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$89+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — IST
Nov 23 — Nov 301
Sun 11/23
Sun 11/30
1 adult, Economy
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Cheapflights Tip: The best prices from Oslo Gardermoen to Istanbul are usually found in March or May, booked 66 days in advance, depart on a Thursday or Sunday and return on a Wednesday

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 October 24, 2025.

This Air France deal was found by Cheapflights users on 10/23. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:20 pmOSL - IST
1 stop8h 30mMultiple Airlines
Wed 11/265:55 pmIST - OSL
1 stop19h 55mMultiple Airlines
Deal found 10/23$217
This Air Serbia deal was found by Cheapflights users on 10/22. 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.
Fri 11/218:50 pmOSL - IST
1 stop5h 35mAir Serbia
Fri 11/285:20 amIST - OSL
1 stop16h 50mAir Serbia
Deal found 10/22$220
This Air France deal was found by Cheapflights users on 10/23. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:20 pmOSL - IST
1 stop8h 30mMultiple Airlines
Thu 11/135:55 pmIST - OSL
1 stop16h 45mMultiple Airlines
Deal found 10/23$232
This Expedia deal was found by Cheapflights users on 10/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/223:45 pmOSL - IST
Nonstop3h 50mMultiple Airlines
Thu 10/305:35 pmIST - OSL
1 stop28h 35mMultiple Airlines
Deal found 10/22$253
This SmartFares deal was found by Cheapflights users on 10/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/26:15 pmOSL - IST
Nonstop4h 00mTurkish Airlines
Fri 11/711:50 amIST - OSL
Nonstop4h 05mTurkish Airlines
Deal found 10/22$265
This Turkish Airlines deal was found by Cheapflights users on 10/22. 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 11/1711:55 amOSL - IST
Nonstop4h 00mTurkish Airlines
Fri 11/2111:50 amIST - OSL
Nonstop4h 05mTurkish Airlines
Deal found 10/22$271
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Sun 11/28:50 pmOSL - IST
1 stop5h 35mAir Serbia
Fri 11/74:40 pmIST - OSL
1 stop5h 30mAir Serbia
Deal found 10/22$278
This Air Serbia deal was found by Cheapflights users on 10/22. 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.
Sun 11/28:50 pmOSL - IST
1 stop17h 05mAir Serbia
Thu 11/65:35 pmIST - OSL
1 stop28h 35mAir Serbia
Deal found 10/22$280
This Air Serbia deal was found by Cheapflights users on 10/23. 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 10/309:40 amOSL - IST
1 stop5h 10mAir Serbia
Thu 11/65:35 pmIST - OSL
1 stop28h 35mAir Serbia
Deal found 10/23$281
This Mytrip deal was found by Cheapflights users on 10/22. 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.
Wed 10/223:45 pmOSL - IST
Nonstop3h 50mMultiple Airlines
Wed 10/297:50 amIST - OSL
1 stop28h 00mMultiple Airlines
Deal found 10/22$285
This SmartFares deal was found by Cheapflights users on 10/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:55 amOSL - IST
Nonstop4h 00mTurkish Airlines
Thu 11/139:00 amIST - OSL
Nonstop4h 00mTurkish Airlines
Deal found 10/23$290

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 October 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Air France)

One-way from

$89
(Mytrip)

Popular in

July

Cheapest in

March

Average price

$254

Good round-trip deal

$579 or less

Good one-way deal

$314 or less
Provider with most accurate pricing for Oslo Gardermoen-Istanbul flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oslo Gardermoen-Istanbul flights.
Search Deals
From Oslo Gardermoen to Istanbul
Search Deals
One-way flight from Oslo Gardermoen to Istanbul
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Oslo Gardermoen to Istanbul.
Search Deals
Price to beat on a one-way flight from Oslo Gardermoen to Istanbul.
Search Deals

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 October 24, 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

