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

Return flights

31 Oct - 14 Nov	Ryanair
28 Oct - 01 Nov	Ryanair
30 Oct - 13 Nov	Ryanair
30 Oct - 03 Nov	Ryanair
17 Oct - 24 Oct	Jet2
20 Oct - 01 Nov	Ryanair
21 Oct - 01 Nov	Ryanair
21 Oct - 05 Nov	Ryanair
23 Oct - 02 Nov	Ryanair
28 Oct - 02 Nov	Ryanair
23 Oct - 29 Oct	Ryanair
30 Oct - 04 Nov	Ryanair
18 Oct - 26 Oct	Ryanair
19 Oct - 31 Oct	Ryanair
28 Oct - 30 Oct	Ryanair
23 Oct - 31 Oct	Ryanair
17 Oct - 26 Oct	Ryanair
16 Oct - 23 Oct	Ryanair
21 Oct - 31 Oct	Ryanair
12 Oct - 26 Oct	Ryanair

Also check the deals for one-way flights from London to San Jose 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.

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Cheapest return flights from London to San Jose in October from $878

Return flights