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£66 Cheap Flights from Oslo (OSL) to Istanbul (IST)

View £66 flight on Sun, 16 Aug 2026Opens in a new window

Popular airlines from Gardermoen Airport (OSL) to Istanbul Airport (IST)

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Cheap Flights from Oslo (OSL) to Istanbul (IST)

Prices were available within the past 7 days and start at £66 for one-way flights and £174 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, 23 Sept - Tue, 29 Sept
OSL
Oslo
IST
Istanbul
£174 Return, found 9 hours ago
£174
Return
found 9 hours ago
Select Lufthansa flight, departing Wed, 23 Sept from Oslo to Istanbul, returning Tue, 29 Sept, priced at £174 found 9 hours ago
Air Baltic
Thu, 27 Aug - Wed, 9 Sept
OSL
Oslo
IST
Istanbul
£182 Return, found 6 days ago
£182
Return
found 6 days ago
Select Air Baltic flight, departing Thu, 27 Aug from Oslo to Istanbul, returning Wed, 9 Sept, priced at £182 found 6 days ago
Lufthansa
Wed, 23 Sept - Tue, 29 Sept
OSL
Oslo
IST
Istanbul
£186 Return, found 9 hours ago
£186
Return
found 9 hours ago
Select Lufthansa flight, departing Wed, 23 Sept from Oslo to Istanbul, returning Tue, 29 Sept, priced at £186 found 9 hours ago
Air Baltic
Thu, 7 Jan - Mon, 11 Jan
OSL
Oslo
IST
Istanbul
£190 Return, found 2 hours ago
£190
Return
found 2 hours ago
Select Air Baltic flight, departing Thu, 7 Jan from Oslo to Istanbul, returning Mon, 11 Jan, priced at £190 found 2 hours ago
KLM
Thu, 7 Jan - Mon, 11 Jan
OSL
Oslo
IST
Istanbul
£190 Return, found 2 hours ago
£190
Return
found 2 hours ago
Select KLM flight, departing Thu, 7 Jan from Oslo to Istanbul, returning Mon, 11 Jan, priced at £190 found 2 hours ago
Lufthansa
Wed, 23 Sept - Sat, 26 Sept
OSL
Oslo
IST
Istanbul
£196 Return, found 1 day ago
£196
Return
found 1 day ago
Select Lufthansa flight, departing Wed, 23 Sept from Oslo to Istanbul, returning Sat, 26 Sept, priced at £196 found 1 day ago
LOT-Polish Airlines
Fri, 25 Dec - Fri, 1 Jan
OSL
Oslo
IST
Istanbul
£197 Return, found 10 hours ago
£197
Return
found 10 hours ago
Select LOT-Polish Airlines flight, departing Fri, 25 Dec from Oslo to Istanbul, returning Fri, 1 Jan, priced at £197 found 10 hours ago
Air Baltic
Thu, 7 Jan - Mon, 11 Jan
OSL
Oslo
IST
Istanbul
£201 Return, found 2 hours ago
£201
Return
found 2 hours ago
Select Air Baltic flight, departing Thu, 7 Jan from Oslo to Istanbul, returning Mon, 11 Jan, priced at £201 found 2 hours ago
Lufthansa
Wed, 23 Sept - Tue, 29 Sept
OSL
Oslo
IST
Istanbul
£203 Return, found 9 hours ago
£203
Return
found 9 hours ago
Select Lufthansa flight, departing Wed, 23 Sept from Oslo to Istanbul, returning Tue, 29 Sept, priced at £203 found 9 hours ago
Aegean
Thu, 7 Jan - Mon, 11 Jan
OSL
Oslo
IST
Istanbul
£210 Return, found 2 hours ago
£210
Return
found 2 hours ago
Select Aegean flight, departing Thu, 7 Jan from Oslo to Istanbul, returning Mon, 11 Jan, priced at £210 found 2 hours ago

Alternative airports near Istanbul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Istanbul Airport IST. Cheapest option available. Average driving time to city centre is 35 minutes. Flights from £307
IST
Istanbul Airport
Cheapest
Average driving time to city centre35 min
Flights from £307

Find the cheapest month to fly from Oslo (OSL) to Istanbul (IST)

January is typically the cheapest month to fly

From £78 - £274 per traveller.

