Cheap flights from Seattle (SEA) to South America from $135

To save on the cost of your flight from Seattle to South America, book at least 61 days before your planned departure. Booking around this time can save you about 5% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,447 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,447.

March is one of the best times of the year to fly to South America from Seattle. Prices for March average $1,394 per person but you can even find prices for as low as $943. The most expensive prices can be found in the month of June. Opting for a March flight can save you 52% on your journey compared to booking in June

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to South America as you normally would.

Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to South America.

Yes, there are multiple flights from Seattle to South America for under $500. The cheapest flight booked recently is on Multiple Airlines for just $427, but on average you can expect to pay $451.

There are currently 20+ open flights from Seattle to South America within the next 7 days for less than $500.

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $182. Delta flights start at $199 while deals on American Airlines start at $200 one-way.

While some choose either Seattle/Tacoma Intl - Santiago Arturo Merino Benitez or Seattle/Tacoma Intl - Buenos Aires Ministro Pistarini, Seattle/Tacoma Intl - Lima J Chavez Intl is the most popular route from Seattle to South America.

When booking a flight from Seattle to South America, you may want to consider flying on American Airlines, Aeromexico or Copa Airlines as they are the most popular for this route.

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Bogotá El Dorado Airport flight would often be abbreviated as a SEA to BOG flight. Lima J Chavez Intl Airport (LIM), Sao Paulo Guarulhos Intl Airport (GRU), Santiago Arturo Merino Benitez Airport (SCL), Medellín Jose Maria Cordova Intl Airport (MDE), Quito Mariscal Sucr Airport (UIO) are other airports near this flight route and their unique identifiers/IATA codes.

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Yes, Cheapflights does offer price alerts on Seattle to South America flights so you can book your travels when it’s right. The Price Alert feature is available after a flight search is performed above.