Cheap flights from Nis to Sofia from $85 INI → SOF
Nis Constantine the Great Airport (INI) → Sofia Airport (SOF)
The cheapest return found recently is $385 with Air Serbia, 30 Dec – 3 Jan 2027, found 2 days ago. The cheapest one-way found recently is $85 with Wizz Air Malta, 9 Dec, found 3 days ago.
- Cheapest one-way found recently
- $85, found 3 days ago
- Cheapest return found recently
- $385, 30 Dec to 3 Jan 2027
- Cheapest month to fly
- December 2026, one-way fares from $85 found in the last 7 days
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$385
30 Dec – 3 Jan 2027 · Air Serbia
Nis Constantine the Great Airport (INI) → Sofia Airport (SOF)
Leaves 2:20 p.m. · Return leaves 9:45 p.m. · 40 h 20 min of travel, both ways together
out 1 stop, back 2 stops
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$385 30 Dec – 3 Jan 2027found 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 6 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $306 to $385.
At $385, the cheapest return found recently is at the high end of that range.
6 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 4-night return fares leaving within 3 days of 30 Dec to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 30 Dec – 3 Jan 2027 | $385 | Air Serbia | Nis Constantine the Great Airport (INI) → Sofia Airport (SOF) | out 1 stop, back 2 stops | found 2 days ago | See prices for these dates |
Airlines on the cheapest dates: Air Serbia.
One-way
The cheapest one-way fare on each of 9 departure dates is usually $107 to $139.
Cheapest one-way found recently
$85
9 Dec · Wizz Air Malta
Nis Constantine the Great Airport (INI) → Sofia Airport (SOF)
Leaves 11:10 a.m. · 51 h 45 min trip
1 stop
found 3 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$85 9 Decfound 3 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 18 days, 11 Oct to 11 Nov, the cheapest one-way we saw each day was $85 to $213.
At $85, the cheapest one-way found recently is at the low end of that range.
18 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 9 departure dates from 20 Nov to 10 Jan 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 9 Dec to compare.
Every date we hold
9 fares on 9 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Nov | $131 | Wizz Air | Nis Constantine the Great Airport (INI) → Sofia Airport (SOF) | 1 stop | found 3 days ago | Open this trip |
| 23 Nov | $139 | Wizz Air | Nis Constantine the Great Airport (INI) → Sofia Airport (SOF) | 1 stop | found 3 days ago | Open this trip |
| 27 Nov | $122 | Wizz Air | Nis Constantine the Great Airport (INI) → Sofia Airport (SOF) | 1 stop | found 3 days ago | Open this trip |
| 9 Dec | $85 | Wizz Air Malta | Nis Constantine the Great Airport (INI) → Sofia Airport (SOF) | 1 stop | found 3 days ago | Open this trip |
| 18 Dec | $222 | Wizz Air Malta | Nis Constantine the Great Airport (INI) → Sofia Airport (SOF) | 1 stop | found 3 days ago | Open this trip |
| 30 Dec | $107 | Air Serbia | Nis Constantine the Great Airport (INI) → Sofia Airport (SOF) | 1 stop | found 3 days ago | Open this trip |
| 4 Jan 2027 | $213 | Wizz Air Malta | Nis Constantine the Great Airport (INI) → Sofia Airport (SOF) | 1 stop | found 4 days ago | Open this trip |
| 6 Jan 2027 | $102 | Air Serbia | Nis Constantine the Great Airport (INI) → Sofia Airport (SOF) | 2 stops | found 3 days ago | Open this trip |
| 10 Jan 2027 | $107 | Air Serbia | Nis Constantine the Great Airport (INI) → Sofia Airport (SOF) | 1 stop | found 3 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $85.
Airlines on the cheapest dates: Wizz Air, Wizz Air Malta, Air Serbia.
Premium cabin fares from Nis to Sofia
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 30 Dec – 3 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 9 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Nis to Sofia?
Return
Not enough history yet: we have 6 days of return prices, 24 Sept to 11 Nov, and compare booking times once 3 booking ranges have 7 days each.
One-way
Not enough history yet: in 18 days of one-way prices, 11 Oct to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 30 Dec – 3 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Nis to Sofia?
The cheapest return found recently is $385 with Air Serbia, 30 Dec to 3 Jan 2027, found 2 days ago.
How much is a one-way flight from Nis to Sofia?
The cheapest one-way found recently is $85 with Wizz Air Malta, 9 Dec, found 3 days ago. The cheapest one-way fare on each of 9 departure dates is usually $107 to $139.
What is the cheapest month to fly from Nis to Sofia?
December 2026 is the cheapest month for a one-way, from $85, 9 Dec, found 3 days ago.
How long is the flight from Nis to Sofia?
The cheapest one-way found recently, with Wizz Air Malta on 9 Dec, takes 51 h 45 min with 1 stop.
Which airlines have the cheapest flights from Nis to Sofia?
Between 20 Nov and 10 Jan 2027, Wizz Air has the cheapest one-way on 3 of the 9 departure dates we hold, Wizz Air Malta on 3 and Air Serbia on 3.
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