AirHint found the following cheapest return flights from Bogota (BOG) to Asuncion (ASU) in September 2025 (see full year).

Return flights

20 Sep - 01 Oct	Copa
27 Sep - 01 Oct	Copa
20 Sep - 26 Sep	Copa
25 Sep - 11 Oct	Copa
20 Sep - 21 Sep	Copa
30 Sep - 03 Oct	LATAM Airlines Group
30 Sep - 04 Oct	LATAM Airlines Group
23 Sep - 28 Sep	Wingo
30 Sep - 05 Oct	LATAM Airlines Group
26 Sep - 30 Sep	Copa
25 Sep - 30 Sep	Copa
19 Sep - 30 Sep	Copa
21 Sep - 28 Sep	Wingo
27 Sep - 30 Sep	Copa
22 Sep - 29 Sep	Copa
23 Sep - 30 Sep	Wingo
20 Sep - 01 Oct	Avianca	direct

Also check the deals for one-way flights from Bogota to Asuncion 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 Bogota to Asuncion in September from $391

Return flights