Cheap Flights from Houston to Denver

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Flight deals from Houston to Denver

Looking for a cheap last-minute deal or the best return flight from Houston to Denver? If you want to travel next month, return fares start from $136. Find the lowest prices on one-way and return tickets right here.

Denver.$136 per passenger.Departing Wed, 1 Apr, returning Wed, 8 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed, 1 Apr, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Wed, 8 Apr, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $136, select.

Denver.$150 per passenger.Departing Sat, 2 May, returning Sat, 9 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Sat, 2 May, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Sat, 9 May, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $150, select.

Denver.$151 per passenger.Departing Sat, 25 Apr, returning Wed, 13 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Sat, 25 Apr, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Wed, 13 May, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $151, select.

Denver.$247 per passenger.Departing Tue, 31 Mar, returning Fri, 3 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 31 Mar, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Fri, 3 Apr, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $247, select.

Denver.$266 per passenger.Departing Mon, 29 Jun, returning Tue, 30 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Mon, 29 Jun, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Tue, 30 Jun, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $266, select.

Denver.$271 per passenger.Departing Sat, 28 Mar, returning Thu, 2 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Sat, 28 Mar, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Thu, 2 Apr, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $271, select.

Denver.$297 per passenger.Departing Sat, 30 May, returning Mon, 1 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat, 30 May, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Mon, 1 Jun, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $297, select.

Denver.$301 per passenger.Departing Mon, 25 May, returning Thu, 4 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Mon, 25 May, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Thu, 4 Jun, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $301, select.

Denver.$302 per passenger.Departing Fri, 24 Jul, returning Tue, 28 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Fri, 24 Jul, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Tue, 28 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $302, select.

Denver.$324 per passenger.Departing Fri, 7 Aug, returning Fri, 14 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Fri, 7 Aug, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Fri, 14 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $324, select.

Denver.$333 per passenger.Departing Sat, 28 Mar, returning Tue, 31 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat, 28 Mar, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Tue, 31 Mar, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $333, select.

Denver.$354 per passenger.Departing Sat, 21 Mar, returning Thu, 26 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Sat, 21 Mar, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Thu, 26 Mar, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $354, select.

Denver.$449 per passenger.Departing Tue, 30 Jun, returning Mon, 6 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Tue, 30 Jun, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 6 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $449, select.

Denver.$462 per passenger.Departing Thu, 30 Jul, returning Mon, 3 Aug.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Thu, 30 Jul, arriving in Denver International.Inbound direct flight with United departs from Denver International on Mon, 3 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $462, select.

Denver.$471 per passenger.Departing Fri, 15 May, returning Wed, 19 Aug.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Fri, 15 May, arriving in Denver International.Inbound direct flight with United departs from Denver International on Wed, 19 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $471, select.

Denver.$490 per passenger.Departing Mon, 26 Oct, returning Tue, 27 Oct.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Mon, 26 Oct, arriving in Denver International.Inbound direct flight with Southwest Airlines departs from Denver International on Tue, 27 Oct, arriving in Houston Hobby.Price includes taxes and charges.From $490, select.

Find the cheapest month to fly from Houston to Denver

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

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Direct flights from Houston to Denver

Alternative Houston to Denver routes

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

Houston to Denver: Flight information

The things to know before you go.

Cheapest flight found	$136
Cheapest month to fly	April
Average flight time	2 hrs, 38 mins
Most popular airline	Southwest Airlines
Average flights per week	372

Finding cheap flights from Houston to Denver: Frequently asked questions

How many airports are there in Denver?

There are 4 airports in Denver: Denver Arapahoe Co, Broomfield, Denver International, and Northern Colorado Regional.

How much are return flights from Houston to Denver?

The best price we found for a return flight from Houston to Denver is $136. 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.

How long does it take to fly from Houston to Denver?

2 hours and 38 minutes is the average flight time from Houston to Denver.

Which airlines fly direct from Houston to Denver?

Southwest Airlines, United and Air Canada fly direct from Houston to Denver.

How many flights are there a week from Houston to Denver?

As of March 2026, there are 372 flights per week flying from Houston to Denver.

When is the cheapest time to fly from Houston to Denver?

The cheapest month to fly from Houston to Denver is usually April.

Which is the cheapest airport to fly into in Denver?

If you're flying from Houston, the cheapest airport near Denver is Denver International – which is 29.9 km away from the centre of Denver. We've found flights into this airport from $136.

Which upcoming date is cheapest to fly from Houston to Denver on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Denver on Wednesday, 1 April 2026.

Can I get a direct flight from Houston to Denver?

Yes – the average flight time is 2 hours and 38 minutes.

How can I get the best flight deal from Houston to Denver?

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 Denver 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.

When is the best time to book flights to Denver?

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.

What’s the weather like in Denver?

In March, the average temperature is usually around 4°C. July is typically the warmest month in Denver, when it usually averages around 31°C. You can expect the least rain in January. The coldest month is December, with temperatures averaging -6°C. The rainiest month is July.

