Amtrak discounts select 1-Way Northeast Regional Fares, with prices starting at $11. This price is based on fares departing from Boston (BOS) with arrival in Providence, RI, (PVD) on June 12. Blackout dates apply and a 2-week advance purchase is required. This travel deal for travel through January 31, 2017. Other notable 1-way fares:

• Washington D.C. (WAS) to Baltimore (BWI) from $11
• New York (NYP) to Newark, NJ (NWK) from $23
• see all available Amtrak 1-way fares