Get £5 off any train ticket over £20 when you book through thetrainline.com via travel comparison site travelsupermarket.com.
Just visit travelsupermarket's promotional webpage, click on 'Go to site', choose your tickets and enter your details. The £5 discount won't be shown until you reach the 'payment' page towards the end of the booking process; it'll finally be displayed, before you pay, as 'Ttl Travel Supermarket Promo'.
You'll need to go through travelsupermarket.com to get the discount, which applies to bookings made until Sunday 8 March for travel up to three months in advance. Thetrainline.com sells tickets to destinations across the UK from a variety of train companies. It's worth noting that thetrainline.com charges a £1 booking fee, but you'll still making a decent saving with the discount.
Coaches
Coach operator National Express is offering 40,000 one-way coach seats from £1 through its funfare promotion. The offer applies to certain promotional routes across the UK so check this first; to book, go to the National Express website. Once you've selected your dates and destination, any available £1 seats will be displayed.
The offer isn't available for travel to or from airports, and only applies to promotional tickets booked before Wednesday 25 March. It's worth noting that there's a booking fee of 50p, and that the £1 seats are likely to go quickly; tickets are also non refundable, so be sure to check your dates before you buy.
(Many thanks to those kind people at www.moneysavingexpert.com whose article this was edited from. If you haven't already sign up to their weekly newsletter, 50% off Pizza Hut offer and other saving tips online now.)