This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $174 fare is the cheapest current round-trip from Oslo (OSL) to LON on RR flight RR2109, departing 2026-06-25 at 15:35 with return on 2026-07-02.

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