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Sofia to Istanbul flights in December 2026 from $46 SOF → IST, SAW

Sofia Airport (SOF) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)

For departures in December 2026, the cheapest return found recently is $83 with Pegasus Airlines, 9 Dec – 13 Dec, found 2 days ago. The cheapest one-way found recently is $46 with Pegasus Airlines, 31 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 23 departure dates is usually $87 to $135. Across all 40 departure dates we hold on this route, it is usually $97 to $130. Of the 4 months with enough return fares to compare, December 2026 is usually the cheapest.

Cheapest return found recently

$83

9 Dec – 13 Dec · Pegasus Airlines

Sofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)

out nonstop, back nonstop

found 2 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
9 Dec – 13 Dec$83Pegasus Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates
10 Dec – 13 Dec$83Pegasus Airlinesout nonstop, back nonstopfound 7 days agoSee prices for these dates
15 Dec – 21 Dec$83Pegasus Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
18 Dec – 22 Jan 2027$83Pegasus Airlinesout nonstop, back nonstopfound 7 days agoSee prices for these dates
12 Dec – 19 Dec$84Pegasus Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

23 departure dates

3 Dec – 7 Dec: $98, found 3 days ago4 Dec – 9 Dec: $113, found 7 days ago5 Dec – 1 Jan 2027: $97, found 6 days ago6 Dec – 7 Dec: $99, found 2 days ago7 Dec – 10 Dec: $107, found 3 days ago8 Dec – 10 Dec: $101, found 2 days ago9 Dec – 13 Dec: $83, found 2 days ago10 Dec – 13 Dec: $83, found 7 days ago12 Dec – 19 Dec: $84, found 2 days ago13 Dec – 16 Dec: $100, found 5 days ago15 Dec – 21 Dec: $83, found 5 days ago16 Dec – 24 Dec: $92, found 3 days ago18 Dec – 22 Jan 2027: $83, found 7 days ago19 Dec – 3 Jan 2027: $279, found 5 days ago20 Dec – 22 Dec: $109, found 7 days ago22 Dec – 3 Jan 2027: $197, found 6 days ago23 Dec – 6 Jan 2027: $196, found 6 days ago24 Dec – 25 Dec: $117, found 4 days ago25 Dec – 20 Jan 2027: $89, found 2 days ago28 Dec – 5 Jan 2027: $187, found 7 days ago29 Dec – 8 Jan 2027: $152, found 7 days ago30 Dec – 6 Jan 2027: $172, found 7 days ago31 Dec – 1 Jan 2027: $85, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Dec – 7 Dec$98Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 3 days agoSee prices for these dates
4 Dec – 9 Dec$113Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 7 days agoSee prices for these dates
5 Dec – 1 Jan 2027$97Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 6 days agoSee prices for these dates
6 Dec – 7 Dec$99Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 2 days agoSee prices for these dates
7 Dec – 10 Dec$107Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 3 days agoSee prices for these dates
8 Dec – 10 Dec$101Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 2 days agoSee prices for these dates
9 Dec – 13 Dec$83Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 2 days agoSee prices for these dates
10 Dec – 13 Dec$83Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 7 days agoSee prices for these dates
12 Dec – 19 Dec$84Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 2 days agoSee prices for these dates
13 Dec – 16 Dec$100Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 5 days agoSee prices for these dates
15 Dec – 21 Dec$83Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 5 days agoSee prices for these dates
16 Dec – 24 Dec$92Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 3 days agoSee prices for these dates
18 Dec – 22 Jan 2027$83Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 7 days agoSee prices for these dates
19 Dec – 3 Jan 2027$279Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 5 days agoSee prices for these dates
20 Dec – 22 Dec$109Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 7 days agoSee prices for these dates
22 Dec – 3 Jan 2027$197Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back 1 stopfound 6 days agoSee prices for these dates
23 Dec – 6 Jan 2027$196Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 6 days agoSee prices for these dates
24 Dec – 25 Dec$117Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 4 days agoSee prices for these dates
25 Dec – 20 Jan 2027$89Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 2 days agoSee prices for these dates
28 Dec – 5 Jan 2027$187Wizz AirSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out 1 stop, back nonstopfound 7 days agoSee prices for these dates
29 Dec – 8 Jan 2027$152Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 7 days agoSee prices for these dates
30 Dec – 6 Jan 2027$172Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 7 days agoSee prices for these dates
31 Dec – 1 Jan 2027$85Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $83.

November 2026From $976 departure dates17 Nov – 24 Nov · found 3 days agoSee prices for these dates
December 2026From $83Cheapest seen23 departure dates9 Dec – 13 Dec · found 2 days agoSee prices for these dates
January 2027From $923 departure dates7 Jan 2027 – 12 Jan 2027 · found 5 days agoSee prices for these dates
February 2027From $1044 departure dates2 Feb 2027 – 6 Feb 2027 · found 3 days agoSee prices for these dates
March 2027From $1261 departure date2 Mar 2027 – 27 Mar 2027 · found 7 days agoSee prices for these dates
June 2027From $1002 departure dates1 Jun 2027 – 17 Jun 2027 · found 7 days agoSee prices for these dates
October 2027From $7711 departure date29 Oct 2027 – 8 Nov 2027 · found 3 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 4 departure dates is usually $43 to $46. Across all 32 departure dates we hold on this route, it is usually $47 to $60. Of the 5 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$46

31 Dec · Pegasus Airlines

Sofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)

nonstop

found 2 days ago

Open this tripCheck today's price

Cheapest we hold, of any age

$43

25 Dec · Pegasus Airlines

Sofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)

nonstop

found 5 days ago

Open this tripCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
25 Dec$43Pegasus Airlinesnonstopfound 5 days agoOpen this trip
8 Dec$43Pegasus Airlinesnonstopfound 6 days agoOpen this trip
10 Dec$46Pegasus Airlinesnonstopfound 5 days agoOpen this trip
31 Dec$46Pegasus Airlinesnonstopfound 2 days agoOpen this trip

Every date we hold

4 departure dates

8 Dec: $43, found 6 days ago10 Dec: $46, found 5 days ago25 Dec: $43, found 5 days ago31 Dec: $46, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
8 Dec$43Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)nonstopfound 6 days agoOpen this trip
10 Dec$46Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)nonstopfound 5 days agoOpen this trip
25 Dec$43Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)nonstopfound 5 days agoOpen this trip
31 Dec$46Pegasus AirlinesSofia Airport (SOF) → Sabiha Gokcen International Airport (SAW)nonstopfound 2 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $43.

November 2026From $43Cheapest seen3 departure dates26 Nov · found 2 days agoOpen this trip
December 2026From $434 departure dates25 Dec · found 5 days agoOpen this trip
January 2027From $464 departure dates20 Jan 2027 · found 7 days agoOpen this trip
February 2027From $572 departure dates15 Feb 2027 · found 4 days agoOpen this trip
March 2027From $526 departure dates7 Mar 2027 · found 7 days agoOpen this trip
May 2027From $548 departure dates13 May 2027 · found 5 days agoOpen this tripEvery date in May 2027
July 2027From $562 departure dates6 Jul 2027 · found 6 days agoOpen this trip
September 2027From $602 departure dates14 Sept 2027 · found 2 days agoOpen this trip
October 2027From $1471 departure date31 Oct 2027 · found 7 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