This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $839 fare is the cheapest current round-trip from Lagos (LOS) to LON on AT flight AT556, departing 2026-09-05 at 19:25 with return on 2026-09-30.

Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.