Flights from Istanbul to Sofia and flight information

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Flight prices from Istanbul to Sofia

Planning a trip from Istanbul to Sofia and looking for the best fares? On Aviasurf you can find the latest prices for any day and choose the most convenient flight. Book a flight from Istanbul to Sofia from $40. with departure on December 20, 2026.

Climate in Sofia and when to travel

The warmest months in Sofia are July and August, each with an average monthly air temperature of 21.8 °C. The coldest month in Sofia is January, with an average monthly air temperature of 0.2 °C. The months with the lowest average monthly precipitation in Sofia are August and September, at 39 mm each.

For the nearest observed departure in November, the climate normals are: average monthly air temperature 6.7 °C, monthly precipitation 40 mm, and daylight 9.6 hours.

Fare calendar for flights from Istanbul to Sofia

Explore fare trends for flights Istanbul — Sofia with our calendar. It helps you see ticket prices for each day of any month and optimize your travel budget. The tool makes finding the best deals even easier and more convenient.

Current flight offers from Istanbul to Sofia

Below is a selection of tickets on the Istanbul – Sofia route. Use our search to view all tickets on this route. For a more precise search, apply filters by airline, airports, flight duration, stops, baggage, cabin class, and departure or arrival time.

Cheapest fare nonstop from Istanbul to Sofia

Found in the last 48 hours: a ticket from Pegasus Airlines. Departure from Sabiha Gokcen International Airport (SAW) is scheduled for 20.12.2026 at 11:40. Arrival at Sofia airport Sofia Airport (SOF) is expected on 20.12.2026 at 12:00. Ticket price is $40. Flight time 1 hour and 20 minutes. No checked baggage Find the same ticket

Cheapest flight direct

Pegasus Airlines

PC 271

11:40

Istanbul (SAW)

20.12.2026

SAW

SOF

1h 20m

Direct flight

12:00

Sofia (SOF)

20.12.2026

No baggage

Airbus Industrie A321

Economy

$40

Find flight

General flight information from Istanbul to Sofia

Straight-line distance between cities

486 km

302 miles

Flight time

1 h 15 min

Nonstop flight time

Flight frequency

Direct flights per day (minimum)

Time difference

1 hour

Sofia is behind Istanbul

See also:

Flights from Sofia to Istanbul for the return trip
Tickets from Istanbul to any destination
Fares from Sofia to any destination
Tickets from Bulgaria to any destination
Tickets from Turkey to any destination
Prices for flights to Istanbul
Cheap tickets to Bulgaria
Find flights from Istanbul to Bulgaria
Flights from Sofia to Turkey
Flights from Turkey to Bulgaria
Flights from Bulgaria to Turkey

Flight schedule from Istanbul to Sofia

Departure	Arrival	Duration	Flight
08:20 (IST)	08:40 (SOF)	1 h 20 min	IndiGo (6E 4123)
10:30 (SAW)	10:50 (SOF)	1 h 20 min	Pegasus Airlines (PC 271)
10:45 (IST)	11:05 (SOF)	1 h 20 min	Turkish Airlines (TK 1127)
11:40 (SAW)	12:00 (SOF)	1 h 20 min	Pegasus Airlines (PC 271)
13:00 (SAW)	13:20 (SOF)	1 h 20 min	Pegasus Airlines (PC 271)
14:05 (SAW)	14:25 (SOF)	1 h 20 min	Pegasus Airlines (PC 273)
14:55 (IST)	15:10 (SOF)	1 h 15 min	IndiGo (6E 4119)
18:05 (SAW)	18:25 (SOF)	1 h 20 min	Pegasus Airlines (PC 273)
20:30 (IST)	20:50 (SOF)	1 h 20 min	IndiGo (6E 4121)

Which month is cheapest for a one-way flight from Istanbul to Sofia?

Among 10 observed months, the lowest monthly minimum in our price calendar for one-way travel from Istanbul to Sofia was in November 2026: from $40.

Minimum observed one-way fares from Istanbul to Sofia by month
Departure month	Minimum observed fare
October 2026	$47
November 2026	$40
December 2026	$40
January 2027	$46
February 2027	$58
March 2027	$47
April 2027	$63
May 2027	$55
June 2027	$60
September 2027	$83

In our price calendar, November 2026 had the lowest monthly minimum at $40, while September 2027 had the highest at $83. The difference was $43, or 52% of the highest monthly minimum.

