Cheap flights from Denver International to Houston (DEN - IAH)

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The best prices from Denver International to Houston are usually found in August or July, booked 25 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

How to find the cheapest flight from
Denver International (DEN) to Houston (IAH)

All the information you need to plan the best DEN to IAH flight in 2021: compare Denver International to Houston flight prices with the expected peak season, weather and rainfall in Houston.
DEN - IAH
Price
$79 - $210
IAH
Temperature
59 - 86 °F

Popular in

November

High demand for flights, 33% potential price rise

Cheapest in

August

Best time to find cheap flights, 44% potential price drop

Round-trip from

$79

From Denver International to Houston

One-way from

$49

One-way flight from Denver International to Houston

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Denver International to Houston?

Flights from Denver International to Houston are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Houston.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 44 days in advance, which can save you up to 26% on flights from Denver International to Houston compared to booking the week you need them. Waiting 44 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $118. For sooner than that we have options available in the next 3 days from $157.

What is the cheapest month to fly from Denver International to Houston?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Houston. Flights to Houston from Denver International in February are about $134 on average during February, but can be found for as low as $68.

When is the cheapest time to fly from Denver International to Houston (DEN - IAH)?

A simple way to save on the total cost of your ticket is to fly from Denver International to Houston in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight at noon.

Cheap flights from Denver International to Houston in May, June 2021

The best prices found for DEN to IAH flights for May, June
19 May - 22 May
$45pp
DEN
Denver Intl
Frontier
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
Non-Stop
DEN
Denver Intl
21 May - 26 May
$49pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl
19 May - 26 May
$50pp
DEN
Denver Intl
Multiple Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
Non-Stop
DEN
Denver Intl

Denver International to Houston 2021 flight deals

Cheap flights to Houston from Denver International found for this year
19 May - 22 May
$45pp
DEN
Denver Intl
Frontier
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
Non-Stop
DEN
Denver Intl
21 May - 26 May
$49pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl
19 May - 26 May
$50pp
DEN
Denver Intl
Multiple Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
Non-Stop
DEN
Denver Intl

Non-stop flights to Houston from Denver International

Save time with Denver International to Houston direct flight deals
19 May - 22 May
$45pp
DEN
Denver Intl
Frontier
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
Non-Stop
DEN
Denver Intl
21 May - 26 May
$49pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl
19 May - 26 May
$50pp
DEN
Denver Intl
Multiple Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
Non-Stop
DEN
Denver Intl

Last minute flights from Denver International to Houston

Late deals on round-trip flights to Houston from Denver International, departing today and this week
19 May - 22 May
$45pp
DEN
Denver Intl
Frontier
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
Non-Stop
DEN
Denver Intl
21 May - 26 May
$49pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl
19 May - 26 May
$50pp
DEN
Denver Intl
Multiple Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
Non-Stop
DEN
Denver Intl

One-way flights to Houston from Denver International

The cheapest one-way flights from Denver International to Houston
10:10 am - 1:34 pm
United Airlines
Nonstop
2h 24m
DEN - IAH
United Airlines
$49
United
4:20 pm - 7:54 pm
Frontier
Nonstop
2h 34m
DEN - IAH
Frontier
$63
BudgetAir
12:42 pm - 6:08 pm
Major Airline
1 Stop
4h 26m
DEN - IAH
Major Airline
$68
StudentUniverse

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Denver International</span> to <span class="emphasized">Houston</span> flights.

Flight FAQs

From Denver International to Houston

Are flight prices decreasing from Denver to Houston due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Denver and Houston for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Denver Intl to Houston George Bush Intcntl have flexible cancellations due to COVID-19?

Spirit Airlines, United Airlines, and Frontier are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

What airports do I use to fly from Denver to Houston?

You will need to book a flight from Denver Intl to Houston George Bush Intcntl if you want to fly from Denver to Houston. At least 6 different airlines have flights from Denver Intl (DEN) to George Bush Intcntl (IAH) on a regular basis. There are 27 flights to Houston from the Denver airport per day. If you manage to book one that is nonstop, then you can expect the flight time from DEN to IAH to be around 2h 19m.

Can I find flights from Denver International to Houston for under $100 on Cheapflights?

Yes, there are multiple flights from Denver International to Houston for under $100. The cheapest flight booked recently is on Frontier for just $45, but on average you can expect to pay $62.

Are there nonstop flights from Denver International to Houston for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Denver International to Houston under $100. A good price for a nonstop flight from Denver International to Houston is less than $65.

Are there last-minute flights available from Denver International to Houston for under $100?

There are currently 20+ open flights from Denver International to Houston within the next 7 days for less than $100.

What days are nonstop flights available from Denver to Houston?

Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Thursday, Friday.

How popular is this flight route?

The Denver Intl to Houston George Bush Intcntl flight path was viewed by 256 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How many flights depart from Denver International to Houston on average per day?

21 flight departures from Denver Intl to Houston George Bush Intcntl per day on average.
Morning (6am - Noon) - 33% of flight departures
Afternoon (Noon - 6pm) - 67% of flight departures

Does it rain more in Denver or Houston?

Denver will have less rainfall in 2 compared to Houston over the next 11 days.

Is Denver weather warmer or cooler than Houston?

We forecast the temperature to be around the 90 °F's in July, on average. The temperature in Houston is generally colder than in Denver. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Denver International to Houston?

Airlines like Spirit Airlines, United Airlines, and Frontier fly from Denver International to Houston in about 2h 22m. The time it takes to get you to your destination is usually consistent. The distance between Denver International and Houston is about 866 mi. Generally, flights for this route are nonstop.

What are the cheapest airlines flying from Denver International to Houston round-trip?

Currently priced at $45, Frontier will fly you from Denver International to Houston and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Spirit Airlines for as low as $49. You may be able to fly from Denver International to Houston for 68% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Denver International to Houston one-way?

For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $18. Users have also found prices from $24 and $49 on Spirit Airlines and Frontier, respectively.

Alternative routes for Denver International to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Houston

Things to know before you go - useful duration and weather info for your trip from Denver International to Houston.
Flight duration
2h 31m
Average temperature for May in Houston
77.0 °F

Airports servicing Denver

Airports servicing Houston

Top 5 airlines flying from Denver International to Houston

The chart below displays the airlines Cheapflights users traveling from Denver International to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$38 $129 No cancel fee 62%
Spirit Airlines
$42 $133 No cancel fee 65%
Delta
$82 $143 No cancel fee N/A
American Airlines
$57 $170 No cancel fee 71%
United Airlines
$48 $233 No cancel fee 69%

Hourly flight availability from Denver International to Houston

See what time of day planes typically take off from Denver International towards Houston.
Afternoon Noon to 6 PM 44% of DEN to IAH departures
Morning 6 AM to noon 23% of DEN to IAH departures
Evening 6 PM to midnight 19% of DEN to IAH departures
Early morning Midnight to 6 AM 14% of DEN to IAH departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Denver International to Houston
See how many times per day planes take to the skies headed from Denver International to Houston.
Sunday
22 daily flights
Monday
29 daily flights
Tuesday
27 daily flights
Wednesday
32 daily flights
Thursday
33 daily flights
Friday
30 daily flights
Saturday
21 daily flights
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