AirHint found the following cheapest return flights from London (LGW) to Tromso (TOS) in August 2026 (see full year).

Return flights

25 Aug - 30 Aug	Norwegian
28 Aug - 30 Aug	Norwegian
20 Aug - 25 Aug	Norwegian
18 Aug - 21 Aug	Norwegian
21 Aug - 23 Aug	Norwegian
24 Aug - 30 Aug	Norwegian
28 Aug - 31 Aug	Norwegian
30 Aug - 06 Sep	Norwegian
20 Aug - 27 Aug	Norwegian
12 Aug - 20 Aug	Norwegian
25 Aug - 02 Sep	Norwegian
09 Aug - 17 Aug	Norwegian
25 Aug - 06 Sep	Norwegian
25 Aug - 07 Sep	Norwegian
28 Aug - 06 Sep	Norwegian
28 Aug - 07 Sep	Norwegian
25 Aug - 12 Sep	Norwegian
25 Aug - 05 Sep	Norwegian
25 Aug - 08 Sep	Norwegian
28 Aug - 12 Sep	Norwegian

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 220€

Return flights