AirHint found the following cheapest return flights from Istanbul (IST) to Singapore (SIN) in April 2026 (see full year).
Return flights
| 15 Apr - 22 Apr | IndiGo | ||
| 06 Apr - 13 Apr | Etihad Airways | ||
| 06 Apr - 16 Apr | Etihad Airways | ||
| 06 Apr - 13 Apr | Singapore Airlines | direct | |
| 06 Apr - 16 Apr | Turkish Airlines | direct | |
| 16 Apr - 20 Apr | Qatar Airways |
Also check the deals for one-way flights from Istanbul to Singapore in April.
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.
Find us on social media