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Cheap flights from Oslo Gardermoen Airport to Istanbul Airport from £103

OSL — IST
7 Oct — 14 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

Mon 21/911:45 -
1 stop13h 20m
Mon 28/903:45 -
1 stop8h 10m
Deal found 6/9£172
Mon 16/1109:40 -
1 stop17h 00m
Fri 20/1116:40 -
1 stop5h 25m
Deal found 7/9£186
Sun 20/918:45 -
1 stop6h 20m
Wed 23/903:45 -
1 stop8h 10m
Deal found 4/9£190
Wed 7/1018:45 -
1 stop6h 20m
Tue 13/1003:45 -
1 stop8h 10m
Deal found 7/9£194
Sat 10/1009:40 -
1 stop17h 00m
Mon 19/1004:25 -
1 stop5h 30m
Deal found 4/9£194
Thu 15/1018:45 -
1 stop6h 20m
Wed 21/1003:45 -
1 stop8h 10m
Deal found 6/9£203
Thu 15/1009:40 -
1 stop17h 00m
Thu 22/1016:40 -
1 stop28h 35m
Deal found 7/9£207
Wed 16/918:45 -
1 stop6h 20m
Tue 29/903:45 -
1 stop8h 10m
Deal found 4/9£212
Tue 22/917:05 -
2 stops8h 00m
Sun 27/903:45 -
1 stop8h 10m
Deal found 3/9£215
Tue 22/913:10 -
2 stops11h 55m
Mon 28/903:45 -
1 stop8h 10m
Deal found 5/9£218

Find flight deals from Oslo Gardermoen to Istanbul

Round-trip from

£172

One-way from

£103

Popular in

July

Cheapest in

November

Average price

£221

Good round-trip deal

£405 or less

Good one-way deal

£329 or less
Lufthansa
  • Lufthansa
  • 21/9-28/9
  • 2 total stops
  • 21h 30m total
  • Oslo to Istanbul
Search Deals
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 (£50 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return 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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Price to beat on a one-way 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 return flight

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Mon 1/2

09:40-04:40

1 stop17h 00m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£103

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Thu 31/12

09:40-04:40

1 stop17h 00m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£105

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Tue 22/9

09:40-03:40

1 stop17h 00m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£105

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Wed 16/9

21:00-03:40

1 stop5h 40m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£112

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Thu 1/10

09:40-03:40

1 stop17h 00m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£113
Fastest return journey

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Tue 17/11

11:55-18:00

Nonstop4h 05m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£152

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Mon 21/9

11:45-02:05

1 stop13h 20m

Istanbul

Mon 28/9

03:45-10:55

1 stop8h 10m

£172

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Mon 16/11

09:40-04:40

1 stop17h 00m

Istanbul

Fri 20/11

16:40-20:05

1 stop5h 25m

£186

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Wed 7/10

18:45-02:05

1 stop6h 20m

Istanbul

Tue 13/10

03:45-10:55

1 stop8h 10m

£194

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Sat 10/10

09:40-03:40

1 stop17h 00m

Istanbul

Mon 19/10

04:25-08:55

1 stop5h 30m

£194

Flights are sorted by cheapest return flights first.

Deals found on 3/9

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 return 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?

The best time to book flights from Oslo Gardermoen Airport to Istanbul Airport is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 £194). Flying from Oslo Gardermoen Airport to Istanbul Airport in July is currently the most expensive (average of £361). 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 fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 53% versus a flight in the morning.

How much does it cost for a return flight 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 £163 and £280 in September.
The cheapest return price found within the last 5 days was £172 on Lufthansa (21 Sept–28 Sept).

Reviews of airlines servicing Istanbul

Check out reviews from past customers who have flown with Turkish Airlines and Pegasus Airlines from Oslo Gardermoen Airport to Istanbul Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.4
Good
4,477 reviews
Check prices

Food

7.5

Comfort

7.3

Crew

7.8

Overall

7.4

Boarding

7.3

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

UBN - IST

Crew were friendly and Turkish has a good selection of movies. The boarding process was a bit chaotic, as usual, but departed on time. Food was good again.
Turkish Airlines
7.4
Good
4,477 reviews
Turkish Airlines
7.4
Good
4,477 reviews
Check prices

Food

7.5

Comfort

7.3

Crew

7.8

Overall

7.4

Boarding

7.3

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

UBN - IST

Crew were friendly and Turkish has a good selection of movies. The boarding process was a bit chaotic, as usual, but departed on time. Food was good again.
Pegasus Airlines
6.6
Okay
631 reviews
Turkish Airlines
7.4
Good
4,477 reviews
Check prices

Food

7.5

Comfort

7.3

Crew

7.8

Overall

7.4

Boarding

7.3

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

UBN - IST

Crew were friendly and Turkish has a good selection of movies. The boarding process was a bit chaotic, as usual, but departed on time. Food was good again.

Related info for your journey

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

    Air Serbia and Lufthansa can get you from Oslo Gardermoen Airport to Istanbul Airport in just under 6h 20m. Your travel time can differ by up to 10h 40m. Airlines will cover a distance of 1506 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Oslo Gardermoen Airport to Istanbul Airport round-trip?

    According to our current data, Pegasus Airlines (£116), and Turkish Airlines (£164) offers the cheapest pricing from Oslo Gardermoen Airport to Istanbul Airport. Pegasus Airlines is currently priced 52% 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?

    £67 is the cheapest one-way deal found within the past few days, from Pegasus Airlines. You may also be able to find cheap deals on Air Serbia and Turkish Airlines, with prices starting from £89 and £146, respectively.

  • 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 (100%), Norwegian (92%) and 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 holiday 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 £194). Flying from Oslo Gardermoen Airport to Istanbul Airport in July is currently the most expensive (average of £361). 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

Travelling to a place near Istanbul Airport?

Book flights to Istanbul Airport if you plan to visit one of these locations
Yalova

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Oslo Gardermoen to Istanbul

AirlineCheapestAverageFlexibilityOn-time
Pegasus AirlinesCheapest£116Average£162FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Turkish AirlinesCheapest£164Average£211FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

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Yes, Cheapflights offers price alerts on Oslo Gardermoen to Istanbul flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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