Major carriers connecting George Bush Intercontinental Airport (IAH) and Lynden Pindling International Airport (NAS) include United, American, and Delta via their respective hub networks, with seasonal or partner-operated nonstop services sometimes available. United often routes through hubs like Newark and Chicago, American commonly connects via Miami (MIA) or Charlotte (CLT), and Delta offers flights through Atlanta (ATL) or direct seasonal services from select cities. Evaluate each airline based on flight times, baggage fees, loyalty benefits, and seat selection to determine the best option for your January trip. Use the carriers' bundled offers or partner codeshares to find the most convenient Houston to Nassau itinerary.