Booking with Asiana Airlines 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to Jeju City. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, the most affordable month to book a Asiana Airlines flight from Seoul to Jeju City in March, with an average price of HK$327. Conversely, traveling with Asiana Airlines from Seoul to Jeju City in April will be the most expensive, with an average cost of HK$490. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
The most Asiana Airlines flights from SEL to CJU are scheduled on a Friday (30 on average). You will have fewer Asiana Airlines flight options on Monday, which is when the least amount of flights are scheduled (25 on average).
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