Route guide

Seoul to Hangzhou (ICN-HGH): Nonstop Upgrade & Award Space

China Eastern Airlines, Asiana Airlines, Air China, and Korean Air fly nonstop between Seoul (ICN) and Hangzhou (HGH), roughly 24 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 HGH 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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24
Nonstop flights a week
607 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every ICN to HGH 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 Hangzhou 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 HGH 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 HGH on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seoul to Hangzhou nonstop

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

  • China Eastern Airlines
  • Asiana Airlines
  • Air China
  • Korean Air
See ICN to HGH on the interactive map →

Frequently asked questions about ICN to HGH

How far is Hangzhou from Seoul?
ICN to HGH covers about 607 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 HGH?
China Eastern Airlines, Asiana Airlines, Air China, and Korean Air fly the route nonstop. 2LNR tracks confirmed upgrade and award space on all four of them.
How many flights a week are there from ICN to HGH?
About 24 nonstop flights a week run between Seoul and Hangzhou in the current schedule, operated by China Eastern Airlines, Asiana Airlines, Air China, and Korean Air. 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 HGH?
Open the ICN to HGH calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Seoul to Hangzhou route, and 2LNR will notify you when space opens. It's free to start.

Never miss ICN to HGH upgrade or award space

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