Travelling from most locations, it is best to book your flight to Houston during the month of February for the best deal, although there are other times of the year which offer great deals as well.
Most flyers found that booking flight tickets 16 days in advance of their planned departure date is, on average, the best time to get cheap flights to Houston.
In general, booking your departure to Houston for a Tuesday represents the best deal on airfare. Try to avoid a Saturday departure to stay away from the highest prices.
On average you can find the best deals on plane tickets to Houston when looking for flights with morning departure times.