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Oslo to Istanbul flights in December 2026 from $368 OSL, TRF → IST, SAW

Oslo Airport Gardermoen (OSL), Torp Sandefjord Airport (TRF) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)

For departures in December 2026, the cheapest return found recently is $368 with SAS Scandinavian, 22 Dec – 6 Jan 2027, found 3 days ago.

Return

In December 2026, the cheapest return fare on each of 8 departure dates is usually $246 to $389. Across all 20 departure dates we hold on this route, it is usually $234 to $290. Of the 4 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$368

22 Dec – 6 Jan 2027 · SAS Scandinavian

Oslo Airport Gardermoen (OSL) → Sabiha Gokcen International Airport (SAW)

out 2 stops, back 1 stop

found 3 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$190

10 Dec – 13 Dec · Wizz Air

Torp Sandefjord Airport (TRF) → Sabiha Gokcen International Airport (SAW)

out 1 stop, back 1 stop

found 5 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
10 Dec – 13 Dec$190Wizz Airout 1 stop, back 1 stopfound 5 days agoSee prices for these dates
14 Dec – 19 Dec$231Wizz Airout 1 stop, back 1 stopfound 4 days agoSee prices for these dates
30 Dec – 15 Jan 2027$251Wizz Airout 1 stop, back 1 stopfound 6 days agoSee prices for these dates
28 Dec – 15 Jan 2027$279Wizz Airout 2 stops, back 1 stopfound 6 days agoSee prices for these dates
27 Dec – 15 Jan 2027$284SAS Scandinavianout 1 stop, back 1 stopfound 6 days agoSee prices for these dates

Every date we hold

8 departure dates

10 Dec – 13 Dec: $190, found 5 days ago14 Dec – 19 Dec: $231, found 4 days ago19 Dec – 3 Jan 2027: $532, found 3 days ago22 Dec – 6 Jan 2027: $368, found 3 days ago24 Dec – 4 Jan 2027: $453, found 5 days ago27 Dec – 15 Jan 2027: $284, found 6 days ago28 Dec – 15 Jan 2027: $279, found 6 days ago30 Dec – 15 Jan 2027: $251, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
10 Dec – 13 Dec$190Wizz AirTorp Sandefjord Airport (TRF) → Sabiha Gokcen International Airport (SAW)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
14 Dec – 19 Dec$231Wizz AirOslo Airport Gardermoen (OSL) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
19 Dec – 3 Jan 2027$532Wizz AirTorp Sandefjord Airport (TRF) → Sabiha Gokcen International Airport (SAW)out 1 stop, back 2 stopsfound 3 days agoSee prices for these dates
22 Dec – 6 Jan 2027$368SAS ScandinavianOslo Airport Gardermoen (OSL) → Sabiha Gokcen International Airport (SAW)out 2 stops, back 1 stopfound 3 days agoSee prices for these dates
24 Dec – 4 Jan 2027$453LOT PolishOslo Airport Gardermoen (OSL) → Istanbul New Airport (IST)out 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
27 Dec – 15 Jan 2027$284SAS ScandinavianOslo Airport Gardermoen (OSL) → Sabiha Gokcen International Airport (SAW)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
28 Dec – 15 Jan 2027$279Wizz AirOslo Airport Gardermoen (OSL) → Sabiha Gokcen International Airport (SAW)out 2 stops, back 1 stopfound 6 days agoSee prices for these dates
30 Dec – 15 Jan 2027$251Wizz AirOslo Airport Gardermoen (OSL) → Sabiha Gokcen International Airport (SAW)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $190.

November 2026From $2374 departure dates16 Nov – 28 Nov · found 2 days agoSee prices for these dates
December 2026From $190Cheapest seen8 departure dates10 Dec – 13 Dec · found 5 days agoSee prices for these dates
January 2027From $2064 departure dates24 Jan 2027 – 1 Feb 2027 · found 4 days agoSee prices for these dates
February 2027From $2353 departure dates1 Feb 2027 – 7 Feb 2027 · found 2 days agoSee prices for these dates
July 2027From $2501 departure date12 Jul 2027 – 6 Aug 2027 · found 2 days agoSee prices for these dates

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work