August is by far the best month, wherein you can get cheapest flights for Lisbon to Washington. Meanwhile, August is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
August- During this month the footfall is less so, the flight is gradually inexpensive.
August - is the cheapest month to book round trip flights.
Cheapest Fare- Currently, this is the fare price based on the current demand.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.
LIS
12:55
Lisbon
Humberto Delgado Airport
Sun , 31 Aug 2025
IAD
09:37
Washington
Washington Dulles International Airport
Mon, 01 Sep 2025
LIS
05:55
Lisbon
Humberto Delgado Airport
Sun , 31 Aug 2025
IAD
16:15
Washington
Washington Dulles International Airport
Sun, 31 Aug 2025
LIS
16:15
Lisbon
Humberto Delgado Airport
Sun , 31 Aug 2025
IAD
13:30
Washington
Washington Dulles International Airport
Mon, 01 Sep 2025
LIS
06:35
Lisbon
Humberto Delgado Airport
Sun , 31 Aug 2025
IAD
15:00
Washington
Washington Dulles International Airport
Sun, 31 Aug 2025
LIS
07:20
Lisbon
Humberto Delgado Airport
Sun , 31 Aug 2025
IAD
15:55
Washington
Washington Dulles International Airport
Sun, 31 Aug 2025
LIS
10:55
Lisbon
Humberto Delgado Airport
Sun , 31 Aug 2025
IAD
18:55
Washington
Washington Dulles International Airport
Sun, 31 Aug 2025
LIS
12:20
Lisbon
Humberto Delgado Airport
Sun , 31 Aug 2025
IAD
15:35
Washington
Washington Dulles International Airport
Sun, 31 Aug 2025
LIS
18:40
Lisbon
Humberto Delgado Airport
Sun , 31 Aug 2025
IAD
19:05
Washington
Washington Dulles International Airport
Mon, 01 Sep 2025
LIS
07:15
Lisbon
Humberto Delgado Airport
Sun , 31 Aug 2025
IAD
19:59
Washington
Washington Dulles International Airport
Sun, 31 Aug 2025
LIS
20:15
Lisbon
Humberto Delgado Airport
Sun , 31 Aug 2025
IAD
14:40
Washington
Washington Dulles International Airport
Mon, 01 Sep 2025
LIS
12:55
Lisbon
Humberto Delgado Airport
Sun , 31 Aug 2025
IAD
21:25
Washington
Washington Dulles International Airport
Sun, 31 Aug 2025
Flying from Lisbon to Washington has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Lisbon to Washington is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Humberto Delgado Airport (LIS) and Washington Dulles International Airport (IAD). You can expect a flight distance of approximately 5765 km, and most direct services cover it in around 13:08.
Let’s take a closer look at everything you need to know before booking your flight from Lisbon to Washington.
Flight Details | Information |
---|---|
Route Distance | 5765 km |
Average Flight Time | 13:08 hrs |
Departure Airport | Humberto Delgado Airport (LIS) |
Arrival Airport | Washington Dulles International Airport (IAD) |
Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
Direct Flights | YES |
Common Airlines | Air Canada, Swiss, Lufthansa, Iberia |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.