Cheapest return flights from Seattle to Buenos Aires in May from $1114

Best time to book flights for Seattle (SEA) to Buenos Aires (AEP) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Buenos Aires (AEP) in May 2025 (see full year).

Return flights

05 May - 09 May Spirit Airlines

Also check the deals for one-way flights from Seattle to Buenos Aires in May.

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.

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