Are Incheon to Jeju flights cheap right now?

As of Oct 25, 17:00, 150 departure days are at least 20% below average. The deepest drop is Nov 18 (Wed) - Nov 25 (Wed), round trip, 7 nights, at ₩75,600: 84.3% below the ₩482,350 average.

What is the average fare from Incheon to Jeju, round trip, 3 nights?

The average fare from Incheon to Jeju, round trip, 3 nights, is ₩546,808 (as of Oct 25, 16:00): the mean of the lowest fare on 113 departure days.

What is the average fare from Incheon to Jeju, round trip, 4 nights?

The average fare from Incheon to Jeju, round trip, 4 nights, is ₩497,658 (as of Oct 25, 17:00): the mean of the lowest fare on 168 departure days.

What is the cheapest date from Incheon to Jeju, round trip, 4 nights?

The cheapest departure in the next 60 days is Nov 30 (Mon) - Dec 4 (Fri) at ₩82,700, below the ₩497,658 average (checked Oct 24, 17:57).

What is the average fare from Incheon to Jeju, round trip, 7 nights?

The average fare from Incheon to Jeju, round trip, 7 nights, is ₩482,350 (as of Oct 25, 17:00): the mean of the lowest fare on 154 departure days.

What is the cheapest date from Incheon to Jeju, round trip, 7 nights?

The cheapest departure in the next 60 days is Nov 18 (Wed) - Nov 25 (Wed) at ₩75,600, below the ₩482,350 average (checked Oct 25, 11:33).

Every flight from Incheon

Incheon to Jeju flights: average fare and cheapest dates

South Korea · ICN↔CJU. The lowest fare of each departure day, collected daily and set against the average for each trip length. A day at least 20% below average is a drop.

Averages as of Oct 25, 17:00

Average fare

The mean of the lowest fare collected for each departure day, per trip length.

Trip	Average	Lowest ahead	Departure days	Computed
round trip, 3 nights	₩546,808	₩147,800	113 days	Oct 25, 16:00
round trip, 4 nights	₩497,658	₩82,700	168 days	Oct 25, 17:00
round trip, 7 nights	₩482,350	₩75,600	154 days	Oct 25, 17:00

Cheapest departure days

The 5 cheapest days departing in the next 60 days.

round trip, 3 nights

No departure day in the next 60 days has been collected.

round trip, 4 nights

Nov 30 (Mon) - Dec 4 (Fri)₩82,700Below averageChecked Oct 24, 17:57
Nov 23 (Mon) - Nov 27 (Fri)₩102,700Below averageChecked Oct 24, 17:57
Dec 7 (Mon) - Dec 11 (Fri)₩107,300Below averageChecked Oct 24, 17:57
Dec 14 (Mon) - Dec 18 (Fri)₩119,300Below averageChecked Oct 24, 17:57
Nov 16 (Mon) - Nov 20 (Fri)₩122,700Below averageChecked Oct 24, 17:57

round trip, 7 nights

Nov 18 (Wed) - Nov 25 (Wed)₩75,600Below averageChecked Oct 25, 11:33
Dec 2 (Wed) - Dec 9 (Wed)₩87,300Below averageChecked Oct 24, 17:57
Dec 9 (Wed) - Dec 16 (Wed)₩88,300Below averageChecked Oct 24, 17:57
Nov 25 (Wed) - Dec 2 (Wed)₩88,700Below averageChecked Oct 24, 17:57
Nov 4 (Wed) - Nov 11 (Wed)₩91,700Below averageChecked Oct 24, 17:57

Lowest fare by month

The cheapest collected departure day of each month.

Month	round trip, 3 nights	round trip, 4 nights	round trip, 7 nights
Oct 2026	No data	₩347,300Oct 29 (Thu) - Nov 2 (Mon)	₩480,400Oct 30 (Fri) - Nov 6 (Fri)
Nov 2026	No data	₩82,700Nov 30 (Mon) - Dec 4 (Fri)	₩75,600Nov 18 (Wed) - Nov 25 (Wed)
Dec 2026	₩460,400Dec 27 (Sun) - Dec 30 (Wed)	₩107,300Dec 7 (Mon) - Dec 11 (Fri)	₩87,300Dec 2 (Wed) - Dec 9 (Wed)
Jan 2027	₩147,800Jan 8 (Fri) - Jan 11 (Mon)	₩120,800Jan 11 (Mon) - Jan 15 (Fri)	₩90,800Jan 20 (Wed) - Jan 27 (Wed)
Feb 2027	₩229,500Feb 12 (Fri) - Feb 15 (Mon)	₩146,900Feb 1 (Mon) - Feb 5 (Fri)	₩122,800Feb 24 (Wed) - Mar 3 (Wed)
Mar 2027	₩166,800Mar 5 (Fri) - Mar 8 (Mon)	₩140,800Mar 8 (Mon) - Mar 12 (Fri)	₩108,800Mar 3 (Wed) - Mar 10 (Wed)
Apr 2027	₩742,000Apr 7 (Wed) - Apr 10 (Sat)	₩742,000Apr 7 (Wed) - Apr 11 (Sun)	₩742,000Apr 9 (Fri) - Apr 16 (Fri)

Checked Oct 24, 17:57 to Oct 25, 11:33

round trip, 3 nights, by date

Low: ₩147,800
Average: ₩546,808
High: ₩947,000

round trip, 4 nights, by date

Low: ₩82,700
Average: ₩497,658
High: ₩922,000

round trip, 7 nights, by date

Low: ₩75,600
Average: ₩482,350
High: ₩1,382,900

₩97,700▼ 79.7%

Questions

Are Incheon to Jeju flights cheap right now?: As of Oct 25, 17:00, 150 departure days are at least 20% below average. The deepest drop is Nov 18 (Wed) - Nov 25 (Wed), round trip, 7 nights, at ₩75,600: 84.3% below the ₩482,350 average.
What is the average fare from Incheon to Jeju, round trip, 3 nights?: The average fare from Incheon to Jeju, round trip, 3 nights, is ₩546,808 (as of Oct 25, 16:00): the mean of the lowest fare on 113 departure days.
What is the average fare from Incheon to Jeju, round trip, 4 nights?: The average fare from Incheon to Jeju, round trip, 4 nights, is ₩497,658 (as of Oct 25, 17:00): the mean of the lowest fare on 168 departure days.
What is the cheapest date from Incheon to Jeju, round trip, 4 nights?: The cheapest departure in the next 60 days is Nov 30 (Mon) - Dec 4 (Fri) at ₩82,700, below the ₩497,658 average (checked Oct 24, 17:57).
What is the average fare from Incheon to Jeju, round trip, 7 nights?: The average fare from Incheon to Jeju, round trip, 7 nights, is ₩482,350 (as of Oct 25, 17:00): the mean of the lowest fare on 154 departure days.
What is the cheapest date from Incheon to Jeju, round trip, 7 nights?: The cheapest departure in the next 60 days is Nov 18 (Wed) - Nov 25 (Wed) at ₩75,600, below the ₩482,350 average (checked Oct 25, 11:33).