Seoul Incheon (ICN)Tokyo Narita (NRT)
- non-stop flights:
- 28–40 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $169number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
6–8 5–7 5–7 4–6 4–6 5–7 5–7 
4–6 2–6 2–6 2–6 4–7 4–7 4–7 
4 4 4 4 4 4 4 
2–4 2–4 2–4 2–4 2–4 2–4 3–4 
3 3 3 3 3 3 3 
3 3 3 3 3 3 3 
3 3 3 3 3 3 3 
2 2 2 2 2 2 2 
2 1–2 2 2 2 1–2 2 
1–2 1 1 1–2 2 1–2 1–2 
1–2 1–2 1–2 1–2 1 1 1 
1 0 1 1 1 1 1 
0 1 1 1 1 1 1 Seoul Incheon (ICN)Fukuoka (FUK)
- non-stop flights:
- 24–25 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $129number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
4 4 4 4 4 4 4 
4 4 4 4 4 4 4 
3–4 3–4 3–4 3–4 3–4 3–4 3–4 
3 3 3 3 3 3 3 
3 3 3 3 3 3 3 
3 3 3 3 3 3 3 
2 2 2 2 2 2 2 
2 2 2 2 2 2 2