AirHint found the following cheapest return flights from Hamburg (HAM) to Trondheim (TRD) in August 2025 (see full year).

Return flights

15 Aug - 17 Aug	Scandinavian Airlines
24 Aug - 31 Aug	Scandinavian Airlines
13 Aug - 26 Aug	Norwegian
12 Aug - 16 Aug	Wizz Air
07 Aug - 17 Aug	Scandinavian Airlines
05 Aug - 14 Aug	Wizz Air
17 Aug - 23 Aug	Norwegian
07 Aug - 14 Aug	Scandinavian Airlines
12 Aug - 22 Aug	Wizz Air
06 Aug - 14 Aug	Scandinavian Airlines

Also check the deals for one-way flights from Hamburg to Trondheim in August.

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 Trondheim in August from 223€

Return flights