Question : Looking for the cheapest flight over the next 30 days?
Answer : As of Feb 20th, the cheapest day to fly from Lisbon to Dulles is Feb 27th. Tickets are currently being sold for $630, which is 67% below the average price for this route.
Question : Is the price you found a good deal?
Answer : Ranging anywhere from $627 to $2,742, prices for LIS to IAD do fluctuate much more than the majority of routes from Portugal. However, the sooner you book, the better price you tend to get.
Question : Over the coming months, which airline is getting their passengers to Washington Dulles International Airport (IAD) round-trip the cheapest?
Answer : KLM is your best bet for finding that coveted low fare. They're offering fares as low as $627, while prices for other flights are as high as $2,742.
Question : Do travelers from Lisbon typically stay in Dulles for very long?
Answer : The average time spent in Dulles by travelers from Lisbon is two weeks.
Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : Saturday is your cheapest day to fly in March. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.
Question : What are the chances this flight will be delayed?
Answer : Passengers are currently getting to their destination on schedule 84% of the time, which ranks in the top 25% of the world. If a flight is delayed, though, expect an average of 39 minutes added to your flight time.
Question : Is this route your best bet for getting to Dulles with minimal delays?
Answer : The best measurement of overall promptness combines both on-time percentage and total delay minutes. LIS to IAD currently has 4 stars out of 5, earning it one of the best performances in the world.