AirHint found the following cheapest return flights from Seoul (ICN) to Singapore (SIN)
in September 2025 (see full year ).
Return flights
02 Sep
- 10 Sep
AirAsia X
$ 209
23 Sep
- 26 Sep
AirAsia X
$ 210
25 Sep
- 26 Sep
AirAsia X
$ 210
02 Sep
- 22 Sep
AirAsia X
$ 210
05 Sep
- 10 Sep
Scoot Tigerair
$ 213
direct
12 Sep
- 15 Sep
Scoot Tigerair
$ 219
direct
23 Sep
- 23 Sep
AirAsia X
$ 219
24 Sep
- 29 Sep
Scoot Tigerair
$ 219
direct
12 Sep
- 19 Sep
Scoot Tigerair
$ 219
direct
07 Sep
- 13 Sep
Vietnam Airlines
$ 221
27 Sep
- 03 Oct
Vietnam Airlines
$ 221
29 Sep
- 02 Oct
Vietnam Airlines
$ 221
27 Sep
- 14 Oct
Vietnam Airlines
$ 221
23 Sep
- 03 Oct
Vietnam Airlines
$ 223
30 Sep
- 13 Oct
Vietnam Airlines
$ 228
30 Sep
- 02 Oct
Vietnam Airlines
$ 228
30 Sep
- 03 Oct
Vietnam Airlines
$ 229
27 Sep
- 06 Oct
Royal Brunei
$ 264
30 Sep
- 06 Oct
Royal Brunei
$ 264
25 Sep
- 15 Oct
AirAsia X
$ 267
Also check the deals for one-way flights from Seoul to Singapore in September .
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.