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Oslo Gardermoen

Cheap flights from Istanbul (IST) to Oslo Gardermoen (OSL)

IST — OSL
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
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Cheapflights Tip: The best prices from Istanbul to Oslo Gardermoen are usually found in February or March, booked 75 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Istanbul to Oslo Gardermoen

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) 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 December 1, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Popular in

August

Cheapest in

February

Average price

$289

Good one-way deal

$241 or less
Provider with most accurate pricing for Istanbul-Oslo Gardermoen flight deals.
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Provider most trusted by Cheapflights users for Istanbul-Oslo Gardermoen flights.
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Highest demand for flights based on searches. 9% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a one-way flight from Istanbul to Oslo Gardermoen.
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Compare providers for flights from Istanbul 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 Istanbul to Oslo Gardermoen in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 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 Istanbul Airport-Oslo Gardermoen Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Istanbul Airport-Oslo Gardermoen Airport flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Istanbul Airport-Oslo Gardermoen Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Istanbul Airport-Oslo Gardermoen Airport flights, Cheapflights users trust Mytrip the most. Mytrip 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 Istanbul Airport-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 Istanbul to Oslo Gardermoen

Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen from Istanbul 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 Istanbul Airport to Oslo Gardermoen Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Istanbul to Oslo Gardermoen. Price data was last updated on November 28, 2025.

The best time to book flights from Istanbul Airport to Oslo Gardermoen Airport is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Istanbul Airport to Oslo Gardermoen Airport (average of $97). Flying from Istanbul Airport to Oslo Gardermoen Airport in April is currently the most expensive (average of $173). 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 IST to OSL?

Find hourly flight availability from Istanbul 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 December 1, 2025.

One of the essential ways to save on airfare from Istanbul Airport to Oslo Gardermoen Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 29% on airfare.

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 December 1, 2025.
Read through reviews of airlines operating flights from Istanbul Airport to Oslo Gardermoen Airport, such as Turkish Airlines and Pegasus Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
4,069 reviews

Boarding

7.3

Comfort

7.3

Entertainment

7.4

Overall

7.3

Crew

7.8

Food

7.4

Reviews

1 / 20
8.0
Excellent

Assia,Nov 2025

IST - YUL

Wide chairs, wide screen, possibility to pair our cellphone with the screen. Tasty food.
Turkish Airlines
7.3
Good
4,069 reviews
Turkish Airlines
7.3
Good
4,069 reviews

Boarding

7.3

Comfort

7.3

Entertainment

7.4

Overall

7.3

Crew

7.8

Food

7.4

Reviews

1 / 20
8.0
Excellent

Assia,Nov 2025

IST - YUL

Wide chairs, wide screen, possibility to pair our cellphone with the screen. Tasty food.
Pegasus Airlines
6.7
Okay
637 reviews
Turkish Airlines
7.3
Good
4,069 reviews

Boarding

7.3

Comfort

7.3

Entertainment

7.4

Overall

7.3

Crew

7.8

Food

7.4

Reviews

1 / 20
8.0
Excellent

Assia,Nov 2025

IST - YUL

Wide chairs, wide screen, possibility to pair our cellphone with the screen. Tasty food.

Related info for your journey

Find useful and relevant information for your journey from Istanbul 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 are the cheapest airlines flying from Istanbul Airport to Oslo Gardermoen Airport round-trip?

    According to our current data, Pegasus Airlines ($156), and Turkish Airlines ($251) offers the cheapest pricing from Istanbul Airport to Oslo Gardermoen Airport. You may be able to fly from Istanbul Airport to Oslo Gardermoen Airport for 41% less than the average price by searching for these airlines.

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

    The top 3 most reliable airlines when flying from Istanbul Airport to Oslo Gardermoen Airport are Icelandair (80%), Turkish Airlines (78%) and IndiGo (78%).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Istanbul 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 Istanbul Airport to Oslo Gardermoen Airport?

    Currently, August is the cheapest month in which you can book a flight from Istanbul Airport to Oslo Gardermoen Airport (average of $97). Flying from Istanbul Airport to Oslo Gardermoen Airport in April is currently the most expensive (average of $173). 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

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Top 2 airlines flying from Istanbul to Oslo Gardermoen

Discover the top 2 airlines that operate flights from Istanbul 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 December 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Pegasus AirlinesCheapest$156Average$239FlexibilityNo cancel feeOn-time82%
Turkish AirlinesCheapest$251Average$332FlexibilityNo cancel feeOn-time77%

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