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Uncover the best deals on Denver to Houston flights by comparing fares from hundreds of airlines and agencies.
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
$179
Frontier Airlines
• 1 stop
• 10h 52m
Oct 08 – Oct 12
The cheapest round trip flight from Denver to Houston (DEN-IAH-DEN) is currently $179
Cheapest One way Flight
$152
Frontier Airlines
• 2 stops
• 26h 43m
Nov 03
The cheapest one way flight from Denver to Houston (DEN-IAH) is currently $152
Cheapest Direct Flight
$214
Frontier Airlines
• nonstop
• 3h 46m
Oct 08
The cheapest nonstop flight from Denver to Houston (DEN-IAH) is currently $214
Fastest Flight
3h 45m
The fastest nonstop flight from Denver to Houston (DEN-IAH) takes 3h 45m
Top Airlines Flying from Denver to Houston
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.
Oct 08 - Oct 12, Economy
Denver → Houston
10h 52m
7:31 AM - 3:23 PM • 1 stop
Denver → Houston
3h 58m
10:40 PM - 12:18 AM • nonstop
Frontier Airlines
Oct 08 - Oct 12, Economy
Denver → Houston
16h 58m
6:42 PM - 6:00 AM • 1 stop
Denver → Houston
3h 58m
10:40 PM - 12:18 AM • nonstop
Frontier Airlines
Oct 08 - Oct 12, Economy
Denver → Houston
3h 48m
5:00 AM - 8:28 AM • nonstop
Denver → Houston
3h 55m
7:20 AM - 8:55 AM • nonstop
United Airlines
Oct 08 - Oct 12, Economy
Denver → Houston
3h 53m
10:07 AM - 1:40 PM • nonstop
Denver → Houston
3h 52m
5:15 AM - 6:47 AM • nonstop
United Airlines
Oct 08 - Oct 12, Economy
Denver → Houston
3h 51m
4:20 PM - 7:51 PM • nonstop
Denver → Houston
3h 55m
7:20 AM - 8:55 AM • nonstop
United Airlines
Explore competitive one-way airfare options for DEN - IAH flights. Best suited for flexible or open-ended travel plans.
Flying to Houston soon? We've surfaced some of the most affordable last-minute flights from Denver to Houston, ideal for urgent plans or spontaneous trips.
Oct 08 - Oct 12, Economy
Denver → Houston
10h 52m
7:31 AM - 3:23 PM • 1 stop
Denver → Houston
3h 58m
10:40 PM - 12:18 AM • nonstop
Frontier Airlines
Oct 08 - Oct 12, Economy
Denver → Houston
16h 58m
6:42 PM - 6:00 AM • 1 stop
Denver → Houston
3h 58m
10:40 PM - 12:18 AM • nonstop
Frontier Airlines
Oct 08 - Oct 12, Economy
Denver → Houston
3h 48m
5:00 AM - 8:28 AM • nonstop
Denver → Houston
3h 55m
7:20 AM - 8:55 AM • nonstop
United Airlines
Oct 08 - Oct 12, Economy
Denver → Houston
3h 53m
10:07 AM - 1:40 PM • nonstop
Denver → Houston
3h 52m
5:15 AM - 6:47 AM • nonstop
United Airlines
Oct 08 - Oct 12, Economy
Denver → Houston
3h 51m
4:20 PM - 7:51 PM • nonstop
Denver → Houston
3h 55m
7:20 AM - 8:55 AM • nonstop
United Airlines
Looking for the fastest way to Houston? These direct flight options from DEN to IAH offer both convenience and value—no layovers, just straight to your destination.
Oct 08 - Oct 12, Economy
Denver → Houston
3h 46m
6:10 AM - 9:36 AM • nonstop
Denver → Houston
3h 58m
10:40 PM - 12:18 AM • nonstop
Frontier Airlines
Oct 08 - Oct 12, Economy
Denver → Houston
3h 48m
5:00 AM - 8:28 AM • nonstop
Denver → Houston
3h 55m
7:20 AM - 8:55 AM • nonstop
United Airlines
Oct 08 - Oct 12, Economy
Denver → Houston
3h 53m
10:07 AM - 1:40 PM • nonstop
Denver → Houston
3h 52m
5:15 AM - 6:47 AM • nonstop
United Airlines
Oct 08 - Oct 12, Economy
Denver → Houston
3h 51m
4:20 PM - 7:51 PM • nonstop
Denver → Houston
3h 55m
7:20 AM - 8:55 AM • nonstop
United Airlines
Oct 08 - Oct 12, Economy
Denver → Houston
3h 45m
8:34 PM - 11:59 PM • nonstop
Denver → Houston
3h 52m
6:20 AM - 7:52 AM • nonstop
United Airlines
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 5:00 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 UA : USD 820
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 8:34 pm
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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