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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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 $216
starting at $222
starting at $238
The route Heihe — Seoul is served by several airlines: China Eastern Airlines, China Southern Airlines, and Chengdu 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 $216 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 07/13/2026, is operated by China Eastern Airlines and costs $216
The cheapest roundtrip flight from Heihe to Seoul departs on 10/29/2026, is operated by China Southern Airlines and costs $391
Fastest flight from Heihe to Seoul takes 7h 55m
There are no direct flights on this route.
The distance between Heihe and Seoul is 1407km (872 miles). The average flight duration is 13h 57m. The time difference between Heihe and Seoul is 1h
Heihe’s airport (Heihe Aihui Airport, HEK) functions as a regional gateway rather than a major international hub, typically serving domestic routes and some seasonal cross-border flights to nearby Russia. Airlines operating here tend to be Chinese carriers and regional operators, with fares often seen as moderate compared with larger city airports but varying by season. The airport sits roughly 32–40 km from Heihe’s city center; road transfer by taxi or shuttle can take around 40–60 minutes depending on traffic, with fares generally modest. Pros: relatively small scale can mean quicker security and simpler navigation. Cons: fewer amenities and limited flight frequency compared with big urban airports.
Seoul is served chiefly by two airports with distinct roles. Incheon International (ICN) functions as the premium international hub, handling most long-haul and full-service carriers and often seen as the city’s main gateway; it lies about 48 km west of downtown and can take roughly 45–70 minutes by AREX train or 50–80 minutes by expressway shuttle, with fares typically ranging from moderate to higher depending on service. Gimpo Airport (GMP) operates as a more domestic and regional option, popular with low-cost and short-haul domestic flights as well as some international routes to nearby countries; it’s roughly 15 km from central Seoul and reachable in 20–35 minutes by subway or taxi for a lower fare. Pros: Incheon offers extensive facilities and international connectivity, while Gimpo is quicker for central access and often cheaper for short hops. Cons: Incheon’s distance can add transfer time and cost, whereas Gimpo has fewer long-haul options and smaller international amenities.
The cheapest flight ticket from Heihe to Seoul according to data for the last 48 hours costs $216
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: July, October, September.
The fastest flights from Heihe to Seoul start from 7 hours 55 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 $168 (July 2026), while the maximum is $291 (August 2026). On average, a ticket costs $232–$235.
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 July 2026 to August 2026 (+73%), then decline from August 2026 to October 2026 (19%). The cheapest tickets are in July 2026–August 2026 (averaging $230), while the priciest are in August 2026–September 2026 ($263).
For savings, plan your flight for July 2026–August 2026 — you could save up to 13%. Try to avoid August 2026–September 2026 when possible: prices are at their highest then.
Price spread on this route is 18.8%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.
We couldn't find any special offers for flights from Heihe to Seoul
