AirHint found the following cheapest return flights from London (LHR) to Mexico City (MEX) in October 2026 (see full year).

Return flights

29 Oct - 05 Nov	Avianca
27 Oct - 03 Nov	Avianca
24 Oct - 31 Oct	Avianca
24 Oct - 03 Nov	Avianca
28 Oct - 04 Nov	Air Canada
06 Oct - 20 Oct	Air Canada
05 Oct - 11 Oct	Air Canada
06 Oct - 13 Oct	Air Canada
28 Oct - 07 Nov	Air Canada
07 Oct - 13 Oct	Air Canada
28 Oct - 05 Nov	Air Canada
07 Oct - 13 Oct	British Airways	direct
06 Oct - 20 Oct	British Airways	direct
06 Oct - 13 Oct	British Airways	direct
01 Oct - 08 Oct	Air France
29 Oct - 09 Nov	Air Canada
30 Oct - 08 Nov	Air Canada
01 Oct - 05 Oct	Air Canada
26 Oct - 02 Nov	Air Canada
26 Oct - 03 Nov	SWISS

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 767€

Return flights