What is the cheapest airline that flies from Houston George Bush Intcntl to Denver Intl?

United Airlines is the most popular carrier operating from Houston George Bush Intcntl to Denver Intl

How often are flights from Houston to Denver delayed?

Historically, on average around 16% of flights between Houston and Denver have experienced a delay on any given week. The average delay length over the past 12 months has been 147 minutes.

Which airline has the best punctuality record on Houston to Denver flights?

According to our data, Frontier have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

What is the most punctual flight time for Houston to Denver flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

What airlines fly to Denver?

Frontier, United Airlines and American Airlines are the top three most popular airlines that fly to Denver from Houston George Bush Intcntl Airport according to our data. Frontier is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 3 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Denver Intl Airport?

Prices for flights from Houston George Bush Intcntl Airport to Denver Intl Airport are updated daily.

What documentation or ID do you need to fly to Denver Intl Airport?

The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$44 Cheap Flights from Houston George Bush Intcntl Airport to Denver in 2026

Q: How many flights depart from Houston George Bush Intcntl Airport to Denver on average per day?

As of January 2026, 32 flights take off from Houston George Bush Intcntl Airport and land in Denver each day. The most common flight departure time for this route is 10:00AM, with 41% of daily flights taking off at noon.

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4:08 pm - 5:53 pm

IAH

DEN

2h 45mnonstop

8:00 pm - 11:32 pm

DEN

IAH

2h 32mnonstop

$77Frontier

Sat, Feb 7 - Tue, Feb 10

7:34 pm - 9:19 pm

IAH

DEN

2h 45mnonstop

8:00 pm - 11:32 pm

DEN

IAH

2h 32mnonstop

$80Frontier

Fri, Feb 20 - Tue, Feb 24

6:45 am - 8:26 am

IAH

DEN

2h 41mnonstop

12:20 pm - 3:52 pm

DEN

IAH

2h 32mnonstop

$81Frontier

Tue, Feb 17 - Thu, Feb 19

6:45 am - 8:26 am

IAH

DEN

2h 41mnonstop

6:25 pm - 10:01 pm

DEN

IAH

2h 36mnonstop

$82Frontier

Tue, Mar 24 - Sat, Mar 28

9:53 pm - 11:36 pm

IAH

DEN

2h 43mnonstop

6:00 am - 9:36 am

DEN

IAH

2h 36mnonstop

$87Frontier

Fri, Feb 20 - Fri, Feb 27

4:59 pm - 6:44 pm

IAH

DEN

2h 45mnonstop

6:00 am - 9:36 am

DEN

IAH

2h 36mnonstop

$88Frontier

Thu, Feb 19 - Mon, Feb 23

6:39 am - 8:20 am

IAH

DEN

2h 41mnonstop

6:00 am - 9:36 am

DEN

IAH

2h 36mnonstop

$90Frontier

Thu, Feb 19 - Mon, Feb 23

4:08 pm - 5:53 pm

IAH

DEN

2h 45mnonstop

3:36 pm - 7:14 pm

DEN

IAH

2h 38mnonstop

$91Frontier

Sat, Feb 7 - Wed, Feb 11

8:45 am - 10:30 am

IAH

DEN

2h 45mnonstop

10:49 pm - 12:05 pm

DEN

IAH

12h 16m

1 stop

$92Frontier

Wed, Feb 18 - Wed, Feb 25

6:45 am - 8:26 am

IAH

DEN

2h 41mnonstop

9:00 pm - 12:33 am

DEN

IAH

2h 33mnonstop

$93Frontier

Tue, Feb 17 - Sat, Feb 21

Frontier flights from Houston George Bush Intcntl Airport to Denver

Our best Frontier deals on Houston George Bush Intcntl Airport to Denver flight tickets

Frontier

Feb 7

IAH4:08 pmHouston George Bush Intcntl

2h 45m

DEN5:53 pmDenver Intl

Feb 10

DEN8:00 pmDenver Intl

2h 32m

IAH11:32 pmHouston George Bush Intcntl

$77

Frontier

Feb 20

IAH7:34 pmHouston George Bush Intcntl

2h 45m

DEN9:19 pmDenver Intl

Feb 24

DEN8:00 pmDenver Intl

2h 32m

IAH11:32 pmHouston George Bush Intcntl

$80

Frontier

Feb 17

IAH6:45 amHouston George Bush Intcntl

2h 41m

DEN8:26 amDenver Intl

Feb 19

DEN12:20 pmDenver Intl

2h 32m

IAH3:52 pmHouston George Bush Intcntl

$81

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Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Denver that are best for you.

