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. Sunday has historically seen more delays on average compared to the rest of the week.

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

As of January 2026, there are 6 flights per day flying from Istanbul to Sofia. The most common time of day flights depart is 8:00PM, with 42% of flights taking off in the evening.

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

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

How often are flights from Istanbul to Sofia delayed?

Historically, on average around 10% of flights between Istanbul and Sofia have experienced a delay on any given week. The average delay length over the past 12 months has been 92 minutes.

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

48 flights are operational weekly from Istanbul to Sofia as of January 2026. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

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

According to our data, Turkish Airlines have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

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

Turkish Airlines is the most popular carrier operating from Istanbul to Sofia

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

Prices for flights from Istanbul to Sofia Airport refresh daily.

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

There are 2 operators available for flights from Istanbul to Sofia Airport as of January 2026.

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

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

The travel and health documents you'll need for your trip to Sofia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$71 Cheap Flights from Istanbul to Sofia in 2026

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Find the cheapest flights from Istanbul to Sofia

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:10 am - 9:50 pm

IST

SOF

12h 40m

1 stop

4:00 pm - 6:30 pm

SOF

IST

1h 30mnonstop

$167Multiple Airlines

Tue, Mar 10 - Sun, Mar 15

4:40 pm - 3:30 pm

IST

SOF

23h 50m

1 stop

5:00 am - 4:50 pm

SOF

IST

10h 50m

1 stop

$177Air Serbia

Mon, Feb 16 - Sat, Feb 21

10:10 am - 4:10 pm

IST

SOF

7h 00m

1 stop

4:00 pm - 6:30 pm

SOF

IST

1h 30mnonstop

$182Multiple Airlines

Mon, Mar 2 - Mon, Mar 9

4:40 pm - 3:30 pm

IST

SOF

23h 50m

1 stop

4:05 pm - 4:50 pm

SOF

IST

23h 45m

1 stop

$187Air Serbia

Mon, Feb 23 - Fri, Feb 27

10:10 am - 9:50 pm

IST

SOF

12h 40m

1 stop

12:40 pm - 12:15 am

SOF

IST

10h 35m

1 stop

$188Multiple Airlines

Tue, Feb 3 - Thu, Feb 5

2:50 pm - 3:10 pm

IST

SOF

1h 20mnonstop

4:00 pm - 6:30 pm

SOF

IST

1h 30mnonstop

$190Turkish Airlines

Mon, Mar 2 - Mon, Mar 9

5:35 pm - 3:30 pm

IST

SOF

22h 55m

1 stop

4:05 pm - 4:25 am

SOF

IST

11h 20m

1 stop

$203Air Serbia

Tue, Mar 17 - Fri, Mar 20

8:30 pm - 8:50 pm

IST

SOF

1h 20mnonstop

4:00 pm - 6:30 pm

SOF

IST

1h 30mnonstop

$208Turkish Airlines

Tue, Mar 10 - Sun, Mar 15

5:20 am - 3:30 pm

IST

SOF

11h 10m

1 stop

4:00 pm - 3:55 pm

SOF

IST

22h 55m

1 stop

$212Air Serbia

Thu, Feb 5 - Sun, Feb 8

2:35 pm - 11:30 pm

IST

SOF

9h 55m

1 stop

9:40 pm - 12:15 am

SOF

IST

1h 35mnonstop

$219Multiple Airlines

Wed, Mar 4 - Wed, Mar 11

Turkish Airlines flights from Istanbul to Sofia

Our best Turkish Airlines deals on Istanbul to Sofia flight tickets

Turkish Airlines

Mar 2

IST2:50 pmIstanbul

1h 20m

SOF3:10 pmSofia

Mar 9

SOF4:00 pmSofia

1h 30m

IST6:30 pmIstanbul

$190

Turkish Airlines

Mar 10

IST8:30 pmIstanbul

1h 20m

SOF8:50 pmSofia

Mar 15

SOF4:00 pmSofia

1h 30m

IST6:30 pmIstanbul

$208

Turkish Airlines

Feb 3

IST2:50 pmIstanbul

1h 20m

SOF3:10 pmSofia

Feb 5

SOF9:40 pmSofia

1h 35m

IST12:15 amIstanbul

$250

Lufthansa flights from Istanbul to Sofia

Our best Lufthansa deals on Istanbul to Sofia flight tickets

Lufthansa

Mar 2

IST6:30 amIstanbul

17h 15m

1 stop

SOF10:45 pmSofia

Mar 9

SOF6:05 amSofia

15h 40m

2 stops

IST10:45 pmIstanbul

$314

Lufthansa

Mar 4

IST6:30 amIstanbul

17h 15m

1 stop

SOF10:45 pmSofia

Mar 11

SOF6:05 amSofia

15h 40m

2 stops

IST10:45 pmIstanbul

$336

Lufthansa

Mar 4

IST6:30 amIstanbul

12h 50m

2 stops

SOF6:20 pmSofia

Mar 11

SOF6:05 amSofia

15h 40m

2 stops

IST10:45 pmIstanbul

$371

Fly from

Fly to

Route

Depart

Return

Price

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

Tue 3/10

10:10 am-9:50 pm

1 stop12h 40m

Sofia

Sun 3/15

4:00 pm-6:30 pm

Nonstop1h 30m

$167

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

Mon 2/16

4:40 pm-3:30 pm

1 stop23h 50m

Sofia

Sat 2/21

5:00 am-4:50 pm

1 stop10h 50m

$177

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

Mon 3/2

10:10 am-4:10 pm

1 stop7h 00m

Sofia

Mon 3/9

4:00 pm-6:30 pm

Nonstop1h 30m

$182

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

Mon 2/23

4:40 pm-3:30 pm

1 stop23h 50m

Sofia

Fri 2/27

4:05 pm-4:50 pm

1 stop23h 45m

$187

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

Tue 2/3

10:10 am-9:50 pm

1 stop12h 40m

Sofia

Thu 2/5

12:40 pm-12:15 am

1 stop10h 35m

$188

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

Mon 3/2

2:50 pm-3:10 pm

Nonstop1h 20m

Sofia

Mon 3/9

4:00 pm-6:30 pm

Nonstop1h 30m

$190

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

Tue 3/17

5:35 pm-3:30 pm

1 stop22h 55m

Sofia

Fri 3/20

4:05 pm-4:25 am

1 stop11h 20m

$203

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

Tue 3/10

8:30 pm-8:50 pm

Nonstop1h 20m

Sofia

Sun 3/15

4:00 pm-6:30 pm

Nonstop1h 30m

$208

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

Thu 2/5

5:20 am-3:30 pm

1 stop11h 10m

Sofia

Sun 2/8

4:00 pm-3:55 pm

1 stop22h 55m

$212

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

Wed 3/4

2:35 pm-11:30 pm

1 stop9h 55m

Sofia

Wed 3/11

9:40 pm-12:15 am

Nonstop1h 35m

$219

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Istanbul to Sofia

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 Sofia?

The cheapest month to fly to Sofia from Istanbul is in December. Flight prices, which tend to average around $112, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of December, then book flights to Sofia from Istanbul during January instead. Flights to Sofia in January, while not as cheap as those in December, still average around $128.

