IAH (Houston) to LIS (Lisbon) Flights $439.36

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : As of Jul 17th, the cheapest day to fly from Houston to Lisbon is Aug 1st. Tickets are currently being sold for $739, which is 55% below the average price for this route.

Question : How much should a trip from Houston (IAH) to Lisbon (LIS) cost?
Answer : Ranging anywhere from $734 to $8,799, prices for IAH to LIS do change a lot more than the majority of routes from the United States. The further out you book a route, the more likely you are to save.

Question : Would you be willing to change your travel days if it saved you money?
Answer : The best day to fly on a budget this month is Sunday. Being flexible with your travel days garners even more savings during booking.

Question : Which airline is offering the cheapest flight from IAH to LIS?
Answer : American Airlines is offering the best deal at $734. Better snatch it up quickly because prices range all the way up to $8,799 over the next three months.

Question : How long do most people stay in Lisbon?
Answer : Of course you're not most people, but if you were, you'd stay roughly 11 days.

Question : Is there another way to get to Lisbon Portela Airport (LIS) besides George Bush Intercontinental Airport (IAH)?
Answer : George Bush Intercontinental Airport is a terrific airport, but in getting you to Lisbon, there is a lower cost option – William P. Hobby Airport. It's just 23 miles away and flights are being booked 28% cheaper over the upcoming months.