CA $196 Cheap Flights from Denver (DEN) to Houston (IAH)

View CA $196 flight on Wed, Jun 10, 2026Opens in a new window

Popular airlines from Denver International Airport (DEN) to George Bush Intercontinental Airport (IAH)

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

Prices were available within the past 7 days and start at CA $196 for one-way flights and CA $386 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, May 19 - Tue, Jun 2
DEN
Denver
IAH
Houston
CA $386 Roundtrip, found 6 days ago
CA $386
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, May 19 from Denver to Houston, returning Tue, Jun 2, priced at CA $386 found 6 days ago
Delta
Wed, May 27 - Tue, Jun 9
DEN
Denver
IAH
Houston
CA $392 Roundtrip, found 6 days ago
CA $392
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, May 27 from Denver to Houston, returning Tue, Jun 9, priced at CA $392 found 6 days ago
Delta
Wed, Jul 1 - Tue, Jul 14
DEN
Denver
IAH
Houston
CA $395 Roundtrip, found 6 days ago
CA $395
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Jul 1 from Denver to Houston, returning Tue, Jul 14, priced at CA $395 found 6 days ago
Delta
Tue, May 19 - Thu, Jun 4
DEN
Denver
IAH
Houston
CA $397 Roundtrip, found 6 days ago
CA $397
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, May 19 from Denver to Houston, returning Thu, Jun 4, priced at CA $397 found 6 days ago
Delta
Tue, May 19 - Thu, May 21
DEN
Denver
IAH
Houston
CA $399 Roundtrip, found 6 days ago
CA $399
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, May 19 from Denver to Houston, returning Thu, May 21, priced at CA $399 found 6 days ago
Delta
Wed, Jul 1 - Thu, Jul 16
DEN
Denver
IAH
Houston
CA $405 Roundtrip, found 6 days ago
CA $405
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Jul 1 from Denver to Houston, returning Thu, Jul 16, priced at CA $405 found 6 days ago
American Airlines
Mon, Sep 14 - Thu, Sep 17
DEN
Denver
IAH
Houston
CA $415 Roundtrip, found 1 day ago
CA $415
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Sep 14 from Denver to Houston, returning Thu, Sep 17, priced at CA $415 found 1 day ago
United
Tue, May 19 - Tue, May 26
DEN
Denver
IAH
Houston
CA $468 Roundtrip, found 6 days ago
CA $468
Roundtrip
found 6 days ago
Select United flight, departing Tue, May 19 from Denver to Houston, returning Tue, May 26, priced at CA $468 found 6 days ago
JetBlue Airways
Mon, Jun 8 - Fri, Jun 12
DEN
Denver
IAH
Houston
CA $763 Roundtrip, found 1 day ago
CA $763
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Jun 8 from Denver to Houston, returning Fri, Jun 12, priced at CA $763 found 1 day ago
Alaska Airlines
Mon, Jun 8 - Fri, Jun 12
DEN
Denver
IAH
Houston
CA $1,074 Roundtrip, found 1 day ago
CA $1,074
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Jun 8 from Denver to Houston, returning Fri, Jun 12, priced at CA $1,074 found 1 day ago

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city centre is 24 minutes. Flights from CA $386
IAH
George Bush Intercontinental
Cheapest
Average driving time to city centre24 min
Flights from CA $386

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental) cost?
One-way flights typically cost between $490 and $1,625 and return flights often range between $490 and $1,625. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
September is typically the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental), with average round-trip fares around 336 CAD. This is about 16% lower than the average price throughout the year. September often sees lower prices as the summer travel rush ends and before the holiday season begins. Other cheap months to fly from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental) include January and February.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
Enter DEN to IAH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The best airline to fly with from Denver, CO (DEN-Denver Intl.) (DEN) to Houston, TX (IAH-George Bush Intercontinental) (IAH) will differ from traveler to traveler. If you like to fly early, UA offers early morning flights. If price is the most important factor, F9 typically offers the lowest fares. UA offers the most daily flights from Denver, CO (DEN-Denver Intl.) (DEN) to Houston, TX (IAH-George Bush Intercontinental) (IAH), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
Based on booking data from the past year, the cheapest months to fly from Denver International Airport (DEN) to George Bush Intercontinental (IAH) are typically September and February, with average round-trip flights costing around 336 CAD. While these months offer great value, the most popular times to travel are July and April, meaning you'll find plenty of flight options then. If you're looking for the best balance of price and availability, consider these options.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
There are approximately 15 nonstop flights per day from Denver Intl. (DEN) to George Bush Intercontinental (IAH). For even more choice, look at flights that include layovers, as there are around 102 connecting flights per day. Some common connection points include Dallas-Fort Worth Intl. (DFW), Seattle - Tacoma Intl. (SEA), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The earliest flight from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental) typically departs at approximately 12:00 AM local time, operated by Frontier Airlines. This is a seasonal service active in June, July, September, October, and November. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
You'll typically find the most flights from Denver Intl. (DEN) to George Bush Intercontinental (IAH) on a Friday, with around 81 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, American Airlines, and Delta Air Lines. Fridays offer notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The most popular departure times for flights from Denver Intl. (DEN) to George Bush Intercontinental (IAH) are in the early morning, from 6am to 9am. About 26% of passengers prefer this time. Many major carriers, including American Airlines, Frontier Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day, arriving at your destination with plenty of time for business or leisure activities.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
Direct flights from DEN to IAH usually take about 2 hours 30 minutes, traveling roughly 861 miles. If you opt for a connecting flight, expect to add around 5 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
Select the "Business class" and "First class" filters when looking for DEN to IAH flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Houston from Denver Intl. (DEN)?
When traveling from Denver Intl. (DEN) to Houston, you can fly into William P. Hobby (HOU) and George Bush Intercontinental (IAH). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), San Diego Intl. (SAN) before reaching Houston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
If you booked your Denver, CO (DEN-Denver Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Roundtrip price
CA $378
Distance
1378 km
Average flight time
3 hours 36 mins

Book with confidence

Denver to Houston Flights

The easy way to book your flights from Denver to Houston 

With Expedia, it’s simple to find and book flights to Houston from Denver whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to George Bush Intercontinental, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Denver to Houston today, tomorrow, or this week.  

 

Save dollars with cheap flights from Denver Intl., DEN to George Bush Intercontinental, IAH 

Sort your search results by price to find great deals on your flight from Denver to Houston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Houston from Denver currently is just CA $386 rising to CA $1,074.  

Here are more money-saving tips: 

  • Fly in May when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Houston  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Houston from Denver 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Houston with Expedia today.

Denver to Houston Flights

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