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

Return flights

30 Aug - 06 Sep	Wizz Air
30 Aug - 04 Sep	Wizz Air
31 Aug - 09 Sep	easyJet
30 Aug - 03 Sep	Wizz Air
31 Aug - 04 Sep	easyJet
29 Aug - 31 Aug	easyJet
31 Aug - 03 Sep	easyJet
28 Aug - 31 Aug	Wizz Air
28 Aug - 05 Sep	Ryanair
28 Aug - 04 Sep	Wizz Air
31 Aug - 07 Sep	easyJet
28 Aug - 30 Aug	Wizz Air
31 Aug - 31 Aug	easyJet
29 Aug - 01 Sep	Wizz Air
28 Aug - 28 Aug	easyJet

Also check the deals for one-way flights from London to Tromso 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 Tromso in August from $293

Return flights