A Brit flew to Spain and bought a pint for less than £15 - cheaper than the cost of a box of lager at the supermarket.Callum Ryan, 22, spotted a box of 12 Estrella for £15 Morrisons and wondered if he could get a sunnier pint for less.So he booked a flight from London Stansted to Ibiza Airport with Ryanair and his flight cost just £10.Once Callum landed in Ibiza he went to Rita's Cantina for a pint of Estrella which cost him €4 (£3.49).Callum, a content creator from Milton Keynes, said: "I wanted to show how it could be done."It also shows that a big night out could be a nice weekend away."There is nothing like travelling the world."I had no idea about how cheap you could travel - I have been recommending it to everyone."Callum Ryan/SWNS