Seoul Incheon (ICN)Tokyo Narita (NRT)
- non-stop flights:
- 32–46 per day
- flight duration:
- at least
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
from $66number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
6–8 5–6 6 5–6 6–7 5–6 5–6 
3–4 3–6 3–6 3–6 3–6 3–6 3–4 
4 4 4 4 4 4 4 
2–4 2–6 2–5 2–5 2–6 2–6 2–6 
3–5 4–5 4 3 3 3 3 
3–4 3 3–4 2–4 3–4 3 3–4 
3 3 3 3 3 3 3 
2 2 2 2 2 2 2 
2 1 2 1 2 2 2 
1–2 1–2 1–2 1–2 1–2 1–2 1–2 
1–2 1–2 1–2 1–2 1–2 1–2 1–2 
1 1 1 1 1 1 1 
1 1 1 1 1 1 1 
1 0 1 1 1 1 1 
0 1 1 1 1 1 1 
0 1 1 1 1 1 0 Seoul Incheon (ICN)Fukuoka (FUK)
- non-stop flights:
- 21–34 per day
- flight duration:
- at least
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
from $88number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
3–6 2–6 3–7 3–6 3–5 3–6 3–6 
4 4–5 4–5 4–5 4–5 4–5 4–5 
3 3 3–6 3–6 2–6 3–6 3 
3 3–5 3–5 3–5 3–5 3–4 3–4 
3–4 3–4 3–4 3–4 3–4 3–4 3–4 
3 3 3 3 3 3 3 
2 2 2 2 2 2 2 
1–2 1–2 1–2 1–2 1–2 1–2 1–2 Seoul - Gimpo International (GMP)Tokyo Haneda (HND)
- non-stop flights:
- 12 per day
- flight duration:
- at least
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
from $283number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
3 3 3 3 3 3 3 
3 3 3 3 3 3 3 
3 3 3 3 3 3 3 
3 3 3 3 3 3 3 Seoul (SEL)Tokyo (TYO)
- non-stop flights:
- 47–62 per day
- flight duration:
- at least
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
from $66number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
9 9 9 9 9 9 9 
7–10 8–10 8 7–8 7 7 7 
6–8 5–6 6 5–6 6–7 5–6 5–6 
3–4 3–6 3–6 3–6 3–6 3–6 3–4 
3 4 4 4 4 4 4 
2–4 2–6 2–5 2–5 2–6 2–6 2–6 
3 3–4 3–4 3–4 3–4 3–4 3 
3–4 3 3–4 2–4 3–4 3 3–4 
3 3 3 3 3 3 3 
2 2 2 2 2 2 2 
2 1 2 1 2 2 2 
1–2 1–2 1–2 1–2 1–2 1–2 1–2 
1–2 1–2 1–2 1–2 1–2 1–2 1–2 
1 1 1 1 1 1 1 
1 1 1 1 1 1 1 
1 1 1 1 1 1 1 
1 0 1 1 1 1 1
Stops
- Direct flight
Departure airport
Destination airport
Airline
- Asiana Airlines
- Korean Air
- ANA All Nippon Airways
- Japan Airlines
- Jin Air
Outbound weekday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
- Sunday