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

Return flights

02 Dec - 09 Dec	Wizz Air UK
03 Dec - 17 Dec	Wizz Air UK
11 Dec - 18 Dec	Wizz Air UK
14 Dec - 23 Dec	Wizz Air UK
05 Dec - 15 Dec	Wizz Air Malta
01 Dec - 06 Dec	easyJet
04 Dec - 01 Jan	Wizz Air UK
10 Dec - 17 Dec	Wizz Air Malta
13 Dec - 29 Dec	Wizz Air UK
15 Dec - 31 Dec	Wizz Air Malta
10 Dec - 26 Dec	Wizz Air Malta
31 Dec - 09 Jan	easyJet
21 Dec - 05 Jan	Wizz Air Malta
29 Dec - 07 Jan	easyJet
27 Dec - 10 Jan	easyJet
26 Dec - 07 Jan	easyJet
24 Dec - 02 Jan	easyJet
22 Dec - 05 Jan	easyJet
26 Dec - 05 Jan	easyJet
12 Dec - 03 Jan	easyJet

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 1036€

Return flights