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

Return flights

22 May - 11 Jun	KLM
19 May - 09 Jun	KLM
05 May - 12 May	Finnair
08 May - 28 May	Etihad Airways
03 May - 10 May	Etihad Airways
05 May - 19 May	Finnair
01 May - 11 May	Finnair
01 May - 08 May	Finnair
01 May - 22 May	Finnair
06 May - 13 May	Finnair
20 May - 04 Jun	Finnair
13 May - 18 May	Finnair
13 May - 26 May	Finnair
28 May - 13 Jun	Finnair
30 May - 19 Jun	Austrian Airlines
20 May - 04 Jun	Singapore Airlines	direct
14 May - 02 Jun	Condor
24 May - 05 Jun	Ryanair
22 May - 11 Jun	Lufthansa	direct
19 May - 09 Jun	Lufthansa	direct

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to Singapore in May from $619

Return flights