Flights Washington → London — September 11, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Friday, September 11, 2026 on the Washington–London route: 1 stop itinerary (2 flights) via New York JFK (JFK), from Washington Reagan National (DCA) to London Gatwick (LGW), first flight JetBlue B6254, departs 6:30 AM, arrives 6:20 AM the next day, total travel time 18h 50m including layovers, flight time 8h 12m (layovers excluded), $562 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 5, 2026 and read by AirSource on September 10, 2026, 19:00 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: United Airlines UA918, from Washington Dulles (IAD) to London Heathrow (LHR), departs 6:35 PM, arrives 6:55 AM the next day, direct, 7h 20m, $575 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes allowed for a fee, non-refundable.