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

Return flights

06 Oct - 20 Oct	Ryanair
01 Oct - 15 Oct	Ryanair
01 Oct - 16 Oct	Ryanair
03 Oct - 15 Oct	Ryanair
04 Oct - 19 Oct	Ryanair
03 Oct - 12 Oct	Ryanair
10 Oct - 19 Oct	Ryanair
13 Oct - 19 Oct	Ryanair
23 Oct - 10 Nov	Ryanair
23 Oct - 11 Nov	Ryanair
17 Oct - 24 Oct	Ryanair
06 Oct - 12 Oct	Ryanair
23 Oct - 09 Nov	Ryanair
23 Oct - 08 Nov	Ryanair
24 Oct - 03 Nov	Ryanair
24 Oct - 07 Nov	Ryanair
29 Oct - 05 Nov	Emirates
30 Oct - 06 Nov	Emirates
28 Oct - 04 Nov	Emirates
28 Oct - 06 Nov	Emirates

Also check the deals for one-way flights from London to Mexico City in October.

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 London to Mexico City in October from $743

Return flights