Flights London → Washington — September 16, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Wednesday, September 16, 2026 on the London–Washington route: 3 stops itinerary (4 flights) via Palma (PMI) and Madrid (MAD) and Lisbon (LIS), from London Luton (LTN) to Washington Dulles (IAD), first flight Wizz Air UK W95351, departs 11:50 AM, arrives 3:10 PM the next day, total travel time 32h 20m including layovers, flight time 13h 50m (layovers excluded), $547 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 7, 2026 and read by AirSource on September 10, 2026, 19:03 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: Virgin Atlantic VS21, from London Heathrow (LHR) to Washington Dulles (IAD), departs 3:50 PM, arrives 7:15 PM, direct, 8h 25m, $956 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes allowed for a fee, refundable.