Sapporo to Seoul Flights CTS → ICN

New Chitose Airport → Incheon International Airport

🇯🇵 Sapporo, JP → 🇰🇷 Seoul, KR

The Sapporo to Seoul route connects New Chitose Airport (CTS) in JP with Incheon International Airport (ICN) in KR. This short-haul flight covers approximately 885 miles (1424 km) with a typical flight time of 2h 48m. This route is served by 6 airlines: Eastarjet, Tway Air, Jin Air and others. AirportRoutes has tracked 5 daily flights on this route.

Departure Airport

New Chitose Airport

ICAO Code:
RJCC
IATA Code:
CTS
City:
🇯🇵 Sapporo
Country:
JP
Elevation:
82 ft

Destination Airport

Incheon International Airport

ICAO Code:
RKSI
IATA Code:
ICN
City:
🇰🇷 Seoul
Country:
KR
Elevation:
23 ft

6

Operators

5

Daily Flights

885

Miles

2h 48m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Eastarjet ESR ZE
Tway Air TWB TW
Jin Air JNA LJ
Korean Air KAL KE
Asiana AAR OZ
Jeju Air JJA 7C

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 4 11%
Tuesday 4 11%
Wednesday 5 14%
Thursday 3 8%
Friday 9 25%
Saturday 4 11%
Sunday 7 19%

Pattern Analysis

5 Daily Flights:
JNA304 TWB264 ESR624 KAL770 AAR173
Data Points: 36
API observations used to build this analysis
Weekdays: 25 flights
Weekend: 11 flights
Business Route More active on weekdays

All Flight Routes

6 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
Asiana
AAR / OZ
AAR173 A333 17:30 5:30 PM (Representative)
M T W T F S S
Jan 2, 2026 Active
Eastarjet
ESR / ZE
ESR624 B738 18:05 6:05 PM (Representative)
M T W T F S S
Feb 8, 2026 Active
Jeju Air
JJA / 7C
- B738 -
M T W T F S S
Oct 4, 2025 Active
Jin Air
JNA / LJ
JNA304 B738 17:45 5:45 PM (Representative)
M T W T F S S
Feb 8, 2026 Active
Korean Air
KAL / KE
KAL770 A21N 16:50 4:50 PM (Representative)
M T W T F S S
Dec 26, 2025 Active
Tway Air
TWB / TW
TWB264 A333 14:40 2:40 PM (Representative)
M T W T F S S
Feb 13, 2026 Active
Total Routes: 6
Active Routes: 6
Unique Airlines: 6
Aircraft Types: 6

Spotted Departure Times

Departure Time Operator ICAO IATA
14:40 2:40 PM Tway Air TWB TW
16:50 4:50 PM Korean Air KAL KE
17:30 5:30 PM Asiana AAR OZ
17:45 5:45 PM Jin Air JNA LJ
18:05 6:05 PM Eastarjet ESR ZE

Time Information

Times are shown in the departure airport's local timezone (RJCC - Asia/Tokyo).

Total Departure Times: 5
Time Range:
14:40 - 18:05
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.