Washington DC (IAD) to Douala (DLA): 5,893 miles (9,484 km) great-circle, about 12h 15m nonstop by our estimate. Cheapest fare observed: $1323 round-trip on Turkish, with 1 stop, departing July 25, 2026.
$1323 round-trip, Turkish TK188, departing 2026-07-25 at 13:20, 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 $1323, it ranked 25th of the 30 round-trip fares we recorded from IAD (median $775). That is 22.5 cents per great-circle mile (round-trip price over one-way distance), close to the IAD median of 22.5 cents across 30 round-trip routes.
Routes from IAD of similar length: Cairo (5,830 mi) at $1087 and Lagos (5,438 mi) at $1034.
Turkish had the cheapest fare on 3 of 30 IAD routes. It is the 6th longest of the 30 routes we track from IAD.
Of 2 departure airports with a fare to Douala, Washington DC (IAD) ranked 1st at $1323. 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.