Cheapest one-way flights from Oklahoma City to Istanbul in April from $505

AirHint found the following cheapest one-way flights from Oklahoma City (OKC) to Istanbul (IST) in April 2026 (see full year).

One-Way flights

14 Apr Lufthansa

Also check the deals for return flights from Oklahoma City to Istanbul in April.

Skyscanner

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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