Quickest 3h 4min
There are 4 buses3 train companies operating 5 routes - 975, IC62, RJ63, IC60, EC62 from Sonthofen to Heilbronn. The cheapest train costs $41 and is 3h 34min.
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There are 3 ways to travel from Sonthofen to Heilbronn. 4 buses, 1 train and 1 by car are possible between the two areas. The by car from Sonthofen to Heilbronn is the cheapest. The by car from Sonthofen to Heilbronn is the fastest. The train operated by running from Immenstadt im Allgäu to Vaihingen an der Enz is the most convenient.
It's important to check each mode when booking your ticket so that you can find the best method for you. The cost of each type varies differently, so be sure to use Faretrotter to keep an eye out!