In the sun - need a voucher Im afraid though. I did do it a while back and they didnt ask for 1 however, its risky.
Foot passenger day trip*
Travel as a foot passenger from Dover to Calais for just £1 Sunday-Thursday and £5 on Fridays and Saturdays. Just depart after 6.30am and return before 9pm the same day.
Afternoon trip for £15*
Depart any time after midday and return before midnight the same day, with your car and up to 9 people when booked online only. Dover-Calais.
Day trip from £19*
Depart any time and return before midnight the same day, with your car and up to 9 people from Dover to Calais for just £19. A £6 supplement applies to Saturday travel.
A supplement of £5 applies to travel from 26 August to 3rd September 2006 for all vehicle bookings.
Remember to cut out the vouchers from the newspaper for some great onboard offers, including a FREE bottle of wine with every booking!
Book by 29 September and travel by 30 September 2007.