AirHint found the following cheapest return flights from London (LON) to San Jose (SJO) in October 2026 (see full year).

Return flights

29 Oct - 14 Nov	Air Canada
20 Oct - 30 Oct	Air Canada
30 Oct - 15 Nov	Air Canada
28 Oct - 12 Nov	Air Canada
27 Oct - 05 Nov	British Airways	direct
27 Oct - 17 Nov	British Airways	direct
24 Oct - 07 Nov	Wizz Air UK
29 Oct - 14 Nov	British Airways	direct
10 Oct - 24 Oct	Air Canada
24 Oct - 02 Nov	Air Canada
31 Oct - 14 Nov	Air Canada
15 Oct - 31 Oct	Air Canada
02 Oct - 17 Oct	Air Canada
01 Oct - 15 Oct	Air Canada
31 Oct - 07 Nov	Air Canada
02 Oct - 14 Oct	Air Canada
01 Oct - 18 Oct	Air Canada
09 Oct - 23 Oct	Air Canada
06 Oct - 20 Oct	United
09 Oct - 24 Oct	United

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 $822

Return flights