AirHint found the following cheapest return flights from Southend (SEN) to San Jose (SJO) in January 2026 (see full year).

Return flights

29 Jan - 26 Feb	easyJet
22 Jan - 04 Feb	easyJet
18 Jan - 04 Feb	easyJet
30 Jan - 07 Feb	easyJet
30 Jan - 12 Feb	easyJet
23 Jan - 31 Jan	easyJet
19 Jan - 31 Jan	easyJet
16 Jan - 01 Feb	easyJet
12 Jan - 24 Jan	easyJet
11 Jan - 24 Jan	easyJet
04 Jan - 17 Jan	easyJet
05 Jan - 17 Jan	easyJet
02 Jan - 07 Jan	easyJet
02 Jan - 18 Jan	easyJet
30 Jan - 11 Feb	easyJet
03 Jan - 18 Jan	easyJet
01 Jan - 07 Jan	easyJet

Also check the deals for one-way flights from Southend to San Jose in January.

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 January from 946€

Return flights