From Chertsey train to Feltham Station Victoria Rd, line 90 bus to Hatton Cross Underground Station, then Tube to Heathrow Terminal 5 Underground Station. 38 min £11. From Chertsey, Guildford Street (Curfew Bell Road) bus to Elmsleigh Bus Station then line 8 bus to Heathrow Airport Terminal 5, Heathrow Terminal 5. 39 min £8. From Chertsey taxi to Heathrow Terminal 5 Station. 13 min £38. From Chertsey drive to Heathrow Terminal 5 Station. 13 min £1.