Cheap Flights from Denver to Houston George Bush Intercntl.

Compare Denver to Houston George Bush Intercntl. flight deals

Find the cheapest month or even day of the year to fly to Houston George Bush Intercntl.

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Flight deals from Denver to Houston George Bush Intercntl.

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

Houston.$85 per passenger.Departing Sat, 7 Mar, returning Wed, 11 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Sat, 7 Mar, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed, 11 Mar, arriving in Denver International.Price includes taxes and charges.From $85, select.

Houston.$146 per passenger.Departing Sat, 28 Feb, returning Thu, 5 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Sat, 28 Feb, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Thu, 5 Mar, arriving in Denver International.Price includes taxes and charges.From $146, select.

Houston.$162 per passenger.Departing Tue, 24 Feb, returning Thu, 26 Feb.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Tue, 24 Feb, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Thu, 26 Feb, arriving in Denver International.Price includes taxes and charges.From $162, select.

Houston.$213 per passenger.Departing Tue, 14 Apr, returning Tue, 21 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Tue, 14 Apr, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Tue, 21 Apr, arriving in Denver International.Price includes taxes and charges.From $213, select.

Houston.$214 per passenger.Departing Tue, 24 Mar, returning Fri, 24 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Tue, 24 Mar, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Fri, 24 Apr, arriving in Denver International.Price includes taxes and charges.From $214, select.

Houston.$224 per passenger.Departing Wed, 6 May, returning Wed, 13 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Wed, 6 May, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed, 13 May, arriving in Denver International.Price includes taxes and charges.From $224, select.

Houston.$236 per passenger.Departing Thu, 30 Apr, returning Mon, 4 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Thu, 30 Apr, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Mon, 4 May, arriving in Denver International.Price includes taxes and charges.From $236, select.

Houston.$417 per passenger.Departing Tue, 23 Jun, returning Tue, 30 Jun.Return flight with United.Outbound direct flight with United departs from Denver International on Tue, 23 Jun, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 30 Jun, arriving in Denver International.Price includes taxes and charges.From $417, select.

Find the cheapest month to fly from Denver to Houston George Bush Intercntl.

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

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Direct flights from Denver to Houston George Bush Intercntl.

Denver to Houston George Bush Intercntl.: Alternative routes

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

Denver to Houston: Flight information

The things to know before you go.

Cheapest flight found	$85
Cheapest month to fly	March
Average flight time	2 hrs, 32 mins
Most popular airline	United
Average flights per week	303

Finding cheap flights from Denver to Houston George Bush Intercntl.: Frequently asked questions

How much are return flights from Denver to Houston George Bush Intercntl.?

The best price we found for a return flight from Denver to Houston George Bush Intercntl. is $85. 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 Denver to Houston George Bush Intercntl.?

2 hours and 32 minutes is the average flight time from Denver to Houston George Bush Intercntl..

Which airlines fly direct from Denver to Houston George Bush Intercntl.?

United, Air Canada and Air New Zealand fly direct from Denver to Houston George Bush Intercntl..

How many flights are there a week from Denver to Houston George Bush Intercntl.?

As of February 2026, there are 606 flights per week flying from Denver to Houston George Bush Intercntl..

When is the cheapest time to fly from Denver to Houston George Bush Intercntl.?

The cheapest month to fly from Denver to Houston George Bush Intercntl. is usually March.

Which upcoming date is cheapest to fly from Denver to Houston George Bush Intercntl. Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Houston George Bush Intercntl. Airport on Saturday, 7 March 2026.

Can I get a direct flight from Denver to Houston George Bush Intercntl. Airport?

Yes – the average flight time is 2 hours and 32 minutes.

How can I find the best flight deal to Houston George Bush Intercntl.?

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 George Bush Intercntl. 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 Houston?

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.

Which is the cheapest airline to fly from Denver to Houston George Bush Intercntl. with?

The cheapest airline that flies to Houston George Bush Intercntl. is Frontier Airlines .

