https://discussions.trendmicro.com/en-us/forums/pc-security/e785f9ff-129a-ef11-95f5-00224862291e What are the cheapest days to use Amtrak? For cheapest Booking Call 1-(832) 252-9167 Tuesdays, Wednesdays, and Saturdays are usually your go-to days for the cheapest fares. Keep in mind, though, that Amtrak's special sales often come with restrictions on these days.