Cheapest return flights from Washington to Buenos Aires in March from $612

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

Return flights

03 Mar - 10 Mar United
16 Mar - 19 Mar United
03 Mar - 08 Mar United
04 Mar - 08 Mar United
17 Mar - 24 Mar Delta
27 Mar - 27 Apr United
06 Mar - 13 Mar United
05 Mar - 08 Mar United
09 Mar - 15 Mar LATAM Airlines Group
23 Mar - 31 Mar LATAM Airlines Group
27 Mar - 10 Apr LATAM Airlines Group
22 Mar - 29 Mar United
28 Mar - 01 Apr LATAM Airlines Group

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

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