Route guide

Seoul to Jiancheng (ICN-TFU): Nonstop Upgrade & Award Space

Air China, Asiana Airlines, and Sichuan Airlines fly nonstop between Seoul (ICN) and Jiancheng (TFU), roughly 21 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every ICN to TFU departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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21
Nonstop flights a week
1,351 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every ICN to TFU departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Seoul to Jiancheng to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each ICN to TFU departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See ICN to TFU on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seoul to Jiancheng nonstop

Carriers operating ICN to TFU nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Air China
  • Asiana Airlines
  • Sichuan Airlines
See ICN to TFU on the interactive map →

Frequently asked questions about ICN to TFU

How far is Jiancheng from Seoul?
ICN to TFU covers about 1,351 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from ICN to TFU?
Air China, Asiana Airlines, and Sichuan Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on all three of them.
How many flights a week are there from ICN to TFU?
About 21 nonstop flights a week run between Seoul and Jiancheng in the current schedule, operated by Air China, Asiana Airlines, and Sichuan Airlines. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on ICN to TFU?
Open the ICN to TFU calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Seoul to Jiancheng route, and 2LNR will notify you when space opens. It's free to start.

Never miss ICN to TFU upgrade or award space

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