This is the cheapest we have seen San Francisco to Puerto Rico since we launch the site and it is good until December. Plan those Caribbean getaways.
- January 20th – 25th. Valid for travel until December 1st with a Sunday night stay require. Use ITA Software Matrix Airfare Search and flexible month search to see availability. Must purchase 14 days advance of departure
- SFO – PHL (Philadelphia) – SJU (San Juan) – PHL – SFO
- 7,249 miles or 4.4 cents per mile
- Use dates found on ITA Software Matrix Airfare Search and book USAirways.com
- US Airways’ cancellation policy here