Cheapest return SJO–LHR flights, May

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

Return flights

04 May - 11 May Air France
04 May - 13 May Air France
06 May - 11 May KLM
06 May - 14 May KLM
05 May - 14 May Air France
07 May - 14 May KLM
04 May - 14 May KLM
11 May - 29 May Air France
06 May - 10 May Air France
13 May - 18 May Air France
31 May - 07 Jun KLM
29 May - 02 Jun Air Canada
25 May - 21 Jun Lufthansa
27 May - 02 Jun Air France

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