houston.
Frequently asked questions
How far is Denver from Houston?
The straight-line distance between the main airports is about 860 miles (1,380 km). Routes can be longer in practice because of air traffic and weather.
How long is a flight from Denver to Houston?
A typical scheduled flight takes roughly 2 h to 3 h in the air, depending on winds, the aircraft and the airports. Connecting itineraries take longer, and nonstop availability depends on the airline and dates.
Which airports can I use?
At Denver: DEN (Denver International). At Houston: IAH (George Bush Intercontinental), HOU (William P. Hobby). Ask for prices on more than one pairing.
Is there a time difference?
Houston is 1 hour ahead of Denver.
When is the best time to fly from Denver to Houston?
In Denver: Ski season (roughly late November through April) and summer are the busiest periods. Winter storms can disrupt flights, and spring snow is not unusual. In Houston: Fall through spring is the most comfortable period. Summers are hot and humid, and hurricane season runs June through November.Hurricane season runs from June through November, so check fare rules for changes if you travel in that window. Fares are usually highest in the busy periods described for each city, so flexible dates can help.
Which airlines should I compare for Denver to Houston?
Airlines with a major base at either end include United Airlines and Southwest Airlines. A specialist compares them with other carriers on your dates, since schedules and availability change.
Do you show fares on this page?
No. Fares change constantly, so we do not publish prices that might be out of date. A specialist checks live availability and confirms the full total, including taxes and bags, before you pay.
Route details updated October 18, 2026.