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

Return flights

24 Sep - 27 Sep	Ryanair
24 Sep - 30 Sep	Ryanair
21 Sep - 28 Sep	Ryanair	direct
24 Sep - 28 Sep	Ryanair	direct
25 Sep - 29 Sep	Ryanair
25 Sep - 28 Sep	Ryanair
21 Sep - 23 Sep	Ryanair
24 Sep - 25 Sep	Ryanair
25 Sep - 27 Sep	Ryanair
17 Sep - 22 Oct	Ryanair
21 Sep - 24 Sep	Ryanair
28 Sep - 03 Oct	Ryanair
28 Sep - 05 Oct	Ryanair
30 Sep - 06 Oct	Vueling Airlines
30 Sep - 02 Oct	Vueling Airlines
28 Sep - 05 Oct	Ryanair	direct
29 Sep - 05 Oct	Ryanair
29 Sep - 02 Oct	Vueling Airlines
17 Sep - 22 Oct	Ryanair	direct
29 Sep - 02 Oct	airBaltic	direct

Also check the deals for one-way flights from Barcelona 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 Barcelona to Riga in September from 121€

Return flights