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

Return flights

24 Sep - 08 Oct	Ryanair
24 Sep - 29 Sep	Ryanair
24 Sep - 26 Sep	Ryanair
23 Sep - 08 Oct	Ryanair
16 Sep - 01 Oct	Ryanair
30 Sep - 07 Oct	Ryanair
24 Sep - 28 Sep	Ryanair
30 Sep - 03 Oct	Ryanair
23 Sep - 01 Oct	Ryanair
23 Sep - 30 Sep	Ryanair
26 Sep - 08 Oct	Norwegian Air Sweden AOC
22 Sep - 08 Oct	Aer Lingus
17 Sep - 24 Sep	Ryanair
16 Sep - 29 Sep	Ryanair
23 Sep - 25 Sep	Ryanair
28 Sep - 01 Oct	easyJet
26 Sep - 03 Oct	Transavia France
25 Sep - 30 Sep	easyJet
21 Sep - 30 Sep	easyJet
28 Sep - 30 Sep	easyJet

Also check the deals for one-way flights from Amsterdam to Riga 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 Amsterdam to Riga in September from 145€

Return flights