From Heathrow Terminal 1 train to Paddington (H&C Line)-Underground, Tube to London Liverpool St, train to Ipswich, then train to Felixstowe. 2hrs 34min £42. From Heathrow Central Bus Station line 250 bus to Colchester Town Centre, Stanwell Street (Colch Bus Stn), bus to Old Cattle Market Bus Station, then bus to Felixstowe, NatWest Bank. 5hrs 29min £25. From London Heathrow drive to Felixstowe. 1hrs 58min £25.