These are minimum observed one-way fares across itineraries with and without connections, based on prices observed on October 23, 2026. Live booking prices may differ.

Airports for flights from Istanbul to Sofia

The Istanbul — Sofia route is served by the following airports:

Airports in Istanbul

Airport	Distance to city center	Lowest fare	Note
Istanbul New Airport (IST)
Sabiha Gokcen International Airport (SAW)	42 km	$40

Distances are straight-line distances to the city center.

Airports in Sofia

Airport	Distance to city center	Lowest fare	Note
Sofia Airport (SOF)		$40

Distances are straight-line distances to the city center.

Airlines on itineraries from Istanbul to Sofia

Available itineraries from Istanbul to Sofia involve 6 airlines; shown below: 6. Tarom appears most often in the observed options.

Non-stop flights are operated by: Pegasus Airlines, IndiGo, Turkish Airlines.

Tarom

Flight numbers by segment: RO 291 RO 9164 RO 9162 RO 297

IndiGo

Flight numbers by segment: 6E 4123 6E 4119 6E 4121

Pegasus Airlines

Flight numbers by segment: PC 271 PC 273

Turkish Airlines

Flight numbers by segment: TK 1071 TK 1127

Egyptair

Flight numbers by segment: MS 9689

Bulgaria Air

Flight numbers by segment: FB 976

Aircraft used on itinerary segments from Istanbul to Sofia

Observed itinerary segments from Istanbul to Sofia use 2 models of aircraft across 6 airlines.

Airbus Industrie A321

Airbus Industrie A320

Recently observed fare deals from Istanbul to Sofia

The fares below were recently observed for this route. Prices and availability may change.

Flights from Istanbul to Bulgaria

Below are the most popular routes from Istanbul to Bulgaria at the lowest prices from airlines on different dates, with no commission.

Pegasus Airlines

PC 271

Flights Istanbul — Sofia→

11:40

Istanbul (SAW)

20.12.2026

SAW

SOF

1h 20m

Direct flight

12:00

Sofia (SOF)

20.12.2026

No baggage

Airbus Industrie A321

Economy

from $40

Find flight

БА

БА 4658

Flights Istanbul — Plovdiv→

12:00

Istanbul (СТЗ)

19.12.2026

СТЗ

PDV

7h 0m

Direct flight

18:00

Plovdiv (PDV)

19.12.2026

With baggage

Non Aircraft - Bus

Economy

from $63

Find flight

БА

БА 603

Flights Istanbul — Bourgas→

15:30

Istanbul (IST)

04.01.2027

IST

BOJ

5h 55m

Direct flight

20:25

Bourgas (BOJ)

04.01.2027

With baggage

Non Aircraft - Bus

Economy

from $68

Find flight

БА

БА 603

Flights Istanbul — Varna→

15:30

Istanbul (IST)

07.11.2026

IST

VAR

8h 0m

Direct flight

22:30

Varna (VAR)

07.11.2026

With baggage

Non Aircraft - Bus

Economy

from $87

Find flight

Alternative airport routes from Istanbul to Sofia

The same city pair is also served through these departure or arrival airports.

Sabiha Gokcen International Airport → Sofia
Observed fare from $40

Frequently asked questions about flights from Istanbul to Sofia

Which airlines operated the lowest-priced itinerary we observed from Istanbul to Sofia?

The lowest non-stop fare we observed was $40, operated by Pegasus Airlines. This result is based on 3 distinct offers for the route. The offers were found from October 22, 2026 to October 27, 2026.

In which month have we observed the lowest fares from Istanbul to Sofia?

December and January had similarly low observed fares from Istanbul to Sofia, starting at $40. We compared 3 departure months represented in the observed offers. The offers were found from October 22, 2026 to October 27, 2026.

On which date have we observed the lowest fare from Istanbul to Sofia?

The lowest fare we observed was $40 for departure on December 20, 2026. This is an observation from 3 distinct offers, not a prediction of future prices. The offers were found from October 22, 2026 to October 27, 2026.

How much does a flight from Istanbul to Sofia cost?

