Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : The lowest-cost day to fly in May is Tuesday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.
Question : How long do most people visit Lisbon?
Answer : Of course you're not most people, but if you were, you'd stay roughly 23 days.
Question : What day in the next four weeks has the best fares?
Answer : As of Apr 24th, the best day for deals to Lisbon (LIS) is May 1st. It costs $1,358, which is 7% below this route's average price.
Question : Is the price you found a good deal?
Answer : Flight prices fluctuate a lot less than the majority of routes from the United States for TUS to LIS. They vary from $1,354 to $1,906. Remember, the sooner you book, the more you'll be able to save.