AirHint found the following cheapest return flights from Oklahoma City (OKC) to Istanbul (IST) in December 2025 (see full year).
Return flights
| 10 Dec - 07 Jan | Delta | ||
| 06 Dec - 29 Dec | Delta | ||
| 05 Dec - 29 Dec | Delta | ||
| 09 Dec - 29 Dec | Delta | ||
| 13 Dec - 07 Jan | Delta | ||
| 12 Dec - 06 Jan | Delta | ||
| 11 Dec - 03 Jan | Delta |
Also check the deals for one-way flights from Oklahoma City 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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