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Seoul to Jeju flights in April 2027 from $90 GMP, ICN → CJU

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

For departures in April 2027, the cheapest return found recently is $189 with Korean Air, 25 Apr 2027 – 26 Apr 2027, found 3 days ago. The cheapest one-way found recently is $90 with Korean Air, 1 Apr 2027, found 2 days ago.

Return

In April 2027, the cheapest return fare on each of 10 departure dates is usually $177 to $189. Across all 107 departure dates we hold on this route, it is usually $66 to $187. Of the 11 months with enough return fares to compare, 6 are usually cheaper than April 2027.

Cheapest return found recently

$189

25 Apr 2027 – 26 Apr 2027 · Korean Air

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

out nonstop, back nonstop

found 3 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$174

24 Apr 2027 – 27 Apr 2027 · Korean 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 April 2027

DatesFromAirlineStopsFound
24 Apr 2027 – 27 Apr 2027$174Korean Airout nonstop, back nonstopfound 4 days agoSee prices for these dates
28 Apr 2027 – 29 Apr 2027$176Korean Airout nonstop, back nonstopfound 6 days agoSee prices for these dates
1 Apr 2027 – 15 Apr 2027$177Korean Airout nonstop, back nonstopfound 4 days agoSee prices for these dates
26 Apr 2027 – 27 Apr 2027$177Korean Airout nonstop, back nonstopfound 5 days agoSee prices for these dates
19 Apr 2027 – 21 Apr 2027$178Korean Airout nonstop, back nonstopfound 7 days agoSee prices for these dates

Every date we hold

10 departure dates

1 Apr 2027 – 15 Apr 2027: $177, found 4 days ago5 Apr 2027 – 11 Apr 2027: $187, found 5 days ago10 Apr 2027 – 25 Apr 2027: $199, found 4 days ago19 Apr 2027 – 21 Apr 2027: $178, found 7 days ago22 Apr 2027 – 24 Apr 2027: $189, found 4 days ago23 Apr 2027 – 26 Apr 2027: $191, found 4 days ago24 Apr 2027 – 27 Apr 2027: $174, found 4 days ago25 Apr 2027 – 26 Apr 2027: $189, found 3 days ago26 Apr 2027 – 27 Apr 2027: $177, found 5 days ago28 Apr 2027 – 29 Apr 2027: $176, found 6 days agoApr
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Apr 2027 – 15 Apr 2027$177Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 4 days agoSee prices for these dates
5 Apr 2027 – 11 Apr 2027$187Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 5 days agoSee prices for these dates
10 Apr 2027 – 25 Apr 2027$199Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 4 days agoSee prices for these dates
19 Apr 2027 – 21 Apr 2027$178Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 7 days agoSee prices for these dates
22 Apr 2027 – 24 Apr 2027$189Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 4 days agoSee prices for these dates
23 Apr 2027 – 26 Apr 2027$191Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 4 days agoSee prices for these dates
24 Apr 2027 – 27 Apr 2027$174Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 4 days agoSee prices for these dates
25 Apr 2027 – 26 Apr 2027$189Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 3 days agoSee prices for these dates
26 Apr 2027 – 27 Apr 2027$177Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 5 days agoSee prices for these dates
28 Apr 2027 – 29 Apr 2027$176Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)out nonstop, back nonstopfound 6 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $35.

November 2026From $35Cheapest seen16 departure dates24 Nov – 26 Nov · found 2 days agoSee prices for these datesEvery date in November 2026
December 2026From $4719 departure dates1 Dec – 1 Dec · found 2 days agoSee prices for these datesEvery date in December 2026
January 2027From $438 departure dates25 Jan 2027 – 2 Feb 2027 · found 2 days agoSee prices for these datesEvery date in January 2027
February 2027From $577 departure dates15 Feb 2027 – 18 Feb 2027 · found 6 days agoSee prices for these datesEvery date in February 2027
March 2027From $5718 departure dates1 Mar 2027 – 10 Mar 2027 · found 2 days agoSee prices for these datesEvery date in March 2027
April 2027From $17410 departure dates24 Apr 2027 – 27 Apr 2027 · found 4 days agoSee prices for these dates
May 2027From $1697 departure dates18 May 2027 – 21 May 2027 · found 7 days agoSee prices for these datesEvery date in May 2027
June 2027From $1636 departure dates8 Jun 2027 – 22 Jun 2027 · found 4 days agoSee prices for these dates
July 2027From $1865 departure dates20 Jul 2027 – 24 Jul 2027 · found 5 days agoSee prices for these dates
August 2027From $1876 departure dates30 Aug 2027 – 10 Sept 2027 · found 5 days agoSee prices for these dates
September 2027From $1794 departure dates2 Sept 2027 – 3 Sept 2027 · found 6 days agoSee prices for these dates
October 2027From $2071 departure date5 Oct 2027 – 7 Oct 2027 · found 3 days agoSee prices for these dates

