Washington DC (DCA) to Douala (DLA): 5,871 miles (9,448 km) great-circle, about 12h 15m nonstop by our estimate. Cheapest fare observed: $1458 round-trip on United Airlines, with 2 stops, departing July 25, 2026.
$1458 round-trip, United Airlines UA511, departing 2026-07-25 at 13:00, returning 2026-08-15. The recorded itinerary left on a Saturday, returning on a Saturday 21 nights later; the fare was observed 91 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1458, it ranked 24th of the 30 round-trip fares we recorded from DCA (median $998). That is 24.8 cents per great-circle mile (round-trip price over one-way distance), close to the DCA median of 26.4 cents across 30 round-trip routes.
Routes from DCA of similar length: Cairo (5,815 mi) at $1516 and Lagos (5,416 mi) at $1394.
United Airlines had the cheapest fare on 5 of 30 DCA routes. It is the 6th longest of the 30 routes we track from DCA.
Of 2 departure airports with a fare to Douala, Washington DC (DCA) ranked 2nd at $1458. Lowest: $1323 from Washington DC (IAD); highest: $1458 from Washington DC (DCA); 0 nonstop. Cheapest-fare airlines (routes): Turkish (1) and United Airlines (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/New_York, Africa/Douala; flight time is our estimate.