Cheapest return flights from Washington to Buenos Aires in December from 726€

AirHint found the following cheapest return flights from Washington (DCA) to Buenos Aires (EZE) in December 2025 (see full year).

Return flights

04 Dec - 14 Dec Delta
23 Dec - 08 Jan Delta
21 Dec - 08 Jan LATAM Airlines Group
17 Dec - 02 Jan LATAM Airlines Group
19 Dec - 27 Dec Delta

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

Skyscanner

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Feel free to contact us with any feedback or request another flight research.