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

Return flights

14 Dec - 07 Jan	Scandinavian Airlines
10 Dec - 14 Dec	Wizz Air
10 Dec - 13 Dec	Wizz Air
07 Dec - 11 Dec	Wizz Air
04 Dec - 07 Dec	Scandinavian Airlines
31 Dec - 04 Jan	Wizz Air
11 Dec - 14 Dec	Scandinavian Airlines
12 Dec - 15 Dec	Scandinavian Airlines
11 Dec - 04 Jan	Scandinavian Airlines
28 Dec - 01 Jan	Wizz Air
25 Dec - 28 Dec	Scandinavian Airlines
21 Dec - 25 Dec	Wizz Air
23 Dec - 31 Dec	Wideroe
20 Dec - 21 Dec	Norwegian

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

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 Trondheim to London in December from $165

Return flights