From most locations, the cheapest flights to Houston can be found during the month of March; however great deals can be found at other times.
In general, most flyers find the cheapest time to book a flight to Houston is about 60 days prior.
Most of our users find that booking their departure to Houston on a Wednesday is the cheapest. Conversely, departing on a Tuesday seems to be the most expensive.
In general, when looking for the cheapest flight to Houston, our data indicates that evening flights are the most cost-effective. midday flights tend to be the most expensive.