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

Return flights

09 Apr - 23 Apr	Ryanair
20 Apr - 28 Apr	Ryanair
22 Apr - 03 May	Ryanair
14 Apr - 28 Apr	Ryanair
09 Apr - 07 May	Ryanair
13 Apr - 28 Apr	Ryanair
09 Apr - 01 May	Ryanair
18 Apr - 29 Apr	Wizz Air Malta
08 Apr - 22 Apr	Ryanair
08 Apr - 24 Apr	Ryanair
09 Apr - 18 Apr	Ryanair
20 Apr - 02 May	Wizz Air Malta
09 Apr - 26 Apr	Ryanair
18 Apr - 06 May	Wizz Air Malta
24 Apr - 03 May	Norse Atlantic Airways (UK)
20 Apr - 03 May	Ryanair
22 Apr - 30 Apr	Norse Atlantic Airways (UK)
09 Apr - 06 May	Ryanair
18 Apr - 04 May	Wizz Air Malta
28 Apr - 05 May	Avianca

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 $721

Return flights