There are 2 train companies operating 3 routes - 135 (GW), ECML, 125 (GW). The cheapest train costs $64 and is 4h 38min.
There are 3 ways to travel from Swindon to Boston. 4 buses, 2 trains and 1 by car are possible between the two areas. The by car from Swindon to Boston is the cheapest. The by car from Swindon to Boston is the fastest. The train operated by running from Swindon to Grantham is the most convenient.