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

Return flights

21 Aug - 30 Aug	Norwegian
22 Aug - 13 Sep	Norwegian
21 Aug - 29 Aug	Norwegian
26 Aug - 01 Sep	Norwegian
28 Aug - 31 Aug	Norwegian
29 Aug - 31 Aug	Norwegian
23 Aug - 13 Sep	Norwegian
06 Aug - 23 Aug	Norwegian
28 Aug - 30 Aug	Norwegian
26 Aug - 30 Aug	Norwegian
28 Aug - 13 Sep	Norwegian
26 Aug - 13 Sep	Norwegian
26 Aug - 31 Aug	Norwegian
21 Aug - 31 Aug	Norwegian
28 Aug - 01 Sep	Norwegian
21 Aug - 01 Sep	Norwegian
08 Aug - 25 Aug	Norwegian
26 Aug - 06 Sep	Norwegian
28 Aug - 06 Sep	Norwegian
21 Aug - 06 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.

Book a cheap hotel in Tromso

Cheap car rent in Tromso

Cheapest return flights from London to Tromso in August from 220€

Return flights