What is the cheapest day to depart on your flight to Sofia?

According to our data, Friday is the cheapest day to fly to Sofia from Istanbul. The lowest ticket price found for a Friday departure recently was $156. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Istanbul to Sofia on a Saturday will generally be more expensive and average around $325. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

In the afternoon is the cheapest time of day to fly from Istanbul to Sofia when you can find flight prices for as low as $118. Flying to Sofia in the afternoon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Sofia, so prices are often more expensive at around $255 per ticket.

What is the cheapest Istanbul to Sofia flight route?

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

How far in advance should I book a flight to Sofia?

You are more likely to see cheaper flights to Sofia from Istanbul when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $159 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from Istanbul for as low as $111 on momondo.

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

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

Cheap Istanbul to Sofia flight deals and tips

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

Fastest flight time	1h 20m
Direct flights	Every day
Airports in Sofia	1 airport

The fastest flight from Istanbul to Sofia takes 1h 20m

Direct flights go from Istanbul to Sofia every day.

There is 1 airport in Sofia. From Istanbul there are direct flights to Sofia (SOF).

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How far is Istanbul to Sofia by plane?
The distance between Istanbul and Sofia is about 312.5 mi. In terms of flight time, this usually takes a little over 1h 20m.
When did momondo last update prices for flights from Istanbul to Sofia Airport?
Prices for flights from Istanbul to Sofia Airport refresh daily.
How many operators does momondo search for flights from Istanbul to Sofia Airport?
There are 2 operators available for flights from Istanbul to Sofia Airport as of January 2026.
How old do you have to be to fly from Istanbul to Sofia 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 Istanbul to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The travel and health documents you'll need for your trip to Sofia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Istanbul to Sofia

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

Airline	Rating	Free Cancellation	Price
Pegasus Airlines	PriceFrom $92	Free Cancellation	Rating 6.6 636 reviews		Search Pegasus Airlines flights
Turkish Airlines	PriceFrom $119	Free Cancellation	Rating 7.3 4,195 reviews		Search Turkish Airlines flights

Bansko

Borovets

Velingrad

Sandanski

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sofia from Istanbul.

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

Yes. momondo allows you to filter the results for Istanbul to Sofia flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Sofia from Istanbul. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Istanbul to Sofia 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.

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Cheap flights from Istanbul to Sofia from $71

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Istanbul to Sofia departing on 3/27. 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 Istanbul to Sofia

Our best Turkish Airlines deals on Istanbul to Sofia flight tickets

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Our best Lufthansa deals on Istanbul to Sofia flight tickets

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How to get the cheapest flight ticket from Istanbul to Sofia

What is the cheapest month to fly to Sofia?

What is the cheapest day to depart on your flight to Sofia?

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

What is the cheapest Istanbul to Sofia flight route?

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

How far in advance should I book a flight to Sofia?

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

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

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

Turkish Airlines is the most popular carrier operating from Istanbul to Sofia

How often are flights from Istanbul to Sofia delayed?

Historically, on average around 10% of flights between Istanbul and Sofia have experienced a delay on any given week. The average delay length over the past 12 months has been 92 minutes.

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

Generally, flights departing in the early afternoon 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. Sunday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Turkish Airlines have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

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

As of January 2026, there are 6 flights per day flying from Istanbul to Sofia. The most common time of day flights depart is 8:00PM, with 42% of flights taking off in the evening.

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

48 flights are operational weekly from Istanbul to Sofia as of January 2026. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

Cheap Istanbul to Sofia flight deals and tips

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

Fastest flight time

Direct flights

Airports in Sofia

How far is Istanbul to Sofia by plane?

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

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

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

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

Best airlines flying from Istanbul to Sofia

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

Traveling to a place near Sofia?

Why use momondo?

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

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

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

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

An easier way to manage your Sofia 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 Bulgaria

Fly your favorite airline to Sofia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo