Question : Are you paying the cheapest or highest price for your ticket to Houston?
Answer : Prices for this trip tend to fluctuate much less than other flights from Bulgaria. They can vary from $512 to $544. The further out you book a route, the more likely you are to save.
Question : Who's offering the cheapest round-trip flight to William P. Hobby Airport (HOU) over the coming months?
Answer : Turkish Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $512, while prices for other flights are as high as $544.