AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Istanbul (IST) in December 2025 (see full year).
Return flights
| 03 Dec - 10 Dec | Spirit Airlines | ||
| 22 Dec - 01 Jan | KLM | ||
| 20 Dec - 06 Jan | Frontier Airlines | ||
| 19 Dec - 03 Jan | Icelandair | ||
| 04 Dec - 07 Dec | Emirates |
Also check the deals for one-way flights from Raleigh-durham to Istanbul in December.
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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