LIS (Lisbon) to DCA (Washington) Flights $725.26

Question : When flying into Washington, is Ronald Reagan National Airport your cheapest option?
Answer : Ronald Reagan National Airport is a great airport, but there is a cheaper option – Washington Dulles International Airport. It’s just 23 miles away and flights are being booked 43% cheaper over the coming two months.

Question : Over the coming months, which airline is getting their passengers to Ronald Reagan National Airport (DCA) round-trip the cheapest?
Answer : United Airlines is offering the best deal at $847. Better take a look quickly because prices range all the way up to $3,343 over the next three months.

Question : Do prices fluctuate more for this route than others?
Answer : Ranging from $847 to $3,343, prices for LIS to DCA do fluctuate more than the majority of routes from Portugal. Remember, the sooner you book, the better price you tend to get.

Question : What is the cheapest day to fly in the next four weeks?
Answer : As of Sep 18th, the cheapest day to fly from Lisbon to Washington is Sep 28th. Tickets are currently being sold for $847, which is 61% below the average price for this route.

Question : How many days should you spend in Washington?
Answer : Over the next two months, passengers from LIS to DCA are planning on staying for eight days on average.

Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : In October, the cheapest day to fly is Saturday. Being flexible with your travel days garners even more savings during booking.