AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Istanbul (IST) in May 2026 (see full year).
Return flights
| 29 May - 06 Jun | Icelandair | ||
| 01 May - 09 May | American Airlines | ||
| 28 May - 04 Jun | Icelandair | ||
| 30 May - 06 Jun | Icelandair | ||
| 31 May - 30 Jun | Breeze Airways | ||
| 21 May - 25 May | KLM |
Also check the deals for one-way flights from Raleigh-durham to Istanbul in May.
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