Cheapest one-way flights from Belfast to Buenos Aires in September from $997

AirHint found the following cheapest one-way flights from Belfast (BFS) to Buenos Aires (EZE) in September 2025 (see full year).

One-Way flights

24 Sep British Airways
11 Sep British Airways
07 Sep British Airways
04 Sep British Airways
22 Sep British Airways
05 Sep British Airways
01 Sep British Airways
17 Sep British Airways
06 Sep British Airways
02 Sep British Airways

Also check the deals for return flights from Belfast to Buenos Aires in September.

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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