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

Return flights

11 Apr - 26 Apr	Air Canada
15 Apr - 06 May	Air Canada
22 Apr - 05 May	Air Canada
17 Apr - 02 May	Air Canada
17 Apr - 03 May	Air Canada
18 Apr - 02 May	Air Canada
14 Apr - 30 Apr	Air Canada
07 Apr - 22 Apr	Air Canada
07 Apr - 05 May	Air Canada
13 Apr - 27 Apr	United
13 Apr - 20 Apr	United
21 Apr - 27 Apr	Air Canada
23 Apr - 29 Apr	Air Canada
24 Apr - 30 Apr	Air Canada
10 Apr - 18 Apr	Air Canada
10 Apr - 14 Apr	Air Canada
07 Apr - 05 May	British Airways	direct
20 Apr - 10 May	Delta
17 Apr - 02 May	British Airways	direct
17 Apr - 03 May	British Airways	direct

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 $789

Return flights