Seoul Incheon (ICN)Tokyo Narita (NRT)
- non-stop flights:
- 29–44 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $201number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
5–7 4–7 4–7 4–7 5–7 5–7 4–7 
4–5 4–5 4–5 4–5 4–5 4–5 4–5 
4–5 3–4 3–4 3–4 4–5 4–5 4–5 
3–5 3–5 3–5 3–5 3–5 3–5 3–5 
3 3 3 3–4 3 3 3 
3 3 3 3 3 3 3 
2–4 2–3 2–4 2–4 2–4 2–4 2–4 
2 2 2 2 2 2 2 
2 1–2 2 1–2 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 0 1 1 1 1 1 
0 1 1 1 1 1 1 
0 0 0 1 1 1 0 Seoul Incheon (ICN)Fukuoka (FUK)
- non-stop flights:
- 22–28 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $148number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
4–6 4–5 4–5 4–5 4–5 4–5 4–5 
5 4–5 4–5 4–5 5 4 4–5 
3–4 3–4 3–4 3–4 3–4 3–4 3–4 
3 3–4 3–4 3–4 3–4 3–4 3–4 
3 3 3 3 3 3 3 
1–3 1–3 1–3 1–3 1–3 1–3 1–3 
2 2 2 2 2 2 2 
2 2 2 2 2 2 2 Seoul - Gimpo International (GMP)Tokyo Haneda (HND)
- non-stop flights:
- 12 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $314number 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:
- 172–240 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $201number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
32–40 32–40 32–40 32–40 32–40 32–40 32–40 
28 28 28 28 28 28 28 
20–28 16–28 16–28 16–28 20–28 20–28 16–28 
16–20 12–16 12–16 12–16 16–20 16–20 16–20 
12–20 12–20 12–20 12–20 12–20 12–20 12–20 
12 16 16 16 16 16 16 
12 12 12 12–16 12–16 12–16 12 
12 12 12 12–16 12 12 12 
8–16 8–12 8–16 8–16 8–16 8–16 8–16 
8 8 8 8 8 8 8 
8 4–8 8 4–8 8 8 8 
4–8 4–8 4–8 4–8 4–8 4–8 4–8 
4–8 4–8 4–8 4–8 4–8 4–8 4–8 
4–8 4–8 4–8 4–8 4–8 4–8 4–8 
4 0 4 4 4 4 4
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