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

Return flights

08 Oct - 19 Oct	Ryanair
28 Oct - 11 Nov	easyJet
17 Oct - 26 Oct	Ryanair
21 Oct - 28 Oct	Wizz Air UK
27 Oct - 03 Nov	easyJet
29 Oct - 04 Nov	easyJet
30 Oct - 04 Nov	easyJet
27 Oct - 04 Nov	easyJet
16 Oct - 25 Oct	easyJet
24 Oct - 28 Oct	Ryanair
25 Oct - 08 Nov	Ryanair
28 Oct - 01 Nov	easyJet
24 Oct - 07 Nov	easyJet
26 Oct - 01 Nov	easyJet
25 Oct - 07 Nov	easyJet
13 Oct - 20 Oct	easyJet
11 Oct - 22 Oct	easyJet
30 Oct - 30 Oct	easyJet
18 Oct - 31 Oct	easyJet

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 672€

Return flights