AirHint found the following cheapest one-way flights from Alicante (ALC) to Riga (RIX) in September 2025 (see full year).

One-Way flights

05 Sep	Norwegian Air Sweden AOC
13 Sep	Norwegian Air Sweden AOC	direct
02 Sep	Norwegian Air Sweden AOC	direct
09 Sep	Norwegian Air Sweden AOC	direct
06 Sep	Norwegian Air Sweden AOC	direct
01 Sep	Norwegian Air Sweden AOC
04 Sep	Ryanair
17 Sep	Ryanair
03 Sep	Norwegian Air Sweden AOC
18 Sep	Norwegian Air Sweden AOC

Also check the deals for return flights from Alicante 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 one-way flights from Alicante to Riga in September from 56€

One-Way flights