Cheapest return flights from Istanbul to Singapore in December from 866€

Best time to book flights for Istanbul (IST) to Singapore (SIN) flights at AirHint

AirHint found the following cheapest return flights from Istanbul (IST) to Singapore (SIN) in December 2025 (see full year).

Return flights

01 Dec - 15 Dec Thai Airways
15 Dec - 28 Dec Thai Airways
01 Dec - 15 Dec Turkish Airlines direct
15 Dec - 28 Dec Turkish Airlines direct
17 Dec - 20 Dec Turkish Airlines direct
01 Dec - 17 Dec Lufthansa

Also check the deals for one-way flights from Istanbul to Singapore in December.

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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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