Currently, the most affordable month to book a Korean Air flight from Seoul Gimpo Intl Airport to Jeju City in January, with an average price of S$ 252. Conversely, traveling with Korean Air from Seoul Gimpo Intl Airport to Jeju City in December will be the most expensive, with an average cost of S$ 386. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
S$ 343
February
S$ 353
March
S$ 429
April
S$ 403
May
S$ 517
June
S$ 413
July
S$ 349
August
S$ 360
September
S$ 443
October
S$ 496
November
S$ 493
December
S$ 526
Food
Crew
Entertainment
Boarding
Comfort