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Seoul to Jeju in January 2027 GMP, ICN → CJU

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

For departures in January 2027, the cheapest return found recently is $63 with Jeju Air, 20 Jan 2027 – 23 Jan 2027, found yesterday. The cheapest one-way found recently is $30 with T'way Air, 3 Jan 2027, found today.

Return

In January 2027, the cheapest return fare on each of 6 departure dates is usually $65 to $76. 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, 2 are usually cheaper than January 2027.

Cheapest return found recently

$63

20 Jan 2027 – 23 Jan 2027 · Jeju Air

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

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

Cheapest we hold, of any age

$47

5 Jan 2027 – 7 Jan 2027 · Jeju Air

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

out nonstop, back nonstop

found 4 days ago

See prices for these datesCheck today's price

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The cheapest dates in January 2027

DatesFromAirlineStopsFound
5 Jan 2027 – 7 Jan 2027$47Jeju Airout nonstop, back nonstopfound 4 days agoSee prices for these dates
20 Jan 2027 – 23 Jan 2027$63Jeju Airout nonstop, back nonstopfound yesterdaySee prices for these dates
6 Jan 2027 – 9 Jan 2027$69Jeju Airout nonstop, back nonstopfound 6 days agoSee prices for these dates
8 Jan 2027 – 14 Jan 2027$71Jeju Airout nonstop, back nonstopfound 5 days agoSee prices for these dates
28 Jan 2027 – 31 Jan 2027$78Eastar Jetout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

6 departure dates

1 Jan 2027 – 4 Jan 2027: $126, found 2 days ago5 Jan 2027 – 7 Jan 2027: $47, found 4 days ago6 Jan 2027 – 9 Jan 2027: $69, found 6 days ago8 Jan 2027 – 14 Jan 2027: $71, found 5 days ago20 Jan 2027 – 23 Jan 2027: $63, found yesterday28 Jan 2027 – 31 Jan 2027: $78, found 2 days agoJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Jan 2027 – 4 Jan 2027$126Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 2 days agoSee prices for these dates
5 Jan 2027 – 7 Jan 2027$47Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 4 days agoSee prices for these dates
6 Jan 2027 – 9 Jan 2027$69Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 6 days agoSee prices for these dates
8 Jan 2027 – 14 Jan 2027$71Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 5 days agoSee prices for these dates
20 Jan 2027 – 23 Jan 2027$63Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound yesterdaySee prices for these dates
28 Jan 2027 – 31 Jan 2027$78Eastar JetGimpo 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 datesEvery date in December 2026
January 2027From $476 departure dates5 Jan 2027 – 7 Jan 2027 · found 4 days agoSee prices for these dates
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 17 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 January 2027, the cheapest one-way fare on each of 10 departure dates is usually $27 to $35. Across all 105 departure dates we hold on this route, it is usually $23 to $73. Of the 10 months with enough one-way fares to compare, 3 are usually cheaper than January 2027.

Cheapest one-way found recently

$30

3 Jan 2027 · T'way Air

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

nonstop

found today

Open this tripCheck today's price

Cheapest we hold, of any age

$21

27 Jan 2027 · Air Seoul

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

nonstop

found 6 days ago

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The cheapest dates in January 2027

DatesFromAirlineStopsFound
27 Jan 2027$21Air Seoulnonstopfound 6 days agoOpen this trip
6 Jan 2027$22Jeju Airnonstopfound 4 days agoOpen this trip
10 Jan 2027$27Jeju Airnonstopfound 5 days agoOpen this trip
28 Jan 2027$27Jeju Airnonstopfound 5 days agoOpen this trip
30 Jan 2027$29Jeju Airnonstopfound 3 days agoOpen this trip

Every date we hold

10 departure dates

1 Jan 2027: $62, found 2 days ago2 Jan 2027: $37, found yesterday3 Jan 2027: $30, found today6 Jan 2027: $22, found 4 days ago10 Jan 2027: $27, found 5 days ago27 Jan 2027: $21, found 6 days ago28 Jan 2027: $27, found 5 days ago29 Jan 2027: $53, found 4 days ago30 Jan 2027: $29, found 3 days ago31 Jan 2027: $29, found 2 days agoJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Jan 2027$62Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 2 days agoOpen this trip
2 Jan 2027$37T'way AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound yesterdayOpen this trip
3 Jan 2027$30T'way AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound todayOpen this trip
6 Jan 2027$22Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 4 days agoOpen this trip
10 Jan 2027$27Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 5 days agoOpen this trip
27 Jan 2027$21Air SeoulGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 6 days agoOpen this trip
28 Jan 2027$27Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 5 days agoOpen this trip
29 Jan 2027$53Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 4 days agoOpen this trip
30 Jan 2027$29Jeju AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 3 days agoOpen this trip
31 Jan 2027$29Parata AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 2 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 tripEvery date in December 2026
January 2027From $2110 departure dates27 Jan 2027 · found 6 days agoOpen this trip
February 2027From $229 departure dates17 Feb 2027 · found todayOpen this tripEvery date in February 2027
March 2027From $2610 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