Find a great deal and save up to 11% by booking at least 47 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Seattle to Argentina within the next two weeks, with the cheapest ticket starting at $1,069.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Argentina. Flights to Argentina from Seattle in September are about $1,037 on average during September, but can be found for as low as $941.