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Nis to Istanbul flights in December 2026 from $49 INI → IST, SAW

Nis Constantine the Great Airport (INI) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)

For departures in December 2026, the cheapest return found recently is $130 with Air Serbia, 15 Dec – 22 Dec, found 4 days ago. The cheapest one-way found recently is $49 with Air Serbia, 15 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 10 departure dates is usually $174 to $312. Across all 17 departure dates we hold on this route, it is usually $149 to $283. Of the 2 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$130

15 Dec – 22 Dec · Air Serbia

Nis Constantine the Great Airport (INI) → Istanbul New Airport (IST)

out nonstop, back nonstop

found 4 days ago

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
15 Dec – 22 Dec$130Air Serbiaout nonstop, back nonstopfound 4 days agoSee prices for these dates
19 Dec – 22 Dec$151Air Serbiaout nonstop, back nonstopfound 4 days agoSee prices for these dates
22 Dec – 29 Dec$159Air Serbiaout nonstop, back nonstopfound 8 days agoSee prices for these dates
16 Dec – 29 Dec$217Air Serbiaout 2 stops, back nonstopfound 4 days agoSee prices for these dates
26 Dec – 4 Jan 2027$224Air Serbiaout nonstop, back 1 stopfound 4 days agoSee prices for these dates

Every date we hold

10 departure dates

15 Dec – 22 Dec: $130, found 4 days ago16 Dec – 29 Dec: $217, found 4 days ago18 Dec – 29 Dec: $317, found 4 days ago19 Dec – 22 Dec: $151, found 4 days ago20 Dec – 28 Dec: $320, found 4 days ago22 Dec – 29 Dec: $159, found 8 days ago23 Dec – 9 Jan 2027: $241, found 4 days ago25 Dec – 7 Jan 2027: $353, found 4 days ago26 Dec – 4 Jan 2027: $224, found 4 days ago31 Dec – 9 Jan 2027: $295, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
15 Dec – 22 Dec$130Air SerbiaNis Constantine the Great Airport (INI) → Istanbul New Airport (IST)out nonstop, back nonstopfound 4 days agoSee prices for these dates
16 Dec – 29 Dec$217Air SerbiaNis Constantine the Great Airport (INI) → Sabiha Gokcen International Airport (SAW)out 2 stops, back nonstopfound 4 days agoSee prices for these dates
18 Dec – 29 Dec$317Wizz Air MaltaNis Constantine the Great Airport (INI) → Sabiha Gokcen International Airport (SAW)out 2 stops, back nonstopfound 4 days agoSee prices for these dates
19 Dec – 22 Dec$151Air SerbiaNis Constantine the Great Airport (INI) → Istanbul New Airport (IST)out nonstop, back nonstopfound 4 days agoSee prices for these dates
20 Dec – 28 Dec$320Air SerbiaNis Constantine the Great Airport (INI) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
22 Dec – 29 Dec$159Air SerbiaNis Constantine the Great Airport (INI) → Istanbul New Airport (IST)out nonstop, back nonstopfound 8 days agoSee prices for these dates
23 Dec – 9 Jan 2027$241Air SerbiaNis Constantine the Great Airport (INI) → Sabiha Gokcen International Airport (SAW)out 2 stops, back nonstopfound 4 days agoSee prices for these dates
25 Dec – 7 Jan 2027$353Wizz AirNis Constantine the Great Airport (INI) → Sabiha Gokcen International Airport (SAW)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
26 Dec – 4 Jan 2027$224Air SerbiaNis Constantine the Great Airport (INI) → Istanbul New Airport (IST)out nonstop, back 1 stopfound 4 days agoSee prices for these dates
31 Dec – 9 Jan 2027$295Wizz AirNis Constantine the Great Airport (INI) → Sabiha Gokcen International Airport (SAW)out 1 stop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $130.

November 2026From $1366 departure dates17 Nov – 21 Nov · found 3 days agoSee prices for these datesEvery date in November 2026
December 2026From $130Cheapest seen10 departure dates15 Dec – 22 Dec · found 4 days agoSee prices for these dates
September 2027From $2831 departure date29 Sept 2027 – 6 Oct 2027 · found 3 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 17 departure dates is usually $57 to $144. Across all 51 departure dates we hold on this route, it is usually $56 to $139. Of the 5 months with enough one-way fares to compare, 2 are usually cheaper than December 2026.

