Overall Travel Recommendation
To travel from Inverness, United Kingdom to Scotland, TX, the most efficient way is to fly into Houston George Bush Intercontinental Airport (IAH) and then rent a car to reach your destination. Expect approximately 15 hours of travel time, covering around 4,700 miles by air and 150 miles by car.
The total estimated costs for the journey would range between £650 and £930, including flights and car rental. It is advisable to book your flights well in advance to secure the best fare.
Safe travels and enjoy your journey!