AirHint found the following cheapest return flights from Panama City (PTY) to Buenos Aires (EZE) in September 2025 (see full year).

Return flights

12 Sep - 22 Sep	Avianca
19 Sep - 24 Sep	Avianca
08 Sep - 28 Sep	Avianca
16 Sep - 25 Sep	Avianca
01 Sep - 06 Sep	Avianca
19 Sep - 26 Sep	Avianca
12 Sep - 20 Sep	Avianca
17 Sep - 24 Sep	Avianca
03 Sep - 03 Oct	Avianca
11 Sep - 14 Sep	Avianca
03 Sep - 08 Sep	Avianca
25 Sep - 01 Oct	Copa	direct
03 Sep - 03 Oct	Copa	direct

Also check the deals for one-way flights from Panama City to Buenos Aires 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 Panama City to Buenos Aires in September from 580€

Return flights