Currently, the most affordable month to book a Asiana Airlines flight from Singapore to Jeju City in January, with an average price of S$ 252. Conversely, traveling with Asiana Airlines from Singapore to Jeju City in May will be the most expensive, with an average cost of S$ 408. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
S$ 342
February
S$ 351
March
S$ 428
April
S$ 409
May
S$ 553
June
S$ 420
July
S$ 347
August
S$ 362
September
S$ 437
October
S$ 495
November
S$ 489
December
S$ 523
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