Cheapest one-way flights from London to Buenos Aires in October from 553€

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

One-Way flights

01 Oct British Airways
07 Oct British Airways
13 Oct British Airways
06 Oct British Airways
30 Oct British Airways
21 Oct British Airways
24 Oct British Airways
16 Oct British Airways
17 Oct British Airways
12 Oct TAP

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Feel free to contact us with any feedback or request another flight research.