Cheapest one-way found recently

$49

15 Dec · Air Serbia

Nis Constantine the Great Airport (INI) → Istanbul New Airport (IST)

nonstop

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
15 Dec$49Air Serbianonstopfound 2 days agoOpen this trip
22 Dec$54Air Serbianonstopfound 2 days agoOpen this trip
5 Dec$55Air Serbianonstopfound 4 days agoOpen this trip
8 Dec$55Air Serbianonstopfound 4 days agoOpen this trip
1 Dec$57Air Serbianonstopfound 3 days agoOpen this trip

Every date we hold

17 departure dates

1 Dec: $57, found 3 days ago5 Dec: $55, found 4 days ago7 Dec: $112, found 7 days ago8 Dec: $55, found 4 days ago12 Dec: $64, found 4 days ago14 Dec: $134, found 2 days ago15 Dec: $49, found 2 days ago17 Dec: $244, found 4 days ago19 Dec: $62, found 2 days ago20 Dec: $133, found 3 days ago22 Dec: $54, found 2 days ago23 Dec: $144, found 6 days ago25 Dec: $169, found 3 days ago26 Dec: $58, found 2 days ago27 Dec: $178, found 2 days ago29 Dec: $81, found 2 days ago31 Dec: $204, found 7 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec$57Air SerbiaNis Constantine the Great Airport (INI) → Istanbul New Airport (IST)nonstopfound 3 days agoOpen this trip
5 Dec$55Air SerbiaNis Constantine the Great Airport (INI) → Istanbul New Airport (IST)nonstopfound 4 days agoOpen this trip
7 Dec$112Wizz AirNis Constantine the Great Airport (INI) → Sabiha Gokcen International Airport (SAW)1 stopfound 7 days agoOpen this trip
8 Dec$55Air SerbiaNis Constantine the Great Airport (INI) → Istanbul New Airport (IST)nonstopfound 4 days agoOpen this trip
12 Dec$64Air SerbiaNis Constantine the Great Airport (INI) → Istanbul New Airport (IST)nonstopfound 4 days agoOpen this trip
14 Dec$134Wizz AirNis Constantine the Great Airport (INI) → Sabiha Gokcen International Airport (SAW)1 stopfound 2 days agoOpen this trip
15 Dec$49Air SerbiaNis Constantine the Great Airport (INI) → Istanbul New Airport (IST)nonstopfound 2 days agoOpen this trip
17 Dec$244Wizz AirNis Constantine the Great Airport (INI) → Sabiha Gokcen International Airport (SAW)2 stopsfound 4 days agoOpen this trip
19 Dec$62Air SerbiaNis Constantine the Great Airport (INI) → Istanbul New Airport (IST)nonstopfound 2 days agoOpen this trip
20 Dec$133Air SerbiaNis Constantine the Great Airport (INI) → Sabiha Gokcen International Airport (SAW)2 stopsfound 3 days agoOpen this trip
22 Dec$54Air SerbiaNis Constantine the Great Airport (INI) → Istanbul New Airport (IST)nonstopfound 2 days agoOpen this trip
23 Dec$144Air SerbiaNis Constantine the Great Airport (INI) → Sabiha Gokcen International Airport (SAW)2 stopsfound 6 days agoOpen this trip
25 Dec$169Wizz AirNis Constantine the Great Airport (INI) → Sabiha Gokcen International Airport (SAW)1 stopfound 3 days agoOpen this trip
26 Dec$58Air SerbiaNis Constantine the Great Airport (INI) → Istanbul New Airport (IST)nonstopfound 2 days agoOpen this trip
27 Dec$178Air SerbiaNis Constantine the Great Airport (INI) → Sabiha Gokcen International Airport (SAW)2 stopsfound 2 days agoOpen this trip
29 Dec$81Air SerbiaNis Constantine the Great Airport (INI) → Istanbul New Airport (IST)nonstopfound 2 days agoOpen this trip
31 Dec$204Wizz AirNis Constantine the Great Airport (INI) → Sabiha Gokcen International Airport (SAW)1 stopfound 7 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $49.

November 2026From $5410 departure dates28 Nov · found 2 days agoOpen this tripEvery date in November 2026
December 2026From $49Cheapest seen17 departure dates15 Dec · found 2 days agoOpen this trip
January 2027From $508 departure dates26 Jan 2027 · found 3 days agoOpen this tripEvery date in January 2027
February 2027From $492 departure dates2 Feb 2027 · found 3 days agoOpen this trip
March 2027From $2551 departure date26 Mar 2027 · found 6 days agoOpen this trip
April 2027From $545 departure dates24 Apr 2027 · found 2 days agoOpen this trip
May 2027From $556 departure dates18 May 2027 · found 2 days agoOpen this trip
June 2027From $552 departure dates1 Jun 2027 · found 6 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