$30 Cheap Flights from Denver to Houston

For any present Houston, TX Airport (IAH-George Bush Intercontinental) travel advice and quarantine requirements, go to the Covid-19 Travel Advisor. Look before you book your flight, so you don't get caught up en route.

United Airlines and Frontier Airlines are some of the airlines that sell direct flights from DEN to IAH. If you want to get to your destination as quickly as possible, these are the airlines for you.

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On average, flying from Denver Intl. Airport (DEN) to George Bush Intercontinental Airport (IAH) takes a mere 2 hours and 22 minutes. Use the short trip to catch forty winks or listen to a podcast before the next part of your adventure begins.

There's a flight distance of 870 mi between Denver, CO Airport (DEN-Denver Intl.) and George Bush Intercontinental Airport (IAH). Take advantage of the short trip to jot down all the popular places you plan to visit and how you're going to get there. A well-thought-out itinerary is key to having an unforgettable vacation.

You can take your pick from a few airlines that offer direct flights between Denver and Houston. United Airlines (UA) is one of the most reputable. This air carrier operates approximately 260 flights each month. A popular alternative is Frontier Airlines (F9), which has 41 flights every month. The more air carriers you consider, the more likely you are to pick up a terrific deal.

From the moment you enter the departure terminal to when you leave the arrivals terminal, if you're flying with United Airlines, American Airlines or Spirit Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.