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

Return flights

27 Sep - 04 Oct	LOT
25 Sep - 29 Sep	LOT
22 Sep - 30 Sep	LOT
25 Sep - 27 Sep	LOT
24 Sep - 29 Sep	LOT
27 Sep - 06 Oct	LOT
30 Sep - 07 Oct	Norwegian Air Sweden AOC
30 Sep - 06 Oct	LOT
24 Sep - 27 Sep	LOT
29 Sep - 02 Oct	LOT
29 Sep - 03 Oct	LOT
22 Sep - 27 Sep	LOT
23 Sep - 07 Oct	LOT
30 Sep - 07 Oct	airBaltic	direct
29 Sep - 01 Oct	LOT
20 Sep - 23 Sep	LOT
20 Sep - 22 Sep	LOT
25 Sep - 29 Sep	airBaltic	direct
25 Sep - 30 Sep	airBaltic	direct
30 Sep - 04 Oct	airBaltic	direct

Also check the deals for one-way flights from Munich 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 Munich to Riga in September from 210€

Return flights