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

Return flights

21 Apr - 25 Apr	Wizz Air UK
23 Apr - 28 Apr	Norwegian
21 Apr - 28 Apr	Norwegian
28 Apr - 28 Apr	Norwegian
16 Apr - 22 Apr	Norwegian
28 Apr - 04 May	Norwegian
28 Apr - 06 May	Norwegian
23 Apr - 01 May	Norwegian
23 Apr - 29 Apr	Norwegian
08 Apr - 12 Apr	Norwegian
09 Apr - 12 Apr	Norwegian
08 Apr - 24 Apr	Norwegian
24 Apr - 27 Apr	Norwegian
28 Apr - 10 May	Norwegian
28 Apr - 17 May	Norwegian
16 Apr - 06 May	Norwegian
16 Apr - 04 May	Norwegian
23 Apr - 06 May	Norwegian
23 Apr - 10 May	Norwegian
23 Apr - 04 May	Norwegian

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

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 April from 123€

Return flights