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

Return flights

27 Sep - 29 Sep	Wizz Air
29 Sep - 03 Oct	Ryanair
27 Sep - 30 Sep	Wizz Air
27 Sep - 28 Sep	Wizz Air
29 Sep - 04 Oct	Wizz Air
30 Sep - 14 Oct	airBaltic	direct
24 Sep - 27 Sep	Wizz Air
23 Sep - 03 Oct	airBaltic	direct
25 Sep - 27 Sep	airBaltic
22 Sep - 25 Sep	Ryanair
25 Sep - 28 Sep	airBaltic
21 Sep - 22 Sep	Finnair
26 Sep - 28 Sep	Ryanair
20 Sep - 21 Sep	Wizz Air
28 Sep - 05 Oct	airBaltic	direct

Also check the deals for one-way flights from Hamburg 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 return flights from Hamburg to Riga in September from $181

Return flights