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$91+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — IST
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 82 days in advance, depart on a Thursday or Sunday and return on a Wednesday

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 September 17, 2025.

Round-trip from

$172
(Mytrip)

One-way from

$91
(Mytrip)

Popular in

July

Cheapest in

March

Average price

$235

Good round-trip deal

$566 or less

Good one-way deal

$209 or less
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. 21% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Mytrip deal was found by Cheapflights users on 9/15. 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.
Sun 10/196:05 amOSL - IST
Nonstop3h 50mNorwegian
Wed 10/229:20 pmIST - OSL
Nonstop3h 35mNorwegian
Deal found 9/15$172
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/196:05 amOSL - IST
Nonstop3h 50mMultiple Airlines
Wed 10/224:45 amIST - OSL
1 stop8h 40mMultiple Airlines
Deal found 9/15$206
This Air France deal was found by Cheapflights users on 9/17. 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.
Mon 12/17:00 pmOSL - IST
1 stop19h 55mKLM
Sun 12/75:55 pmIST - OSL
1 stop19h 55mKLM
Deal found 9/17$216
This Air Serbia deal was found by Cheapflights users on 9/15. 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 12/128:50 pmOSL - IST
1 stop5h 35mAir Serbia
Mon 12/155:30 amIST - OSL
1 stop5h 30mAir Serbia
Deal found 9/15$223
This Air Serbia deal was found by Cheapflights users on 9/15. 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 11/78:50 pmOSL - IST
1 stop5h 35mAir Serbia
Fri 11/144:40 pmIST - OSL
1 stop5h 30mAir Serbia
Deal found 9/15$224
This Air Serbia deal was found by Cheapflights users on 9/17. 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.
Mon 10/139:45 amOSL - IST
1 stop16h 45mAir Serbia
Mon 10/204:20 amIST - OSL
1 stop5h 40mAir Serbia
Deal found 9/17$226
This Air Serbia deal was found by Cheapflights users on 9/15. 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 10/199:00 pmOSL - IST
1 stop5h 30mAir Serbia
Thu 10/234:20 amIST - OSL
1 stop5h 40mAir Serbia
Deal found 9/15$234
This Air Serbia deal was found by Cheapflights users on 9/17. 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 10/169:45 amOSL - IST
1 stop16h 45mAir Serbia
Mon 10/275:30 amIST - OSL
1 stop5h 30mAir Serbia
Deal found 9/17$241
This Air Serbia deal was found by Cheapflights users on 9/15. 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 10/199:00 pmOSL - IST
1 stop5h 30mAir Serbia
Mon 10/275:30 amIST - OSL
1 stop5h 30mAir Serbia
Deal found 9/15$249
This Air Serbia deal was found by Cheapflights users on 9/16. 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 10/179:00 pmOSL - IST
1 stop17h 50mAir Serbia
Sun 10/193:40 pmIST - OSL
1 stop18h 20mAir Serbia
Deal found 9/16$254

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 September 17, 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

Fri 12/12

8:50 pm-4:25 am

1 stop5h 35m

Istanbul

Mon 12/15

5:30 am-9:00 am

1 stop5h 30m

$223

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Fri 11/7

8:50 pm-4:25 am

1 stop5h 35m

Istanbul

Fri 11/14

4:40 pm-8:10 pm

1 stop5h 30m

$224

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Fri 10/31

8:50 pm-4:25 am

1 stop5h 35m

Istanbul

Fri 11/7

5:20 am-8:10 pm

1 stop16h 50m

$225

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Sun 1/4

8:50 pm-4:25 am

1 stop5h 35m

Istanbul

Mon 1/12

5:30 am-9:00 am

1 stop5h 30m

$226

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Mon 10/20

9:45 am-3:50 pm

1 stop5h 05m

Istanbul

Mon 10/27

5:30 am-9:00 am

1 stop5h 30m

$226

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Sun 10/19

9:00 pm-3:30 am

1 stop5h 30m

Istanbul

Thu 10/23

4:20 am-9:00 am

1 stop5h 40m

$234

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Mon 10/20

9:45 am-3:50 pm

1 stop5h 05m

Istanbul

Thu 10/23

4:20 am-9:00 am

1 stop5h 40m

$234

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Sun 1/4

8:50 pm-4:25 am

1 stop5h 35m

Istanbul

Thu 1/8

5:35 pm-8:10 pm

1 stop28h 35m

$241

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Sun 10/12

9:00 pm-3:50 pm

1 stop17h 50m

Istanbul

Sun 10/19

3:40 pm-9:00 am

1 stop18h 20m

$241

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

Sun 1/4

8:50 pm-4:25 am

1 stop5h 35m

Istanbul

Wed 1/7

4:40 pm-9:00 am

1 stop18h 20m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 22 results
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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 September 12, 2025.

Booking 82 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, October is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Istanbul Airport (average of $910). Flying from Oslo Gardermoen Airport to Istanbul Airport in June is currently the most expensive (average of $1,358). 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 September 17, 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 morning, which can drop the price by up to 8% 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 September 17, 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
233 reviews

Comfort

7.6

Entertainment

6.0

Food

6.6

Overall

7.8

Crew

8.1

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
233 reviews
Norwegian
7.8
Good
233 reviews

Comfort

7.6

Entertainment

6.0

Food

6.6

Overall

7.8

Crew

8.1

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
3,965 reviews
Norwegian
7.8
Good
233 reviews

Comfort

7.6

Entertainment

6.0

Food

6.6

Overall

7.8

Crew

8.1

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
6.8
Okay
638 reviews
Norwegian
7.8
Good
233 reviews

Comfort

7.6

Entertainment

6.0

Food

6.6

Overall

7.8

Crew

8.1

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 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 fly from Oslo Gardermoen Airport to Istanbul Airport in about 5h 35m. The time it takes to get you to your destination can typically vary by up to . The distance between Oslo Gardermoen Airport and Istanbul Airport is about 1506 mi.

  • 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 $142. Other airlines that can offer you cheap pricing are Norwegian, from $149, and Turkish Airlines, from $212. Pegasus Airlines is currently priced 48% 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 ($124), Turkish Airlines ($156), and Norwegian ($158).

  • 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 (83%), Norwegian (82%) and Thai Airways (80%).

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

    On average you can expect to pay $1,110 for a flight from Oslo Gardermoen Airport to Istanbul Airport. The cheapest flight overall is $129 while the most popular route, (Oslo Gardermoen - Istanbul) is currently priced at $206.

  • 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, October is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Istanbul Airport (average of $910). Flying from Oslo Gardermoen Airport to Istanbul Airport in June is currently the most expensive (average of $1,358). 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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Yalova

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Pegasus AirlinesCheapest$142Average$193FlexibilityNo cancel feeOn-time82%
NorwegianCheapest$149Average$349FlexibilityNo cancel feeOn-time74%
Turkish AirlinesCheapest$212Average$306FlexibilityNo cancel feeOn-time77%

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