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Cheap flights from Oslo Gardermoen Airport to Istanbul Airport from C$ 197

OSL — IST
12 Oct — 19 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Oslo Gardermoen to Istanbul

Enter your travel dates to find the best prices.

Cheapest flights from Oslo Gardermoen to Istanbul

Tue 13/109:40 a.m. -
1 stop28h 20m
Thu 15/104:25 a.m. -
1 stop5h 30m
Deal found 9/9C$ 349
Tue 13/109:40 a.m. -
1 stop28h 20m
Fri 16/103:45 p.m. -
1 stop18h 10m
Deal found 9/9C$ 351
Mon 16/119:40 a.m. -
1 stop17h 00m
Fri 20/115:25 a.m. -
1 stop16h 40m
Deal found 10/9C$ 352
Sun 11/106:45 p.m. -
1 stop6h 20m
Wed 14/103:45 a.m. -
1 stop8h 10m
Deal found 9/9C$ 363
Sun 11/109:00 p.m. -
1 stop5h 40m
Mon 12/104:40 p.m. -
1 stop17h 15m
Deal found 9/9C$ 364
Sat 10/109:40 a.m. -
1 stop28h 20m
Fri 16/103:45 p.m. -
1 stop18h 10m
Deal found 9/9C$ 366
Sun 11/109:00 p.m. -
1 stop5h 40m
Tue 13/104:25 a.m. -
1 stop5h 30m
Deal found 10/9C$ 367
Mon 5/103:40 p.m. -
1 stop9h 25m
Tue 6/103:45 a.m. -
2 stops13h 00m
Deal found 8/9C$ 377
Mon 12/109:40 a.m. -
1 stop5h 15m
Tue 13/104:25 a.m. -
1 stop5h 30m
Deal found 8/9C$ 380
Thu 8/109:40 a.m. -
1 stop17h 00m
Tue 13/104:25 a.m. -
1 stop5h 30m
Deal found 8/9C$ 381
Sat 10/106:45 p.m. -
1 stop6h 20m
Fri 16/103:45 a.m. -
1 stop8h 10m
Deal found 8/9C$ 382

Find flight deals from Oslo Gardermoen to Istanbul

Round-trip from

C$ 349

One-way from

C$ 197

Popular in

July

Cheapest in

November

Average price

C$ 414

Good round-trip deal

C$ 3,089 or less
Air Serbia
  • Air Serbia
  • 13/10-14/10
  • 2 total stops
  • 35h 10m total
  • Oslo to Istanbul
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Air Serbia
  • Air Serbia
  • 1/2-31/12
  • 1 total stop
  • 17h 00m total
  • Oslo to Istanbul
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 178 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 29 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Oslo Gardermoen to Istanbul.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Mon 1/2

9:40 a.m.-4:40 a.m.

1 stop17h 00m

Istanbul

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 197

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Mon 26/10

9:40 a.m.-4:40 a.m.

1 stop17h 00m

Istanbul

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 198

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Mon 21/9

9:40 a.m.-3:40 a.m.

1 stop17h 00m

Istanbul

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 215
Quickest round-trip

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Wed 14/10

10:55 a.m.-3:50 p.m.

Nonstop3h 55m

Istanbul

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 285

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Tue 17/11

11:55 a.m.-6:00 p.m.

Nonstop4h 05m

Istanbul

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 287

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Mon 26/10

6:20 p.m.-12:20 a.m.

Nonstop4h 00m

Istanbul

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 288

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Mon 16/11

9:40 a.m.-4:40 a.m.

1 stop17h 00m

Istanbul

Fri 20/11

4:40 p.m.-8:05 p.m.

1 stop5h 25m

C$ 349

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Sun 11/10

11:45 a.m.-2:05 a.m.

1 stop13h 20m

Istanbul

Wed 14/10

3:45 a.m.-10:55 a.m.

1 stop8h 10m

C$ 351

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Tue 13/10

9:40 a.m.-3:40 a.m.

1 stop17h 00m

Istanbul

Mon 19/10

4:40 p.m.-8:55 a.m.

1 stop17h 15m

C$ 351

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Wed 7/10

6:45 p.m.-2:05 a.m.

1 stop6h 20m

Istanbul

Tue 13/10

3:45 a.m.-10:55 a.m.

1 stop8h 10m

C$ 363

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 16 resultsSorted by cheapest first
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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

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?

To ensure you get the cheapest price possible for a flight from Oslo Gardermoen Airport to Istanbul Airport, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 C$ 363). Flying from Oslo Gardermoen Airport to Istanbul Airport in July is currently the most expensive (average of C$ 677). 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?

When flying from Oslo Gardermoen Airport to Istanbul Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Airfare is typical for this route at the moment.

Oslo Gardermoen Airport to Istanbul Airport flights typically cost between C$ 305 and C$ 525 in October.
The cheapest round-trip price found within the last 5 days was C$ 349 on Air Serbia (13 Oct-15 Oct).

Related info for your journey

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

    Airlines like Air Serbia and Lufthansa fly from Oslo Gardermoen Airport to Istanbul Airport in about 6h 20m. The time it takes to get you to your destination can typically vary by up to 10h 40m. Airlines will cover a distance of 2424 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Before booking your flight to Istanbul Airport from Oslo Gardermoen Airport, check out the most reliable airlines to get you to your destination on time: Norwegian (100%), Norwegian (92%), Icelandair( 85%).

  • 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 C$ 363). Flying from Oslo Gardermoen Airport to Istanbul Airport in July is currently the most expensive (average of C$ 677). 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

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Need flexible booking options for your flight to Istanbul from Oslo Gardermoen? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Istanbul from Oslo Gardermoen today and book when prices fit your budget.

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