AirHint found the following cheapest return flights from London (LGW) to Buenos Aires (AEP) in October 2025 (see full year).

Return flights

10 Oct - 14 Oct	easyJet
08 Oct - 18 Oct	Air Europa
17 Oct - 01 Nov	easyJet
30 Oct - 06 Nov	Vueling Airlines
06 Oct - 21 Oct	Vueling Airlines
01 Oct - 15 Oct	Vueling Airlines
30 Oct - 17 Nov	Vueling Airlines
30 Oct - 16 Nov	Vueling Airlines
03 Oct - 17 Oct	Vueling Airlines
31 Oct - 08 Nov	Vueling Airlines
14 Oct - 21 Oct	Vueling Airlines
31 Oct - 03 Nov	Vueling Airlines
09 Oct - 23 Oct	Vueling Airlines
12 Oct - 28 Oct	Vueling Airlines
11 Oct - 24 Oct	Vueling Airlines
01 Oct - 10 Oct	Vueling Airlines
29 Oct - 16 Nov	Vueling Airlines
24 Oct - 09 Nov	Vueling Airlines
23 Oct - 01 Nov	Vueling Airlines

Also check the deals for one-way flights from London to Buenos Aires in October.

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 Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from London to Buenos Aires in October from $1186

Return flights