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

Return flights

05 Jun - 08 Jun	Norwegian
05 Jun - 15 Jun	Norwegian
11 Jun - 16 Jun	Norwegian
11 Jun - 15 Jun	Norwegian
12 Jun - 16 Jun	Norwegian
10 Jun - 15 Jun	Norwegian
01 Jun - 08 Jun	Norwegian
09 Jun - 13 Jun	Norwegian
11 Jun - 13 Jun	Norwegian
09 Jun - 17 Jun	Norwegian
29 Jun - 16 Jul	Norwegian
29 Jun - 14 Jul	Norwegian
23 Jun - 14 Jul	Norwegian
29 Jun - 15 Jul	Norwegian
26 Jun - 16 Jul	Norwegian
26 Jun - 14 Jul	Norwegian
26 Jun - 15 Jul	Norwegian
11 Jun - 01 Jul	Norwegian
10 Jun - 01 Jul	Norwegian
16 Jun - 01 Jul	Norwegian

Also check the deals for one-way flights from London to Tromso in June.

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 June from $288

Return flights