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

Return flights

26 Sep - 30 Sep	Ryanair
16 Sep - 23 Sep	Ryanair
23 Sep - 29 Sep	Ryanair
24 Sep - 28 Sep	Ryanair
19 Sep - 22 Sep	Ryanair
30 Sep - 05 Oct	Ryanair
17 Sep - 20 Sep	Ryanair
16 Sep - 20 Sep	Ryanair
03 Sep - 09 Sep	Ryanair
13 Sep - 22 Sep	Ryanair
22 Sep - 28 Sep	Ryanair
21 Sep - 21 Oct	Lufthansa
28 Sep - 02 Oct	Ryanair
30 Sep - 05 Oct	airBaltic	direct
28 Sep - 02 Oct	airBaltic	direct
21 Sep - 21 Oct	airBaltic	direct

Also check the deals for one-way flights from Madrid 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.

Book a cheap hotel in Riga

Cheap car rent in Riga

Cheapest return flights from Madrid to Riga in September from 141€

Return flights