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

Return flights

29 May - 19 Jun	Volaris Costa Rica
27 May - 17 Jun	Volaris Costa Rica
25 May - 15 Jun	Air Transat
26 May - 23 Jun	Iberojet
25 May - 19 Jun	Air Transat
06 May - 17 May	Air Europa
16 May - 26 May	Iberojet
08 May - 11 May	Iberia
08 May - 10 May	Iberia
22 May - 25 May	Iberia
01 May - 18 May	Iberia

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

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 San Jose to London in May from 723€

Return flights