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

Return flights

05 Apr - 19 Apr	Avianca
14 Apr - 24 Apr	Avianca
15 Apr - 25 Apr	Avianca
15 Apr - 26 Apr	Avianca
13 Apr - 27 Apr	Avianca
28 Apr - 05 May	Avianca
30 Apr - 08 May	Avianca
27 Apr - 04 May	Avianca
14 Apr - 25 Apr	Avianca
06 Apr - 20 Apr	Avianca
11 Apr - 18 Apr	Avianca
16 Apr - 27 Apr	Avianca
20 Apr - 27 Apr	Iberia
21 Apr - 04 May	Iberia
24 Apr - 09 May	Avianca
19 Apr - 04 May	Avianca
19 Apr - 10 May	Avianca
20 Apr - 04 May	Avianca
18 Apr - 05 May	Avianca
18 Apr - 04 May	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 676€

Return flights