Cheap Flights from Denver to Houston

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Flight deals from Denver to Houston

Looking for a cheap last-minute deal or the best return flight from Denver to Houston? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver to Houston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver to Houston flights are currently cheapest in August.

Direct flights from Denver to Houston

Alternative Denver to Houston routes

Looking for the cheapest, fastest or easiest route from Denver to Houston? You could fly into the following airports instead.

Denver to Houston: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 286
Cheapest month to flyAugust
Average flight time2 hrs, 28 mins
Most popular airlineSouthwest Airlines
Average flights per week368

Finding cheap flights from Denver to Houston: Frequently asked questions

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a return flight from Denver to Houston is ر.ق.‏ 557. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 27 minutes is the average flight time from Denver to Houston.
Southwest Airlines, United and Air Canada fly direct from Denver to Houston.
As of June 2025, there are 368 flights per week flying from Denver to Houston.
The cheapest month to fly from Denver to Houston is usually June 2025.
If you're flying from Denver, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 25.0 km away from the centre of Houston. We've found flights into this airport from ر.ق.‏ 557.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Houston on Saturday, 16 August 2025.
Yes – the average flight time is 2 hours and 27 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 28°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
The cheapest airline that flies to Houston is Frontier Airlines .

Flying from Denver to Houston: what you need to know

  • Denver's main airport is Denver International Airport (DEN). Check out your options for departing from this base when searching for flights from Denver to Houston.

  • The major arrival points in Houston are George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU).

  • Around 2 hours 25 minutes is how long you can expect to be travelling on a direct Denver to Houston flight.

  • The timezone in Houston is UTC-5, which is one hour ahead of Denver.

  • The most popular route for flights from Denver to Houston is from Denver International Airport (DEN) to George Bush Intercontinental Airport (IAH). There are 79 weekly services between these two airports. If you'd like to get going as soon as possible, the earliest flight from DEN to IAH is the 05:00 United Airlines option. If you prefer to travel later, the last departure is at 21:30 with Southwest Airlines.

  • Allow plenty of time to get on your Denver to Houston flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Popular months like July or holiday periods such as Thanksgiving and Christmas will mean longer queues at security and check-in. Be on the safe side and head to the terminal even earlier. Arriving two hours before a domestic flight and four hours ahead of international departures is a smart move.

How to find the cheapest flights from Denver to Houston

  • The lowest price we've found for a one-way ticket from Denver to Houston is ر.ق.‏ 286. For a return flight on this route, the best price is ر.ق.‏ 557. Depending on when you book and the availability, these fares can change.

  • Get cheap Denver to Houston flights by booking two months ahead. According to our research, that's the ideal time frame for picking up a bargain.

  • May is the best month for nabbing an incredible deal on a plane ticket from Denver to Houston. If you're looking to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • You don't need to search every day to find out if fares have dropped when you set up a Price Alert. We'll update you as soon as there's a better deal on cheap flights from Denver to Houston.

  • Save on your Denver to Houston flight with the help of our filters. Choose your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Flying from Denver

Denver International Airport (DEN)

  • Take off from Denver International Airport (DEN) and fly straight through to George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU). If you're searching for a direct flight from Denver to Houston out of DEN, those are your landing points.

  • Top carriers that offer direct Denver to Houston plane tickets departing from DEN include:

  • Located around 31 kilometres from central Denver, DEN can be reached in about 35 minutes by car, depending on traffic. The journey by public transport will take roughly 1 hour 30 minutes.

  • Get your flight from Denver to Houston off to a relaxed start. Just a quick drive from Denver International Airport, spend the night at Baymont by Wyndham Denver International Airport and be well-rested for the trip ahead.

  • Denver International Airport earns top marks for its on-time performance. 80.23% of flights that take off from DEN arrive at their destination as scheduled.

  • DEN is located at 8500 Pena Boulevard.

Arriving in Houston

George Bush Intercontinental Airport (IAH)

William P. Hobby Airport (HOU)

  • William P. Hobby Airport (HOU) is around 16 kilometres from central Houston. After your flight from Denver to Houston, it takes approximately 20 minutes to reach the heart of the city in a cab or ride-share.

  • Travelling by public transport will take around 1 hour 40 minutes.

  • Hang the 'Do not disturb' sign on your door and relax at a hotel near HOU. Here are a few options where you can put your feet up after your flight from Denver to Houston:

  • The quickest way to reach your destination is with a William P. Hobby Airport rental car. Pick up a set of wheels from Easirent, Dollar or Thrifty and make a speedy getaway.

  • Get the pick of the lot. Reserving your ride from HOU four weeks in advance often means better prices and a wider choice of vehicles.

  • The address for William P. Hobby Airport is 7800 Airport Boulevard.

Best time to go to Houston

  • July is the most popular month for flights from Denver to Houston. To escape the crowds, go to Houston in February.

  • Before locking in your Denver to Houston tickets, consider what kind of weather you prefer. August is the warmest month in Houston, with temperatures ranging from 24ºC to 40ºC.

  • January has average temperatures of between 5ºC and 19ºC. Look for cheap flights from Denver to Houston around that time if you want to travel in cooler conditions.

More about Houston

Explore more of United States

  • San Antonio is just one of the many places in United States waiting to be discovered once you've taken in the sights of Houston. Around 306 kilometres to the west, check out popular attractions including The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.

  • If you're looking to explore another side of United States, consider Dallas, roughly 370 kilometres north of Houston. Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.