Cheapest return flights from Washington to Buenos Aires in February from $740

AirHint found the following cheapest return flights from Washington (IAD) to Buenos Aires (AEP) in February 2026 (see full year).

Return flights

20 Feb - 01 Mar LATAM Airlines Group
20 Feb - 04 Mar LATAM Airlines Group
20 Feb - 23 Feb LATAM Airlines Group
13 Feb - 09 Mar Avianca
25 Feb - 02 Mar Avianca
11 Feb - 21 Feb Avianca
02 Feb - 09 Feb Avianca
06 Feb - 09 Feb Avianca

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

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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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