United: Seattle – San Juan, Puerto Rico. $335. Roundtrip, including all Taxes

We published this fare from San Francisco a few days ago, now United has made it available from Seattle.

San Juan, Puerto Rico Photo: apium, used under Creative Commons License (By 2.0)

Sample Date:

  • April 18th – 25th. Valid for from April 11th – June 20th for Monday through Thursday departures. Use ITA Software Matrix Airfare Search and flexible month search to see availability. Must purchase by April 2nd


  • SEA – IAD (Washington D.C.) – SJU (San Juan) – IAD – SEA


  • 7,758 miles or 4.3 cents per mile



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