Question : How many days should you spend in Lisbon?
Answer : Travelers from SDF to LIS stay nine days on average.
Question : Is price more important than specific travel days for you?
Answer : The cheapest day to fly in April is Wednesday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.
Question : Is the price you found a good deal?
Answer : Ranging from $781 to $3,150, prices for SDF to LIS do fluctuate more than most routes from the United States. Prices tend to be lower the further out you book.
Question : Which airline is offering the cheapest flight from SDF to LIS?
Answer : United Airlines is offering the best deal at $781. Better snatch it up quickly because prices range all the way up to $3,150 over the next three months.
Question : What is the cheapest day to fly in the next four weeks?
Answer : Apr 4th has seen bookings (as of Mar 27th) as cheap as $961. That comes in 25% below the average price for this route. Saving now means you'll have more cash in your pocket for the trip.