Cheapest one-way flights from Seattle to Buenos Aires in March from 564€

AirHint found the following cheapest one-way flights from Seattle (SEA) to Buenos Aires (EZE) in March 2026 (see full year).

One-Way flights

11 Mar LATAM Airlines Group
17 Mar LATAM Airlines Group
26 Mar LATAM Airlines Group
08 Mar LATAM Airlines Group
02 Mar LATAM Airlines Group
05 Mar LATAM Airlines Group
23 Mar LATAM Airlines Group
29 Mar LATAM Airlines Group
20 Mar LATAM Airlines Group
14 Mar LATAM Airlines Group

Also check the deals for return flights from Seattle to Buenos Aires in March.

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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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