AirHint found the following cheapest return flights from Montevideo (MVD) to London (LHR) in September 2025 (see full year).

Return flights

08 Sep - 15 Sep	Air France
02 Sep - 09 Sep	Avianca
23 Sep - 30 Sep	Avianca
01 Sep - 16 Sep	Avianca
06 Sep - 12 Sep	LATAM Airlines Group
15 Sep - 01 Oct	LATAM Airlines Group
15 Sep - 28 Sep	Avianca
19 Sep - 28 Sep	LATAM Airlines Group
15 Sep - 27 Sep	LATAM Airlines Group

Also check the deals for one-way flights from Montevideo to London in September.

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 Montevideo to London in September from 1125€

Return flights