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

Return flights

05 Mar - 19 Mar	British Airways	direct
10 Mar - 21 Mar	British Airways	direct
14 Mar - 21 Mar	British Airways	direct
07 Mar - 21 Mar	British Airways	direct
19 Mar - 28 Mar	Vueling Airlines
19 Mar - 26 Mar	British Airways	direct
17 Mar - 28 Mar	British Airways	direct
21 Mar - 28 Mar	British Airways	direct
14 Mar - 28 Mar	British Airways	direct
18 Mar - 25 Mar	Vueling Airlines
26 Mar - 17 Apr	British Airways
28 Mar - 17 Apr	British Airways

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

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 March from $940

Return flights