Route guide

Seoul to Hanoi (ICN-HAN): Nonstop Upgrade & Award Space

Korean Air, Hahn Air Systems, Vietnam Airlines, Asiana Airlines, and Jatayu Airlines fly nonstop between Seoul (ICN) and Hanoi (HAN), roughly 89 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 HAN 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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89
Nonstop flights a week
1,667 mi
Nonstop distance
Free
To get started

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

Airlines flying Seoul to Hanoi nonstop

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

  • Korean Air
  • Hahn Air Systems
  • Vietnam Airlines
  • Asiana Airlines
  • Jatayu Airlines
See ICN to HAN on the interactive map →

Frequently asked questions about ICN to HAN

How far is Hanoi from Seoul?
ICN to HAN covers about 1,667 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 HAN?
Korean Air, Hahn Air Systems, Vietnam Airlines, Asiana Airlines, and Jatayu Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on each of them.
How many flights a week are there from ICN to HAN?
About 89 nonstop flights a week run between Seoul and Hanoi in the current schedule, operated by Korean Air, Hahn Air Systems, Vietnam Airlines, Asiana Airlines, and Jatayu 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 HAN?
Open the ICN to HAN calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Seoul to Hanoi route, and 2LNR will notify you when space opens. It's free to start.

Never miss ICN to HAN upgrade or award space

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