Cheapest return flights from London to San Jose in May from 750€

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
28 May - 11 Jun SWISS
27 May - 07 Jun KLM
12 May - 21 May Iberia
06 May - 23 May KLM
21 May - 07 Jun KLM
03 May - 14 Jun KLM
28 May - 08 Jun KLM
14 May - 23 May KLM
04 May - 23 May KLM
03 May - 23 May KLM
06 May - 25 May Iberia
19 May - 25 May Iberia
28 May - 04 Jun SWISS
21 May - 26 May SWISS
13 May - 26 May SWISS
20 May - 04 Jun SWISS
06 May - 26 May SWISS
20 May - 03 Jun SWISS
31 May - 14 Jun 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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