c2c operates a train from Euston Station to Southend-on-Sea every 20 minutes. Tickets cost $11 - $16 and the journey takes 44 min.
How to get from Euston Station to Southend-on-Sea
From Euston Station walk to Euston Square Underground Station, Tube to West Ham, then train to Southend Central. 1 h 27 min £13. From Euston Station line 205 bus to London Liverpool Street then train to Southend Victoria. 1 h 41 min £19. From Euston Station taxi to Southend-on-Sea. 1 h 1 min £183. From Euston Station drive to Southend-on-Sea. 1 h 1 min £8.