AirHint found the following cheapest return flights from Rijeka (RJK) to London (STN) in October 2025 (see full year).

Return flights

07 Oct - 14 Oct	Croatia Airlines
09 Oct - 16 Oct	Croatia Airlines
16 Oct - 23 Oct	Croatia Airlines
14 Oct - 21 Oct	Croatia Airlines
04 Oct - 11 Oct	Eurowings
18 Oct - 25 Oct	Eurowings
02 Oct - 09 Oct	Croatia Airlines
25 Oct - 01 Nov	Lufthansa
11 Oct - 18 Oct	Lufthansa
26 Oct - 02 Nov	Croatia Airlines
28 Oct - 04 Nov	Croatia Airlines
21 Oct - 28 Oct	Croatia Airlines
05 Oct - 12 Oct	Lufthansa

Also check the deals for one-way flights from Rijeka to London in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Rijeka to London in October from $333

Return flights