368 - 806 GBP
In general, when booking your flight to Houston, February is the cheapest month on average.
In general, most flyers find the cheapest time to book a flight to Houston is about 29 days prior.
From most locations, the cheapest day to fly to Houston is Wednesday. Most users found that departing on a Sunday was most expensive.
Typically, cheap prices to Houston are most often found for morning flights. Cheap prices are less likely for evening flights.