Cheapest return flights from Washington to Buenos Aires in April from $778

Best time to book flights for Washington (DCA) to Buenos Aires (AEP) flights at AirHint

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

Return flights

01 Apr - 07 Apr LATAM Airlines Group
17 Apr - 16 May LATAM Airlines Group
26 Apr - 10 May LATAM Airlines Group
24 Apr - 08 May LATAM Airlines Group
13 Apr - 19 Apr LATAM Airlines Group
08 Apr - 19 Apr LATAM Airlines Group
11 Apr - 20 Apr LATAM Airlines Group
26 Apr - 03 May Delta
13 Apr - 22 Apr LATAM Airlines Group
12 Apr - 18 Apr LATAM Airlines Group
18 Apr - 16 May LATAM Airlines Group
18 Apr - 29 Apr Delta
18 Apr - 01 May Delta
19 Apr - 16 May LATAM Airlines Group
19 Apr - 17 May LATAM Airlines Group
18 Apr - 17 May GOL Linhas Aéreas
24 Apr - 28 Apr LATAM Airlines Group
17 Apr - 21 Apr LATAM Airlines Group

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

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