Cheapest return flights from Washington to Buenos Aires in March from $700

AirHint found the following cheapest return flights from Washington (DCA) to Buenos Aires (EZE) in March 2026 (see full year).

Return flights

11 Mar - 21 Mar LATAM Airlines Group
06 Mar - 15 Mar LATAM Airlines Group
09 Mar - 14 Mar LATAM Airlines Group
21 Mar - 17 Apr LATAM Airlines Group
07 Mar - 14 Mar LATAM Airlines Group

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

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