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$165+ Cheap flights from Oslo Gardermoen (OSL) to Istanbul (IST)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — IST
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Oslo Gardermoen to Istanbul are usually found in November or May, booked 88 days in advance, depart on a Thursday or Tuesday and return on a Thursday

Cheap flight deals from Oslo Gardermoen to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Oslo Gardermoen (OSL) to Istanbul (IST). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$243
(Turkish Airlines)

One-way from

$165
(Air Serbia)

Popular in

July

Cheapest in

November

Average price

$214

Good round-trip deal

$497 or less

Good one-way deal

$221 or less
Provider with most accurate pricing for Oslo Gardermoen-Istanbul flight deals.
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Provider most trusted by Cheapflights users for Oslo Gardermoen-Istanbul flights.
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From Oslo Gardermoen to Istanbul
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One-way flight from Oslo Gardermoen to Istanbul
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Highest demand for flights based on searches. 25% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Oslo Gardermoen to Istanbul.
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Price to beat on a one-way flight from Oslo Gardermoen to Istanbul.
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Find flight deals from Oslo Gardermoen to Istanbul

Cheapest flights from Oslo Gardermoen to Istanbul
Explore the most affordable flight options available from Oslo Gardermoen to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Turkish Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:05 pmOSL - IST
Nonstop4h 00mTurkish Airlines
Mon 9/157:35 amIST - OSL
Nonstop3h 50mTurkish Airlines
Deal found 3/27$243
This Air Serbia deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:45 amOSL - IST
1 stop25h 30mAir Serbia
Sun 5/43:40 pmIST - OSL
1 stop5h 30mAir Serbia
Deal found 3/27$266
This Mytrip deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:45 amOSL - IST
1 stop25h 20mLOT
Thu 5/11:55 pmIST - OSL
1 stop6h 00mLOT
Deal found 3/27$286
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:40 pmOSL - IST
Nonstop3h 55mMultiple Airlines
Thu 5/18:35 pmIST - OSL
1 stop14h 50mMultiple Airlines
Deal found 3/27$293
This Lufthansa deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:35 amOSL - IST
1 stop13h 45mLufthansa
Mon 9/152:00 pmIST - OSL
2 stops9h 10mLufthansa
Deal found 3/27$319
This Aegean Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aegean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/911:35 amOSL - IST
1 stop7h 25mAegean Airlines
Tue 5/131:40 amIST - OSL
1 stop10h 05mAegean Airlines
Deal found 3/27$344
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/296:00 amOSL - IST
2 stops19h 10mScandinavian Airlines
Wed 4/24:20 amIST - OSL
2 stops19h 10mScandinavian Airlines
Deal found 3/27$550
This Transavia Smart Connect deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Transavia Smart Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/177:35 pmOSL - IST
1 stop17h 15mTransavia France
Sun 4/203:35 amIST - OSL
1 stop16h 15mTransavia France
Deal found 3/27$858
This Finnair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/111:10 pmOSL - IST
1 stop9h 10mFinnair
Sun 5/188:00 amIST - OSL
1 stop9h 35mFinnair
Deal found 3/27$1,024
This Ethiopian Air deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:45 pmOSL - IST
3 stops40h 15mEthiopian Air
Sun 4/66:35 pmIST - OSL
3 stops39h 10mEthiopian Air
Deal found 3/27$1,194

Cheapflights Fare Finder

Customize your flight search to find flights from Oslo Gardermoen to Istanbul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Istanbul Airport that are best for you.

