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

Return flights

02 Jul - 16 Jul	Norwegian
02 Jul - 10 Jul	Norwegian
01 Jul - 15 Jul	Norwegian
02 Jul - 14 Jul	Norwegian
02 Jul - 15 Jul	Norwegian
08 Jul - 14 Jul	Norwegian
01 Jul - 16 Jul	Norwegian
01 Jul - 10 Jul	Norwegian
01 Jul - 14 Jul	Norwegian
03 Jul - 16 Jul	Norwegian
29 Jul - 10 Aug	Norwegian
29 Jul - 17 Aug	Norwegian
29 Jul - 02 Aug	Norwegian
29 Jul - 14 Aug	Norwegian
24 Jul - 07 Aug	Norwegian
20 Jul - 02 Aug	Norwegian
22 Jul - 02 Aug	Norwegian
24 Jul - 14 Aug	Norwegian
30 Jul - 08 Aug	Norwegian
12 Jul - 02 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 $366

Return flights