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Oslo Gardermoen

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

TRD — OSL
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Trondheim Vaernes to Oslo Gardermoen are usually found in November or January, booked 80 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap 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 August 20, 2025.

Popular in

June

Cheapest in

November

Average price

$173

Good round-trip deal

$250 or less

Good one-way deal

$111 or less
Highest demand for flights based on searches. 10% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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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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 August 8, 2025.

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 80 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, November is the cheapest month in which you can book a flight from Trondheim to Oslo Gardermoen Airport (average of $567). Flying from Trondheim to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,011). 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 August 20, 2025.

It’s typically best to fly out from Trondheim to Oslo Gardermoen Airport in the evening. Doing so could potentially save you 62% on the flight price compared to flying at noon, 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 August 17, 2025.

Travelers seeking maximum savings on their Trondheim to Oslo Gardermoen Airport flight should consider departing on Wednesday evenings 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 August 20, 2025.
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
234 reviews

Comfort

7.5

Overall

7.8

Boarding

7.7

Crew

8.1

Food

6.5

Entertainment

6.0

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
234 reviews
Norwegian
7.8
Good
234 reviews

Comfort

7.5

Overall

7.8

Boarding

7.7

Crew

8.1

Food

6.5

Entertainment

6.0

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 22 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 $77, 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 53% 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 Finnair (100%), Lufthansa (100%) and CityJet (96%).

  • 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, November is the cheapest month in which you can book a flight from Trondheim to Oslo Gardermoen Airport (average of $567). Flying from Trondheim to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,011). 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.

See more FAQs

Traveling to a place near Oslo Gardermoen Airport?

Book flights to Oslo Gardermoen Airport if you plan to visit one of these locations
Gardermoen

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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
NorwegianCheapest$77Average$173FlexibilityNo cancel feeOn-time74%

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