Flight prices from Istanbul to Sofia can vary greatly depending on airline, cabin class, season, and booking time. The lowest fare is $40.

Which airlines appear in available itineraries from Istanbul to Sofia?

Available itineraries from Istanbul to Sofia may include flight segments operated by Pegasus Airlines, Egyptair, Tarom, IndiGo, Turkish Airlines, Bulgaria Air.

How long is the flight from Istanbul to Sofia?

The fastest scheduled nonstop flight from Istanbul to Sofia takes about 1 hour and 15 minutes.

Are there direct flights from Istanbul to Sofia?

The schedule data currently available to us includes nonstop flights from Istanbul to Sofia. Airlines such as IndiGo, Pegasus Airlines, Turkish Airlines operate these flights. Use our search to check options for your dates.

How much is a round-trip ticket Istanbul — Sofia?

Round-trip fares from Istanbul to Sofia vary by season, booking date, airline, and cabin class. The cheapest fare found is $81 with departure on November 25, 2026 and return on December 2, 2026. Use our search for the most up-to-date prices.

How often do flights operate from Istanbul to Sofia?

There are at least 4 flights per day on the route Istanbul — Sofia from various airlines. This is based on the schedule we received on October 28, 2026. Schedules change by season and day of week. Use our search for the latest schedule and availability.

What are the carry-on baggage rules for flights from Istanbul to Sofia?

Carry-on rules for flights from Istanbul to Sofia vary by airline. Typically passengers can bring one carry-on bag and one personal item such as a laptop bag or handbag. Weight and size limits usually are around 7–10 kg and 55x40x20 cm. Liquids and some items have additional security rules. Always check the specific airline policy before you fly.

What are the rules for traveling with pets on flights from Istanbul to Sofia?

Pet transport rules vary by airline. Generally pets must be in approved carriers. Some airlines allow small pets in the cabin, while larger pets must travel in the cargo hold. Health documents and certificates are required. Please confirm all requirements with your chosen airline.

How early should I arrive at the airport for a flight from Istanbul to Sofia?

Arrive early — typically 2–3 hours before international flights and 1–2 hours before domestic flights. This allows time for check‑in, baggage drop, and security. Peak periods or certain destinations may require extra time.

What additional fees can occur when booking a ticket from Istanbul to Sofia?

Additional fees can include seat selection, extra or special baggage, onboard meals, ticket changes or cancellations, early or late check‑in, and insurance. We do not add booking fees, but extra charges depend on the airline and fare rules.

Are there discounts or promotions for flights from Istanbul to Sofia?

Discounts and promotions vary by airline and booking period. Many airlines run deals outside peak seasons or for early bookings. Check our site regularly for the latest offers, as availability can change quickly.

Are there night flights from Istanbul to Sofia?

Night flight availability from Istanbul to Sofia can vary by airline and season. Use our search to see current schedules and departure times.

Are there Wi‑Fi flights on the Istanbul - Sofia route?

Wi‑Fi availability on Istanbul - Sofia flights varies by airline and aircraft. Check details with specific airlines or use our search to see current options.

What are the most common transfer options on flights from Istanbul to Sofia?

Transfer options from Istanbul to Sofia vary by airline and route. Some flights are direct while others include one or more connections. Use our search for accurate options.

What onboard services are provided on Istanbul - Sofia flights?

Onboard services vary by airline. Typically passengers can expect entertainment, meals, and beverages, and some carriers offer Wi‑Fi or additional amenities. Check with the airline or use our search for details.

Which airports serve the Istanbul - Sofia route?

The Istanbul - Sofia route is usually served by these departure airports: Istanbul New Airport, Sabiha Gokcen International Airport. Arrival is usually through these airports: Sofia Airport. Exact airport combinations depend on the airline and selected flight. Use our search for details.

What aircraft fly the Istanbul - Sofia route?

Airlines operate various aircraft types on the Istanbul - Sofia route. Examples include Airbus Industrie A321, Airbus Industrie A320 and other models. Aircraft type depends on the carrier and specific flight. Use our search for up‑to‑date details.

Which connecting cities are common on the Istanbul - Sofia route?

Connecting cities on the Istanbul - Sofia route can vary by airline and schedule. Many major hubs may be used. Use our search or check with airlines for current options.