In general, when booking your flight to South Korea, March is the cheapest month on average.
From most locations, to find the best deals on airfare, our data shows that users booking 58 days before flying found the cheapest flight to South Korea.
Most of our users find that booking their departure to South Korea on a Wednesday is the cheapest. Conversely, departing on a Saturday seems to be the most expensive.
Typically, cheap prices to South Korea are most often found for evening flights. Cheap prices are less likely for morning flights.