Cheapest return flights from Seoul to Knokke in September from $285

AirHint found the following cheapest return flights from Seoul (ICN) to Knokke (KNO) in September 2025 (see full year).

Return flights

08 Sep - 29 Sep AirAsia X
08 Sep - 23 Sep AirAsia X
08 Sep - 26 Sep AirAsia X
24 Sep - 29 Sep Thai AirAsia X
24 Sep - 26 Sep Thai AirAsia X
24 Sep - 30 Sep Thai AirAsia X
26 Sep - 30 Sep Thai AirAsia X
14 Sep - 29 Sep Thai AirAsia X
14 Sep - 23 Sep Thai AirAsia X
14 Sep - 26 Sep Thai AirAsia X
24 Sep - 02 Oct Thai AirAsia X
24 Sep - 01 Oct Thai AirAsia X
26 Sep - 02 Oct Thai AirAsia X
26 Sep - 01 Oct Thai AirAsia X
14 Sep - 02 Oct Thai AirAsia X
14 Sep - 01 Oct Thai AirAsia X
23 Sep - 02 Oct AirAsia X
23 Sep - 01 Oct AirAsia X
22 Sep - 02 Oct AirAsia X
22 Sep - 01 Oct AirAsia X

Also check the deals for one-way flights from Seoul to Knokke in September.

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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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