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Jeju to Seoul flights in January 2027 from $24 CJU → GMP, ICN

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

For departures in January 2027, the cheapest return found recently is $112 with Air Busan, 2 Jan 2027 – 8 Jan 2027, found 5 days ago. The cheapest one-way found recently is $24 with Jeju Air, 6 Jan 2027, found 2 days ago.

Return

We hold return fares on only 1 departure date in January 2027, too few to say what one usually costs.

Cheapest return found recently

$112

2 Jan 2027 – 8 Jan 2027 · Air Busan

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

out nonstop, back nonstop

found 5 days ago

See prices for these datesCheck today's price

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

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The cheapest dates in January 2027

DatesFromAirlineStopsFound
2 Jan 2027 – 8 Jan 2027$112Air Busanout nonstop, back nonstopfound 5 days agoSee prices for these dates

Every date we hold

1 departure date

See every date as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Jan 2027 – 8 Jan 2027$112Air BusanJeju International Airport (CJU) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 5 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $50.

November 2026From $612 departure dates27 Nov – 28 Nov · found 3 days agoSee prices for these datesEvery date in November 2026
December 2026From $50Cheapest seen4 departure dates8 Dec – 10 Dec · found 4 days agoSee prices for these datesEvery date in December 2026
January 2027From $1121 departure date2 Jan 2027 – 8 Jan 2027 · found 5 days agoSee prices for these dates
March 2027From $723 departure dates18 Mar 2027 – 22 Mar 2027 · found 7 days agoSee prices for these datesEvery date in March 2027
April 2027From $1762 departure dates5 Apr 2027 – 5 Apr 2027 · found 5 days agoSee prices for these datesEvery date in April 2027
May 2027From $1922 departure dates18 May 2027 – 21 May 2027 · found 7 days agoSee prices for these dates

One-way

In January 2027, the cheapest one-way fare on each of 13 departure dates is usually $27 to $54. Across all 89 departure dates we hold on this route, it is usually $26 to $85. Of the 7 months with enough one-way fares to compare, 2 are usually cheaper than January 2027.

Cheapest one-way found recently

$24

6 Jan 2027 · Jeju Air

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

nonstop

found 2 days ago

Open this tripCheck today's price

Cheapest we hold, of any age

$23

15 Jan 2027 · Jeju Air

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

nonstop

found 3 days ago

Open this tripCheck today's price

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The cheapest dates in January 2027

DatesFromAirlineStopsFound
15 Jan 2027$23Jeju Airnonstopfound 3 days agoOpen this trip
6 Jan 2027$24Jeju Airnonstopfound 2 days agoOpen this trip
5 Jan 2027$26Eastar Jetnonstopfound 2 days agoOpen this trip
19 Jan 2027$27Jeju Airnonstopfound 2 days agoOpen this trip
25 Jan 2027$36Korean Airnonstopfound 3 days agoOpen this trip

Every date we hold

13 departure dates

1 Jan 2027: $54, found 5 days ago2 Jan 2027: $62, found 5 days ago3 Jan 2027: $83, found 5 days ago4 Jan 2027: $68, found 5 days ago5 Jan 2027: $26, found 2 days ago6 Jan 2027: $24, found 2 days ago9 Jan 2027: $39, found 2 days ago15 Jan 2027: $23, found 3 days ago17 Jan 2027: $53, found 3 days ago18 Jan 2027: $38, found 3 days ago19 Jan 2027: $27, found 2 days ago24 Jan 2027: $52, found 3 days ago25 Jan 2027: $36, found 3 days agoJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Jan 2027$54Air SeoulJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 5 days agoOpen this trip
2 Jan 2027$62Air BusanJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 5 days agoOpen this trip
3 Jan 2027$83T'way AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 5 days agoOpen this trip
4 Jan 2027$68Air SeoulJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 5 days agoOpen this trip
5 Jan 2027$26Eastar JetJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip
6 Jan 2027$24Jeju AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip
9 Jan 2027$39Air SeoulJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip
15 Jan 2027$23Jeju AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 3 days agoOpen this trip
17 Jan 2027$53Jeju AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 3 days agoOpen this trip
18 Jan 2027$38Jeju AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 3 days agoOpen this trip
19 Jan 2027$27Jeju AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip
24 Jan 2027$52Jeju AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 3 days agoOpen this trip
25 Jan 2027$36Korean AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $20.

November 2026From $2311 departure dates19 Nov · found 4 days agoOpen this tripEvery date in November 2026
December 2026From $20Cheapest seen26 departure dates22 Dec · found 2 days agoOpen this tripEvery date in December 2026
January 2027From $2313 departure dates15 Jan 2027 · found 3 days agoOpen this trip
February 2027From $522 departure dates22 Feb 2027 · found 6 days agoOpen this trip
March 2027From $2414 departure dates11 Mar 2027 · found 2 days agoOpen this tripEvery date in March 2027
April 2027From $8510 departure dates27 Apr 2027 · found 3 days agoOpen this tripEvery date in April 2027
May 2027From $805 departure dates10 May 2027 · found 7 days agoOpen this trip
June 2027From $895 departure dates1 Jun 2027 · found 6 days agoOpen this trip
July 2027From $1001 departure date9 Jul 2027 · found 3 days agoOpen this trip
September 2027From $851 departure date1 Sept 2027 · found 3 days agoOpen this trip
October 2027From $1011 departure date17 Oct 2027 · found yesterdayOpen 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