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Route

Depart

Return

Price

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Sat 2/7

4:08 pm-5:53 pm

Nonstop2h 45m

Denver Intl

Tue 2/10

8:00 pm-11:32 pm

Nonstop2h 32m

$77

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Fri 2/20

7:34 pm-9:19 pm

Nonstop2h 45m

Denver Intl

Tue 2/24

8:00 pm-11:32 pm

Nonstop2h 32m

$80

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Tue 2/17

6:45 am-8:26 am

Nonstop2h 41m

Denver Intl

Thu 2/19

12:20 pm-3:52 pm

Nonstop2h 32m

$81

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Tue 3/24

6:45 am-8:26 am

Nonstop2h 41m

Denver Intl

Sat 3/28

6:25 pm-10:01 pm

Nonstop2h 36m

$82

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Fri 2/20

9:53 pm-11:36 pm

Nonstop2h 43m

Denver Intl

Fri 2/27

6:00 am-9:36 am

Nonstop2h 36m

$87

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Thu 2/19

4:59 pm-6:44 pm

Nonstop2h 45m

Denver Intl

Mon 2/23

6:00 am-9:36 am

Nonstop2h 36m

$88

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Thu 2/19

6:39 am-8:20 am

Nonstop2h 41m

Denver Intl

Mon 2/23

6:00 am-9:36 am

Nonstop2h 36m

$90

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Sat 2/7

4:08 pm-5:53 pm

Nonstop2h 45m

Denver Intl

Wed 2/11

3:36 pm-7:14 pm

Nonstop2h 38m

$91

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Wed 2/18

8:45 am-10:30 am

Nonstop2h 45m

Denver Intl

Wed 2/25

10:49 pm-12:05 pm

1 stop12h 16m

$92

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Tue 2/17

6:45 am-8:26 am

Nonstop2h 41m

Denver Intl

Sat 2/21

9:00 pm-12:33 am

Nonstop2h 33m

$93

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Houston George Bush Intcntl Airport is in February. Flight prices, which tend to average around $147, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in February, then you should wait until January to fly from Houston George Bush Intcntl Airport, when ticket prices are also cheap, with an average price of $177.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $221. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $337.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $213. Flights at noon are often more expensive with an average ticket price of $324.

What is the cheapest Houston George Bush Intcntl to Denver Intl flight route?

Fly from Houston George Bush Intcntl to Denver Intl for the best Houston George Bush Intcntl - Denver Intl flight prices

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $191 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Houston George Bush Intcntl Airport for as low as $142 on momondo.

What cabin class options are available on Houston George Bush Intcntl to Denver Intl flights?

There are 4 cabin classes available to choose from on Houston George Bush Intcntl to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Houston George Bush Intcntl Airport to Denver flight prices changed over time?

As of January 2026, prices for Houston George Bush Intcntl Airport to Denver flights are approximately 33% cheaper when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Denver according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Denver (IAH to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Denver

Best Price Found	$101
Fastest flight time	2h 28m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from Houston George Bush Intcntl Airport in the past 72 hours is $101. The best round-trip flight deal from Houston George Bush Intcntl Airport to Denver found on momondo in the last 72 hours is $146.

The fastest flight from Houston George Bush Intcntl Airport to Denver takes 2h 28m

Direct flights go from Houston George Bush Intcntl Airport to Denver every day.

There is 1 airport in Denver. From Houston George Bush Intcntl Airport there are direct flights to Denver Intl (DEN).

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How far is Houston George Bush Intcntl to Denver Intl by plane?
The distance between Houston George Bush Intcntl and Denver Intl is about 865.9 mi. 2h 28m is a normal flight duration for this route.
When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Denver Intl Airport?
Prices for flights from Houston George Bush Intcntl Airport to Denver Intl Airport are updated daily.
How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Denver Intl Airport?
The number of operators available for flights from Houston George Bush Intcntl Airport to Denver Intl Airport is 3 as of January 2026.
How old do you have to be to fly from Houston George Bush Intcntl Airport to Denver Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Houston George Bush Intcntl Airport to Denver?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Houston George Bush Intcntl Airport to Denver is Airbus A321neo (21.28% of total bookings). The next most popular plane models are Boeing 737-900 (12.22%), Boeing 757-300 (9.95%), and Boeing 777 (8.81%).
What is the most popular airline from Houston George Bush Intcntl Airport to Denver?
momondo data reveals that the most frequently booked airline on the route from Houston George Bush Intcntl Airport to Denver is Frontier, representing 74% of all bookings. The subsequent popular airlines are United Airlines at 26% and American Airlines at 0%.