Which is the cheapest airline to fly from Houston to Denver with?

The cheapest airline that flies to Denver is Frontier Airlines .

Travelling from Houston to Denver: what you need to know

Start your journey at one of Houston's main airports, George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU). Explore your options for booking a flight from Houston to Denver departing from either of these.
When it comes to where you'll hop off the plane, Denver's chief entry point is Denver International Airport (DEN).
The average duration of a direct Houston to Denver flight is 2 hours 35 minutes.
Denver's timezone is UTC-6, which makes Denver one hour behind Houston.
With 79 flights a week between the two airports, George Bush Intercontinental Airport (IAH) to Denver International Airport (DEN) is the most popular route. Hop on the first flight from Houston to Denver with United Airlines at 05:00. If you prefer to get more out of your day before taking off, the last flight from IAH to DEN is with United Airlines at 22:20.
Give yourself enough time to get on your Houston to Denver flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.
Flying during a peak time such as July? Public holidays and other popular periods can mean longer queues at check-in and security. Be extra cautious and arrive up to four hours before an international flight and two hours before a domestic departure.

How to find the cheapest flights from Houston to Denver

$75 is the best price for a one-way ticket from Houston to Denver. Return flights start from $136. These prices can change depending on demand.
Book two months before you travel. Research into pricing trends suggests this is the ideal window for finding cheap Houston to Denver flights.
The best month for finding cheap plane tickets from Houston to Denver is May. Use the 'Whole month' tool to compare flight prices, then select the dates offering the lowest fares.
You don't need to check every day to find out if prices have dropped when you set up a Price Alert. We'll notify you as soon as a better deal comes up on cheap flights from Houston to Denver.
Save money on your Houston to Denver flight with the help of our filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Flying from Houston

George Bush Intercontinental Airport (IAH)

Depart from George Bush Intercontinental Airport (IAH) on a nonstop flight from Houston to Denver. From IAH, you can fly directly into Denver International Airport (DEN).
Keep an eye out for deals with United Airlines. This carrier offers direct Houston to Denver plane tickets out of IAH.
Travelling from central Houston to IAH takes around 50 minutes on public transport. If you drive, ride-share or grab a cab, you'll cover the 21 kilometres in 20 minutes or so, depending on traffic.
Catching an early flight from Houston to Denver? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels near George Bush Intercontinental Airport:
Of all flights leaving George Bush Intercontinental Airport, 78.42% land on schedule at their destination.
IAH is located at 16930 JFK Boulevard.

William P. Hobby Airport (HOU)

You can catch a direct flight from Houston to Denver leaving from William P. Hobby Airport (HOU). Start your journey at HOU and come in for landing at Denver International Airport (DEN).
Southwest Airlines offers direct Houston to Denver plane tickets from HOU. Book your favourite seat and get to your destination in a single hop.
You can get to HOU from central Houston in about 20 minutes by car (depending on traffic conditions). The journey on public transport takes roughly 1 hour 40 minutes to cover the 16 kilometres or so.
Want to enjoy an extra night away before catching your flight from Houston to Denver? Unwind in a hotel near William P. Hobby Airport before your trip officially starts. Check out these accommodation options:
William P. Hobby Airport has earned its reputation for punctuality. 81% of flights out of here make it to their final destination as planned.
You'll find HOU at 7800 Airport Boulevard.

Arriving in Denver

Denver International Airport (DEN)

The distance from Denver International Airport (DEN) to central Denver is roughly 29 kilometres. It'll take you about 35 minutes to reach the centre driving.
If you're travelling on public transport, expect a journey time of around 1 hour 30 minutes.
Consider checking in to The Westin Denver International Airport after your flight from Houston to Denver. It's a quick drive from DEN and a good option if you're eager to rest right after your journey.
Begin your adventure by picking up a Denver International Airport rental car. Grab your wheels from Routes Car Rentals, Dollar or Budget and experience the lesser-explored corners of Denver and beyond.
Lock in the best deal by booking your vehicle from Denver International Airport around one week ahead of your departure.
The street address for DEN is 8500 Pena Boulevard.

Best time to go to Denver

April is the quietest month for flights from Houston to Denver, while July is the most popular. Choose the best time to visit Denver based on whether you prefer a laid-back vibe or a lively atmosphere.
When booking your Houston to Denver tickets, think about the kind of weather forecast you're hoping for. July is the warmest month in Denver, with temperatures ranging from 14ºC to 32ºC.
Look for cheap flights from Houston to Denver 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

Once you've booked your flight from Houston to Denver, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring Denver:
Every great adventure has to include some sightseeing. Denver Art Museum, Union Station and Denver Botanic Gardens are must-do's during your Denver adventure.

Explore more of United States

Colorado Springs is just one of the many cities in United States waiting to be discovered once you've seen Denver. Around 105 kilometres to the south, popular attractions include US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).
Around 13 kilometres east of Denver, Aurora is another favourite stop in United States. Get a taste of what this destination has to offer at Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc.