Cheap Flights from Denver to Houston from $30

Frequently Asked Questions

• What are the cheapest flights from Denver to Houston (DEN-HOU)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as $30 on Cheapest nonstop routes (e.g. DEN to IAH on Thu, Feb 26), while Frontier Airlines offers Cheapest nonstop round-trips from $62 departing on Sat, Feb 21 and returning on Tue, Feb 24.

• Which airlines offer direct flights from Denver to Houston?

  At the moment, you can catch a nonstop flight from Denver to Houston with the following airlines, including: Frontier Airlines United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Denver (DEN) to Houston (HOU) and what is the distance?

  It takes around 2 hours 48 minutes to fly from Denver (DEN) to Houston (HOU).

• When is the best time to book flights from Denver to Houston?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Denver to Houston is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Denver to Houston?

  Based on Trip.com data in the past 4 weeks, there is 96 flight per week flying from Denver to Houston. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA320 (05:05)

• How can I find the best deals on flights from Denver to Houston?

  To find best deals on flights from Denver to Houston, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Feb 26, with one-way flights priced at just $30.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Houston travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Denver (DEN) to Houston (HOU) the cheapest?

  The cheapest months to fly from Denver to Houston is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Denver to Houston on?

  After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Denver to Houston on February 25, 2026 with Frontier Airlines, with prices starting at $31.

• Which airports can I fly to for Houston from Denver?

  You can land at any one of the following hubs in Houston, with Denver International Airport to George Bush Intercontinental Airport (DEN-IAH) is by far the most common option on this route: George Bush Intercontinental Airport (IAH) William P. Hobby Airport (HOU).

• Is there any time difference between Denver and Houston?

  The time difference between Houston and Denver is 1h.

• How do I change or cancel my ticket from Denver to Houston?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.