This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $313 fare is the cheapest current round-trip from London (LHR) to RMO on Austrian flight OS332, departing 2026-09-08 at 09:05 with return on 2026-09-18.

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