Question : How long are most people's visits to Columbus when they fly in from Seoul?
Answer : Of course you're not most people, but if you were, you'd stay roughly 12 days.
Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : In February, Wednesday is your cheapest day to fly. Being flexible with your travel days garners you even more savings during your booking.
Question : How often is the price changing when booking a trip from Incheon International Airport (ICN) to John Glenn Columbus International Airport (CMH)?
Answer : Prices are fluctuating much more for this route than most routes. However, the sooner you book, the better price you tend to get.