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

Return flights

12 May - 19 May	American Airlines
04 May - 18 May	Virgin Atlantic
04 May - 19 May	Air France
11 May - 18 May	Virgin Atlantic
06 May - 14 May	Air France
04 May - 14 May	Air France
02 May - 12 May	Lufthansa
02 May - 13 May	Lufthansa
05 May - 25 May	Virgin Atlantic
01 May - 05 May	Air Canada
20 May - 02 Jun	Air France
26 May - 09 Jun	British Airways
26 May - 02 Jun	British Airways
25 May - 22 Jun	Lufthansa
22 May - 01 Jun	Virgin Atlantic
27 May - 03 Jun	United
27 May - 17 Jun	Lufthansa
22 May - 05 Jun	Virgin Atlantic
22 May - 05 Jun	Aeromexico	direct
26 May - 08 Jun	Aeromexico

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

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 May from $694

Return flights