Frequently asked questions

How much does a flight from Oslo (OSL-Gardermoen) to Istanbul (IST) cost?
You can find cheap one-way flights from £66 and cheap return flights from £174 OSL to IST with Expedia. Return flights often range between £274 and £1627. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when OSL to IST ticket fares go up or down.
What is the cheapest month to fly from Oslo (OSL-Gardermoen) to Istanbul (IST)?
The cheapest months to fly from OSL to IST are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Oslo (OSL-Gardermoen) to Istanbul (IST)?
There are 2 airlines offering direct flights from Oslo (OSL-Gardermoen) to Istanbul (IST). Here are the carriers:
  • Turkish Airlines operates 18 direct flights from Oslo (OSL-Gardermoen) to Istanbul (IST) every week.
  • Norwegian Air Shuttle operates 7 direct flights from Oslo (OSL-Gardermoen) to Istanbul (IST) every week.
What is the cheapest airline that flies from Oslo (OSL-Gardermoen) to Istanbul (IST)?
Pegasus Airlines is one of the cheapest airlines offering nonstop return flights from Oslo (OSL-Gardermoen) to Istanbul (IST), with tickets starting from around £176 for flights that can be booked for departure within the next year. Air Serbia is one of the cheapest airlines offering connecting return flights on this route, with tickets starting from around £216. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Oslo (OSL-Gardermoen) to Istanbul (IST)?
To find a cheap flight from Oslo (OSL-Gardermoen) to Istanbul (IST), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Oslo (OSL-Gardermoen) to Istanbul (IST)?
The best airline to fly with from Oslo (OSL-Gardermoen) to Istanbul (IST) will differ from traveler to traveler. If you like to fly early, Turkish Airlines offers early morning flights. If price is the most important factor, Pegasus Airlines typically offers the lowest fares. Lufthansa offers the most daily flights from Oslo (OSL-Gardermoen) to Istanbul (IST), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Oslo (OSL-Gardermoen) to Istanbul (IST)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Oslo (OSL-Gardermoen) to Istanbul (IST)?
You'll find around 3 nonstop flights per day from Oslo (OSL-Gardermoen) to Istanbul (IST). For even more choices, look at flights that include layovers, as there are approximately 67 connecting flights per day. Some common connection points include Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC), and Kastrup (CPH).
What is the earliest flight from Oslo (OSL-Gardermoen) to Istanbul (IST)?
The earliest flight from Oslo (OSL-Gardermoen) to Istanbul (IST) typically departs around 5:35 AM. This service is seasonal, active in June, July, and August, and is operated by airlines such as Helvetic Airways, Air Baltic, and Turkish Airlines. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Oslo (OSL-Gardermoen) to Istanbul (IST)?
You'll typically find the most flights from Oslo (OSL-Gardermoen) to Istanbul (IST) on a Wednesday, with around 46 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include SAS, Lufthansa, and KLM. Flight schedules are fairly consistent throughout the week, so you'll have plenty of choices no matter which day you choose to fly.
What are the most popular departure times for flights from Oslo (OSL-Gardermoen) to Istanbul (IST)?
The most popular departure times for flights from Oslo (OSL-Gardermoen) to Istanbul (IST) are in the early morning, from 6am to 9am. Many major carriers, including Lufthansa, SAS and KLM, offer flights during this window. Many travellers prefer these times as it allows for an early start to their journey and often means arriving at your destination with plenty of time to settle in.
How long does it take to fly from Oslo (OSL-Gardermoen) to Istanbul (IST)?
A direct flight from Oslo (OSL-Gardermoen) to Istanbul (IST) typically takes around 4 hours, covering a distance of approximately 2,427 kilometres. If you opt for a flight with one stop, your journey will usually be much longer, often around 20 hours. Flights with two or more stops tend to take about 15 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Oslo (OSL-Gardermoen) to Istanbul (IST)?
You can fly business class between Oslo (OSL) and Istanbul (IST).Airlines that offer business class service on this route include:
  • Lufthansa
  • Air France
  • Air Baltic
  • Swiss International Air Lines
  • LOT-Polish Airlines
  • Turkish Airlines
  • Aegean
  • KLM
  • SAS
  • British Airways
  • Air Serbia
  • Finnair
  • Braathens Regional Aviation
  • Austrian Airlines
  • Helvetic Airways

How do I earn miles on a Oslo (OSL-Gardermoen) to Istanbul (IST) flight with Expedia?
It's easy to earn miles on a Oslo (OSL-Gardermoen) to Istanbul (IST) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Istanbul (IST) from Oslo (OSL)?
If you're planning to travel to Istanbul from Gardermoen (OSL), you can fly directly into Istanbul Airport (IST). Some flights may connect through major hubs like Franz Josef Strauss Intl. (MUC), Frankfurt Intl. (FRA), or Kastrup (CPH) before reaching Istanbul. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Oslo (OSL-Gardermoen) to Istanbul (IST) at the last minute?
Typically, booking a last minute flight from Oslo (OSL-Gardermoen) to Istanbul (IST) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Oslo (OSL-Gardermoen) to Istanbul (IST) flight and hotel package?
Securing a Oslo (OSL-Gardermoen) to Istanbul (IST) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Oslo (OSL-Gardermoen) to Istanbul (IST)?
If you booked your Oslo (OSL-Gardermoen) to Istanbul (IST) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Gardermoen
Destination airport
Istanbul
Airlines serving
Aegean, Air Baltic, Air France, Air Serbia, British Airways, Finnair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Turkish Airlines
Return price
£173
Distance
2412 km
Average flight time
4 hours 52 mins

Book with confidence

Compare flights from Oslo to Istanbul easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Oslo to Istanbul. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Istanbul in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Gardermoen to Istanbul.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Gardermoen (OSL) to Istanbul (IST)

The easiest way to view the best deals on flights from Oslo to Istanbul today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Gardermoen to Istanbul start at just £174 and range up to £210.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Oslo and Istanbul
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Oslo to Istanbul flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Gardermoen to Istanbul for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Oslo to Istanbul easily and book with confidence

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*Available to Expedia members.