AirHint found the following cheapest return flights from London (LON) to San Jose (SJO) in January 2027 (see full year).

Return flights

14 Jan - 23 Jan	Air Canada
07 Jan - 23 Jan	Air Canada
09 Jan - 23 Jan	Air Canada
07 Jan - 21 Jan	Air Canada
09 Jan - 19 Jan	Air Canada
04 Jan - 19 Jan	Air Canada
07 Jan - 21 Jan	British Airways	direct
19 Jan - 27 Jan	British Airways
20 Jan - 25 Jan	Air France
05 Jan - 15 Jan	Air Canada

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

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 January from $822

Return flights