Thu 11/6

5:20 pm-3:50 am

1 stop8h 30m

Istanbul

Thu 11/13

5:55 pm-8:40 am

1 stop16h 45m

$232

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Mon 11/17

11:55 am-5:55 pm

Nonstop4h 00m

Istanbul

Fri 11/21

11:50 am-1:55 pm

Nonstop4h 05m

$271

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Mon 11/3

9:40 am-4:50 am

1 stop17h 10m

Istanbul

Sat 11/15

5:35 pm-8:10 pm

1 stop28h 35m

$281

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Wed 11/19

11:55 am-5:55 pm

Nonstop4h 00m

Istanbul

Wed 11/26

3:20 pm-5:20 pm

Nonstop4h 00m

$285

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Thu 11/6

11:55 am-5:55 pm

Nonstop4h 00m

Istanbul

Thu 11/13

9:00 am-11:00 am

Nonstop4h 00m

$290

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Wed 11/5

1:50 pm-10:45 pm

1 stop6h 55m

Istanbul

Thu 11/20

7:00 pm-11:45 pm

1 stop6h 45m

$306

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Mon 11/3

9:40 am-4:50 am

1 stop17h 10m

Istanbul

Fri 11/7

5:20 am-8:10 pm

1 stop16h 50m

$310

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Wed 11/5

6:15 pm-12:15 am

Nonstop4h 00m

Istanbul

Sun 11/16

11:50 am-1:55 pm

Nonstop4h 05m

$329

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Sat 12/6

11:50 am-10:45 pm

2 stops8h 55m

Istanbul

Sat 12/13

6:30 am-5:40 pm

2 stops13h 10m

$339

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Thu 11/6

6:15 am-10:45 pm

1 stop14h 30m

Istanbul

Thu 11/13

7:00 pm-11:00 am

2 stops18h 00m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

Showing 1-10 of 20 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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice 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 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 October 17, 2025.

Booking 66 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, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Istanbul Airport (average of $101). Flying from Oslo Gardermoen Airport to Istanbul Airport in July is currently the most expensive (average of $200). 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 October 24, 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 in the evening, which can drop the price by up to 33% versus a flight in the afternoon.

How much does it cost to fly round-trip from Oslo Gardermoen Airport to Istanbul Airport?

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 October 24, 2025.
Read through reviews of airlines operating flights from Oslo Gardermoen Airport to Istanbul 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
235 reviews

Entertainment

6.0

Boarding

7.7

Overall

7.8

Comfort

7.6

Food

6.6

Crew

8.2

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
235 reviews
Norwegian
7.8
Good
235 reviews

Entertainment

6.0

Boarding

7.7

Overall

7.8

Comfort

7.6

Food

6.6

Crew

8.2

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
4,023 reviews
Norwegian
7.8
Good
235 reviews

Entertainment

6.0

Boarding

7.7

Overall

7.8

Comfort

7.6

Food

6.6

Crew

8.2

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
635 reviews
Norwegian
7.8
Good
235 reviews

Entertainment

6.0

Boarding

7.7

Overall

7.8

Comfort

7.6

Food

6.6

Crew

8.2

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 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.

  • How long is the flight from Oslo Gardermoen Airport to Istanbul Airport?

    Airlines like Air Serbia and Turkish Airlines fly from Oslo Gardermoen Airport to Istanbul Airport in about 4h. The time it takes to get you to your destination can typically vary by up to 1h 35m. The distance between Oslo Gardermoen Airport and Istanbul Airport is about 1506 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $123. Other airlines that can offer you cheap pricing are Norwegian, from $149, and Turkish Airlines, from $212. Pegasus Airlines is currently priced 56% below the average price you’ll pay for this route.

  • 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 Norwegian (86%), IndiGo (82%) and Turkish Airlines (80%).

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

    On average you can expect to pay $1,320 for a flight from Oslo Gardermoen Airport to Istanbul Airport. The cheapest flight overall is $149 while the most popular route, (Oslo Gardermoen - Istanbul) is currently priced at $357.

  • 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, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Istanbul Airport (average of $101). Flying from Oslo Gardermoen Airport to Istanbul Airport in July is currently the most expensive (average of $200). 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 Istanbul Airport?

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Top 3 airlines flying from Oslo Gardermoen to Istanbul

Discover the top 3 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 October 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Pegasus AirlinesCheapest$123Average$199FlexibilityNo cancel feeOn-time82%
NorwegianCheapest$149Average$371FlexibilityNo cancel feeOn-time74%
Turkish AirlinesCheapest$212Average$295FlexibilityNo cancel feeOn-time77%

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