AirHint found the following cheapest one-way flights from Hong Kong (HKG) to Seoul (ICN) in April 2026 (see full year).

One-Way flights

17 Apr	HK Express	direct
09 Apr	HK Express	direct
10 Apr	HK Express	direct
03 Apr	EVA Air
05 Apr	China Airlines
04 Apr	China Airlines
02 Apr	HK Express	direct
06 Apr	China Airlines
11 Apr	China Airlines
01 Apr	HK Express	direct

Also check the deals for return flights from Hong Kong to Seoul in April.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest one-way flights from Hong Kong to Seoul in April from $142

One-Way flights