Question : How many days should you spend in London if you're flying in from Chicago?
Answer : Of course you're not most people, but if you were, you'd stay roughly nine days.
Question : Would you be willing to change your travel days if it saved you money?
Answer : For the month of February, the cheapest day to fly is Wednesday. Being flexible with your travel days garners you even more savings during your booking.
Question : How often are prices changing for this route?
Answer : Prices for this trip tend to change much more than others. Prices tend to be lower the further out you book.