Does the best time to buy flights online exist?

There is HolidayIQ, the comparison tool that allows you to find flights from London to Chicago, but not only! HolidayIQ also allows you to evaluate the purchase for other dates, close to those selected, or for other destinations in United States.

Looking for flights from London? With our flight comparison tool HolidayIQ you have alternatives from airports near London at your disposal, so you can see other options that may help you save on your airline ticket.

How do you find the best combination of flights from London to Chicago?

We compare all the airlines and all types of flights - low cost, with stop, direct - but above all we also offer option for nearby airports that can lead you from London to Chicago.
It's never easy to find the right flight ticket from London to Chicago. Our online flight comparison tool shows you the most suitable solutions based on the data you enter: number of passengers, class of travel, time and much more. It also shows you the price of flights from London to Chicago in the days close to those you are searching for, giving you the opportunity to save money, departing or arriving a few days before or afterward.