Search and book Helsinki to Trondheim flights
Popular flights and flight offers from Helsinki to Trondheim
HEL – TRD
Helsinki - Trondheim
Thu 18 Sep 2025 – Tue 23 Sep 2025
From
€190 Our cheapest flights from Helsinki to Trondheim
HEL – TRD
Helsinki - Trondheim
Thu 18 Sep 2025 – Tue 23 Sep 2025
From
€190