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

Return flights

27 Oct - 07 Nov	Air Canada
16 Oct - 26 Oct	Lufthansa
23 Oct - 02 Nov	Lufthansa
16 Oct - 31 Oct	Lufthansa
27 Oct - 05 Nov	Air Canada
20 Oct - 27 Oct	Air Canada
27 Oct - 03 Nov	Air Canada
02 Oct - 11 Oct	Lufthansa
27 Oct - 07 Nov	British Airways	direct
31 Oct - 12 Nov	British Airways	direct
23 Oct - 01 Nov	Lufthansa
27 Oct - 05 Nov	British Airways	direct
27 Oct - 03 Nov	British Airways	direct
16 Oct - 30 Oct	Lufthansa
15 Oct - 22 Oct	Air Canada
15 Oct - 27 Oct	Air Canada
10 Oct - 19 Oct	Air Canada
09 Oct - 12 Oct	Air Canada
05 Oct - 11 Oct	Avianca
12 Oct - 02 Nov	Air Canada

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 653€

Return flights