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Open-data sketch · Verify independently · Baseline July 2026

Routr
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Nonstop checker

Direct nonstop flight: Seoul (ICN) → Hokkaido (CTS)

Instant answer from weekly open route data — not live airline inventory.

Open route data (weekly)

YES — NONSTOP IN OPEN DATA

Weekly open route snapshot lists scheduled nonstop service: Asiana Airlines, Eastar Jet, Jeju Air, Jin Air, Korean Air, T´Way Air +1 more.

Carriers: Asiana Airlines, Eastar Jet, Jeju Air, Jin Air, Korean Air, T´Way Air +1 more

Open route atlas brief
Open route data (weekly)

YES — NONSTOP IN OPEN DATA

Weekly open route snapshot lists scheduled nonstop service: Asiana Airlines, Eastar Jet, Jeju Air, Jin Air, Korean Air, T´Way Air +1 more.

Route
ICN → CTS
Block time (open data)
2h 45m
Distance
1,424 km
Snapshot date
2026-07-04T23:05:51.436Z · airline-route-data

Carriers in open data (7)

  • Asiana AirlinesOZ · 744 73H 333 772
  • Eastar JetZE · 744 73H 333 772
  • Jeju Air7C · 744 73H 333 772
  • Jin AirLJ · 744 73H 333 772
  • Korean AirKE · 744 73H 333 772
  • T´Way AirTW · 744 73H 333 772
  • Thai SmileWE · 744 73H 333 772
Open route atlas brief

Weekly open route data snapshot — not live airline inventory. Always verify with the carrier before booking.

Open full route atlas brief →All nonstops from Seoul