$58 Cheap Flights from Istanbul (IST) to Oslo (OSL)

View $58 flight on Wed, Jun 18, 2025Opens in a new window

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

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Cheap Flights from Istanbul to Oslo (IST-OSL)

Prices were available within the past 7 days and start at $58 for one-way flights and $140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Norwegian Air Shuttle
Wed, May 21 - Sun, May 25
IST
Istanbul
OSL
Oslo
$140 Roundtrip, found 3 days ago
$140
Roundtrip
found 3 days ago
Select Norwegian Air Shuttle flight, departing Wed, May 21 from Istanbul to Oslo, returning Sun, May 25, priced at $140 found 3 days ago
Norwegian Air Shuttle
Wed, May 14 - Sun, May 25
IST
Istanbul
OSL
Oslo
$196 Roundtrip, found 1 day ago
$196
Roundtrip
found 1 day ago
Select Norwegian Air Shuttle flight, departing Wed, May 14 from Istanbul to Oslo, returning Sun, May 25, priced at $196 found 1 day ago
Norwegian Air Shuttle
Wed, May 14 - Wed, May 21
IST
Istanbul
OSL
Oslo
$206 Roundtrip, found 1 day ago
$206
Roundtrip
found 1 day ago
Select Norwegian Air Shuttle flight, departing Wed, May 14 from Istanbul to Oslo, returning Wed, May 21, priced at $206 found 1 day ago
Norwegian Air Shuttle
Sun, May 18 - Sun, May 25
IST
Istanbul
OSL
Oslo
$216 Roundtrip, found 2 days ago
$216
Roundtrip
found 2 days ago
Select Norwegian Air Shuttle flight, departing Sun, May 18 from Istanbul to Oslo, returning Sun, May 25, priced at $216 found 2 days ago
Pegasus Airlines
Mon, May 12 - Sun, May 18
SAW
Istanbul
OSL
Oslo
$230 Roundtrip, found 3 days ago
$230
Roundtrip
found 3 days ago
Select Pegasus Airlines flight, departing Mon, May 12 from Istanbul to Oslo, returning Sun, May 18, priced at $230 found 3 days ago
Pegasus Airlines
Thu, May 8 - Mon, May 12
SAW
Istanbul
OSL
Oslo
$236 Roundtrip, found 2 days ago
$236
Roundtrip
found 2 days ago
Select Pegasus Airlines flight, departing Thu, May 8 from Istanbul to Oslo, returning Mon, May 12, priced at $236 found 2 days ago
Aegean
Sun, Sep 14 - Thu, Sep 18
IST
Istanbul
OSL
Oslo
$236 Roundtrip, found 4 days ago
$236
Roundtrip
found 4 days ago
Select Aegean flight, departing Sun, Sep 14 from Istanbul to Oslo, returning Thu, Sep 18, priced at $236 found 4 days ago
Pegasus Airlines
Sun, May 18 - Sun, May 25
SAW
Istanbul
OSL
Oslo
$238 Roundtrip, found 2 days ago
$238
Roundtrip
found 2 days ago
Select Pegasus Airlines flight, departing Sun, May 18 from Istanbul to Oslo, returning Sun, May 25, priced at $238 found 2 days ago
Lufthansa
Mon, May 12 - Sun, May 18
IST
Istanbul
OSL
Oslo
$269 Roundtrip, found 3 days ago
$269
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, May 12 from Istanbul to Oslo, returning Sun, May 18, priced at $269 found 3 days ago
Turkish Airlines
Wed, May 14 - Mon, May 26
IST
Istanbul
OSL
Oslo
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Wed, May 14 from Istanbul to Oslo, returning Mon, May 26, priced at $275 found 1 day ago
Flights from Istanbul (IST) to Oslo (OSL)
Origin airport
Istanbul
Destination airport
Gardermoen
Airlines serving
Aegean, Air Baltic, Air France, Air Serbia, British Airways, Finnair, KLM, LOT-Polish Airlines, Lufthansa, Norwegian Air Shuttle, Scandinavian Airlines, Turkish Airlines
Roundtrip price
$140
Distance
1508 mi

Istanbul to Oslo Flights

The cheapest times to fly from Istanbul to Oslo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Istanbul to Oslo are during the month of May. You can find some of the cheapest flights from Istanbul to Oslo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Istanbul to Oslo

Sunday is one of the best days to book for cheap flights from Istanbul to Oslo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Istanbul to Oslo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Istanbul to Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $58 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Istanbul to Oslo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Istanbul to Oslo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Istanbul (IST) to Gardermoen Airport (OSL) cost?
Snag cheap return flights starting at $130 from Istanbul (IST) to Gardermoen Airport (OSL). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Norwegian Air Shuttle flight leaving IST on May 21 2025 and touching down at OSL. The price was last updated on April 30 2025 and has not changed since.
What is the cheapest month to fly from IST to OSL?
The cheapest flights from IST to OSL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Istanbul (IST) to Gardermoen Airport (OSL)?
There are no direct routes from Istanbul (IST) to Gardermoen Airport (OSL). However, there are other airports with nonstop flights. Start your journey at Ataturk Intl. Airport (IST) and head straight to Oslo without a layover.
What is the cheapest airline that flies from IST to OSL?
Book a flight from IST to OSL with Norwegian Air Shuttle. This airline currently has the lowest one-way fare on this route, starting from $42. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IST on June 11 2025. Prices were last updated on April 30 2025 and have not changed since.
How many flights per day from Istanbul (IST) to Gardermoen Airport (OSL)?
There aren’t any daily nonstop flights from Istanbul (IST) to Gardermoen Airport (OSL). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you’ll be soaring above the clouds in no time at all.
What day of the week has the most flights from IST to OSL?
Typically you’ll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Istanbul (IST) to Gardermoen Airport (OSL)?
To arrive at Gardermoen Airport (OSL) without delays, book a flight that takes off from Istanbul (IST) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Istanbul (IST) to Gardermoen Airport (OSL) last-minute?
Waiting until right before your break to book a ticket from IST to OSL generally means paying more. While you may come across some last-minute discounts, they aren’t always guaranteed. Be flexible with your travel plans for a better chance of landing a bargain.
Is it cheaper to book an IST to OSL flight and hotel package?
Securing an IST to OSL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Istanbul (IST) to Gardermoen Airport (OSL)?
If you booked your IST to OSL flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you’d like more information.

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*Available to One Key members.