Skip to content
FareTell

Seoul to Jeju in December 2026 GMP, ICN → CJU

Gimpo International Airport (GMP), Incheon International Airport (ICN) → Jeju International Airport (CJU)

For departures in December 2026, the cheapest return found recently is $48 with Air Seoul, 1 Dec – 8 Dec, found yesterday. The cheapest one-way found recently is $21 with Jin Air, 14 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 15 departure dates is usually $60 to $84. Across all 82 departure dates we hold on this route, it is usually $60 to $125. Of the 9 months with enough return fares to compare, 4 are usually cheaper than December 2026.

Cheapest return found recently

$48

1 Dec – 8 Dec · Air Seoul

Gimpo International Airport (GMP) → Jeju International Airport (CJU)

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
1 Dec – 8 Dec$48Air Seoulout nonstop, back nonstopfound yesterdaySee prices for these dates
16 Dec – 17 Dec$50Parata Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
8 Dec – 11 Dec$54Jeju Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
7 Dec – 18 Dec$59Air Seoulout nonstop, back nonstopfound 3 days agoSee prices for these dates
5 Dec – 16 Dec$60Jeju Airout nonstop, back nonstopfound 3 days agoSee prices for these dates

Every date we hold

15 departure dates

1 Dec – 8 Dec: $48, found yesterday2 Dec – 13 Dec: $80, found 3 days ago3 Dec – 14 Dec: $78, found 3 days ago4 Dec – 15 Dec: $83, found 3 days ago5 Dec – 16 Dec: $60, found 3 days ago6 Dec – 17 Dec: $63, found 3 days ago7 Dec – 18 Dec: $59, found 3 days ago8 Dec – 11 Dec: $54, found 2 days ago16 Dec – 17 Dec: $50, found 2 days ago19 Dec – 19 Dec: $89, found 4 days ago20 Dec – 26 Dec: $91, found 4 days ago22 Dec – 29 Dec: $65, found yesterday27 Dec – 2 Jan 2027: $84, found 3 days ago29 Dec – 31 Dec: $74, found today31 Dec – 2 Jan 2027: $124, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 8 Dec$48Air SeoulGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound yesterdaySee prices for these dates
2 Dec – 13 Dec$80Eastar JetGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 3 days agoSee prices for these dates
3 Dec – 14 Dec$78Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 3 days agoSee prices for these dates
4 Dec – 15 Dec$83Air BusanGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 3 days agoSee prices for these dates
5 Dec – 16 Dec$60Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 3 days agoSee prices for these dates
6 Dec – 17 Dec$63Air SeoulGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 3 days agoSee prices for these dates
7 Dec – 18 Dec$59Air SeoulGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 3 days agoSee prices for these dates
8 Dec – 11 Dec$54Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 2 days agoSee prices for these dates
16 Dec – 17 Dec$50Parata AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 2 days agoSee prices for these dates
19 Dec – 19 Dec$89Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 4 days agoSee prices for these dates
20 Dec – 26 Dec$91Parata AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 4 days agoSee prices for these dates
22 Dec – 29 Dec$65Parata AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound yesterdaySee prices for these dates
27 Dec – 2 Jan 2027$84Eastar JetGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 3 days agoSee prices for these dates
29 Dec – 31 Dec$74Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound todaySee prices for these dates
31 Dec – 2 Jan 2027$124Air SeoulGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

October 2026 is the cheapest month — from $38.

October 2026From $38Cheapest seen11 departure dates20 Oct – 22 Oct · found 6 days agoSee prices for these datesEvery date in October 2026
November 2026From $4626 departure dates2 Nov – 4 Nov · found todaySee prices for these datesEvery date in November 2026
December 2026From $4815 departure dates1 Dec – 8 Dec · found yesterdaySee prices for these dates
January 2027From $476 departure dates5 Jan 2027 – 7 Jan 2027 · found 4 days agoSee prices for these datesEvery date in January 2027
February 2027From $1211 departure date20 Feb 2027 – 20 Feb 2027 · found yesterdaySee prices for these datesEvery date in February 2027
March 2027From $446 departure dates9 Mar 2027 – 11 Mar 2027 · found 15 hours agoSee prices for these datesEvery date in March 2027
April 2027From $1635 departure dates12 Apr 2027 – 13 Apr 2027 · found 6 days agoSee prices for these dates
May 2027From $1733 departure dates25 May 2027 – 28 May 2027 · found yesterdaySee prices for these dates
June 2027From $1772 departure dates16 Jun 2027 – 23 Jun 2027 · found 3 days agoSee prices for these datesEvery date in June 2027
July 2027From $1763 departure dates5 Jul 2027 – 8 Jul 2027 · found 6 days agoSee prices for these dates
August 2027From $1963 departure dates28 Aug 2027 – 4 Sept 2027 · found 5 days agoSee prices for these dates
September 2027From $2041 departure date8 Sept 2027 – 11 Sept 2027 · found 4 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 18 departure dates is usually $22 to $28. Across all 103 departure dates we hold on this route, it is usually $23 to $63. Of the 10 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$21

