What is the cheapest airline that flies from Sofia to Istanbul?

Sky Express, Wizz Air, and Air Serbia are the most popular carriers operating from Sofia to Istanbul

How often are flights from Sofia to Istanbul delayed?

Historically, on average around 7% of flights between Sofia and Istanbul have experienced a delay on any given week. The average delay length over the past 12 months has been 109 minutes.

How many flights depart from Sofia to Istanbul Airport on average per day?

As of November 2025, there are 6 flights per day flying from Sofia to Istanbul Airport. The most common time of day flights depart is 9:00AM, with 47% of flights taking off at noon.

How many flights depart from Sofia to Istanbul Airport on average per week?

As of November 2025, there are 44 flights per week flying from Sofia to Istanbul Airport. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

Which airline has the best punctuality record on Sofia to Istanbul flights?

According to our data, Bulgaria Air have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

What is the most punctual flight time for Sofia to Istanbul flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

When did momondo last update prices for flights from Sofia Airport to Istanbul Airport?

Prices for flights from Sofia Airport to Istanbul Airport are updated daily.

How many operators does momondo search for flights from Sofia Airport to Istanbul Airport?

There are 2 operators available for flights from Sofia Airport to Istanbul Airport as of November 2025.

How old do you have to be to fly from Sofia Airport to Istanbul Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Istanbul Airport.

What documentation or ID do you need to fly to Istanbul Airport?

The necessary travel and health documents for your Istanbul Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$88 Cheap Flights from Sofia to Istanbul Airport in 2025/26

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9:40 pm - 12:15 amSOF-IST

1h 35mnonstop

8:30 pm - 8:50 pmIST-SOF

1h 20mnonstop

$139Turkish Airlines

Find Deal

Thu, Dec 11 - Mon, Dec 15

4:00 pm - 6:30 pmSOF-IST

1h 30mnonstop

2:50 pm - 3:10 pmIST-SOF

1h 20mnonstop

$141Turkish Airlines

Find Deal

Mon, Dec 8 - Fri, Dec 12

6:00 am - 9:05 pmSOF-IST

14h 05m1 stop

8:30 pm - 8:50 pmIST-SOF

1h 20mnonstop

$144Multiple Airlines

Find Deal

Sat, Dec 6 - Mon, Dec 8

9:35 am - 12:05 pmSOF-IST

1h 30mnonstop

8:30 pm - 8:50 pmIST-SOF

1h 20mnonstop

$152Turkish Airlines

Find Deal

Sun, Jan 18 - Wed, Jan 21

12:10 pm - 6:30 pmSOF-IST

5h 20m1 stop

10:40 am - 5:10 pmIST-SOF

7h 30m1 stop

$153Multiple Airlines

Find Deal

Thu, Nov 20 - Sun, Nov 23

3:15 pm - 10:35 amSOF-IST

18h 20m1 stop

4:50 pm - 2:25 pmIST-SOF

22h 35m1 stop

$187Aegean Airlines

Find Deal

Sat, Nov 22 - Fri, Nov 28

4:00 pm - 3:55 pmSOF-IST

22h 55m1 stop

5:30 am - 3:30 pmIST-SOF

11h 00m1 stop

$201Air Serbia

Find Deal

Thu, Nov 20 - Mon, Nov 24

4:05 pm - 4:50 pmSOF-IST

23h 45m1 stop

5:35 pm - 3:30 pmIST-SOF

22h 55m1 stop

$202Air Serbia

Find Deal

Fri, Dec 12 - Tue, Dec 16

7:45 pm - 10:50 amSOF-IST

14h 05m1 stop

12:15 am - 7:15 pmIST-SOF

20h 00m1 stop

$246TAROM

Find Deal

Sun, Jan 18 - Tue, Jan 20

10:05 am - 10:45 pmSOF-IST

12h 40m1 stop

12:15 am - 7:15 pmIST-SOF

19h 00m1 stop

$248TAROM

Find Deal

Sat, May 2 - Tue, May 5

Turkish Airlines flights from Sofia to Istanbul Airport

Our best Turkish Airlines deals on Sofia to Istanbul Airport flight tickets

Turkish Airlines

Dec 11

SOF9:40 pmSofia

1h 35m

IST12:15 amIstanbul

Dec 15

IST8:30 pmIstanbul

1h 20m

SOF8:50 pmSofia

$139

Find similar

Turkish Airlines

Dec 8

SOF4:00 pmSofia

1h 30m

IST6:30 pmIstanbul

Dec 12

IST2:50 pmIstanbul

1h 20m

SOF3:10 pmSofia

$141

Find similar

Turkish Airlines

Jan 18

SOF9:35 amSofia

1h 30m

IST12:05 pmIstanbul

Jan 21

IST8:30 pmIstanbul

1h 20m

SOF8:50 pmSofia

$152

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Air Serbia flights from Sofia to Istanbul Airport

