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

Return flights

21 Aug - 30 Sep	Wizz Air
30 Aug - 06 Sep	Wizz Air
29 Aug - 31 Aug	Wizz Air
29 Aug - 04 Sep	Wizz Air
25 Aug - 28 Aug	Wizz Air
15 Aug - 17 Aug	Wizz Air
30 Aug - 05 Sep	Wizz Air
08 Aug - 10 Aug	Wizz Air
20 Aug - 24 Aug	Wizz Air
31 Aug - 07 Sep	Ryanair
15 Aug - 19 Aug	Wizz Air
22 Aug - 31 Aug	Wizz Air
19 Aug - 26 Aug	Wizz Air
21 Aug - 24 Aug	Wizz Air
23 Aug - 31 Aug	Wizz Air
29 Aug - 01 Sep	easyJet
30 Aug - 01 Sep	Wizz Air
28 Aug - 01 Sep	Wizz Air
31 Aug - 12 Sep	Ryanair

Also check the deals for one-way flights from London 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 London to Trondheim in August from 137€

Return flights