Cheapest one-way flights from London to Buenos Aires in October from $636

AirHint found the following cheapest one-way flights from London (LHR) to Buenos Aires (AEP) in October 2025 (see full year).

One-Way flights

20 Oct Avianca
29 Oct British Airways
09 Oct British Airways
31 Oct Vueling Airlines
19 Oct Vueling Airlines
01 Oct TAP
14 Oct Vueling Airlines
30 Oct TAP
07 Oct Vueling Airlines
06 Oct Vueling Airlines

Also check the deals for return flights from London to Buenos Aires in October.

Skyscanner

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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