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

Return flights

27 Sep - 04 Oct	AirAsia
18 Sep - 25 Sep	AirAsia
30 Sep - 02 Oct	AirAsia
30 Sep - 20 Oct	AirAsia
30 Sep - 12 Oct	AirAsia
30 Sep - 04 Oct	AirAsia
18 Sep - 02 Oct	AirAsia
18 Sep - 29 Sep	AirAsia
30 Sep - 03 Oct	AirAsia
18 Sep - 04 Oct	AirAsia
30 Sep - 11 Oct	AirAsia
30 Sep - 07 Oct	AirAsia
24 Sep - 29 Sep	Thai AirAsia
20 Sep - 29 Sep	AirAsia
18 Sep - 28 Sep	AirAsia
25 Sep - 29 Sep	Air India Express
24 Sep - 28 Sep	Thai AirAsia
20 Sep - 28 Sep	AirAsia
28 Sep - 29 Sep	Air India Express
25 Sep - 28 Sep	Air India Express

Also check the deals for one-way flights from Lucknow 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.

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Cheapest return flights from Lucknow to Singapore in September from 194€

Return flights