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

Return flights

09 Apr - 14 Apr	Ryanair
27 Apr - 10 May	Ryanair
15 Apr - 22 Apr	Ryanair
12 Apr - 26 Apr	Ryanair
13 Apr - 17 Apr	Ryanair
13 Apr - 20 Apr	Ryanair
13 Apr - 19 Apr	Ryanair
13 Apr - 27 Apr	Ryanair
18 Apr - 29 Apr	Ryanair
02 Apr - 13 Apr	Ryanair
17 Apr - 02 May	Ryanair
16 Apr - 25 Apr	Ryanair
24 Apr - 02 May	Ryanair
20 Apr - 05 May	Ryanair
24 Apr - 09 May	Ryanair
20 Apr - 03 May	Ryanair
24 Apr - 10 May	Ryanair
17 Apr - 01 May	Ryanair
22 Apr - 08 May	Ryanair

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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Cheapest return flights from London to San Jose in April from 534€

Return flights