Cheapest return flights from Riga to Istanbul in September from $154

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

Return flights

02 Sep - 07 Sep Norwegian Air Sweden AOC
30 Sep - 07 Oct Norwegian Air Sweden AOC
01 Sep - 05 Sep Norwegian Air Sweden AOC
02 Sep - 11 Sep Norwegian Air Sweden AOC
12 Sep - 17 Sep Norwegian Air Sweden AOC
14 Sep - 21 Sep Ryanair
19 Sep - 21 Sep airBaltic
30 Sep - 06 Oct Norwegian Air Sweden AOC
22 Sep - 26 Sep Norwegian Air Sweden AOC
09 Sep - 12 Sep Norwegian Air Sweden AOC
01 Sep - 07 Sep Norwegian Air Sweden AOC
03 Sep - 07 Sep Norwegian Air Sweden AOC
26 Sep - 02 Oct Norwegian Air Sweden AOC
28 Sep - 01 Oct Ryanair
29 Sep - 03 Oct airBaltic direct
15 Sep - 15 Oct airBaltic direct
30 Sep - 07 Oct Turkish Airlines direct
30 Sep - 06 Oct Turkish Airlines direct

Also check the deals for one-way flights from Riga to Istanbul in September.

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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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