In general, when booking your flight to Houston, April is the cheapest month on average.
From most locations, to find the best deals on airfare, our data shows that users booking 60 days before flying found the cheapest flight to Houston.
From most locations, the cheapest day to fly to Houston is Thursday. Most users found that departing on a Wednesday was most expensive.
On average you can find the best deals on plane tickets to Houston when looking for flights with morning departure times.