Cheapest one-way flights from Santarem to Istanbul in April from $767

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

One-Way flights

16 Apr GOL Linhas Aéreas

Also check the deals for return flights from Santarem 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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