Our best Air Serbia deals on Sofia to Istanbul Airport flight tickets

Air Serbia

Nov 20

SOF4:00 pmSofia

22h 55m

1 stop

IST3:55 pmIstanbul

Nov 24

IST5:30 amIstanbul

11h 00m

1 stop

SOF3:30 pmSofia

$201

Find similar

Air Serbia

Dec 12

SOF4:05 pmSofia

23h 45m

1 stop

IST4:50 pmIstanbul

Dec 16

IST5:35 pmIstanbul

22h 55m

1 stop

SOF3:30 pmSofia

$202

Find similar

Air Serbia

Apr 15

SOF4:05 pmSofia

23h 50m

1 stop

IST3:55 pmIstanbul

Apr 19

IST3:40 pmIstanbul

11h 15m

1 stop

SOF2:55 amSofia

$203

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Fly from

Fly to

Route

Depart

Return

Price

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Thu 12/11

9:40 pm-12:15 am

Nonstop1h 35m

Istanbul

Mon 12/15

8:30 pm-8:50 pm

Nonstop1h 20m

$139

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Mon 12/8

4:00 pm-6:30 pm

Nonstop1h 30m

Istanbul

Fri 12/12

2:50 pm-3:10 pm

Nonstop1h 20m

$141

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Sat 12/6

6:00 am-9:05 pm

1 stop14h 05m

Istanbul

Mon 12/8

8:30 pm-8:50 pm

Nonstop1h 20m

$144

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Sun 1/18

9:35 am-12:05 pm

Nonstop1h 30m

Istanbul

Wed 1/21

8:30 pm-8:50 pm

Nonstop1h 20m

$152

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Thu 11/20

12:10 pm-6:30 pm

1 stop5h 20m

Istanbul

Sun 11/23

10:40 am-5:10 pm

1 stop7h 30m

$153

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Sat 11/22

3:15 pm-10:35 am

1 stop18h 20m

Istanbul

Fri 11/28

4:50 pm-2:25 pm

1 stop22h 35m

$187

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Thu 11/20

4:00 pm-3:55 pm

1 stop22h 55m

Istanbul

Mon 11/24

5:30 am-3:30 pm

1 stop11h 00m

$201

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Fri 12/12

4:05 pm-4:50 pm

1 stop23h 45m

Istanbul

Tue 12/16

5:35 pm-3:30 pm

1 stop22h 55m

$202

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Sun 1/18

7:45 pm-10:50 am

1 stop14h 05m

Istanbul

Tue 1/20

12:15 am-7:15 pm

1 stop20h 00m

$246

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Sat 5/2

10:05 am-10:45 pm

1 stop12h 40m

Istanbul

Tue 5/5

12:15 am-7:15 pm

1 stop19h 00m

$248

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How to get the cheapest flight ticket from Sofia to Istanbul Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Istanbul Airport?

In general, March is the cheapest month to fly from Sofia to Istanbul Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $101. If you don’t want to visit Istanbul Airport in March, then you should wait until January to fly from Sofia, when ticket prices are also cheap, with an average price of $107.

What is the cheapest day to depart on your flight to Istanbul Airport?

Our data shows that Tuesday is the least expensive day to fly to Istanbul Airport. Tickets to fly out on this day can be as low as $776. On the other hand, Friday is the most expensive day to depart from Sofia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $861.

What is the cheapest time of day to depart on your flight to Istanbul Airport?

At noon is the cheapest time of day to fly from Sofia to Istanbul Airport when you can find flight prices for as low as $235. Flying to Istanbul Airport at noon is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $904.

What is the cheapest Sofia to Istanbul flight route?

Fly from Sofia to Istanbul for the best Sofia - Istanbul flight prices

How far in advance should I book a flight to Istanbul Airport?

You are more likely to see cheaper flights to Istanbul Airport from Sofia when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul Airport for around $135 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul Airport from Sofia for as low as $113 on momondo.

What cabin class options are available on Sofia to Istanbul flights?

There are 3 cabin classes available to choose from on Sofia to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Sofia to Istanbul Airport flight prices changed over time?

As of November 2025, prices for Sofia to Istanbul Airport flights are approximately 37% cheaper when compared to flights at the same time last year.

When to book flights from Sofia to Istanbul Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sofia to Istanbul Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Sofia to Istanbul Airport (SOF to IST) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to Istanbul Airport

Best Price Found	$292
Fastest flight time	1h 25m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun

The best one-way flight to Istanbul Airport from Sofia in the past 72 hours is $292. The best round-trip flight deal from Sofia to Istanbul Airport found on momondo in the last 72 hours is $703.

The fastest flight from Sofia to Istanbul Airport takes 1h 25m

Direct flights go from Sofia to Istanbul Airport on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Turkish Airlines.

