Question : What are the chances this flight will be delayed?
Answer : Flights from IAD to LIS are on time 88% of the time, ranking in the top 25% of the world. If a flight is late, though, expect an average of about half an hour added to your flight time.
Question : In terms of overall promptness, how does IAD to LIS rank compared to the rest of the world?
Answer : Using the combined on-time percentage and average delay breakdown, Dulles to Lisbon currently has a 5 out of a possible 5 star rating. A 5-star rating means you should feel confident in getting to Lisbon on time.
Question : Who's offering the cheapest round-trip flight to Lisbon Portela Airport (LIS) over the coming months?
Answer : American Airlines is offering the best deal at $605. Better snatch it up quickly because prices range all the way up to $8,740 over the next three months.
Question : What is the cheapest day to fly in the next four weeks?
Answer : Jun 28th has seen bookings (as of Jun 26th) as cheap as $901. That comes in 34% below the average price for this route. Saving now means you'll have more money to spend on your trip.
Question : Would you be willing to change your travel days if it saved you money?
Answer : The cheapest day to fly in July is Wednesday. Flexibility is paramount when booking travel plans in order to keep travel costs down.
Question : Do prices fluctuate more for this route than others?
Answer : Flight prices change a lot more than the majority of routes from the United States for IAD to LIS. They range anywhere from $605 to $8,740. The further out you book a route, the more likely you are to save.
Question : Do travelers from Dulles typically stay in Lisbon for very long?
Answer : Passengers from IAD to LIS stay 13 days on average.