- Tokyo Narita (NRT)Seoul Incheon (ICN)- non-stop flights:
- 30–41 per day
- flight duration:
- at least
 - Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
 from $118- number of non-stop flights per airline and day of the week - Sun - Mon - Tue - Wed - Thu - Fri - Sat  - 5 - 4–5 - 4 - 4 - 5 - 5 - 4–5  - 3–6 - 3–6 - 3–6 - 3–6 - 3–6 - 3–6 - 3–6  - 4–5 - 4 - 4–5 - 4 - 4–5 - 4–5 - 4–5  - 4 - 3–4 - 3–4 - 4 - 4 - 4–7 - 4–7  - 3 - 5–6 - 4–5 - 3–4 - 3–4 - 3 - 3  - 3 - 3 - 3 - 2–3 - 3 - 3 - 3  - 2–3 - 2–3 - 2–3 - 2–3 - 2–3 - 2–3 - 2–3  - 2 - 2 - 2 - 2 - 2 - 2 - 2  - 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 
- Tokyo Haneda (HND)Seoul - Gimpo International (GMP)- non-stop flights:
- 12 per day
- flight duration:
- at least
 - Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
 from $299- number 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 
- Tokyo (TYO)Seoul (SEL)- non-stop flights:
- 45–56 per day
- flight duration:
- at least
 - Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
 from $118- number of non-stop flights per airline and day of the week - Sun - Mon - Tue - Wed - Thu - Fri - Sat  - 8–9 - 8 - 8–9 - 8 - 8–9 - 8–9 - 8–9  - 7 - 9–10 - 8–9 - 7–8 - 7–8 - 7 - 7  - 5 - 4–5 - 4 - 4 - 5 - 5 - 4–5  - 3–6 - 3–6 - 3–6 - 3–6 - 3–6 - 3–6 - 3–6  - 4 - 3–4 - 3–4 - 4 - 4 - 4–7 - 4–7  - 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 - 2–3  - 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
-  Lufthansa
-  Ethiopian Airlines
Outbound weekday
 -  Monday
-  Tuesday
-  Wednesday
-  Thursday
-  Friday
-  Saturday
-  Sunday