Cheapest return flights from Seoul to Singapore in April from $522

AirHint found the following cheapest return flights from Seoul (GMP) to Singapore (SIN) in April 2026 (see full year).

Return flights

16 Apr - 19 Apr Air China
10 Apr - 13 Apr Air China
15 Apr - 22 Apr Air China
15 Apr - 19 Apr Air China
02 Apr - 05 Apr Air China
02 Apr - 09 Apr Air China
24 Apr - 26 Apr Air China
14 Apr - 17 Apr Air China
04 Apr - 07 Apr Air China
13 Apr - 17 Apr Air China
30 Apr - 03 May Air China
30 Apr - 04 May Air China

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

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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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