Seoul Incheon (ICN)Tokyo Narita (NRT)
- non-stop flights:
- 30–38 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 
5 5 5 5 5 5 5 
3 3–6 3–6 3–6 3–6 3–6 3–4 
4 4–5 4 4 4 4 4 
4 3–4 3–4 4 4 4 4 
3–5 4–5 4 3 3 3 3 
3 3 3 2–3 3 3 3 
2–3 2–3 2–3 2–3 2–3 2–3 3 
2 2 2 2 2 2 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 
1 0 1 1 1 1 1 Seoul Incheon (ICN)Fukuoka (FUK)
- non-stop flights:
- 21–27 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 
3–5 3–6 3–6 3–6 2–5 3–6 3–4 
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 
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 $262number 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:
- 45–53 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 
8 8–9 8 8 8 8 8 
7–9 8–9 8 7–8 7 7 7 
5 5 5 5 5 5 5 
3 3–6 3–6 3–6 3–6 3–6 3–4 
4 3–4 3–4 4 4 4 4 
3 4 4 4 4 4 4 
3 3 3 3 3 3 3 
3 3 3 2–3 3 3 3 
2–3 2–3 2–3 2–3 2–3 2–3 3 
2 2 2 2 2 2 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 
1 0 1 1 1 1 1
Stops
- Direct flight
Departure airport
Destination airport
Airline
- Asiana Airlines
- Korean Air
- ANA All Nippon Airways
- Jin Air
- Jeju Air
Outbound weekday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
- Sunday