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Jeju to Seoul flights in April 2027 from $88 CJU → GMP, ICN

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

For departures in April 2027, the cheapest return found recently is $176 with Korean Air, 5 Apr 2027 – 5 Apr 2027, found 5 days ago. The cheapest one-way found recently is $88 with Korean Air, 21 Apr 2027, found 2 days ago.

Return

We hold return fares on only 2 departure dates in April 2027, too few to say what one usually costs.

Cheapest return found recently

$176

5 Apr 2027 – 5 Apr 2027 · Korean Air

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 April 2027

DatesFromAirlineStopsFound
5 Apr 2027 – 5 Apr 2027$176Korean Airout nonstop, back nonstopfound 5 days agoSee prices for these dates
30 Apr 2027 – 10 May 2027$195Korean Airout nonstop, back nonstopfound 6 days agoSee prices for these dates

Every date we hold

2 departure dates

5 Apr 2027 – 5 Apr 2027: $176, found 5 days ago30 Apr 2027 – 10 May 2027: $195, found 6 days agoApr
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
5 Apr 2027 – 5 Apr 2027$176Korean AirJeju International Airport (CJU) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 5 days agoSee prices for these dates
30 Apr 2027 – 10 May 2027$195Korean AirJeju International Airport (CJU) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 6 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 datesEvery date in January 2027
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 dates
May 2027From $1922 departure dates18 May 2027 – 21 May 2027 · found 7 days agoSee prices for these dates

One-way

In April 2027, the cheapest one-way fare on each of 10 departure dates is usually $88 to $100. 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, 5 are usually cheaper than April 2027.

Cheapest one-way found recently

$88

21 Apr 2027 · Korean 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

$85

27 Apr 2027 · Korean 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 April 2027

DatesFromAirlineStopsFound
27 Apr 2027$85Korean Airnonstopfound 3 days agoOpen this trip
28 Apr 2027$85Korean Airnonstopfound 3 days agoOpen this trip
21 Apr 2027$88Korean Airnonstopfound 2 days agoOpen this trip
15 Apr 2027$89Korean Airnonstopfound 3 days agoOpen this trip
9 Apr 2027$90Korean Airnonstopfound 7 days agoOpen this trip

Every date we hold

10 departure dates

2 Apr 2027: $100, found 3 days ago4 Apr 2027: $100, found 3 days ago9 Apr 2027: $90, found 7 days ago10 Apr 2027: $99, found 6 days ago15 Apr 2027: $89, found 3 days ago16 Apr 2027: $100, found 2 days ago21 Apr 2027: $88, found 2 days ago24 Apr 2027: $103, found 7 days ago27 Apr 2027: $85, found 3 days ago28 Apr 2027: $85, found 3 days agoApr
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Apr 2027$100Korean AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 3 days agoOpen this trip
4 Apr 2027$100Korean AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 3 days agoOpen this trip
9 Apr 2027$90Korean AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 7 days agoOpen this trip
10 Apr 2027$99Korean AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 6 days agoOpen this trip
15 Apr 2027$89Korean AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 3 days agoOpen this trip
16 Apr 2027$100Korean AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip
21 Apr 2027$88Korean AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip
24 Apr 2027$103Korean AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 7 days agoOpen this trip
27 Apr 2027$85Korean AirJeju International Airport (CJU) → Gimpo International Airport (GMP)nonstopfound 3 days agoOpen this trip
28 Apr 2027$85Korean 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 tripEvery date in January 2027
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 trip
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