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

Return flights

27 Apr - 08 May	Iberia
20 Apr - 27 Apr	Iberia
16 Apr - 21 Apr	Iberia
20 Apr - 06 May	Iberia
29 Apr - 09 May	Iberia
08 Apr - 14 Apr	Avianca
13 Apr - 26 Apr	Avianca
23 Apr - 29 Apr	Avianca
14 Apr - 30 Apr	Avianca
13 Apr - 20 Apr	Avianca
13 Apr - 30 Apr	Avianca
13 Apr - 23 Apr	Avianca
25 Apr - 09 May	Avianca
26 Apr - 02 May	Avianca
24 Apr - 03 May	Avianca
15 Apr - 31 May	Avianca
16 Apr - 31 May	Avianca
18 Apr - 31 May	Avianca
18 Apr - 29 May	Avianca
15 Apr - 26 Apr	Avianca

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

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 April from 637€

Return flights