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

Return flights

04 Mar - 15 Mar	Ryanair
06 Mar - 17 Mar	Ryanair
06 Mar - 16 Mar	Ryanair
02 Mar - 16 Mar	Ryanair
04 Mar - 11 Mar	Ryanair
14 Mar - 22 Mar	Ryanair
08 Mar - 17 Mar	Ryanair
30 Mar - 13 Apr	Ryanair
14 Mar - 24 Mar	Ryanair
05 Mar - 17 Mar	Ryanair
02 Mar - 15 Mar	Ryanair
25 Mar - 13 Apr	easyJet
24 Mar - 09 Apr	Ryanair
17 Mar - 09 Apr	Ryanair
25 Mar - 08 Apr	Ryanair
19 Mar - 02 Apr	Ryanair
30 Mar - 08 Apr	Ryanair
25 Mar - 09 Apr	Ryanair
27 Mar - 11 Apr	Ryanair
28 Mar - 11 Apr	Ryanair

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

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 March from $736

Return flights