One-way

In April 2027, the cheapest one-way fare on each of 11 departure dates is usually $89 to $100. Across all 122 departure dates we hold on this route, it is usually $27 to $88. Of the 10 months with enough one-way fares to compare, 5 are usually cheaper than April 2027.

Cheapest one-way found recently

$90

1 Apr 2027 · Korean 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

$88

7 Apr 2027 · Korean Air

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

nonstop

found 6 days ago

Open this tripCheck today's price

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The cheapest dates in April 2027

DatesFromAirlineStopsFound
7 Apr 2027$88Korean Airnonstopfound 6 days agoOpen this trip
19 Apr 2027$88Korean Airnonstopfound 5 days agoOpen this trip
13 Apr 2027$89Korean Airnonstopfound 4 days agoOpen this trip
21 Apr 2027$89Korean Airnonstopfound 4 days agoOpen this trip
22 Apr 2027$89Korean Airnonstopfound 3 days agoOpen this trip

Every date we hold

11 departure dates

1 Apr 2027: $90, found 2 days ago2 Apr 2027: $118, found 3 days ago3 Apr 2027: $102, found 3 days ago7 Apr 2027: $88, found 6 days ago11 Apr 2027: $100, found 3 days ago13 Apr 2027: $89, found 4 days ago19 Apr 2027: $88, found 5 days ago21 Apr 2027: $89, found 4 days ago22 Apr 2027: $89, found 3 days ago24 Apr 2027: $99, found 7 days ago28 Apr 2027: $89, found 3 days agoApr
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Apr 2027$90Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 2 days agoOpen this trip
2 Apr 2027$118Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 3 days agoOpen this trip
3 Apr 2027$102Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 3 days agoOpen this trip
7 Apr 2027$88Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 6 days agoOpen this trip
11 Apr 2027$100Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 3 days agoOpen this trip
13 Apr 2027$89Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 4 days agoOpen this trip
19 Apr 2027$88Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 5 days agoOpen this trip
21 Apr 2027$89Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 4 days agoOpen this trip
22 Apr 2027$89Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 3 days agoOpen this trip
24 Apr 2027$99Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 7 days agoOpen this trip
28 Apr 2027$89Korean AirGimpo International Airport (GMP) → Jeju International Airport (CJU)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $18.

November 2026From $18Cheapest seen18 departure dates17 Nov · found 2 days agoOpen this tripEvery date in November 2026
December 2026From $2025 departure dates15 Dec · found 3 days agoOpen this tripEvery date in December 2026
January 2027From $2415 departure dates5 Jan 2027 · found 3 days agoOpen this tripEvery date in January 2027
February 2027From $249 departure dates15 Feb 2027 · found 2 days agoOpen this tripEvery date in February 2027
March 2027From $2720 departure dates8 Mar 2027 · found 6 days agoOpen this tripEvery date in March 2027
April 2027From $8811 departure dates7 Apr 2027 · found 6 days agoOpen this trip
May 2027From $888 departure dates20 May 2027 · found 4 days agoOpen this tripEvery date in May 2027
June 2027From $906 departure dates9 Jun 2027 · found 2 days agoOpen this trip
July 2027From $884 departure dates13 Jul 2027 · found 5 days agoOpen this trip
August 2027From $893 departure dates30 Aug 2027 · found 3 days agoOpen this trip
September 2027From $881 departure date6 Sept 2027 · found 5 days agoOpen this trip
October 2027From $882 departure dates6 Oct 2027 · found 5 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