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

Return flights

19 Sep - 26 Sep	Ryanair
01 Sep - 08 Sep	Norwegian Air Sweden AOC
01 Sep - 12 Sep	Norwegian Air Sweden AOC
26 Sep - 03 Oct	Ryanair
22 Sep - 26 Sep	Norwegian Air Sweden AOC
27 Sep - 03 Oct	Ryanair
15 Sep - 19 Sep	airBaltic	direct
15 Sep - 19 Sep	Norwegian Air Sweden AOC
22 Sep - 29 Sep	Norwegian Air Sweden AOC
25 Sep - 29 Sep	airBaltic
05 Sep - 08 Sep	Ryanair
15 Sep - 22 Sep	airBaltic
26 Sep - 03 Oct	airBaltic	direct
22 Sep - 12 Oct	Norwegian Air Sweden AOC

Also check the deals for one-way flights from Riga to Split 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 Split

Cheap car rent in Split

Cheapest return flights from Riga to Split in September from 186€

Return flights