AirHint found the following cheapest return flights from Oslo (OSL) to Tromso (TOS) in March 2026 (see full year).

Return flights

22 Mar - 23 Mar	Wizz Air
22 Mar - 24 Mar	Ryanair
22 Mar - 01 Apr	Wizz Air
22 Mar - 25 Mar	Ryanair
22 Mar - 31 Mar	Wizz Air
16 Mar - 18 Mar	Wizz Air
21 Mar - 24 Mar	Ryanair
23 Mar - 26 Mar	Wizz Air
22 Mar - 24 Mar	Norwegian	direct
20 Mar - 26 Mar	Ryanair
11 Mar - 13 Mar	Norwegian
30 Mar - 01 Apr	Wizz Air
30 Mar - 03 Apr	Wizz Air
29 Mar - 10 Apr	Ethiopian Airlines
31 Mar - 03 Apr	Wizz Air
22 Mar - 01 Apr	Norwegian	direct
23 Mar - 10 Apr	Norwegian	direct
23 Mar - 08 Apr	Norwegian	direct
22 Mar - 10 Apr	Norwegian	direct
22 Mar - 08 Apr	Norwegian	direct

Also check the deals for one-way flights from Oslo to Tromso in March.

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 Oslo to Tromso in March from $125

Return flights