Helsinki to Trondheim flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Helsinki to Trondheim is €97 with Norwegian Air International (checked on 25 Oct 2026).
Your next trip, last seen at €97
Lowest observedNorwegian Air International · 1 stop · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €97, departing 3 Dec 2026 (Last checked: 25 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 87Check live prices for this route
- Airlines seen
- Finnair, KLM, Norwegian, Norwegian Air International, SAS
- Typical journey time
- 7h 15m
About this route
Explore the fares we observed from Helsinki to Trondheim. Prices move often, so pick your dates to see the latest options.
- Route distance
- 843 km
- Typical journey time
- 7h 15m
- Seen on fares with a connection
- Norwegian Air International, SAS, Finnair, Norwegian
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Helsinki Vantaa (HEL) → Helsinki, city gazetteer reference point (60.1699, 24.9384): ≈ 16 km.
- Trondheim Airport, Værnes (TRD) → Trondheim, city gazetteer reference point (63.4305, 10.3951): ≈ 26 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Helsinki to Trondheim: December 2026, from €97 (checked 25 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €105 | 30 |
| December 2026 | €97 | 31 |
| January 2027 | €97 | 25 |
Lowest fare by day of the week
Cheapest day of the week from Helsinki to Trondheim: Monday, from €97 (checked 25 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €97 | 13 |
| Tuesday | €99 | 12 |
| Wednesday | €97 | 12 |
| Thursday | €97 | 12 |
| Friday | €100 | 12 |
| Saturday | €121 | 13 |
| Sunday | €97 | 13 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Helsinki to Trondheim by days until departure (31 to 60 days): €97 (checked 25 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €172 | 8 |
| 8 to 30 days | €105 | 23 |
| 31 to 60 days | €97 | 30 |
| 61 days or more | €97 | 26 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Helsinki to Trondheim: Norwegian Air International, from €97 (checked 25 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Norwegian Air International | €97Dec 3, 2026 | 35 |
| SAS | €97Jan 13, 2027 | 32 |
| Finnair | €104Jan 7, 2027 | 20 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Helsinki to Trondheim?
The lowest fare Routavio has observed is €97, found on 25 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Helsinki to Trondheim?
Cheapest month from Helsinki to Trondheim: December 2026, from €97 (checked 25 Oct 2026).
Are there direct flights from Helsinki to Trondheim?
Our data holds no non-stop flight from Helsinki to Trondheim. The fares on this page include at least one stop.
Which airlines fly from Helsinki to Trondheim?
Routavio has seen these carriers on the route: Finnair, KLM, Norwegian, Norwegian Air International, SAS.
How long does the flight from Helsinki to Trondheim take?
Across the 94 fares Routavio observed, the average journey time is 7h 55m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Helsinki to Trondheim fares were non-stop?
None of the 95 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which day of the week is cheapest from Helsinki to Trondheim?
Cheapest day of the week from Helsinki to Trondheim: Monday, from €97 (checked 25 Oct 2026).
Which airline has the lowest fare from Helsinki to Trondheim?
Cheapest airline from Helsinki to Trondheim: Norwegian Air International, from €97 (checked 25 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.