A coach journey from London to Edinburgh (typically operated by National Express or FlixBus) generally takes between 8.5 to 11 hours, depending on the time of day and the number of stops. The "express" services, such as the National Express 594, often run overnight, leaving London Victoria around 9:30 PM and arriving in Edinburgh by 7:30 AM the next morning. These overnight trips are usually the fastest as they avoid daytime traffic. If you take a daytime coach, the trip can easily stretch toward 12 hours due to congestion on the M1 and M6 motorways and mandatory rest stops for the driver. While significantly slower than the 4.5-hour train journey, the coach is often the most budget-friendly option, with fares sometimes as low as £20–£40 when booked in advance. Most modern coaches on this route feature Wi-Fi, power outlets, and on-board toilets, making the long journey relatively comfortable for the cost-conscious traveler.