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$84+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — IST
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
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 61 days in advance, depart on a Thursday or Sunday and return on a Tuesday

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 agosto 20, 2025.

Round-trip from

$181
(FlightHub)

One-way from

$84
(Norwegian)

Popular in

July

Cheapest in

March

Average price

$273

Good round-trip deal

$616 or less

Good one-way deal

$251 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. 22% potential increase in price ($79 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 August 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 agosto 20, 2025.

This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/48:30 amOSL - IST
1 stop28h 45mairBaltic
mié. 11/124:00 pmIST - OSL
1 stop17h 45mairBaltic
Deal found 8/19$181
This Mytrip deal was found by Cheapflights users on 8/20. 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.
lun. 10/136:50 pmOSL - IST
1 stop8h 00mMultiple Airlines
vie. 10/174:50 pmIST - OSL
1 stop8h 05mMultiple Airlines
Deal found 8/20$192
This Norwegian deal was found by Cheapflights users on 8/20. 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 Norwegian is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/203:45 pmOSL - IST
Nonstop3h 50mNorwegian
mié. 9/109:20 pmIST - OSL
Nonstop3h 35mNorwegian
Deal found 8/20$194
This Gotogate deal was found by Cheapflights users on 8/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/103:45 pmOSL - IST
Nonstop3h 50mMultiple Airlines
vie. 9/264:20 amIST - OSL
1 stop16h 55mMultiple Airlines
Deal found 8/19$198
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
lun. 11/37:00 amOSL - IST
1 stop11h 05mMultiple Airlines
mié. 11/122:15 pmIST - OSL
1 stop8h 35mMultiple Airlines
Deal found 8/19$206
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
lun. 11/37:00 amOSL - IST
1 stop11h 05mMultiple Airlines
jue. 11/132:15 pmIST - OSL
1 stop8h 35mMultiple Airlines
Deal found 8/19$207
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
dom. 11/27:00 amOSL - IST
1 stop11h 05mMultiple Airlines
lun. 11/102:15 pmIST - OSL
1 stop11h 50mMultiple Airlines
Deal found 8/19$224
This Air Serbia deal was found by Cheapflights users on 8/19. 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.
dom. 11/28:50 pmOSL - IST
1 stop5h 35mAir Serbia
vie. 11/144:40 pmIST - OSL
1 stop5h 30mAir Serbia
Deal found 8/19$227
This Air Serbia deal was found by Cheapflights users on 8/19. 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.
dom. 11/28:50 pmOSL - IST
1 stop5h 35mAir Serbia
jue. 11/135:35 pmIST - OSL
1 stop28h 35mAir Serbia
Deal found 8/19$228
This Mytrip deal was found by Cheapflights users on 8/18. 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.
lun. 9/159:20 amOSL - IST
1 stop17h 30mMultiple Airlines
lun. 9/228:35 pmIST - OSL
2 stops19h 45mMultiple Airlines
Deal found 8/18$229

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 agosto 20, 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

mar. 11/4

8:30 am-3:15 pm

1 stop28h 45m

Istanbul

mié. 11/12

4:00 pm-7:45 am

1 stop17h 45m

$181

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

lun. 10/13

6:50 pm-3:50 am

1 stop8h 00m

Istanbul

vie. 10/17

4:50 pm-11:55 pm

1 stop8h 05m

$192

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

mié. 9/10

3:45 pm-8:35 pm

Nonstop3h 50m

Istanbul

vie. 9/26

4:20 am-8:15 pm

1 stop16h 55m

$198

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

lun. 11/3

7:00 am-8:05 pm

1 stop11h 05m

Istanbul

mié. 11/12

2:15 pm-8:50 pm

1 stop8h 35m

$206

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

lun. 11/3

7:00 am-8:05 pm

1 stop11h 05m

Istanbul

vie. 11/14

2:15 pm-8:50 pm

1 stop8h 35m

$206

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

lun. 11/3

7:00 am-8:05 pm

1 stop11h 05m

Istanbul

jue. 11/13

2:15 pm-8:50 pm

1 stop8h 35m

$207

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

lun. 11/3

7:00 am-8:05 pm

1 stop11h 05m

Istanbul

lun. 11/10

2:15 pm-12:05 am

1 stop11h 50m

$224

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

dom. 11/2

7:00 am-8:05 pm

1 stop11h 05m

Istanbul

lun. 11/10

2:15 pm-12:05 am

1 stop11h 50m

$224

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

dom. 11/2

8:50 pm-4:25 am

1 stop5h 35m

Istanbul

vie. 11/14

4:40 pm-8:10 pm

1 stop5h 30m

$227

OsloIstanbul

OSL - IST

OSLIST

Oslo Gardermoen

mié. 8/27

3:45 pm-8:35 pm

Nonstop3h 50m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 19 results
1
2

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 August 8, 2025.

Booking 61 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 $1,359). 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 agosto 20, 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 10% 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 agosto 20, 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
234 reviews

Comfort

7.5

Overall

7.8

Boarding

7.7

Crew

8.1

Food

6.5

Entertainment

6.0

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

Overall

7.8

Boarding

7.7

Crew

8.1

Food

6.5

Entertainment

6.0

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

Overall

7.8

Boarding

7.7

Crew

8.1

Food

6.5

Entertainment

6.0

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

Overall

7.8

Boarding

7.7

Crew

8.1

Food

6.5

Entertainment

6.0

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.

  • 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 $218. Pegasus Airlines is currently priced 48% 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 Air Sweden (100%), Norwegian (94%) and Turkish Airlines (83%).

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

    On average you can expect to pay $1,115 for a flight from Oslo Gardermoen Airport to Istanbul Airport. The cheapest flight overall is $75 while the most popular route, (Oslo Gardermoen - Istanbul) is currently priced at $255.

  • 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 $1,359). 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 agosto 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Pegasus AirlinesCheapest$142Average$195FlexibilityNo cancel feeOn-time82%
NorwegianCheapest$149Average$227FlexibilityNo cancel feeOn-time74%
Turkish AirlinesCheapest$218Average$287FlexibilityNo cancel feeOn-time77%

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