Cheapest return flights from Bilbao to Asuncion in December from $1669

AirHint found the following cheapest return flights from Bilbao (BIO) to Asuncion (ASU) in December 2025 (see full year).

Return flights

25 Dec - 29 Dec Iberia
27 Dec - 18 Jan Air Europa
21 Dec - 13 Jan Iberia
24 Dec - 28 Dec Air Europa
13 Dec - 20 Dec Air Europa
16 Dec - 30 Dec Air Europa
17 Dec - 17 Jan Wizz Air Malta
19 Dec - 26 Dec Wizz Air Malta
25 Dec - 04 Jan Iberia
20 Dec - 04 Jan Air Europa

Also check the deals for one-way flights from Bilbao to Asuncion in December.

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