Hola, London!
Book cheap flights to London, the second financial centre in the world after New York, home to the second largest cathedral in the world after St Peter's Basilica in Rome... Don't miss out on the opportunity to visit Buckingham Palace, official residence of the royal family; the Tower of London, the place where all those who offended the monarch were locked up and today site of the famous Crown Jewels; or the great Westminster Abbey, the most famous and oldest church in London, the Palace of Westminster on the banks of the River Thames, Big Ben and the London Eye. If it's museums you're looking for, London has some of the best in the world: the British Museum, the Tate Modern and the National Gallery, to name a few.
