AirHint found the following cheapest one-way flights from Riga (RIX) to Amsterdam (AMS) in September 2025 (see full year).

One-Way flights

09 Sep	Norwegian Air Sweden AOC
30 Sep	Norwegian Air Sweden AOC
16 Sep	Norwegian Air Sweden AOC
19 Sep	Norwegian Air Sweden AOC
05 Sep	airBaltic	direct
03 Sep	airBaltic	direct
18 Sep	airBaltic	direct
02 Sep	airBaltic	direct
13 Sep	airBaltic	direct
17 Sep	airBaltic	direct

Also check the deals for return flights from Riga to Amsterdam 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 Riga to Amsterdam in September from $72

One-Way flights