There are most likely no direct flights on the Heihe — Seoul route
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A non-stop flight is the most convenient and comfortable way to fly from Heihe to Seoul, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
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There are most likely no direct flights on the Heihe — Seoul route
There appear to be no non-stop flights from Heihe to Seoul at this time.... Well, or something went wrong on our side and we couldn't find anything
starting at $185
starting at $241
The route Heihe — Seoul is served by several airlines: China Southern Airlines and China Eastern Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $185 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
The cheapest one-way flight from Heihe to Seoul departs on 06/23/2026, is operated by China Southern Airlines and costs $185
The cheapest roundtrip flight from Heihe to Seoul departs on 06/16/2026, is operated by China Southern Airlines and costs $370
Fastest flight from Heihe to Seoul takes 8h 5m
There are no direct flights on this route.
The distance between Heihe and Seoul is 1407km (872 miles). The average flight duration is 21h 40m. The time difference between Heihe and Seoul is 1h
The cheapest flight ticket from Heihe to Seoul according to data for the last 48 hours costs $185
Often the best time to buy tickets from Heihe to Seoul is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Heihe to Seoul can be found flying in these months: June, October, September.
The fastest flights from Heihe to Seoul start from 8 hours 5 minutes in the air.
The following airlines operate direct flights on the route Heihe — Seoul:
The minimum one-way ticket price from Heihe to Seoul is $185 (June 2026), while the maximum is $258 (July 2026). On average, a ticket costs $231–$253.
Flight costs from Heihe to Seoul climb toward the middle of the period, then start to drop. By choosing the right dates, you can save noticeably.
Prices rise from June 2026 to September 2026 (+37%), then decline from September 2026 to October 2026 (9%). The cheapest tickets are in June 2026–July 2026 (averaging $222), while the priciest are in July 2026–September 2026 ($256).
For savings, plan your flight for June 2026–July 2026 — you could save up to 13%. Try to avoid July 2026–September 2026 when possible: prices are at their highest then.
Price spread on this route is 12.5%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.
