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Oslo Gardermoen

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

IST — OSL
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Istanbul to Oslo Gardermoen are usually found in September or June, booked 29 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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 agosto 20, 2025.

Popular in

April

Cheapest in

September

Average price

$258

Good one-way deal

$92 or less
Highest demand for flights based on searches. 25% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($14 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 one-way flight from Istanbul to Oslo Gardermoen.
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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 August 8, 2025.

The best time to book flights from Istanbul Airport to Oslo Gardermoen Airport is 29 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, November is the cheapest month in which you can book a flight from Istanbul Airport to Oslo Gardermoen Airport (average of $567). Flying from Istanbul Airport 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 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 agosto 20, 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 in the morning tend to be the most expensive. A flight at noon could potentially save you up to 59% 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 agosto 20, 2025.
Read through reviews of airlines operating flights from Istanbul Airport to Oslo Gardermoen Airport, such as Norwegian, Turkish Airlines, and Pegasus Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Norwegian
7.8
Good
234 reviews

Comfort

7.5

Food

6.5

Crew

8.1

Overall

7.8

Entertainment

6.0

Boarding

7.7

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

Food

6.5

Crew

8.1

Overall

7.8

Entertainment

6.0

Boarding

7.7

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
Turkish Airlines
7.3
Good
3,949 reviews
Norwegian
7.8
Good
234 reviews

Comfort

7.5

Food

6.5

Crew

8.1

Overall

7.8

Entertainment

6.0

Boarding

7.7

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
Pegasus Airlines
6.7
Okay
636 reviews
Norwegian
7.8
Good
234 reviews

Comfort

7.5

Food

6.5

Crew

8.1

Overall

7.8

Entertainment

6.0

Boarding

7.7

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 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, Norwegian ($90), Pegasus Airlines ($174), and Turkish Airlines ($246) 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 53% 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 Norwegian Air Sweden (100%), Icelandair (81%) and Thai Airways (74%).

  • 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, November is the cheapest month in which you can book a flight from Istanbul Airport to Oslo Gardermoen Airport (average of $567). Flying from Istanbul Airport 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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Top 3 airlines flying from Istanbul to Oslo Gardermoen

Discover the top 3 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 agosto 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
NorwegianCheapest$90Average$255FlexibilityNo cancel feeOn-time74%
Pegasus AirlinesCheapest$174Average$239FlexibilityNo cancel feeOn-time82%
Turkish AirlinesCheapest$246Average$489FlexibilityNo cancel feeOn-time77%

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