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Split to Istanbul flights in December 2026 from $115 SPU → IST, SAW

Split Airport (SPU) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)

For departures in December 2026, the cheapest return found recently is $187 with Croatia Airlines, 13 Dec – 17 Dec, found yesterday. The cheapest one-way found recently is $115 with Air Serbia, 6 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 9 departure dates is usually $171 to $338. Across all 12 departure dates we hold on this route, it is usually $177 to $349.

Cheapest return found recently

$187

13 Dec – 17 Dec · Croatia Airlines

Split Airport (SPU) → Istanbul New Airport (IST)

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

Cheapest we hold, of any age

$169

17 Dec – 10 Jan 2027 · Croatia Airlines

Split Airport (SPU) → Istanbul New Airport (IST)

out nonstop, back nonstop

found 4 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
17 Dec – 10 Jan 2027$169Croatia Airlinesout nonstop, back nonstopfound 4 days agoSee prices for these dates
22 Dec – 24 Jan 2027$169Croatia Airlinesout nonstop, back nonstopfound 4 days agoSee prices for these dates
6 Dec – 27 Dec$171Croatia Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates
20 Dec – 24 Jan 2027$179Croatia Airlinesout nonstop, back nonstopfound 3 days agoSee prices for these dates
13 Dec – 17 Dec$187Croatia Airlinesout nonstop, back nonstopfound yesterdaySee prices for these dates

Every date we hold

9 departure dates

6 Dec – 27 Dec: $171, found 2 days ago13 Dec – 17 Dec: $187, found yesterday17 Dec – 10 Jan 2027: $169, found 4 days ago20 Dec – 24 Jan 2027: $179, found 3 days ago21 Dec – 17 Jan 2027: $338, found yesterday22 Dec – 24 Jan 2027: $169, found 4 days ago23 Dec – 23 Jan 2027: $383, found 4 days ago28 Dec – 4 Jan 2027: $429, found 4 days ago29 Dec – 7 Jan 2027: $238, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
6 Dec – 27 Dec$171Croatia AirlinesSplit Airport (SPU) → Istanbul New Airport (IST)out nonstop, back nonstopfound 2 days agoSee prices for these dates
13 Dec – 17 Dec$187Croatia AirlinesSplit Airport (SPU) → Istanbul New Airport (IST)out nonstop, back nonstopfound yesterdaySee prices for these dates
17 Dec – 10 Jan 2027$169Croatia AirlinesSplit Airport (SPU) → Istanbul New Airport (IST)out nonstop, back nonstopfound 4 days agoSee prices for these dates
20 Dec – 24 Jan 2027$179Croatia AirlinesSplit Airport (SPU) → Istanbul New Airport (IST)out nonstop, back nonstopfound 3 days agoSee prices for these dates
21 Dec – 17 Jan 2027$338Air SerbiaSplit Airport (SPU) → Sabiha Gokcen International Airport (SAW)out 2 stops, back 1 stopfound yesterdaySee prices for these dates
22 Dec – 24 Jan 2027$169Croatia AirlinesSplit Airport (SPU) → Istanbul New Airport (IST)out nonstop, back nonstopfound 4 days agoSee prices for these dates
23 Dec – 23 Jan 2027$383Croatia AirlinesSplit Airport (SPU) → Sabiha Gokcen International Airport (SAW)out 2 stops, back 1 stopfound 4 days agoSee prices for these dates
28 Dec – 4 Jan 2027$429Air SerbiaSplit Airport (SPU) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
29 Dec – 7 Jan 2027$238Croatia AirlinesSplit Airport (SPU) → Istanbul New Airport (IST)out nonstop, back nonstopfound 3 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $169.

November 2026From $3182 departure dates15 Nov – 29 Nov · found yesterdaySee prices for these dates
December 2026From $169Cheapest seen9 departure dates17 Dec – 10 Jan 2027 · found 4 days agoSee prices for these dates
January 2027From $2391 departure date29 Jan 2027 – 5 Feb 2027 · found 2 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 3 departure dates is usually $142 to $176. Across all 14 departure dates we hold on this route, it is usually $134 to $166. Of the 3 months with enough one-way fares to compare, December 2026 is usually the most expensive.

Cheapest one-way found recently

$115

6 Dec · Air Serbia

Split Airport (SPU) → Istanbul New Airport (IST)

1 stop

found 2 days ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
6 Dec$115Air Serbia1 stopfound 2 days agoOpen this trip
29 Dec$169Croatia Airlines1 stopfound 4 days agoOpen this trip
17 Dec$182Croatia Airlinesstops unknownfound 4 days agoOpen this trip

Every date we hold

3 departure dates

6 Dec: $115, found 2 days ago17 Dec: $182, found 4 days ago29 Dec: $169, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
6 Dec$115Air SerbiaSplit Airport (SPU) → Istanbul New Airport (IST)1 stopfound 2 days agoOpen this trip
17 Dec$182Croatia AirlinesSplit Airport (SPU) → Istanbul New Airport (IST)stops unknownfound 4 days agoOpen this trip
29 Dec$169Croatia AirlinesSplit Airport (SPU) → Sabiha Gokcen International Airport (SAW)1 stopfound 4 days agoOpen this trip

Which month looks cheapest?

April 2027 is the cheapest month — from $105.

November 2026From $1314 departure dates29 Nov · found 3 days agoOpen this trip
December 2026From $1153 departure dates6 Dec · found 2 days agoOpen this trip
January 2027From $1491 departure date14 Jan 2027 · found 5 days agoOpen this trip
April 2027From $105Cheapest seen1 departure date1 Apr 2027 · found yesterdayOpen this trip
July 2027From $1133 departure dates5 Jul 2027 · found 2 days agoOpen this trip
August 2027From $1472 departure dates13 Aug 2027 · found 4 days agoOpen this trip

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