Flying from Denver to George Bush Intercontinental Airport (IAH): What you need to know

Denver's main airport is Denver International Airport (DEN). Explore your departure options from this terminal when booking your flights from Denver to George Bush Intercontinental Airport (IAH).
The average duration of a direct Denver to George Bush Intercontinental Airport flight is 2 hours 25 minutes.
George Bush Intercontinental Airport is located in Houston. The city operates on the UTC-5 timezone and is one hour ahead of Denver.
With 79 direct weekly flights between the two airports, Denver International Airport (DEN) to George Bush Intercontinental Airport (IAH) is the busiest route. United Airlines operates the earliest flight at 5am. If you prefer to make the most of your day before leaving, the latest flight from DEN to IAH is with Frontier Airlines at 9:02pm.
Give yourself enough time to get on your flight from Denver to IAH. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.
Taking off during a peak time like public or school holidays? Expect longer queues at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours ahead of domestic departures.

Airports in Denver

Denver International Airport (DEN)

Get there in one go from Denver International Airport (DEN). Direct flights from Denver to George Bush Intercontinental Airport (IAH) are available from here.
United Airlines is a well-known airline that operates direct flights from Denver to George Bush Intercontinental Airport leaving from DEN.
The most frequently booked airline between DEN and IAH is United Airlines.
Among carriers operating on this route, United Airlines is the most consistent for on-time landings.
DEN is about 40 kilometres from central Denver. If you're driving, ride-sharing or catching a cab from the centre, it'll take 35 minutes or so to get there, depending on the traffic. If you're using public transport, expect the travel time to be around 1 hour 30 minutes.
Need a convenient place to stay before your flight from Denver to George Bush Intercontinental Airport? Check out Baymont by Wyndham Denver International Airport. Enjoy a good night's rest here before making your way to Denver International Airport.
Denver International Airport has an excellent on-time record, so flight disruptions are less likely. Departures from DEN arrive on schedule 80.23% of the time.
You'll find DEN at 8500 Pena Boulevard.

About George Bush Intercontinental Airport (IAH)

If you're coming in on a late flight from Denver to George Bush Intercontinental Airport, few things top the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and snoozing not long after at one of these options near IAH:
Say yes to new adventures by picking up a George Bush Intercontinental Airport rental car. Grab a set of wheels from Dollar, Thrifty or Sixt to explore Houston and beyond.
Secure the lowest price by booking your ride around three weeks ahead of your Denver to George Bush Intercontinental Airport flight.
You'll find IAH at 16930 JFK Boulevard.

Getting from George Bush Intercontinental Airport (IAH) to central Houston

George Bush Intercontinental Airport is around 21 kilometres from central Houston. How long it takes to get to the centre by cab or car hire will depend on the time of day. Do some research before you go.
It'll take around 50 minutes if you're travelling by public transport.

How to find the cheapest flights from Denver to George Bush Intercontinental Airport (IAH)

The cheapest price we've found for a one-way ticket from Denver to George Bush Intercontinental Airport is $38. For a return flight on this route, the best price is $85. Depending on the availability and when you book, these fares could change.
Don't leave everything to the last moment. You're more likely to find cheap flights from Denver to IAH if you book in advance. Airlines often offer some excellent early bird rates.
The 'Whole month' search tool shows you the cheapest Denver to George Bush Intercontinental Airport tickets throughout the entire month. It's a good way to find a bargain if your travel plans are flexible.
Never miss a deal on flight tickets from Denver to IAH by creating a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.
Find an affordable flight from Denver to George Bush Intercontinental Airport by using the search filters. Select your ideal times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Denver to George Bush Intercontinental Airport (IAH)

It's time to work out your travel dates for your flight from Denver to George Bush Intercontinental Airport (IAH). July is the busiest month to travel to Houston. If a slower pace sounds more appealing, go in February.
The warmest month in Houston is August, with temperatures ranging between 24ºC and 40ºC. Book your Denver to IAH flight ticket then if that's your definition of good weather.
Look for cheap tickets from Denver to George Bush Intercontinental Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 5ºC and 19ºC.

More about Houston

Once you've booked your flight from Denver to George Bush Intercontinental Airport, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring Houston:
The Museum of Fine Arts, Houston, Beck Building and The Houston Museum of Natural Science are just a couple of the top attractions to add to your Houston must-do list. Keep the adventure rolling by checking out Holocaust Museum Houston.

Explore more of the United States

Houston has its own special appeal, but there are so many other corners of the United States waiting to be discovered. About 241 kilometres west of Houston, a trip to Austin will keep you on the move. Start with attractions like Texas State Capitol, Central Park and Austin Museum of Art, Downtown.
Around 306 kilometres south-west of Houston, Corpus Christi is another essential stop in the United States. Get a taste of what this destination has to offer at Texas State Aquarium, Bayfront Park and Corpus Christi Cathedral.