Seoul Incheon (ICN)Tokyo Narita (NRT)
- non-stop flights:
- 30–42 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $112number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
4–7 4–6 4–6 4–6 4–7 4–6 4–6 
4–5 4–5 4–5 4–5 4–5 4–5 4–5 
3–5 2–6 2–6 2–6 3–6 3–6 3–6 
3–4 3–4 3–4 3–4 3–4 3–4 3–4 
3–4 3 3–4 3–4 3–4 3 3–4 
3 4 4 3 3 3 3 
2–3 2–3 2–3 2–3 2–3 2–3 2–3 
2 2 2 2 2 2 2 
2 1 2 1 2 2 2 
1 2 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 
0 1 1 1 1 1 1 
0 1 1 1 1 1 0 Seoul Incheon (ICN)Fukuoka (FUK)
- non-stop flights:
- 23–30 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $160number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
4 4–5 4 4 4–5 4–5 4–5 
3–5 3–5 3–5 3–5 3–6 3–6 3–6 
3–4 3–4 3–4 3–4 3–4 3–4 3–4 
3 3–4 3 3–4 3 3–4 3 
3 3 3 3 3–4 3–4 3–4 
3 3 3 3 3 3 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 $208number 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:
- 45–58 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $112number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
9–10 9–10 9–10 9–10 9–10 9–10 9–10 
7 8 8 7 7 7 7 
4–7 4–6 4–6 4–6 4–7 4–6 4–6 
3–5 2–6 2–6 2–6 3–6 3–6 3–6 
3 4 4 4 4 4 4 
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 
3–4 3 3–4 3–4 3–4 3 3–4 
2–3 2–3 2–3 2–3 2–3 2–3 2–3 
2 2 2 2 2 2 2 
2 1 2 1 2 2 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 1 1 1 1 
1 0 1 1 1 1 1
Stops
- Direct flight
Departure airport
Destination airport
Airline
- Korean Air
- Asiana Airlines
- Japan Airlines
- ANA All Nippon Airways
- Jin Air
Outbound weekday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
- Sunday