Question : Who's offering the cheapest round-trip flight to Lisbon Portela Airport (LIS) over the coming months?
Answer : Prices are hitting as high as $4,397 over the next three months when flying to LIS from DSM. Check out Aer Lingus, as they have been booking customers at just $1,129.
Question : What day in the next four weeks has the best fares?
Answer : Since low prices are preferred, look at May 25th. As of May 22nd, it's showing the cheapest ticket sales at $1,129. That is 60% below the average price for this route, so you can spend that extra money on a fun experience in Lisbon.
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 eight days.
Question : Would you be willing to change your travel days if it saved you money?
Answer : For the month of June, the cheapest day to fly is Saturday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.
Question : Do prices fluctuate more for this route than others?
Answer : Ranging anywhere from $1,129 to $4,397, prices for DSM to LIS do fluctuate a lot more than most routes from the United States. However, the sooner you book, the more you'll be able to save.