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Cheap flights from Oslo Gardermoen Airport to Istanbul Airport from £83

OSL — IST
27 Oct — 3 Nov1
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

Sat 7/1106:05 -
1 stop8h 50m
Tue 10/1118:00 -
1 stop6h 40m
Deal found 24/9£177
Mon 16/1109:40 -
1 stop17h 00m
Fri 20/1105:25 -
1 stop16h 40m
Deal found 26/9£186
Thu 5/1106:15 -
1 stop14h 30m
Wed 11/1119:05 -
1 stop6h 35m
Deal found 27/9£190
Thu 5/1109:40 -
1 stop17h 00m
Wed 11/1116:40 -
1 stop18h 15m
Deal found 26/9£195
Mon 12/1009:40 -
1 stop17h 00m
Thu 15/1004:25 -
1 stop5h 30m
Deal found 24/9£196
Wed 30/921:00 -
1 stop5h 40m
Tue 13/1004:25 -
1 stop5h 30m
Deal found 25/9£203
Mon 16/1111:30 -
Nonstop4h 05m
Fri 20/1115:25 -
Nonstop4h 00m
Deal found 25/9£205
Mon 12/1009:40 -
1 stop17h 00m
Mon 19/1016:40 -
1 stop17h 15m
Deal found 26/9£207
Mon 26/1009:40 -
1 stop17h 00m
Wed 4/1116:40 -
1 stop18h 15m
Deal found 23/9£208
Thu 15/1006:45 -
1 stop13h 40m
Thu 22/1013:55 -
1 stop11h 20m
Deal found 26/9£217

Find flight deals from Oslo Gardermoen to Istanbul

Round-trip from

£177

One-way from

£83

Popular in

July

Cheapest in

November

Average price

£251

Good round-trip deal

£589 or less

Good one-way deal

£192 or less
KLM
  • KLM
  • 7/11-10/11
  • 2 total stops
  • 15h 30m total
  • Oslo to Istanbul
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12/10-31/12
  • 12/10-31/12
  • 1 total stop
  • 23h 45m total
  • Oslo to Istanbul
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£51 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).
Search Deals
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

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Route

Depart

Return

Price

Cheapest return flight

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Mon 12/10

18:45-19:30

1 stop23h 45m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£83

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Sun 11/10

21:00-03:40

1 stop5h 40m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£113

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Tue 17/11

11:30-17:35

Nonstop4h 05m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£153

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Mon 26/10

18:20-00:20

Nonstop4h 00m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£153
Fastest return journey

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Mon 12/10

19:00-23:40

Nonstop3h 40m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£175

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Mon 16/11

09:40-04:40

1 stop17h 00m

Istanbul

Fri 20/11

05:25-20:05

1 stop16h 40m

£186

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Thu 5/11

06:15-22:45

1 stop14h 30m

Istanbul

Wed 11/11

19:05-23:40

1 stop6h 35m

£190

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Sun 18/10

13:05-02:05

2 stops12h 00m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£196

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Fri 9/10

13:05-02:05

2 stops12h 00m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£197

OsloIstanbul

OSL Oslo Gardermoen - IST Istanbul

OSLIST

Oslo Gardermoen

Mon 16/11

11:30-17:35

Nonstop4h 05m

Istanbul

Fri 20/11

15:25-17:25

Nonstop4h 00m

£205

Flights are sorted by cheapest return flights first.

Deals found on 23/9

Showing 1-10 of 19 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 £198). Flying from Oslo Gardermoen Airport to Istanbul Airport in July is currently the most expensive (average of £368). 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 in the evening, which can drop the price by up to 21% versus a flight in the afternoon.

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 £165 and £271 in November.
The cheapest return price found within the last 5 days was £177 on KLM (7 Nov–10 Nov).

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
4,459 reviews
Check prices

Boarding

7.3

Entertainment

7.5

Comfort

7.3

Food

7.5

Overall

7.4

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2026

SEA - IST

I was in business class on this airplane for a 12 hour flight from Seattle to Istanbul. It was about the smoothest in the most luxurious flight. I think I have ever been on. The staff were excellent and extremely patient which I really appreciate it. Given the opportunity, I will certainly choose Turkish Airlines in the future. Job well done, hope to see you again in the future
Turkish Airlines
7.4
Good
4,459 reviews
Turkish Airlines
7.4
Good
4,459 reviews
Check prices

Boarding

7.3

Entertainment

7.5

Comfort

7.3

Food

7.5

Overall

7.4

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2026

SEA - IST

I was in business class on this airplane for a 12 hour flight from Seattle to Istanbul. It was about the smoothest in the most luxurious flight. I think I have ever been on. The staff were excellent and extremely patient which I really appreciate it. Given the opportunity, I will certainly choose Turkish Airlines in the future. Job well done, hope to see you again in the future
Pegasus Airlines
6.6
Okay
620 reviews
Turkish Airlines
7.4
Good
4,459 reviews
Check prices

Boarding

7.3

Entertainment

7.5

Comfort

7.3

Food

7.5

Overall

7.4

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2026

SEA - IST

I was in business class on this airplane for a 12 hour flight from Seattle to Istanbul. It was about the smoothest in the most luxurious flight. I think I have ever been on. The staff were excellent and extremely patient which I really appreciate it. Given the opportunity, I will certainly choose Turkish Airlines in the future. Job well done, hope to see you again in the future

Related info for your journey

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

    Lufthansa, Turkish Airlines, and Air Serbia can get you from Oslo Gardermoen Airport to Istanbul Airport in just under 4h 05m. Your travel time can differ by up to 24h 10m. 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 (£117), and Turkish Airlines (£168) offers the cheapest pricing from Oslo Gardermoen Airport to Istanbul Airport. Pegasus Airlines is currently priced 53% 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?

    £68 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 £91 and £149, 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 (100%) and Icelandair (83%).

  • 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 £198). Flying from Oslo Gardermoen Airport to Istanbul Airport in July is currently the most expensive (average of £368). 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£117Average£157FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Turkish AirlinesCheapest£168Average£215FlexibilityNo 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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