Cheapest return LCY–SJO flights, May

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

Return flights

26 May - 09 Jun KLM
26 May - 15 Jun KLM
25 May - 07 Jun KLM
26 May - 02 Jun KLM
25 May - 02 Jun KLM
24 May - 07 Jun KLM
28 May - 14 Jun KLM
28 May - 03 Jun KLM
25 May - 04 Jun KLM
27 May - 03 Jun KLM
21 May - 26 May KLM
21 May - 27 May SWISS
25 May - 31 May KLM
27 May - 31 May KLM
24 May - 28 May KLM
23 May - 31 May KLM
21 May - 25 May KLM
22 May - 23 May KLM
23 May - 30 May KLM
24 May - 31 May KLM

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

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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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