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

Return flights

04 Jul - 11 Jul	Norwegian
01 Jul - 20 Jul	Norwegian
01 Jul - 21 Jul	Norwegian
01 Jul - 14 Jul	Norwegian
01 Jul - 13 Jul	Norwegian
01 Jul - 15 Jul	Norwegian
06 Jul - 20 Jul	Norwegian
03 Jul - 21 Jul	Norwegian
03 Jul - 20 Jul	Norwegian
03 Jul - 14 Jul	Norwegian
27 Jul - 17 Aug	Norwegian
27 Jul - 02 Aug	Norwegian
16 Jul - 02 Aug	Norwegian
15 Jul - 02 Aug	Norwegian
19 Jul - 01 Aug	Norwegian
25 Jul - 01 Aug	Norwegian

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

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 July from $311

Return flights