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

Return flights

21 Apr - 14 May	Air India	direct
02 Apr - 09 Apr	Air India	direct
01 Apr - 06 Apr	Air India	direct
15 Apr - 23 Apr	Air India	direct
16 Apr - 21 Apr	Air India	direct
09 Apr - 16 Apr	Air India	direct
09 Apr - 15 Apr	Air India	direct
15 Apr - 21 Apr	Air India	direct
13 Apr - 16 Apr	Air India	direct
08 Apr - 14 Apr	Air India	direct
02 Apr - 08 Apr	Air India	direct
30 Apr - 18 May	Air India	direct
01 Apr - 31 May	Air India	direct

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

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 Delhi to Singapore in April from 156€

Return flights