To direct the Administrator of the Federal Aviation Administration to prescribe regulations establishing minimum standards for space for passengers on passenger aircraft, and for other purposes.

Seat Egress in Air Travel Act of 2017 or the SEAT Act of 2017 This bill directs the Federal Aviation Administration to prescribe regulations: establishing minimum standards for space on passenger aircraft, including the size, width, and pitch of seats, the amount of leg room, and the width of aisles on such aircraft for the safety and health of passengers; and requiring each air carrier to prominently display on its website the amount of space available for each passenger on aircraft it operates.