Question : How many days should you spend in Chicago if you're flying in from Busan?
Answer : Of course you're not most people, but if you were, you'd stay roughly 11 days.
Question : Is price more important than specific travel days for you?
Answer : The cheapest day to fly in February is Wednesday. Being flexible with your travel days garners you even more savings during your booking.
Question : Over the coming months, which airline is getting its passengers to O'Hare International Airport (ORD) round-trip the cheapest?
Answer : Check out American Airlines, as they have been booking customers at lower fares than most.