$108 Cheap Flights from Helsinki (HEL) to Trondheim (TRD)

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Helsinki to Trondheim Flights

The cheapest times to fly from Helsinki to Trondheim

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Helsinki to Trondheim are during the month of June. You can find some of the cheapest flights from Helsinki to Trondheim with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Helsinki to Trondheim

Sunday is one of the best days to book for cheap flights from Helsinki to Trondheim: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Helsinki to Trondheim

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Helsinki to Trondheim in 2026. You can also book with separate airlines for your outbound and return journeys, from $108 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Helsinki to Trondheim flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Helsinki to Trondheim airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently Asked Questions

How much does a flight from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes) cost?

You can find cheap one-way flights from $108 and cheap return flights $254 Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes) with Expedia. One-way flights usually range from $170 to $1239, and return flights typically cost between $260 and $1480. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

What is the cheapest month to fly from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes)?

The cheapest month to fly from HEL to TRD is June when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.

Which airlines fly direct from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes)?

You can fly direct from HEL to TRD on Finnair, with around 7 flights per week.

What is the cheapest airline that flies from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes)?

Finnair is one of the cheapest airlines offering nonstop flights from Helsinki (HEL) to Trondheim (TRD), with round-trip tickets starting from around $450. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

How do I find cheap flights from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes)?

To find a cheap flight from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

What is the best airline to fly with from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes)?

The best airline to fly with from Helsinki (HEL) to Trondheim (TRD) will differ from traveler to traveler. If you like to fly early, Finnair offers early morning flights. If price is the most important factor, Finnair typically offers the lowest fares. Lufthansa offers the most daily flights from HEL to TRD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

What is the best time to fly from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes)?

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

What is the earliest flight from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes)?

The earliest flight from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes) typically departs at around 5:25 AM, operated by Air Baltic and KLM. This service is seasonal and active in May, allowing you to start your day early and make the most of your time in Trondheim. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

What are the most popular departure times for flights from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes)?

For flights from Helsinki Vantaa (HEL) to Trondheim (TRD), the most popular departure times are in the early morning, from 6am to 9am. About 32% of passengers choose this time window. Many major carriers, including Lufthansa, Finnair, and SAS, operate flights during this period. This timing is favored as it allows you to arrive in Trondheim with a full day ahead of you.

How long does it take to fly from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes)?

Flying nonstop from HEL to TRD takes around 2 hours, with the route covering approximately 505 miles. Flights with a layover typically take 3 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Can you fly business or first class from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes)?

You can fly business class between HEL and TRD. Airlines that offer business class service on this route include:

• Lufthansa
• KLM
• Air Baltic
• SAS
• Braathens Regional Aviation

How do I earn miles on a Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes) flight with Expedia?

It's easy to earn miles on a Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

What airports do you fly into for Trondheim from Vantaa (HEL)?

If you're planning to travel to Trondheim from Vantaa (HEL), you can fly into Vaernes (TRD) Some flights may connect through major hubs like Frankfurt Intl. (FRA), Riga Intl. (RIX), Franz Josef Strauss Intl. (MUC) before reaching Trondheim. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Is it cheaper to buy a plane ticket from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes) at the last minute?

Typically, booking a last minute flight from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Is it cheaper to book a Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes) flight and hotel package?

Securing a Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Can I cancel or change the date of my flight from Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes)?

If you booked your Helsinki (HEL-Vantaa) to Trondheim (TRD-Vaernes) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.