AirHint found the following cheapest return flights from Southend (SEN) to Mexico City (MEX) in December 2025 (see full year).

Return flights

11 Dec - 26 Jan	easyJet
03 Dec - 10 Dec	easyJet
16 Dec - 26 Jan	easyJet
11 Dec - 25 Dec	easyJet
24 Dec - 31 Dec	easyJet
01 Dec - 07 Dec	easyJet
04 Dec - 10 Dec	easyJet
31 Dec - 15 Jan	easyJet
23 Dec - 30 Dec	easyJet
13 Dec - 30 Dec	easyJet
24 Dec - 01 Jan	easyJet
16 Dec - 03 Jan	easyJet
09 Dec - 29 Dec	easyJet
08 Dec - 25 Dec	easyJet
05 Dec - 14 Dec	easyJet
28 Dec - 24 Jan	easyJet
28 Dec - 17 Jan	easyJet
19 Dec - 26 Jan	easyJet
27 Dec - 18 Jan	easyJet
16 Dec - 01 Jan	easyJet

Also check the deals for one-way flights from Southend to Mexico City 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 Mexico City in December from 837€

Return flights