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

Return flights

15 May - 18 May	Lufthansa
11 May - 18 May	Lufthansa
04 May - 10 May	Lufthansa
05 May - 25 May	KLM
07 May - 20 May	Lufthansa
05 May - 10 May	Lufthansa
07 May - 10 May	Lufthansa
01 May - 10 May	Lufthansa
04 May - 25 May	Lufthansa
06 May - 26 May	Lufthansa
10 May - 01 Jun	Lufthansa
21 May - 01 Jun	Lufthansa
28 May - 01 Jun	Lufthansa
27 May - 01 Jun	Lufthansa
04 May - 09 Jun	Lufthansa
05 May - 09 Jun	Lufthansa
28 May - 08 Jun	KLM
10 May - 10 Jun	Lufthansa
29 May - 10 Jun	Lufthansa
28 May - 10 Jun	Lufthansa

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.

Book a cheap hotel in Mexico City

Cheap car rent in Mexico City

Cheapest return flights from London to Mexico City in May from $775

Return flights