฿8,555 Cheap Flights from Oslo (OSL) to Istanbul (IST)

View ฿8,555 flight on Wed, 24 Sep 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ฿8,555 for one-way flights and ฿9,310 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Thu, 15 May - Mon, 19 May
OSL
Oslo
IST
Istanbul
฿9,310 Return, just found
฿9,310
Return
just found
Select Turkish Airlines flight, departing Thu, 15 May from Oslo to Istanbul, returning Mon, 19 May, priced at ฿9,310 just found
Turkish Airlines
Sun, 18 May - Sun, 25 May
OSL
Oslo
IST
Istanbul
฿9,615 Return, found 2 days ago
฿9,615
Return
found 2 days ago
Select Turkish Airlines flight, departing Sun, 18 May from Oslo to Istanbul, returning Sun, 25 May, priced at ฿9,615 found 2 days ago
Turkish Airlines
Sun, 18 May - Sun, 25 May
OSL
Oslo
IST
Istanbul
฿10,160 Return, found 2 days ago
฿10,160
Return
found 2 days ago
Select Turkish Airlines flight, departing Sun, 18 May from Oslo to Istanbul, returning Sun, 25 May, priced at ฿10,160 found 2 days ago
Turkish Airlines
Thu, 15 May - Mon, 19 May
OSL
Oslo
IST
Istanbul
฿10,530 Return, just found
฿10,530
Return
just found
Select Turkish Airlines flight, departing Thu, 15 May from Oslo to Istanbul, returning Mon, 19 May, priced at ฿10,530 just found
Turkish Airlines
Mon, 2 Mar - Fri, 13 Mar
OSL
Oslo
IST
Istanbul
฿10,600 Return, found 6 days ago
฿10,600
Return
found 6 days ago
Select Turkish Airlines flight, departing Mon, 2 Mar from Oslo to Istanbul, returning Fri, 13 Mar, priced at ฿10,600 found 6 days ago
Turkish Airlines
Thu, 15 May - Mon, 19 May
OSL
Oslo
IST
Istanbul
฿10,705 Return, just found
฿10,705
Return
just found
Select Turkish Airlines flight, departing Thu, 15 May from Oslo to Istanbul, returning Mon, 19 May, priced at ฿10,705 just found
Air France
Mon, 2 Mar - Fri, 13 Mar
OSL
Oslo
IST
Istanbul
฿10,990 Return, found 6 days ago
฿10,990
Return
found 6 days ago
Select Air France flight, departing Mon, 2 Mar from Oslo to Istanbul, returning Fri, 13 Mar, priced at ฿10,990 found 6 days ago
Air France
Mon, 2 Mar - Fri, 13 Mar
OSL
Oslo
IST
Istanbul
฿11,375 Return, found 6 days ago
฿11,375
Return
found 6 days ago
Select Air France flight, departing Mon, 2 Mar from Oslo to Istanbul, returning Fri, 13 Mar, priced at ฿11,375 found 6 days ago
Air France
Mon, 2 Mar - Fri, 13 Mar
OSL
Oslo
IST
Istanbul
฿11,410 Return, found 6 days ago
฿11,410
Return
found 6 days ago
Select Air France flight, departing Mon, 2 Mar from Oslo to Istanbul, returning Fri, 13 Mar, priced at ฿11,410 found 6 days ago
Turkish Airlines
Thu, 15 May - Mon, 19 May
OSL
Oslo
IST
Istanbul
฿11,645 Return, just found
฿11,645
Return
just found
Select Turkish Airlines flight, departing Thu, 15 May from Oslo to Istanbul, returning Mon, 19 May, priced at ฿11,645 just found

Frequently asked questions

How much is a flight from Gardermoen Airport (OSL) to IST?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight from Oslo Gardermoen Airport to IST was ฿9,310. Cheap tickets don’t last long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from OSL to IST?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
Can I fly from Oslo Gardermoen Airport to Istanbul Airport right now?
To see what travel restrictions and quarantine requirements are in place for different citizens flying from OSL to IST please visit our COVID 19 travel advisor portal link.
How do I find cheap flights from Gardermoen Airport (OSL) to IST that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Gardermoen Airport (OSL) to Istanbul Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from OSL to Istanbul Airport?
You’ll be up above the clouds for a while, as the flight distance between Ullensaker and Arnavutkoy is 2,400 kilometres. Put together a playlist of your favourite songs before leaving home to stay entertained during your flight.
Which airlines fly direct from Gardermoen Airport (OSL) to IST?
If you want to travel straight from OSL to IST, you’ll have to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports.
Are OSL to IST flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally pick up a bargain, with some of the cheapest airfares from Gardermoen Airport (OSL) to IST surfacing a few weeks before the date of departure. If you’d rather book ahead of time, Expedia compares and updates all the best flight deals continually — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines publish prices that far in advance.
*Available to Expedia members.