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Oslo Gardermoen

Cheap flights from Trondheim (TRD) to Oslo Gardermoen (OSL)

TRD — OSL
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheapflights Tip: The best prices from Trondheim Vaernes to Oslo Gardermoen are usually found in October or February, booked 73 days in advance, depart on a Wednesday or Sunday and return on a Monday

Find flight deals from Trondheim to Oslo Gardermoen

Discover tips and strategies to find the most affordable flight options for your journey from Trondheim (TRD) to Oslo Gardermoen (OSL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

October

Average price

$158

Good round-trip deal

$189 or less

Good one-way deal

$85 or less
Provider with most accurate pricing for Trondheim Vaernes-Oslo Gardermoen flight deals.
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Provider most trusted by Cheapflights users for Trondheim Vaernes-Oslo Gardermoen flights.
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Highest demand for flights based on searches. 6% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Trondheim Vaernes to Oslo Gardermoen.
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Price to beat on a one-way flight from Trondheim Vaernes to Oslo Gardermoen.
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Compare providers for flights from Trondheim to Oslo Gardermoen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Trondheim to Oslo Gardermoen in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
MytripPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Trondheim-Oslo Gardermoen Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Trondheim-Oslo Gardermoen Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Trondheim-Oslo Gardermoen Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Trondheim-Oslo Gardermoen Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Trondheim-Oslo Gardermoen Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Trondheim to Oslo Gardermoen

Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen from Trondheim with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Trondheim to Oslo Gardermoen Airport

How far ahead should I book a flight from Trondheim to Oslo Gardermoen Airport?

Use this chart to determine the optimal time to book a round-trip flight from Trondheim to Oslo Gardermoen. Price data was last updated on January 23, 2026.

The price you pay for your flight from Trondheim to Oslo Gardermoen Airport may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Trondheim to Oslo Gardermoen Airport?

Currently, May is the cheapest month in which you can book a flight from Trondheim to Oslo Gardermoen Airport (average of $73). Flying from Trondheim to Oslo Gardermoen Airport in December is currently the most expensive (average of $117). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TRD to OSL?

Find hourly flight availability from Trondheim to Oslo Gardermoen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 27, 2026.

It’s typically best to fly out from Trondheim to Oslo Gardermoen Airport in the evening. Doing so could potentially save you 44% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Trondheim to Oslo Gardermoen Airport?

Use this chart to determine the cheapest time to fly round-trip from Trondheim to Oslo Gardermoen. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their Trondheim to Oslo Gardermoen Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Oslo Gardermoen

Get insights into the airlines that provide service to Oslo Gardermoen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo Gardermoen. Reviews last updated January 27, 2026.
Peruse reviews from past customers who have flown with Norwegian from Trondheim to Oslo Gardermoen Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Norwegian
7.8
Good
242 reviews

Overall

7.8

Comfort

7.6

Crew

8.2

Food

6.6

Boarding

7.7

Entertainment

6.1

Reviews

1 / 2
10.0
Excellent

Kaisha,Apr 2025

BGO - OSL

Fast boarding via 3 groups, plane left and arrived early. My seat was quite hard but fine for a short domestic flight
Norwegian
7.8
Good
242 reviews
Norwegian
7.8
Good
242 reviews

Overall

7.8

Comfort

7.6

Crew

8.2

Food

6.6

Boarding

7.7

Entertainment

6.1

Reviews

1 / 2
10.0
Excellent

Kaisha,Apr 2025

BGO - OSL

Fast boarding via 3 groups, plane left and arrived early. My seat was quite hard but fine for a short domestic flight

Related info for your journey

Find useful and relevant information for your journey from Trondheim to Oslo Gardermoen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Trondheim to Oslo Gardermoen?

    Located just 16.4 mi from the city center, Trondheim Vaernes is the airport most travelers will use when flying to Oslo Gardermoen from Trondheim. Booking flights from Vaernes (TRD) to Oslo Gardermoen should be relatively easy as there are 24 daily outbound flights to Oslo Gardermoen from 1 airline.

  • What is the cheapest airline to fly from Trondheim to Oslo Gardermoen Airport round-trip?

    Currently priced at $90, Norwegian will fly you from Trondheim to Oslo Gardermoen Airport and back. In addition to Norwegian, many other airlines offer competitively priced options for your trip. Norwegian is priced at 48% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Trondheim to Oslo Gardermoen Airport?

    The top 3 most reliable airlines when flying from Trondheim to Oslo Gardermoen Airport are Etihad Airways (80%), Air France (76%) and Scandinavian Airlines (76%).

  • Can I find deals for flights from Trondheim to Oslo Gardermoen that include hotel bookings?

    Yes. In addition to deals on Trondheim to Oslo Gardermoen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trondheim to Oslo Gardermoen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trondheim to Oslo Gardermoen.

  • Can I find deals for business class flights from Trondheim to Oslo Gardermoen?

    Yes. Cheapflights offers flight deals from Trondheim to Oslo Gardermoen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trondheim to Oslo Gardermoen Airport?

    Currently, May is the cheapest month in which you can book a flight from Trondheim to Oslo Gardermoen Airport (average of $73). Flying from Trondheim to Oslo Gardermoen Airport in December is currently the most expensive (average of $117). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Trondheim to Oslo Gardermoen

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Trondheim to Oslo Gardermoen

Discover the top airline that operate flights from Trondheim to Oslo Gardermoen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
NorwegianCheapest$90Average$184FlexibilityNo cancel feeOn-time74%

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