Best airlines flying from Houston George Bush Intcntl Airport to Denver

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Denver with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $58	Free Cancellation	Rating 5.7 3,057 reviews	Search Frontier flights
United Airlines	PriceFrom $158	Free Cancellation	Rating 7.4 9,190 reviews	Search United Airlines flights
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.2 11,174 reviews	Search American Airlines flights

United Airlines Flights From Houston George Bush Intcntl Airport to Denver
The lowest priced United Airlines flight from Houston George Bush Intcntl Airport to Denver from the last 72 hours was $158. Generally, United Airlines has 70 flights on this route every week with an average price of $312. United Airlines is rated 7.4/10 by our users.
Frontier Flights From Houston George Bush Intcntl Airport to Denver
Frontier (5.7/10 from 3,057 reviews) operates around 10 flights from Houston George Bush Intcntl Airport to Denver in any given week. The average Frontier airfare for this route is around $165, with deals from around $58 rare but found on momondo. Referenced prices are for round-trip Houston George Bush Intcntl Airport to Denver flight searches in the last 72 hours.

Breckenridge

Estes Park

Black Hawk

Aurora

Fort Collins

Manitou Springs

Cripple Creek

Longmont

Keystone

Boulder

Greeley

Lakewood

Westminster

Thornton

Winter Park

Frisco

Copper Mountain

Centennial

Grand Lake

Englewood

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Denver?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Denver from Houston.

Can I find flights from Houston to Denver with flexible booking policies on momondo?

momondo does allow users to show only those flights to Denver from Houston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Houston to Denver?

momondo helps you find the best flight between Houston and Denver by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Houston to Denver right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Denver from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Houston George Bush Intcntl Airport to Denver from $44

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Frontier flights from Houston George Bush Intcntl Airport to Denver

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Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Denver that are best for you.

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How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Denver

What is the cheapest month to fly to Denver?

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $221. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $337.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $213. Flights at noon are often more expensive with an average ticket price of $324.

What is the cheapest Houston George Bush Intcntl to Denver Intl flight route?

Fly from Houston George Bush Intcntl to Denver Intl for the best Houston George Bush Intcntl - Denver Intl flight prices

How far in advance should I book a flight to Denver?

What cabin class options are available on Houston George Bush Intcntl to Denver Intl flights?

There are 4 cabin classes available to choose from on Houston George Bush Intcntl to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Houston George Bush Intcntl Airport to Denver flight prices changed over time?

As of January 2026, prices for Houston George Bush Intcntl Airport to Denver flights are approximately 33% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Houston George Bush Intcntl to Denver Intl?

United Airlines is the most popular carrier operating from Houston George Bush Intcntl to Denver Intl

What airlines fly to Denver?

How often are flights from Houston to Denver delayed?

Historically, on average around 16% of flights between Houston and Denver have experienced a delay on any given week. The average delay length over the past 12 months has been 147 minutes.

What is the most punctual flight time for Houston to Denver flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Houston to Denver flights?

According to our data, Frontier have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

How many flights depart from Houston George Bush Intcntl Airport to Denver on average per day?

As of January 2026, 32 flights take off from Houston George Bush Intcntl Airport and land in Denver each day. The most common flight departure time for this route is 10:00AM, with 41% of daily flights taking off at noon.

How many flights depart from Houston George Bush Intcntl Airport to Denver on average per week?

As of January 2026, 227 flights take off from Houston George Bush Intcntl Airport and land in Denver each week. The most common flight departure day for this route is Wed, with 17% of weekly flights taking off on this day.

When to book flights from Houston George Bush Intcntl Airport to Denver

Cheap Houston George Bush Intcntl Airport to Denver (IAH to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Denver

Best Price Found

Fastest flight time

Direct flights

Airports in Denver

How far is Houston George Bush Intcntl to Denver Intl by plane?

When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Denver Intl Airport?

How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Denver Intl Airport?

How old do you have to be to fly from Houston George Bush Intcntl Airport to Denver Intl Airport?

What documentation or ID do you need to fly to Denver Intl Airport?

What is the most popular plane model from Houston George Bush Intcntl Airport to Denver?

What is the most popular airline from Houston George Bush Intcntl Airport to Denver?

Best airlines flying from Houston George Bush Intcntl Airport to Denver

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Denver with momondo

United Airlines Flights From Houston George Bush Intcntl Airport to Denver

Frontier Flights From Houston George Bush Intcntl Airport to Denver

Traveling to a place near Denver?

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Denver?

Can I find flights from Houston to Denver with flexible booking policies on momondo?

How can momondo help me find flights from Houston to Denver?

I’m not ready to book a flight from Houston to Denver right now. Can momondo alert me if prices change?

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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