Cheapest one-way flights from Seattle to Buenos Aires in January from $375

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

AirHint found the following cheapest one-way flights from Seattle (SEA) to Buenos Aires (EZE) in January 2025 (see full year).

One-Way flights

19 Jan Frontier Airlines

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

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