AirHint found the following cheapest return flights from Hanoi (HAN) to Istanbul (IST) in January 2026 (see full year).
Return flights
| 24 Jan - 31 Jan | IndiGo | ||
| 21 Jan - 07 Feb | IndiGo | ||
| 14 Jan - 28 Jan | IndiGo | ||
| 14 Jan - 28 Jan | Turkish Airlines | direct | |
| 24 Jan - 31 Jan | Turkish Airlines | direct |
Also check the deals for one-way flights from Hanoi to Istanbul in January.
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