AirHint found the following cheapest return flights from Bucharest (OTP) to Singapore (SIN) in October 2025 (see full year).

Return flights

17 Oct - 24 Oct	Pegasus Airlines
27 Oct - 03 Nov	British Airways
04 Oct - 17 Oct	Pegasus Airlines
09 Oct - 24 Oct	Wizz Air Malta
01 Oct - 08 Oct	Turkish Airlines
03 Oct - 15 Nov	Turkish Airlines
04 Oct - 18 Nov	Turkish Airlines
13 Oct - 20 Oct	flydubai
25 Oct - 01 Nov	Ryanair
03 Oct - 06 Oct	Turkish Airlines
01 Oct - 09 Oct	Wizz Air Malta
03 Oct - 17 Oct	Turkish Airlines
09 Oct - 25 Oct	Air France
12 Oct - 29 Oct	flydubai

Also check the deals for one-way flights from Bucharest to Singapore in October.

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 Bucharest to Singapore in October from $647

Return flights