Cheap Flight Tickets from Denver (DEN) to Houston (IAH), Starting at $237

Good to Know: Cheapest and Fastest DEN - IAH Flights

Useful information for finding best airline tickets from Denver International to George Bush Intercontinental Houston on your next trip.

Cheapest Round Trip Flight

$365

AS Alaska Airlines • 1 stop • 16h 54m

Jul 10 – Jul 17

The cheapest round trip flight from Denver to Houston (DEN-IAH-DEN) is currently $365

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Cheapest Direct Flight

$300

F9 Frontier Airlines • nonstop • 4h 2m

Jun 24

The cheapest nonstop flight from Denver to Houston (DEN-IAH) is currently $300

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Fastest Flight

3h 58m

The fastest nonstop flight from Denver to Houston (DEN-IAH) takes 3h 58m

Top Airlines Flying from Denver to Houston

Delta Airline, DL

Delta Airlines

Alaska Airlines -AS

Alaska Airlines

American Airlines, AA

American Airlines

Latest Flight Deals from Denver (DEN) to Houston (IAH)

Compare and book low fare round-trip air tickets from Denver to Houston. Ideal for travelers with confirmed return itineraries.

Jul 10 - Jul 17, Economy
AS
Denver → Houston
16h 54m
6:02 AM - 5:16 PM • 1 stop
AS
Denver → Houston
20h 18m
6:02 AM - 5:20 PM • 1 stop
$365
Alaska Airlines
Jul 10 - Jul 17, Economy
DL
Denver → Houston
10h 14m
6:00 AM - 1:14 PM • 1 stop
DL
Denver → Houston
10h 17m
9:41 AM - 2:58 PM • 1 stop
$506
Delta Airlines
Jul 10 - Jul 17, Economy
DL
Denver → Houston
10h 55m
12:40 AM - 8:35 AM • 1 stop
DL
Denver → Houston
9h 15m
8:05 AM - 1:00 PM • 1 stop
$506
Delta Airlines
Jul 10 - Jul 17, Economy
DL
Denver → Houston
10h 22m
4:35 PM - 11:57 PM • 1 stop
DL
Denver → Houston
10h 49m
6:34 PM - 12:23 AM • 1 stop
$506
Delta Airlines
Jul 10 - Jul 17, Economy
DL
Denver → Houston
10h 51m
5:40 AM - 1:31 PM • 1 stop
DL
Denver → Houston
9h 15m
8:05 AM - 1:00 PM • 1 stop
$506
Delta Airlines
Jul 10 - Jul 17, Economy
DL
Denver → Houston
11h 40m
9:39 AM - 5:39 PM • 1 stop
DL
Denver → Houston
9h 1m
10:49 AM - 3:30 PM • 1 stop
$506
Delta Airlines

Fly from Denver to Houston with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Denver to Houston? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Denver to Houston Flights

What are the airports in Denver?
DEN
What’s the most popular airline flying from DEN to IAH?
The most popular airline flying from Denver to Houston are
Can I fly from DEN to IAH non-stop?
Yes, you can fly DEN to IAH non-stop on
Which airlines fly nonstop between Denver and Houston?
The non-stop flights between Denver and Houston are .
What’s the earliest departure time from DEN to IAH Airport?
The earliest flight leaves DEN at 12:40 am and lands in IAH - George Bush Intercontinental Houston
What are the airports in Houston?
IAH
Can I make changes to my Denver to Houston flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from DEN to IAH?
Read the fare rules of the Denver to Houston air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Denver and Houston?
operate flights between Denver and Houston
How long does a flight from Denver to Houston take?
It takes approximately 2 hour to fly non-stop from DEN to IAH, which is 861.63 miles by air.
Which airlines provide the cheapest flights from Denver (DEN) to Houston (IAH) ?
In the past couple of days, the cheapest tickets to IAH from DEN were found on DL : USD 506
Do I need a passport to fly between DEN and IAH?
No
What’s the latest departure time from DEN to IAH ?
The last flight leaves DEN at 9:06 pm

Essential Information for Booking Flights from Denver (DEN) - AI Insights

What's the cheapest airline from den to iah?
You can find affordable Business class flights from Denver International Airport (DEN) to George Bush Intercontinental Houston Airport (IAH) on Frontier Airlines. For a round-trip journey, consider booking in advance to secure low fares. This is an ideal time for travel as it falls within the off-season for this route.
What's the popular airline to fly from den to iah?
Frontier Airlines offers budget-friendly flights from Denver International Airport (DEN) to George Bush Intercontinental Houston Airport (IAH). With a round-trip journey, you can enjoy premium business class service featuring priority check-in, lounge access, and flatbed seats. Book your airfare in advance to secure the best rates.
What's the cheapest day of the week to fly from den to iah?
The cheapest day to fly from Denver (DEN) to Houston IAH is Sunday. Flying on Sundays can result in lower fares compared to other days of the week, making it a budget-friendly option for your round-trip Business class flight.
What's the cheapest month to fly from den to iah?
The cheapest month to fly from Denver (DEN) to Houston George Bush Intercontinental Airport (IAH) is December. This is because it falls during the off-season, resulting in lower airfare prices.
Which airline/airlines fly from den to iah?
The airlines that fly from Denver International Airport (DEN) to George Bush Intercontinental Houston Airport (IAH) include Mexicana, Delta Airlines, Copa Airlines, Frontier Airlines, Lufthansa Airlines, JetBlue Airways, Aeromexico, Southwest Airlines, Alaska Airlines, and United Airlines. You can find the cheapest flights on our website for your round-trip journey in July or December.
What is the estimated airfare for a round trip from Denver International to George Bush Intercontinental Houston?
The estimated airfare for a round trip from Denver International to George Bush Intercontinental Houston on Frontier Airlines (F9) varies based on the travel dates, but you can expect to pay around $500-$700 per person.
How many advance booking days do I need to book my business class ticket?
It is recommended to book your business class ticket at least 48 advance booking days in advance to get the best prices.
Can I book flights directly on your website or through an agency?
You can book flights directly on our website or through a licensed travel agency.
What are the available cabin options and their corresponding prices?
Our available cabin options include Business (Premium service with priority, lounge, and flatbed seats) for $500-$700 per person.
Do you offer any discounts or promotions for July travel?
Yes, we offer a discount of 10% on all flights booked in July.
How can I track the status of my flight after booking?
You can track the status of your flight by logging into your account on our website or through the mobile app.
Is there a busco option to book my airfare in advance?
Yes, you can book your airfare up to 48 advance booking days in advance.

Denver (DEN) to Houston (IAH): Airport Information

Origin Airport Denver International , Denver, US
Destination Airport George Bush Intercontinental Houston , Houston, US
Distance 862 miles

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