Cheap flights from Denver to Houston (DEN - IAH)

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The best prices from Denver Intl to Houston are usually found in August or September, booked 28 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

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

All the information you need to plan the best DEN to IAH flight in 2021: compare Denver to Houston flight prices with the expected peak season, weather and rainfall in Houston.
DEN - HO1
Price
$74 - $201
HO1
Temperature
53.6 - 84.2 °F
HO1
Precipitation
3.2 - 5.9 inches

Popular in

December

High demand for flights, 30% potential price rise

Cheapest in

August

Best time to find cheap flights, 47% potential price drop

Round-trip from

$74

From Denver Intl to Houston

One-way from

$17

One-way flight from Denver Intl to Houston

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Denver to Houston?

Travelers have found it’s best to book a flight 25 days in advance to save up to 42% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 25 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Denver to Houston 1-2 weeks in advance for as low as $143, or $188 for flights within the next 24 hours.

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

Flights from Denver to Houston lean towards being more expensive in December. Prices are generally better when you fly from Denver to Houston in August, with the cheapest ticket starting at $45.

When is the cheapest time to fly from Denver to Houston (DEN - HO1)?

It’s optimal to fly from Denver to Houston in the evening. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly round-trip from Denver to Houston?

Users have found that flying from Denver to Houston on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

Cheap flights from Denver to Houston in October, November 2021

The best prices found for DEN to IAH flights for October, November
13 Nov - 15 Nov
$35pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl
29 Oct - 31 Oct
$38pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl
11 Nov - 15 Nov
$41pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl

Denver Intl to Houston 2021 flight deals

Cheap flights to Houston from Denver found for this year
13 Nov - 15 Nov
$35pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl
29 Oct - 31 Oct
$38pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl
10 Dec - 12 Dec
$39pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl

Non-stop flights to Houston from Denver

Save time with Denver to Houston direct flight deals
13 Nov - 15 Nov
$35pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl
29 Oct - 31 Oct
$38pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl
10 Dec - 12 Dec
$39pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl

Last minute flights from Denver to Houston

Late deals on round-trip flights to Houston from Denver, departing today and this week
28 Oct - 30 Oct
$53pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl
28 Oct - 30 Oct
$58pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl
28 Oct - 8 Nov
$60pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
DEN
Denver Intl

One-way flights to Houston from Denver

The cheapest one-way flights from Denver to Houston
1:00 am - 4:26 am
Spirit Airlines
Nonstop
2h 26m
DEN - IAH
Spirit Airlines
$17
FlyFar
1:31 pm - 4:51 pm
Spirit Airlines
Nonstop
2h 20m
DEN - IAH
Spirit Airlines
$18
Gotogate
1:05 am - 4:35 am
Frontier
Nonstop
2h 30m
DEN - IAH
Frontier
$25
JustFly

Related info for your journey

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

Flight FAQs

From Denver to Houston

What airport do you fly from for flights from Denver to Houston?

For a flight from Denver to Houston, you will be flying from Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city. Denver Intl is the only Denver airport and it handles 13 outbound flights to Houston per day. 7 airlines have flights to Houston from Denver Intl on a regular basis.

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

Due to the rapidly changing circumstances due to COVID-19, airlines like Spirit Airlines, United Airlines, and Frontier flying from Denver Intl to Houston have implemented new flexible cancellation policies.

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

Yes, there are multiple flights from Denver to Houston for under $100. The cheapest flight booked recently is on Spirit Airlines for just $35, but on average you can expect to pay $50.

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

Cheapflights has at least 20 direct flights from Denver to Houston under $100. A good price for a nonstop flight from Denver to Houston is less than $54.

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

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

What days are nonstop flights available from Denver to Houston?

You can find nonstop flights on the following days: Wednesday, Friday, Saturday.

How popular is this Denver to Houston flight route?

Within the past month, 256 users have taken a look at flights from Denver Intl to Houston.

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

11 flight departures from Denver to Houston per day on average.
Morning (6am - Noon) - 100% of flight departures

How long is the flight from Denver to Houston?

Spirit Airlines and Frontier can get you from Denver to Houston in just under 2h 20m. Your travel time will be generally consistent. The distance between Denver and Houston is about 866 mi. Most flights are nonstop.

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

Spirit Airlines, at $35, was found to be the cheapest airline from Denver to Houston. An alternate airline flying to your destination would be Frontier. These flights start at 75% lower than the current average price 3 months from now.

What are the most reliable airlines from Denver to Houston?

Before booking your flight to Houston from Denver, check out the most reliable airlines to get you to your destination on time: Avianca (85%), Air Canada (79%), Air New Zealand( 79%).

What are the most popular airlines that fly from Denver to Houston?

The most popular airlines flying from Denver to Houston are Major Airline, American Airlines and Delta. Something to consider prior to booking your flight.

What are the cheapest flights from Denver to Houston?

Looking at all options, your cheapest flight can be booked for $30. While the most popular route (Denver Intl - Houston Hobby) can be booked for $35 on average our data indicates $569 when flying from Denver to Houston

COVID Restrictions

View COVID Travel Restrictions for Houston, TX

Do I need a COVID test to fly to Houston from Denver?

Information is based on travel restrictions for travel to Houston within the United States

Most visitors from Denver Intl need to provide a negative COVID-19 test result and/or quarantine to enter Houston.

COVID-19 testing requirements
Visitors from Denver Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Houston.

Quarantine requirements
Visitors from Denver Intl are not required to quarantine after entering Houston.

Do I need a test to fly back to Denver from Houston?

Returning to Denver Intl from Houston

COVID-19 testing requirements
Visitors from Houston must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Denver Intl.

Quarantine requirements
Visitors from Houston are not required to quarantine after entering Denver Intl.

Hide COVID Travel Restrictions for Houston, TX

Alternative routes for Denver 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 to Houston.
Flight duration from DEN to Houston
2h 27m
Average temperature for October in Houston
77.0 °F

Airports servicing Denver

Airports servicing Houston

Top 5 airlines flying from Denver Intl to Houston

The chart below displays the airlines Cheapflights users traveling from Denver 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 $133 No cancel fee 62%
Spirit Airlines
$42 $134 No cancel fee 65%
United Airlines
$48 $269 No cancel fee 69%
American Airlines
$57 $279 No cancel fee 71%
Delta
$82 $167 No cancel fee N/A

Hourly flight availability from Denver to Houston

See what time of day planes typically take off from Denver towards Houston.
Morning 6 AM to noon 47% of DEN to IAH departures
Afternoon Noon to 6 PM 29% of DEN to IAH departures
Evening 6 PM to midnight 16% of DEN to IAH departures
Early morning Midnight to 6 AM 8% of DEN to IAH departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Denver to Houston
See how many times per day planes take to the skies headed from Denver to Houston.
Sunday
13 daily flights
Monday
15 daily flights
Tuesday
12 daily flights
Wednesday
12 daily flights
Thursday
15 daily flights
Friday
15 daily flights
Saturday
9 daily flights
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