Cheapest return flights from Seoul to Singapore in September from 154€

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

Return flights

13 Sep - 17 Sep Vietnam Airlines
24 Sep - 26 Sep Vietnam Airlines
12 Sep - 14 Sep Vietnam Airlines
11 Sep - 14 Sep Vietnam Airlines
08 Sep - 11 Sep Vietnam Airlines
04 Sep - 09 Sep Jeju Air direct
12 Sep - 17 Sep Jeju Air direct
16 Sep - 18 Sep Jeju Air direct
05 Sep - 10 Sep Jeju Air direct
02 Sep - 09 Sep Jeju Air direct
25 Sep - 02 Oct Vietnam Airlines
24 Sep - 01 Oct Scoot Tigerair direct
25 Sep - 02 Oct Jeju Air direct
24 Sep - 04 Oct AirAsia X
30 Sep - 03 Oct Royal Brunei
30 Sep - 13 Oct Royal Brunei
27 Sep - 07 Oct Royal Brunei
24 Sep - 13 Oct AirAsia X
22 Sep - 03 Oct Philippines AirAsia Inc.
24 Sep - 03 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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