To save on the cost of your flight from Alaska to Buenos Aires, book at least 47 days before your planned departure. Booking around this time can save you about 11% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,069 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,069.
September can be a great time to fly to Buenos Aires from Alaska with a flight ticket averaging about $1,037. Cheapflights users have found deals in the month of September for as cheap as $941. The most expensive prices can be found in the month of December.