What is the cheapest month to fly from Heihe to Seoul?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Heihe (HEK) to Seoul (ICN), with fares starting from $151.

What is the lowest current fare from HEK to ICN?

The lowest currently-listed fare from Heihe (HEK) to Seoul (ICN) is $151 on 2026-08-31.

Is there a direct flight from Heihe to Seoul?

There is currently no non-stop service from HEK to ICN. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Heihe to Seoul

Cheapest current fares: $151 in August 2026 on connecting flights.

Last updated August 3, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Heihe (HEK) to Seoul (ICN). Refreshed daily.

Heihe (HEK) → Seoul (ICN)

August 2026 $151
September 2026 $156
October 2026 $178
November 2026 $223
December 2026 $232

Frequently asked questions

What is the cheapest month to fly from Heihe to Seoul?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Heihe (HEK) to Seoul (ICN), with fares starting from $151.
What is the lowest current fare from HEK to ICN?

The lowest currently-listed fare from Heihe (HEK) to Seoul (ICN) is $151 on 2026-08-31.
Is there a direct flight from Heihe to Seoul?

There is currently no non-stop service from HEK to ICN. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.