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

Return flights

01 Sep - 05 Sep	Wizz Air
30 Sep - 14 Oct	airBaltic	direct
06 Sep - 09 Sep	Wizz Air
01 Sep - 05 Sep	airBaltic	direct
07 Sep - 10 Sep	airBaltic	direct
07 Sep - 14 Sep	Lufthansa
05 Sep - 08 Sep	Scandinavian Airlines
05 Sep - 08 Sep	airBaltic	direct
08 Sep - 14 Sep	airBaltic	direct
07 Sep - 14 Sep	airBaltic	direct
11 Sep - 14 Sep	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 $169

Return flights