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

Return flights

12 May - 20 May	Ryanair
19 May - 26 May	Ryanair
06 May - 14 May	Ryanair
06 May - 21 May	Ryanair
13 May - 27 May	Ryanair
07 May - 14 May	Ryanair
10 May - 22 May	Ryanair
16 May - 04 Jun	Ryanair
13 May - 21 May	easyJet
12 May - 19 May	Ryanair
04 May - 17 May	Ryanair
27 May - 03 Jun	Ryanair
25 May - 03 Jun	easyJet
31 May - 08 Jun	easyJet
16 May - 02 Jun	Ryanair
23 May - 04 Jun	Ryanair
16 May - 03 Jun	Ryanair
30 May - 20 Jun	Ryanair
08 May - 25 Jun	Ryanair
21 May - 04 Jun	Ryanair

Also check the deals for one-way flights from London to San Jose 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 London to San Jose in May from $870

Return flights