Cheap flights from Houston to Denver International

Travellers and cabin class

Compare Houston to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

Book the best Denver International fare with no extra fees

Flight deals from Houston to Denver International

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

Find the cheapest month to fly from Houston to Denver International

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

Direct flights from Houston to Denver International

Houston to Denver International: Alternative routes

Compare routes from Houston to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

Houston to Denver: Flight information

The things to know before you go.
Cheapest flight foundP4,818
Cheapest month to flyApril
Average flight time2 hrs, 38 mins
Most popular airlineSouthwest Airlines
Average flights per week321

Finding cheap flights from Houston to Denver International: Frequently asked questions

The best price we found for a return flight from Houston to Denver International is P4,818. 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 38 minutes is the average flight time from Houston to Denver International.
Southwest Airlines, United and Air Canada fly direct from Houston to Denver International.
As of February 2025, there are 321 flights per week flying from Houston to Denver International.
The cheapest month to fly from Houston to Denver International is usually February 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Denver International Airport on Monday, 14 April 2025.
Yes – the average flight time is 2 hours and 38 minutes.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Denver International is Frontier Airlines .

Travelling from Houston to Denver International Airport (DEN): what you need to know

  • Begin your travels at one of Houston's main airports, George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU). Check out your options for booking a flight from Houston to Denver International Airport (DEN) taking off from either of these.

  • 2 hours 34 minutes is the average journey time for a direct flight from Houston to Denver International Airport.

  • Denver is 1 hour behind Houston. Denver International Airport is located in Denver, which operates on the UTC-6 timezone.

  • The busiest route is from George Bush Intercontinental Airport (IAH) to Denver International Airport (DEN), with 118 direct services every week. If you want to get going as soon as possible, the earliest flight from IAH to DEN is the 05:00 United service. If you prefer to leave later in the day, the last departure is at 23:13 with Frontier Airlines.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport on time to catch your flight from Houston to DEN.

  • If you're going away during a popular month like July, head to the airport even earlier. It's wise to arrive up to four hours before international flights and two hours ahead of domestic departures. Check-in and security lines will be longer during high seasons like Christmas, New Year and spring break.

Airports in Houston

George Bush Intercontinental Airport (IAH)

William P. Hobby Airport (HOU)

  • William P. Hobby Airport (HOU) offers nonstop flights from Houston to Denver International Airport (DEN).

  • Popular airlines that operate direct flights from Houston to DEN departing from HOU include:

  • You can get to HOU from the centre of Houston in approximately 22 minutes by car, depending on traffic conditions. The journey by public transport will take roughly 1 hour and 42 minutes to cover the 19 kilometres or so.

  • You're going on holiday, so why not extend it with an additional night away? Think about staying at one of these accommodation options near William P. Hobby Airport the day before your flight from Houston to DEN:

About Denver International Airport (DEN)

  • After your flight from Houston to Denver International Airport has touched down, unwind and relax at a hotel close by. SpringHill Suites Denver Airport is a comfy option that's a quick drive from DEN.

Getting from Denver International Airport (DEN) to central Denver

  • Denver International Airport is approximately 40 kilometres from central Denver. With your own car rental or if you take a cab, the drive is around 34 minutes.

  • If you're using public transport, expect a journey of roughly 1 hour and 31 minutes.

How to find the cheapest flights from Houston to Denver International Airport (DEN)

  • For a one-way ticket from Houston to Denver International Airport, P1,974 is the best price we've seen. You can also book a return flight from just P4,791. These are the lowest fares right now but could change depending on availability.

  • You're more likely to score cheap tickets from Houston to DEN when you book 8 months before your departure date. We crunched the flight price data and found that's when fares for this route are typically at their lowest.

  • The cheapest month for tickets from Houston to Denver International Airport is May. Use the 'Whole month' tool to find the most affordable day to fly if you're flexible with your plans.

  • Sign into your online account or use the app to set up a Price Alert. You'll be notified straight away if there's a new deal on this route. It's easy to do, and it'll save you the hassle of searching for a cheap ticket from Houston to DEN every day.

  • Tailor your flights with filters. Select your arrival and departure times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Houston to Denver International Airport.

The best time to fly from Houston to Denver International Airport (DEN)

  • It's time to plan your travel dates for your flight from Houston to Denver International Airport. July is the most popular month to visit Denver. If you want a more peaceful vibe, go in April.

  • Think about the type of weather that'll work with your plans for Denver. July is known as the warmest month. Lock in your flights from Houston to DEN sometime then and you can expect temperatures of between 14ºC and 32ºC.

  • Look for cheap flights from Houston to Denver International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -9ºC and 7ºC on average.

More about Denver

  • When it comes to searching for somewhere to lay your head, you'll find the best places to stay in Denver right here. Explore these hotels after you've booked your flight from Houston to Denver International Airport:

  • There are so many things to discover in this city it can be tricky to know where to start. Denver Art Museum, Union Station and Denver Botanic Gardens are leading attractions which should be on every Denver itinerary.

Complete your Denver trip with a car rental

  • Exit all those tabs and leave the hard work to us. We've also got amazing deals on car rentals in Denver once you've booked your cheap flight from Houston to Denver International Airport. Instantly compare prices all in one place and drive away with the perfect rental for less.

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