From most locations, the cheapest flights to Seoul can be found during the month of March; however great deals can be found at other times.
From most locations, booking your flights to Seoul around 60 days prior to your departure date finds the best deals.
On average, the cheapest flights to Seoul are found when departing on a Wednesday. Try to avoid departing on a Saturday, as this is usually the most expensive day.
Generally, when visiting Seoul, evening flights represent the best value. morning flights are likely to have higher prices.