This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $578 fare is the cheapest current round-trip from New York (JFK) to LON on FI flight FI614, departing 2026-09-05 at 20:30 with return on 2026-09-19.

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