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

Return flights

25 May - 29 May	Singapore Airlines	direct
06 May - 12 May	Indonesia AirAsia
06 May - 09 May	Indonesia AirAsia
06 May - 14 May	Indonesia AirAsia
13 May - 14 May	Indonesia AirAsia
04 May - 12 May	Indonesia AirAsia
04 May - 09 May	Indonesia AirAsia
13 May - 29 May	Indonesia AirAsia
15 May - 29 May	Indonesia AirAsia
04 May - 14 May	Indonesia AirAsia
15 May - 04 Jun	Indonesia AirAsia
25 May - 04 Jun	Indonesia AirAsia
30 May - 04 Jun	Indonesia AirAsia

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

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Cheapest return flights from Surabaya to Singapore in May from $153

Return flights