The overall standards of long-haul transportation are greatly enhanced by making a Seat Upgrade on the flights between Chicago and London. This change will enable its passengers to have fine-dining and greater privacy during their Atlantic voyage. One can find the Cheapest united business class fares through the use of mileage plus points or when there is a seasonal sale. The current prices of such premium seats to London are close to 3300 pounds in case of a full round trip experience. https://askforairlines.com/blog/cheapest-united-business-class-fares/