Cheapest return flights from Kansas City to Buenos Aires in December from 773€

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

Return flights

31 Dec - 31 Jan Frontier Airlines
07 Dec - 14 Dec Frontier Airlines

Also check the deals for one-way flights from Kansas City 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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