Cheapest return flights from Trondheim to Istanbul in December from 230€

AirHint found the following cheapest return flights from Trondheim (TRD) to Istanbul (IST) in December 2025 (see full year).

Return flights

10 Dec - 17 Dec Scandinavian Airlines
06 Dec - 07 Dec KLM
13 Dec - 14 Dec Scandinavian Airlines
23 Dec - 02 Jan Scandinavian Airlines
22 Dec - 02 Jan Scandinavian Airlines
20 Dec - 27 Dec Scandinavian Airlines

Also check the deals for one-way flights from Trondheim to Istanbul in December.

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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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