Amtrak has announced its latest flash sale, and it will allow passengers to take a friend for free for a limited time. A press release announcement revealed that on the majority of itineraries, guests who book a Roomette on the train are allowed to bring a traveling companion of their choice for free. For travel between Friday, Nov. 1, 2024, and Friday, Jan. 31, 2025, except blackout dates, make your reservation by Thursday, Oct. 31 at this link, or on the app with code C104.