Cheap Train tickets to Fishguard

What are the most popular routes to Fishguard?

Cardiff - FishguardAverage priceNOK 271Average duration2h 40mDaily departures10
Swansea - FishguardAverage priceNOK 169Average duration1h 43mDaily departures10
Carmarthen - FishguardAverage priceNOK 155Average duration49mDaily departures10