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

Return flights

20 Apr - 30 Apr	Ryanair
11 Apr - 02 May	Ryanair
22 Apr - 02 May	Ryanair
11 Apr - 25 Apr	Ryanair
13 Apr - 24 Apr	Ryanair
06 Apr - 13 Apr	Ryanair
07 Apr - 14 Apr	Ryanair
01 Apr - 30 Apr	Ryanair
24 Apr - 08 May	Turkish Airlines
11 Apr - 21 Apr	Ryanair
25 Apr - 02 May	Ryanair
02 Apr - 15 Apr	Ryanair
23 Apr - 02 May	Ryanair
18 Apr - 01 May	Ryanair
08 Apr - 22 Apr	Ryanair
01 Apr - 08 Apr	Ryanair
27 Apr - 09 May	Ryanair
20 Apr - 10 May	Ryanair
18 Apr - 06 May	Turkish Airlines

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

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 April from 826€

Return flights