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

Return flights

13 Sep - 23 Sep	Ryanair
07 Sep - 09 Sep	Ryanair
13 Sep - 16 Sep	Ryanair
28 Sep - 05 Oct	Ryanair
07 Sep - 10 Sep	Ryanair
13 Sep - 04 Oct	Ryanair
14 Sep - 05 Oct	Ryanair
27 Sep - 04 Oct	airBaltic
03 Sep - 10 Sep	Norwegian Air Sweden AOC
16 Sep - 23 Sep	Ryanair
02 Sep - 09 Sep	Ryanair
13 Sep - 20 Sep	Ryanair
06 Sep - 09 Sep	Ryanair
02 Sep - 06 Sep	Ryanair
24 Sep - 01 Oct	Lufthansa
29 Sep - 05 Oct	airBaltic
30 Sep - 07 Oct	Lufthansa
30 Sep - 07 Oct	airBaltic	direct
13 Sep - 04 Oct	airBaltic	direct
27 Sep - 04 Oct	airBaltic	direct

Also check the deals for one-way flights from Riga to Dubrovnik 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 Dubrovnik in September from $139

Return flights