AirHint found the following cheapest return flights from Manchester (MAN) to San Jose (SJO) in December 2025 (see full year).

Return flights

08 Dec - 23 Dec	KLM
02 Dec - 17 Dec	SWISS
10 Dec - 23 Dec	KLM
04 Dec - 15 Dec	SWISS
04 Dec - 16 Dec	Aer Lingus
05 Dec - 15 Dec	SWISS
06 Dec - 16 Dec	Aer Lingus
08 Dec - 15 Dec	Air France
13 Dec - 31 Jan	Ryanair
04 Dec - 14 Dec	Ryanair
03 Dec - 16 Dec	British Airways
31 Dec - 11 Jan	Ryanair
28 Dec - 23 Jan	easyJet
27 Dec - 08 Jan	Ryanair
27 Dec - 11 Jan	Ryanair
26 Dec - 11 Jan	Ryanair
26 Dec - 10 Jan	Air France
27 Dec - 03 Jan	KLM
26 Dec - 03 Jan	KLM
17 Dec - 01 Jan	Ryanair

Also check the deals for one-way flights from Manchester 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 Manchester to San Jose in December from 645€

Return flights