Cheapest return flights from Pittsburgh to Buenos Aires in December from 957€

AirHint found the following cheapest return flights from Pittsburgh (PIT) to Buenos Aires (AEP) in December 2025 (see full year).

Return flights

30 Dec - 12 Jan Spirit Airlines
15 Dec - 07 Jan Spirit Airlines
29 Dec - 10 Jan Frontier Airlines
30 Dec - 06 Jan Allegiant Air
30 Dec - 11 Jan Spirit Airlines
29 Dec - 11 Jan Spirit Airlines
28 Dec - 10 Jan Spirit Airlines

Also check the deals for one-way flights from Pittsburgh to Buenos Aires in December.

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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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