14 Dec · Jin Air

Gimpo International Airport (GMP) → Jeju International Airport (CJU)

nonstop

found 2 days ago

Open this tripCheck today's price

Cheapest we hold, of any age

$20

8 Dec · Jeju Air

Gimpo International Airport (GMP) → Jeju International Airport (CJU)

nonstop

found 5 days ago

Open this tripCheck today's price

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
8 Dec$20Jeju Airnonstopfound 5 days agoOpen this trip
12 Dec$20Jeju Airnonstopfound 5 days agoOpen this trip
14 Dec$21Jin Airnonstopfound 2 days agoOpen this trip
1 Dec$22Eastar Jetnonstopfound 4 days agoOpen this trip
16 Dec$22Eastar Jetnonstopfound 2 days agoOpen this trip

Every date we hold

18 departure dates

1 Dec: $22, found 4 days ago3 Dec: $27, found 3 days ago4 Dec: $50, found 5 days ago5 Dec: $28, found 6 days ago7 Dec: $24, found 3 days ago8 Dec: $20, found 5 days ago9 Dec: $23, found 3 days ago12 Dec: $20, found 5 days ago14 Dec: $21, found 2 days ago16 Dec: $22, found 2 days ago20 Dec: $29, found 5 days ago21 Dec: $23, found 3 days ago22 Dec: $22, found 4 days ago25 Dec: $77, found 5 days ago28 Dec: $23, found 5 days ago29 Dec: $23, found 5 days ago30 Dec: $27, found 4 days ago31 Dec: $73, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec$22Eastar JetGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 4 days agoOpen this trip
3 Dec$27Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 3 days agoOpen this trip
4 Dec$50Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 5 days agoOpen this trip
5 Dec$28Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 6 days agoOpen this trip
7 Dec$24Jeju AirIncheon International Airport (ICN) → Jeju International Airport (CJU)nonstopfound 3 days agoOpen this trip
8 Dec$20Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 5 days agoOpen this trip
9 Dec$23Parata AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 3 days agoOpen this trip
12 Dec$20Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 5 days agoOpen this trip
14 Dec$21Jin AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 2 days agoOpen this trip
16 Dec$22Eastar JetGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 2 days agoOpen this trip
20 Dec$29Parata AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 5 days agoOpen this trip
21 Dec$23Parata AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 3 days agoOpen this trip
22 Dec$22Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 4 days agoOpen this trip
25 Dec$77Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 5 days agoOpen this trip
28 Dec$23Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 5 days agoOpen this trip
29 Dec$23Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 5 days agoOpen this trip
30 Dec$27Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 4 days agoOpen this trip
31 Dec$73Air SeoulGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

October 2026 is the cheapest month — from $14.

October 2026From $14Cheapest seen11 departure dates20 Oct · found 2 days agoOpen this tripEvery date in October 2026
November 2026From $1925 departure dates3 Nov · found todayOpen this tripEvery date in November 2026
December 2026From $2018 departure dates8 Dec · found 5 days agoOpen this trip
January 2027From $2110 departure dates27 Jan 2027 · found 6 days agoOpen this tripEvery date in January 2027
February 2027From $229 departure dates17 Feb 2027 · found todayOpen this tripEvery date in February 2027
March 2027From $268 departure dates16 Mar 2027 · found todayOpen this tripEvery date in March 2027
April 2027From $855 departure dates6 Apr 2027 · found 2 days agoOpen this trip
May 2027From $884 departure dates3 May 2027 · found 4 days agoOpen this trip
June 2027From $837 departure dates16 Jun 2027 · found 4 days agoOpen this tripEvery date in June 2027
July 2027From $884 departure dates12 Jul 2027 · found 6 days agoOpen this trip
August 2027From $1181 departure date12 Aug 2027 · found 2 days agoOpen this trip
September 2027From $881 departure date8 Sept 2027 · found 4 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work