South West Trains are currently running a promo offering £15 day returns. Link is in the promotional text below: Get out and about with our Spring Fan Fare! £15 off-peak day returns to over 170 destinations, any Tuesday to Saturday from 24 February to 4 April. Kids go for just £7! Celebrate the first signs of Spring! Plan your trip at least a day in advance, to London, the coast, the country - as a couple, with the kids or a few of your friends. Make the most of Spring and book your tickets today!