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

Return flights

22 Aug - 29 Aug	Norwegian
22 Aug - 24 Aug	Norwegian
25 Aug - 02 Sep	Norwegian
26 Aug - 31 Aug	Norwegian
27 Aug - 31 Aug	Norwegian
22 Aug - 01 Sep	Norwegian
12 Aug - 28 Aug	Norwegian
24 Aug - 31 Aug	Norwegian
22 Aug - 30 Aug	Norwegian
21 Aug - 08 Sep	Norwegian
21 Aug - 07 Sep	Norwegian
20 Aug - 08 Sep	Norwegian
20 Aug - 07 Sep	Norwegian
26 Aug - 08 Sep	Norwegian
26 Aug - 07 Sep	Norwegian
26 Aug - 16 Sep	Norwegian
27 Aug - 08 Sep	Norwegian
21 Aug - 30 Aug	Norwegian
20 Aug - 30 Aug	Norwegian
27 Aug - 30 Aug	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.

Book a cheap hotel in Tromso

Cheap car rent in Tromso

Cheapest return flights from London to Tromso in August from 151€

Return flights