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
It is also the cheapest return we hold, of any age.
The cheapest dates in April 2027
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 5 Apr 2027 – 5 Apr 2027 | $176 | Korean Air | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 30 Apr 2027 – 10 May 2027 | $195 | Korean Air | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
Every date we hold
2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 5 Apr 2027 – 5 Apr 2027 | $176 | Korean Air | Jeju International Airport (CJU) → Gimpo International Airport (GMP) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 30 Apr 2027 – 10 May 2027 | $195 | Korean Air | Jeju International Airport (CJU) → Gimpo International Airport (GMP) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $50.
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
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
The cheapest dates in April 2027
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 27 Apr 2027 | $85 | Korean Air | nonstop | found 3 days ago | Open this trip |
| 28 Apr 2027 | $85 | Korean Air | nonstop | found 3 days ago | Open this trip |
| 21 Apr 2027 | $88 | Korean Air | nonstop | found 2 days ago | Open this trip |
| 15 Apr 2027 | $89 | Korean Air | nonstop | found 3 days ago | Open this trip |
| 9 Apr 2027 | $90 | Korean Air | nonstop | found 7 days ago | Open this trip |
Every date we hold
10 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 2 Apr 2027 | $100 | Korean Air | Jeju International Airport (CJU) → Gimpo International Airport (GMP) | nonstop | found 3 days ago | Open this trip |
| 4 Apr 2027 | $100 | Korean Air | Jeju International Airport (CJU) → Gimpo International Airport (GMP) | nonstop | found 3 days ago | Open this trip |
| 9 Apr 2027 | $90 | Korean Air | Jeju International Airport (CJU) → Gimpo International Airport (GMP) | nonstop | found 7 days ago | Open this trip |
| 10 Apr 2027 | $99 | Korean Air | Jeju International Airport (CJU) → Gimpo International Airport (GMP) | nonstop | found 6 days ago | Open this trip |
| 15 Apr 2027 | $89 | Korean Air | Jeju International Airport (CJU) → Gimpo International Airport (GMP) | nonstop | found 3 days ago | Open this trip |
| 16 Apr 2027 | $100 | Korean Air | Jeju International Airport (CJU) → Gimpo International Airport (GMP) | nonstop | found 2 days ago | Open this trip |
| 21 Apr 2027 | $88 | Korean Air | Jeju International Airport (CJU) → Gimpo International Airport (GMP) | nonstop | found 2 days ago | Open this trip |
| 24 Apr 2027 | $103 | Korean Air | Jeju International Airport (CJU) → Gimpo International Airport (GMP) | nonstop | found 7 days ago | Open this trip |
| 27 Apr 2027 | $85 | Korean Air | Jeju International Airport (CJU) → Gimpo International Airport (GMP) | nonstop | found 3 days ago | Open this trip |
| 28 Apr 2027 | $85 | Korean Air | Jeju International Airport (CJU) → Gimpo International Airport (GMP) | nonstop | found 3 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $20.
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