AirHint found the following cheapest return flights from Adelaide (ADL) to Singapore (SIN) in May 2026 (see full year).

Return flights

11 May - 18 May	Jetstar
05 May - 13 May	Jetstar
26 May - 03 Jun	Jetstar
14 May - 17 May	Jetstar
25 May - 03 Jun	Jetstar
03 May - 11 May	Jetstar
04 May - 08 May	Jetstar
16 May - 29 May	Indonesia AirAsia
11 May - 28 May	Jetstar
08 May - 22 May	Indonesia AirAsia
24 May - 04 Jun	Jetstar
30 May - 08 Jun	Jetstar
02 May - 11 May	Jetstar
21 May - 31 May	Jetstar
21 May - 02 Jun	Jetstar
22 May - 02 Jun	Indonesia AirAsia
29 May - 08 Jun	Jetstar
23 May - 02 Jun	Jetstar
27 May - 07 Jun	Indonesia AirAsia
28 May - 07 Jun	Jetstar

Also check the deals for one-way flights from Adelaide to Singapore in May.

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from Adelaide to Singapore in May from $403

Return flights