Cheapest return flights from Oslo to Trondheim in May from $175

AirHint found the following cheapest return flights from Oslo (OSL) to Trondheim (TRD) in May 2026 (see full year).

Return flights

14 May - 21 May Norwegian direct
21 May - 21 May Norwegian direct
14 May - 24 May Norwegian direct
21 May - 24 May Norwegian direct
24 May - 24 May Norwegian direct
14 May - 14 May Norwegian direct
15 May - 22 May Wideroe
03 May - 21 May Norwegian direct
03 May - 24 May Norwegian direct
03 May - 14 May Norwegian direct

Also check the deals for one-way flights from Oslo to Trondheim in May.

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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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