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Cheap flights from Istanbul Airport to Oslo Gardermoen Airport

IST — OSL
24 ago — 31 ago1
1 adult

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 Sunday

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 19 agosto 2025.

Popular in

April

Cheapest in

September

Average price

£191

Good one-way deal

£181 or less
Highest demand for flights based on searches. 25% potential increase in price (£34 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£8 potential savings vs. average return 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 return 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 return flight from Istanbul to Oslo Gardermoen. Price data was last updated on 8 August 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, May is the cheapest month in which you can book a flight from Istanbul Airport to Oslo Gardermoen Airport (average of £103). Flying from Istanbul Airport to Oslo Gardermoen Airport in July is currently the most expensive (average of £187). 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 19 agosto 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 70% on flights from Istanbul Airport to Oslo Gardermoen Airport by exploring options for tickets in the evening.

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 19 agosto 2025.
Check out reviews from past customers who have flown with Norwegian, airBaltic, andPegasus Airlines from Istanbul Airport 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
Check prices

Boarding

7.7

Comfort

7.5

Overall

7.8

Entertainment

6.0

Food

6.5

Crew

8.1

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
234 reviews
Norwegian
7.8
Good
234 reviews
Check prices

Boarding

7.7

Comfort

7.5

Overall

7.8

Entertainment

6.0

Food

6.5

Crew

8.1

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
airBaltic
7.7
Good
177 reviews
Norwegian
7.8
Good
234 reviews
Check prices

Boarding

7.7

Comfort

7.5

Overall

7.8

Entertainment

6.0

Food

6.5

Crew

8.1

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
Pegasus Airlines
6.7
Okay
636 reviews
Norwegian
7.8
Good
234 reviews
Check prices

Boarding

7.7

Comfort

7.5

Overall

7.8

Entertainment

6.0

Food

6.5

Crew

8.1

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 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?

    Cheapflights users have booked flights from Istanbul Airport to Oslo Gardermoen Airport round-trip from £57. Other airlines that can offer you cheap pricing are Pegasus Airlines, from £73, and airBaltic, from £94. Norwegian is currently priced 59% below the average price you’ll pay for this route.

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

    No one likes to see their flight delayed. When booking a flight from Istanbul Airport to Oslo Gardermoen Airport consider choosing Norwegian Air Sweden (100%), Icelandair (81%) or Thai Airways (74%) as they are the most reliable in getting you off to your destination on time.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from Istanbul Airport to Oslo Gardermoen Airport (average of £103). Flying from Istanbul Airport to Oslo Gardermoen Airport in July is currently the most expensive (average of £187). 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

Travelling to a place near Oslo Gardermoen Airport?

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

Browse thousands of different options on Cheapflights for your next trip

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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 858,174 searches. Data last updated 19 agosto 2025.
AirlineCheapestAverageFlexibilityOn-time
NorwegianCheapest£57Average£88FlexibilityNo cancel feeOn-time74%
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Pegasus AirlinesCheapest£73Average£133FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
airBalticCheapest£94Average£95FlexibilityNo cancel feeOn-time87%
Search airBaltic flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Istanbul to Oslo Gardermoen?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Istanbul to Oslo Gardermoen. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Istanbul to Oslo Gardermoen?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Oslo Gardermoen from Istanbul.

Can Cheapflights find flights from Istanbul to Oslo Gardermoen with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Istanbul to Oslo Gardermoen flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Istanbul to Oslo Gardermoen become cheaper?

Not ready to book yet? You can track prices for flights from Istanbul to Oslo Gardermoen on Cheapflights with our Price Alert feature and get notified when better prices are available.

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