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

Return flights

11 Dec - 20 Dec	easyJet
06 Dec - 18 Dec	easyJet
06 Dec - 20 Dec	easyJet
31 Dec - 17 Jan	easyJet
29 Dec - 15 Jan	easyJet
24 Dec - 03 Jan	easyJet
27 Dec - 17 Jan	easyJet
27 Dec - 10 Jan	easyJet
30 Dec - 17 Jan	easyJet
29 Dec - 10 Jan	easyJet
08 Dec - 16 Dec	easyJet
17 Dec - 03 Jan	easyJet
06 Dec - 17 Dec	easyJet
12 Dec - 28 Dec	easyJet
03 Dec - 23 Dec	easyJet
14 Dec - 10 Jan	easyJet

Also check the deals for one-way flights from Southend 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 Southend to San Jose in December from $1252

Return flights