Trondheim (TRD) to Helsinki (HEL) flights
One airline flies nonstop from Trondheim (TRD) to Helsinki (HEL): Finnair. The two airports are 505 miles (812 km) apart. Finnair is in oneworld. There are also 9 ways to fly it with one stop, through Stockholm, Oslo and Bodo and more.
Airlines flying nonstop from TRD to HEL
- Finnaironeworld · bookable with 9 programsWho books it

Book TRD to HEL with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Finnair
- American AAdvantageBooks Finnair
- British Airways ClubBooks Finnair
- Cathay Pacific Asia MilesBooks Finnair
- Finnair PlusBooks Finnair
- Iberia ClubBooks Finnair
- JAL Mileage BankBooks Finnair
- Qantas Frequent FlyerBooks Finnair
- Qatar Airways Privilege ClubBooks Finnair
TRD to HEL with one stop
9 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Stockholm (ARN)Scandinavian Airlines the whole way




- Via Oslo (OSL)Norwegian Air Shuttle the whole way






- Via Bodo (BOO)Scandinavian Airlines and Wideroe, then Finnair



- Via Riga (RIX)Norwegian Air Shuttle, then Finnair and Air Baltic



- Via Bergen (BGO)Norwegian Air Shuttle, Scandinavian Airlines and 1 more, then Finnair




- Via Stavanger (SVG)Scandinavian Airlines and Wideroe, then Finnair



- Via Copenhagen (CPH)Scandinavian Airlines the whole way




- Via Tromso (TOS)Wideroe, then Finnair and Norwegian Air Shuttle



- Via Gdansk (GDN)Wizz Air, then Finnair


TRD to HEL: common questions
Which airlines fly nonstop from TRD to HEL?
Finnair (oneworld) flies nonstop from Trondheim (TRD) to Helsinki (HEL).
How far is Trondheim from Helsinki by plane?
Trondheim (TRD) and Helsinki (HEL) are 505 miles (812 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book TRD to HEL award flights?
9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does TRD to HEL cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for TRD to HEL with taxes and fees.
Where can I connect between Trondheim and Helsinki?
The most direct connections are through Stockholm (ARN), Oslo (OSL), Bodo (BOO), Riga (RIX) and Bergen (BGO). On 3 of them the same airline flies both flights, for example Scandinavian Airlines through Stockholm.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.