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

Return flights

10 Apr - 13 Apr	Norwegian
16 Apr - 26 Apr	Norwegian
13 Apr - 25 Apr	Norwegian
23 Apr - 25 Apr	Norwegian
26 Apr - 17 May	Norwegian
13 Apr - 26 Apr	Norwegian
23 Apr - 11 May	Norwegian
23 Apr - 09 May	Norwegian
13 Apr - 19 Apr	Norwegian
01 Apr - 08 Apr	Norwegian
15 Apr - 25 Apr	Norwegian
15 Apr - 26 Apr	Norwegian
20 Apr - 25 Apr	Norwegian
20 Apr - 11 May	Norwegian
20 Apr - 09 May	Norwegian
27 Apr - 11 May	Norwegian
27 Apr - 09 May	Norwegian
27 Apr - 17 May	Norwegian
26 Apr - 11 May	Norwegian
26 Apr - 09 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.

Book a cheap hotel in Tromso

Cheap car rent in Tromso

Cheapest return flights from London to Tromso in April from $274

Return flights