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

Return flights

03 Dec - 09 Dec	easyJet
01 Dec - 10 Dec	easyJet
03 Dec - 23 Dec	easyJet
08 Dec - 29 Dec	easyJet
05 Dec - 12 Dec	easyJet
11 Dec - 16 Dec	Wizz Air Malta
04 Dec - 12 Dec	easyJet
15 Dec - 31 Dec	Ryanair
03 Dec - 10 Dec	easyJet
01 Dec - 13 Dec	easyJet
23 Dec - 06 Jan	easyJet
26 Dec - 16 Jan	easyJet
27 Dec - 10 Jan	easyJet
26 Dec - 11 Jan	easyJet
09 Dec - 08 Jan	easyJet
27 Dec - 11 Jan	easyJet
23 Dec - 14 Jan	easyJet
29 Dec - 12 Jan	easyJet
26 Dec - 10 Jan	easyJet
26 Dec - 01 Jan	easyJet

Also check the deals for one-way flights from London 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.

Book a cheap hotel in Mexico City

Cheap car rent in Mexico City

Cheapest return flights from London to Mexico City in December from 756€

Return flights