From Baltimore, Maryland to Pamplona through New York and Madrid has a transit time of 16:50.
The return flight from Santiago to Baltimore through Madrid and New York is 16:59 ($1,041 fare to the multiple cities).
Paris to Bayonne is about five hours (65E) after about a 13 hour flight ($1,311 round trip), and I would have to get back to Paris from Santiago.
Getting from Pamplona or Bayonne to SJPdP is approximately equal for time, though the bus is a bit more expensive at 20E.
From Alaska Paris may be a better bet, but it is a long way from SJPdP!