Cheapest return flights from Seoul to Singapore in September from 143€

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

Return flights

09 Sep - 15 Sep Jeju Air direct
02 Sep - 08 Sep Jeju Air direct
10 Sep - 15 Sep Jeju Air direct
05 Sep - 08 Sep Jeju Air direct
19 Sep - 23 Sep Jeju Air direct
14 Sep - 27 Sep Jeju Air direct
04 Sep - 08 Sep Jeju Air direct
19 Sep - 29 Sep Jeju Air direct
11 Sep - 15 Sep Jeju Air direct
19 Sep - 27 Sep Jeju Air direct
28 Sep - 02 Oct Cebu Pacific
27 Sep - 02 Oct Philippines AirAsia Inc.
26 Sep - 02 Oct Philippines AirAsia Inc.
29 Sep - 02 Oct Philippines AirAsia Inc.
22 Sep - 02 Oct AirAsia X
25 Sep - 02 Oct Scoot Tigerair
27 Sep - 03 Oct Royal Brunei
27 Sep - 13 Oct Royal Brunei
30 Sep - 02 Oct Philippines AirAsia Inc.
22 Sep - 01 Oct AirAsia X

Also check the deals for one-way flights from Seoul to Singapore 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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