One of the easiest and quickest ways to get into Central London is to take the Heathrow Express -- a direct train from the airport right to London Paddington. The only problem is that it can be a little pricey at £32 for a return ticket (about $52). We've gotten a hold of a 50% off coupon that will save you a ton of money on your ticket. Use coupon code HXJBA5 when … [Read more...] about Save 50% on the Heathrow Express With This Coupon – UPDATED