Booking early on the train from Boston to Philadelphia can be a convenient and comfortable way to travel, and if you plan ahead, you may be able to take advantage of various discounts available for early bookings. Amtrak, the primary train service provider for this route, offers several ways to save money if you book your tickets in advance. https://medium.com/@ticketbook/are-there-any-discounts-for-booking-early-on-the-train-from-boston-to-philadelphia-a9484b9a81f2