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Cheap flights from Houston George Bush Intcntl Airport to Denver from $39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Denver departing on 11/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston George Bush Intcntl Airport to Denver (IAH-DEN)

Cheap round-trip flights

Frontier Logo
6:00 am - 7:36 amIAH-DEN
2h 36mnonstop
Frontier Logo
7:53 pm - 11:25 pmDEN-IAH
2h 32mnonstop
$68Frontier
Find Deal
vie., nov. 7 - dom., nov. 9
Frontier Logo
6:00 am - 7:36 amIAH-DEN
2h 36mnonstop
Frontier Logo
7:53 pm - 11:25 pmDEN-IAH
2h 32mnonstop
$69Frontier
Find Deal
vie., nov. 7 - dom., nov. 9
Frontier Logo
11:29 am - 1:05 pmIAH-DEN
2h 36mnonstop
Frontier Logo
7:05 am - 10:34 amDEN-IAH
2h 29mnonstop
$92Frontier
Find Deal
mié., oct. 8 - dom., oct. 12
Frontier Logo
7:30 am - 9:12 amIAH-DEN
2h 42mnonstop
Frontier Logo
5:00 pm - 8:42 pmDEN-IAH
2h 42mnonstop
$96Frontier
Find Deal
mar., sep. 2 - mié., sep. 3
Frontier Logo
7:30 am - 9:07 amIAH-DEN
2h 37mnonstop
Frontier Logo
7:53 pm - 11:25 pmDEN-IAH
2h 32mnonstop
$97Frontier
Find Deal
mié., nov. 5 - mié., nov. 12
Frontier Logo
9:08 pm - 10:53 pmIAH-DEN
2h 45mnonstop
Frontier Logo
7:05 am - 10:34 amDEN-IAH
2h 29mnonstop
$105Frontier
Find Deal
sáb., oct. 4 - jue., oct. 9
Frontier Logo
6:00 am - 7:36 amIAH-DEN
2h 36mnonstop
Frontier Logo
7:05 am - 10:34 amDEN-IAH
2h 29mnonstop
$110Frontier
Find Deal
jue., oct. 23 - dom., oct. 26
Frontier Logo
7:30 am - 9:12 amIAH-DEN
2h 42mnonstop
Frontier Logo
7:40 am - 11:09 amDEN-IAH
2h 29mnonstop
$112Frontier
Find Deal
mié., sep. 3 - dom., sep. 7
United Airlines Logo
2:41 pm - 4:17 pmIAH-DEN
2h 36mnonstop
United Airlines Logo
5:02 am - 8:34 amDEN-IAH
2h 32mnonstop
$139United Airlines
Find Deal
sáb., dic. 6 - mar., dic. 9
United Airlines Logo
9:57 pm - 11:30 pmIAH-DEN
2h 33mnonstop
United Airlines Logo
7:45 am - 11:13 amDEN-IAH
2h 28mnonstop
$156United Airlines
Find Deal
mié., ago. 27 - dom., ago. 31

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
Nov 7
IAH6:00 amHouston George Bush Intcntl
2h 36m
DEN7:36 amDenver Intl
Nov 9
DEN7:53 pmDenver Intl
2h 32m
IAH11:25 pmHouston George Bush Intcntl
$68
Find similar
Frontier
Nov 7
IAH6:00 amHouston George Bush Intcntl
2h 36m
DEN7:36 amDenver Intl
Nov 9
DEN7:53 pmDenver Intl
2h 32m
IAH11:25 pmHouston George Bush Intcntl
$69
Find similar
Frontier
Oct 8
IAH11:29 amHouston George Bush Intcntl
2h 36m
DEN1:05 pmDenver Intl
Oct 12
DEN7:05 amDenver Intl
2h 29m
IAH10:34 amHouston George Bush Intcntl
$92
Find similar

