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

Return flights

01 Sep - 04 Sep	airBaltic
16 Sep - 23 Sep	Norwegian Air Sweden AOC
19 Sep - 20 Sep	Norwegian Air Sweden AOC
16 Sep - 20 Sep	Ryanair
01 Sep - 03 Sep	airBaltic
16 Sep - 17 Sep	Norwegian Air Sweden AOC
02 Sep - 03 Sep	Ryanair
12 Sep - 14 Sep	airBaltic
26 Sep - 07 Oct	Norwegian Air Sweden AOC
14 Sep - 17 Sep	airBaltic
01 Sep - 08 Sep	airBaltic
11 Sep - 02 Oct	airBaltic	direct

Also check the deals for one-way 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 return flights from Riga to Amsterdam in September from 141€

Return flights