This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $641 fare is the cheapest current round-trip from Frankfurt (FRA) to BKK on EC flight EC5404, departing 2026-09-07 at 09:10 with return on 2026-09-28.

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