United Airlines flights from Houston George Bush Intcntl Airport to Denver

Our best United Airlines deals on Houston George Bush Intcntl Airport to Denver flight tickets
United Airlines
Dec 6
IAH2:41 pmHouston George Bush Intcntl
2h 36m
DEN4:17 pmDenver Intl
Dec 9
DEN5:02 amDenver Intl
2h 32m
IAH8:34 amHouston George Bush Intcntl
$139
Find similar
United Airlines
Aug 27
IAH9:57 pmHouston George Bush Intcntl
2h 33m
DEN11:30 pmDenver Intl
Aug 31
DEN7:45 amDenver Intl
2h 28m
IAH11:13 amHouston George Bush Intcntl
$156
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated agosto 5, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

vie. 11/7

6:00 am-7:36 am

Nonstop2h 36m

Denver Intl

dom. 11/9

7:53 pm-11:25 pm

Nonstop2h 32m

$68

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

vie. 11/7

6:00 am-7:36 am

Nonstop2h 36m

Denver Intl

dom. 11/9

7:53 pm-11:25 pm

Nonstop2h 32m

$69

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

mié. 10/8

11:29 am-1:05 pm

Nonstop2h 36m

Denver Intl

dom. 10/12

7:05 am-10:34 am

Nonstop2h 29m

$92

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

mar. 9/2

7:30 am-9:12 am

Nonstop2h 42m

Denver Intl

mié. 9/3

5:00 pm-8:42 pm

Nonstop2h 42m

$96

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

mié. 11/5

7:30 am-9:07 am

Nonstop2h 37m

Denver Intl

mié. 11/12

7:53 pm-11:25 pm

Nonstop2h 32m

$97

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

sáb. 10/4

9:08 pm-10:53 pm

Nonstop2h 45m

Denver Intl

jue. 10/9

7:05 am-10:34 am

Nonstop2h 29m

$105

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

jue. 10/23

6:00 am-7:36 am

Nonstop2h 36m

Denver Intl

dom. 10/26

7:05 am-10:34 am

Nonstop2h 29m

$110

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

mié. 9/3

7:30 am-9:12 am

Nonstop2h 42m

Denver Intl

dom. 9/7

7:40 am-11:09 am

Nonstop2h 29m

$112

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

sáb. 12/6

2:41 pm-4:17 pm

Nonstop2h 36m

Denver Intl

mar. 12/9

5:02 am-8:34 am

Nonstop2h 32m

$139

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

mié. 8/27

9:57 pm-11:30 pm

Nonstop2h 33m

Denver Intl

dom. 8/31

7:45 am-11:13 am

Nonstop2h 28m

$156

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

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

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Houston George Bush Intcntl Airport is in January. Flight prices, which tend to average around $131, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until September to fly from Houston George Bush Intcntl Airport, when ticket prices are also cheap, with an average price of $138.

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 $180. 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 Tuesday, with ticket prices averaging around $286.

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

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $187. Flights in the afternoon are often more expensive with an average ticket price of $326.

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 $175 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 $143 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 August 2025, prices for Houston George Bush Intcntl Airport to Denver flights are approximately 24% 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

$39

Fastest flight time

2h 32m

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 $39. The best round-trip flight deal from Houston George Bush Intcntl Airport to Denver found on momondo in the last 72 hours is $68.
The fastest flight from Houston George Bush Intcntl Airport to Denver takes 2h 32m
Direct flights go from Houston George Bush Intcntl Airport to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)
Search flight deals

  • 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 33m 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $55Free CancellationRating
5.8
3,232 reviews
Search Frontier flights
United AirlinesPriceFrom $158Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
10,000 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 63 flights on this route every week with an average price of $317. United Airlines is rated 7.4/10 by our users.

  • Frontier Flights From Houston George Bush Intcntl Airport to Denver

    Frontier (5.8/10 from 3,232 reviews) operates around 13 flights from Houston George Bush Intcntl Airport to Denver in any given week. The average Frontier airfare for this route is around $155, with deals from around $55 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.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Estes Park
Breckenridge
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Longmont
Boulder
Manitou Springs
Lakewood
Greeley
Westminster
Thornton
Winter Park
Grand Lake
Copper Mountain
Silverthorne
Golden
Frisco

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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