Seoul - Gimpo International (GMP)Jeju (CJU)
- non-stop flights:
- 107–128 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $80number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
23–25 24–25 22–25 24–25 22–25 24 22–25 
20–27 20–27 20–27 20–27 20–27 20–27 20–27 
21–22 18 21–22 21 21–23 18–19 21–22 
15–21 14–19 15–21 14–19 15–21 14–19 15–21 
12–13 13–15 12–13 14–15 13 15 12–13 
6–7 8–9 7–8 6–7 7–8 7–8 6–7 
6 6 6 6 6 6 6 
4 4 4 4 4 4 4 
1 1 1 1 1 1 1 Seoul Incheon (ICN)Jeju (CJU)
- non-stop flights:
- 2–24 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $410number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 1–10 1–7 2–7 1–11 2–5 1–4 1–3 3–4 3–5 2–5 1–13 2–4 3 1–5 Seoul (SEL)Jeju (CJU)
- non-stop flights:
- 107–148 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $80number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 23–33 24–31 22–29 24–35 22–27 24–28 22–25 20–31 20–32 20–32 20–40 20–31 20–30 20–32 21–22 18 21–22 21 21–23 18–19 21–22 15–21 14–19 15–21 14–19 15–21 14–19 15–21 12–13 13–15 12–13 14–15 13 15 12–13 6–7 8–9 7–8 6–7 7–8 7–8 6–7 6 6 6 6 6 6 6 4 4 4 4 4 4 4 1 1 1 1 1 1 1
