Question : How long are most people's visits to Houston when they fly in from Lahore?
Answer : Of course you're not most people, but if you were, you'd stay roughly 58 days.
Question : Will you do what it takes to get the absolute cheapest flight?
Answer : The lowest-cost day to fly in December is Sunday. Being flexible with your travel days garners you even more savings during your booking.
Question : Are prices changing frequently for this route?
Answer : Prices for LHE to IAH do fluctuate much more than most. Prices tend to be lower the further out you book.