Currently, the most affordable month to book a Korean Air flight from Seoul to Jeju City in January, with an average price of S$ 251. Conversely, traveling with Korean Air from Seoul 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$ 341
February
S$ 352
March
S$ 429
April
S$ 403
May
S$ 499
June
S$ 408
July
S$ 346
August
S$ 358
September
S$ 446
October
S$ 495
November
S$ 492
December
S$ 525
Comfort
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Entertainment
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