Fly from

Oslo Gardermoen

Fly to

Istanbul

Route

Depart

Return

Price

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Mon 9/8

12:05 pm-5:05 pm

Nonstop4h 00m

Istanbul

Mon 9/15

7:35 am-10:25 am

Nonstop3h 50m

$243

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Thu 5/1

9:45 am-12:15 pm

1 stop25h 30m

Istanbul

Sun 5/4

3:40 pm-8:10 pm

1 stop5h 30m

$266

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Thu 4/24

10:45 am-1:05 pm

1 stop25h 20m

Istanbul

Thu 5/1

1:55 pm-6:55 pm

1 stop6h 00m

$286

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Thu 4/24

6:40 pm-11:35 pm

Nonstop3h 55m

Istanbul

Thu 5/1

8:35 pm-10:25 am

1 stop14h 50m

$293

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Mon 9/8

6:35 am-9:20 pm

1 stop13h 45m

Istanbul

Mon 9/15

2:00 pm-10:10 pm

2 stops9h 10m

$319

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Fri 5/9

11:35 am-8:00 pm

1 stop7h 25m

Istanbul

Tue 5/13

1:40 am-10:45 am

1 stop10h 05m

$344

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Thu 4/10

8:00 am-4:20 pm

1 stop7h 20m

Istanbul

Wed 5/21

4:20 am-4:10 pm

2 stops12h 50m

$655

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Thu 4/17

7:35 pm-1:50 pm

1 stop17h 15m

Istanbul

Sun 4/20

3:35 am-6:50 pm

1 stop16h 15m

$858

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Sun 5/11

1:10 pm-11:20 pm

1 stop9h 10m

Istanbul

Sun 5/18

8:00 am-4:35 pm

1 stop9h 35m

$1,024

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Wed 4/30

7:45 pm-9:10 pm

2 stops24h 25m

Istanbul

Sat 5/3

12:10 am-8:45 am

2 stops33h 35m

$1,196

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 16 results
1
2

Compare providers for flights from Oslo Gardermoen to Istanbul

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 Oslo Gardermoen to Istanbul in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust 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 Oslo Gardermoen Airport-Istanbul Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oslo Gardermoen Airport-Istanbul Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Oslo Gardermoen Airport-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oslo Gardermoen Airport-Istanbul 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 Oslo Gardermoen Airport-Istanbul 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 Oslo Gardermoen to Istanbul

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

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

Use this chart to determine the optimal time to book a round-trip flight from Oslo Gardermoen to Istanbul. Price data was last updated on March 21, 2025.

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oslo Gardermoen Airport to Istanbul Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Istanbul Airport (average of $923). Flying from Oslo Gardermoen Airport to Istanbul Airport in June is currently the most expensive (average of $1,423). 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 OSL to IST?

Find hourly flight availability from Oslo Gardermoen to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

When flying from Oslo Gardermoen Airport to Istanbul Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 11% versus a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Oslo Gardermoen to Istanbul. Price data was last updated on March 23, 2025.

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

Rainfall in Istanbul by month

Plan your trip to Istanbul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Istanbul Airport ranges from 0.4 - 3.9 inches per month. December is typically the wettest month, when rainfall can reach 3.9 in. July is typically the driest time to visit Istanbul Airport when rainfall is around 0.4 in.

Temperature in Istanbul by month

Plan your trip to Istanbul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Istanbul Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. 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 Istanbul. Reviews last updated March 28, 2025.
Get a feel of what it's like to fly with Aegean Airlines, LOT and Finnair from Oslo to Istanbul by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very good
729 reviews

Comfort

7.8

Crew

8.6

Food

7.3

Entertainment

6.9

Boarding

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very good
729 reviews
Aegean Airlines
8.1
Very good
729 reviews

Comfort

7.8

Crew

8.6

Food

7.3

Entertainment

6.9

Boarding

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
LOT
7.6
Good
1,063 reviews
Aegean Airlines
8.1
Very good
729 reviews

Comfort

7.8

Crew

8.6

Food

7.3

Entertainment

6.9

Boarding

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Finnair
7.6
Good
1,267 reviews
Aegean Airlines
8.1
Very good
729 reviews

Comfort

7.8

Crew

8.6

Food

7.3

Entertainment

6.9

Boarding

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Turkish Airlines
7.3
Good
3,744 reviews
Aegean Airlines
8.1
Very good
729 reviews

Comfort

7.8

Crew

8.6

Food

7.3

Entertainment

6.9

Boarding

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Scandinavian Airlines
7.3
Good
1,325 reviews
Aegean Airlines
8.1
Very good
729 reviews

Comfort

7.8

Crew

8.6

Food

7.3

Entertainment

6.9

Boarding

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

Find useful and relevant information for your journey from Oslo Gardermoen to Istanbul. 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 Oslo Gardermoen Airport to Istanbul Airport round-trip?

    Cheapflights users have booked flights from Oslo Gardermoen Airport to Istanbul Airport round-trip from $243. Other airlines that can offer you cheap pricing are Air Serbia, from $266, and LOT, from $286. Turkish Airlines is currently priced 13% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Oslo Gardermoen Airport to Istanbul Airport one-way?

    The cheapest airlines for a one-way flight from Oslo Gardermoen Airport to Istanbul Airport are Air Serbia ($165), Turkish Airlines ($241), and Scandinavian Airlines ($493).

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

    The top 3 most reliable airlines when flying from Oslo Gardermoen Airport to Istanbul Airport are Turkish Airlines (82%), IndiGo (82%) and Thai Airways (81%).

  • What are the cheapest flights from Oslo Gardermoen Airport to Istanbul Airport?

    On average you can expect to pay $1,157 for a flight from Oslo Gardermoen Airport to Istanbul Airport. The cheapest flight overall is $148 while the most popular route, (Oslo Gardermoen - Istanbul) is currently priced at $182.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Istanbul Airport (average of $923). Flying from Oslo Gardermoen Airport to Istanbul Airport in June is currently the most expensive (average of $1,423). 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
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Top 4 airlines flying from Oslo Gardermoen to Istanbul

Discover the top 4 airlines that operate flights from Oslo Gardermoen to Istanbul. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
NorwegianCheapest$56Average$191FlexibilityNo cancel feeOn-time74%
Pegasus AirlinesCheapest$142Average$200FlexibilityNo cancel feeOn-time82%
Air SerbiaCheapest$217Average$356FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$221Average$300FlexibilityNo cancel feeOn-time77%
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