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Korean Air flights from Seoul to Jeju City (SEL - CJU)

SEL — CJU
5 May — 12 May1
1 adult

Cheapflights users flying from Seoul to Jeju City on Korean Air typically fly into Jeju City and depart from Incheon Intl. Select your dates above for pricing.

Korean Air flights from Seoul to Jeju City in 2025

Find detailed information about Korean Air flights from Seoul to Jeju City. Explore the options provided by Korean Air to plan your journey from Seoul to Jeju City. Data last updated 30 April 2025.

Popular in

August

Cheapest in

March

Average price (all airlines)

HK$644
Highest demand for flights from Seoul to Jeju City; 9% potential price increase.
Best time to find cheap flights from Seoul to Jeju City; 2% potential price drop.
Average price for all Seoul to Jeju City flights (one-way and round-trip).
  • How do most travelers feel about Korean Air?

    The average rating from 32 Korean Air reviews by Cheapflights users is 7.6 (out of a maximum rating of 10). If you are considering flying SEL-CJU with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to Jeju City with Korean Air.

Travel insights for Korean Air flights from Seoul to Jeju City

Get recent, data-driven insights about Korean Air flights from Seoul to Jeju City including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seoul to Jeju City with Korean Air?

Use this chart to determine the optimal time to book a return flight from Seoul to Jeju City. Price data was last updated on 25 April 2025.

Booking with Korean Air 42 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.

What is the cheapest month to book a flight from Seoul to Jeju City with Korean Air?

Currently, the most affordable month to book a Korean Air flight from Seoul to Jeju City in September, with an average price of HK$318. Conversely, traveling with Korean Air from Seoul to Jeju City in August will be the most expensive, with an average cost of HK$605. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Korean Air flight availability from Seoul to Jeju City

The most Korean Air flights from SEL to CJU are scheduled on a Monday (33 on average). You will have fewer Korean Air flight options on Tuesday, which is when the least amount of flights are scheduled (32 on average).

Best time to book a flight from Seoul to Jeju City

Have a flexible travel schedule? Discover the best time to fly to Jeju City from Seoul with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Complete your trip

Complete your trip to Jeju City by adding a car hire and/or hotel booking to your travel itinerary.

See what others are saying about Korean Air

Read reviews and see what other travellers are saying about their experiences with Korean Air. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Korean Air for your next flight. Reviews last updated 30 April 2025.
Korean Air
8.4
Very Good
1,066 reviews
Overview

Boarding

8.5

Food

8.1

Entertainment

8.2

Comfort

8.3

Crew

8.7

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