Cheapest one-way flights from Riga to Istanbul in September from $73

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

One-Way flights

09 Sep Norwegian Air Sweden AOC
06 Sep Norwegian Air Sweden AOC
02 Sep Ryanair
30 Sep Norwegian Air Sweden AOC
11 Sep Norwegian Air Sweden AOC
20 Sep Norwegian Air Sweden AOC
17 Sep Norwegian Air Sweden AOC
26 Sep Norwegian Air Sweden AOC
23 Sep Ryanair
29 Sep Norwegian Air Sweden AOC

Also check the deals for return flights from Riga to Istanbul in September.

Skyscanner

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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