AirHint found the following cheapest one-way flights from Manaus (MAO) to Santarem (STM) in September 2025 (see full year).

One-Way flights

23 Sep	Azul Airlines	direct
24 Sep	Azul Airlines	direct
25 Sep	Azul Airlines	direct
22 Sep	Azul Airlines	direct
09 Sep	Azul Airlines	direct
15 Sep	Azul Airlines	direct
28 Sep	Azul Airlines	direct
29 Sep	Azul Airlines	direct
02 Sep	Azul Airlines	direct
26 Sep	Azul Airlines	direct

Also check the deals for return flights from Manaus to Santarem in September.

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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Cheapest one-way flights from Manaus to Santarem in September from $73

One-Way flights