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

Return flights

05 Dec - 08 Dec	Ryanair
01 Dec - 15 Dec	Ryanair
05 Dec - 19 Dec	Ryanair
05 Dec - 15 Dec	Ryanair
05 Dec - 12 Dec	Ryanair
10 Dec - 19 Dec	Ryanair
28 Dec - 15 Jan	Ryanair
01 Dec - 12 Dec	Ryanair
15 Dec - 07 Jan	Ryanair
28 Dec - 09 Jan	Ryanair
26 Dec - 09 Jan	Ryanair
15 Dec - 30 Dec	easyJet
28 Dec - 07 Jan	Ryanair
22 Dec - 07 Jan	Ryanair
12 Dec - 02 Jan	Ryanair
26 Dec - 07 Jan	Ryanair
23 Dec - 09 Jan	easyJet
17 Dec - 07 Jan	Ryanair
16 Dec - 29 Dec	Ryanair
12 Dec - 26 Dec	Ryanair

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

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 December from 761€

Return flights