Search flight deals

How far is Sofia to Istanbul by plane?
There are 294.8 mi between Sofia and Istanbul. By plane, this route typically takes 1h 30m.
When did momondo last update prices for flights from Sofia Airport to Istanbul Airport?
Prices for flights from Sofia Airport to Istanbul Airport are updated daily.
How many operators does momondo search for flights from Sofia Airport to Istanbul Airport?
There are 2 operators available for flights from Sofia Airport to Istanbul Airport as of November 2025.
How old do you have to be to fly from Sofia Airport to Istanbul Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Istanbul Airport.
What documentation or ID do you need to fly to Istanbul Airport?
The necessary travel and health documents for your Istanbul Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Sofia to Istanbul Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Sofia to Istanbul Airport is Airbus A321-100/200 (18.83% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (18.83%), Airbus A321 (sharklets) (15.74%), and Boeing 737 MAX 8 (13.58%).
What is the most popular airline from Sofia to Istanbul Airport?
momondo data reveals that the most frequently booked airline on the route from Sofia to Istanbul Airport is Pegasus Airlines, representing 57% of all bookings. The subsequent popular airline is Turkish Airlines at 43%.

Best airlines flying from Sofia to Istanbul Airport

Compare and see reviews for airlines that fly from Sofia to Istanbul Airport with momondo

Airline	Rating	Free Cancellation	Price
Pegasus Airlines	PriceFrom $87	Free Cancellation	Rating 6.7 635 reviews		Search Pegasus Airlines flights
Turkish Airlines	PriceFrom $140	Free Cancellation	Rating 7.3 4,039 reviews		Search Turkish Airlines flights

Turkish Airlines Flights From Sofia to Istanbul Airport
Turkish Airlines operates around 16 flights from Sofia to Istanbul Airport every week. The average price of these flights found in the last 72 hours has been $238, but momondo users have found Turkish Airlines deals from Sofia to Istanbul Airport from as low as $140 round-trip. Turkish Airlines has been scored 7.3/10 in 4,039 reviews.

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Why use momondo?

Why should I use momondo to find a flight deal from Sofia to Istanbul?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sofia to Istanbul. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Sofia to Istanbul with flexible booking policies on momondo?

Yes. All flights to Istanbul from Sofia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Sofia to Istanbul?

Once you have performed a search for Sofia to Istanbul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Sofia to Istanbul right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Sofia to Istanbul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Istanbul Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Flights to Istanbul Sabiha Gokcen Airportfrom $484

Cheap flights from Sofia to Istanbul from $88

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sofia to Istanbul departing on 11/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Turkish Airlines flights from Sofia to Istanbul Airport

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How to get the cheapest flight ticket from Sofia to Istanbul Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Istanbul Airport?

What is the cheapest day to depart on your flight to Istanbul Airport?

What is the cheapest time of day to depart on your flight to Istanbul Airport?

What is the cheapest Sofia to Istanbul flight route?

Fly from Sofia to Istanbul for the best Sofia - Istanbul flight prices

How far in advance should I book a flight to Istanbul Airport?

What cabin class options are available on Sofia to Istanbul flights?

There are 3 cabin classes available to choose from on Sofia to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Sofia to Istanbul Airport flight prices changed over time?

As of November 2025, prices for Sofia to Istanbul Airport flights are approximately 37% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Sofia to Istanbul?

Sky Express, Wizz Air, and Air Serbia are the most popular carriers operating from Sofia to Istanbul

How often are flights from Sofia to Istanbul delayed?

Historically, on average around 7% of flights between Sofia and Istanbul have experienced a delay on any given week. The average delay length over the past 12 months has been 109 minutes.

What is the most punctual flight time for Sofia to Istanbul flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Sofia to Istanbul flights?

According to our data, Bulgaria Air have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

How many flights depart from Sofia to Istanbul Airport on average per day?

As of November 2025, there are 6 flights per day flying from Sofia to Istanbul Airport. The most common time of day flights depart is 9:00AM, with 47% of flights taking off at noon.

How many flights depart from Sofia to Istanbul Airport on average per week?

As of November 2025, there are 44 flights per week flying from Sofia to Istanbul Airport. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

When to book flights from Sofia to Istanbul Airport

Cheap Sofia to Istanbul Airport (SOF to IST) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to Istanbul Airport

Best Price Found

Fastest flight time

Direct flights

How far is Sofia to Istanbul by plane?

When did momondo last update prices for flights from Sofia Airport to Istanbul Airport?

How many operators does momondo search for flights from Sofia Airport to Istanbul Airport?

How old do you have to be to fly from Sofia Airport to Istanbul Airport?

What documentation or ID do you need to fly to Istanbul Airport?

What is the most popular plane model from Sofia to Istanbul Airport?

What is the most popular airline from Sofia to Istanbul Airport?

Best airlines flying from Sofia to Istanbul Airport

Compare and see reviews for airlines that fly from Sofia to Istanbul Airport with momondo

Turkish Airlines Flights From Sofia to Istanbul Airport

Traveling to a place near Istanbul?

Why use momondo?

Why should I use momondo to find a flight deal from Sofia to Istanbul?

Can I find flights from Sofia to Istanbul with flexible booking policies on momondo?

How can momondo help me find flights from Sofia to Istanbul?

I’m not ready to book a flight from Sofia to Istanbul right now. Can momondo alert me if prices change?

An easier way to manage your Istanbul Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Istanbul

Popular cities in Turkey

Popular flights according to clicks in the last 7 days on momondo