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$90+ Cheap flights from Istanbul (IST) to Sofia (SOF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SOF
mei. 5 — mei. 121
ma 5/5
ma 5/12
1 adult, Economy
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Cheapflights Tip: The best prices from Istanbul to Sofia are usually found in July or January, booked 90 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Istanbul to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated april 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$169
(Turkish Airlines)

One-way from

$90
(Turkish Airlines)

Popular in

September

Cheapest in

July

Average price

$245

Good round-trip deal

$271 or less

Good one-way deal

$141 or less
Provider with most accurate pricing for Istanbul-Sofia flight deals.
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Provider most trusted by Cheapflights users for Istanbul-Sofia flights.
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From Istanbul to Sofia
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One-way flight from Istanbul to Sofia
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Highest demand for flights based on searches. 15% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Istanbul to Sofia.
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Price to beat on a one-way flight from Istanbul to Sofia.
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Find flight deals from Istanbul to Sofia

Cheapest flights from Istanbul to Sofia
Explore the most affordable flight options available from Istanbul to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on april 30, 2025.

This Turkish Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 5/171:20 pmIST - SOF
Nonstop1h 25mTurkish Airlines
vr 5/303:35 pmSOF - IST
Nonstop1h 35mTurkish Airlines
Deal found 4/28$169
This Mytrip deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 5/229:10 amIST - SOF
1 stop8h 40mMultiple Airlines
zo 5/258:30 pmSOF - IST
1 stop12h 00mMultiple Airlines
Deal found 4/28$170
This Air Serbia deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 6/174:35 pmIST - SOF
1 stop23h 00mAir Serbia
zo 10/54:05 pmSOF - IST
1 stop11h 25mAir Serbia
Deal found 4/28$202
This Gotogate deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 7/307:00 amIST - SOF
1 stop6h 50mLOT
zo 8/36:40 pmSOF - IST
1 stop18h 25mLOT
Deal found 4/29$236
This Aegean Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aegean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 7/214:35 amIST - SOF
1 stop5h 25mAegean Airlines
vr 7/259:15 pmSOF - IST
1 stop5h 05mAegean Airlines
Deal found 4/27$238
This Lufthansa deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 5/222:00 pmIST - SOF
1 stop21h 15mLufthansa
zo 5/256:00 amSOF - IST
2 stops15h 20mLufthansa
Deal found 4/28$387

Cheapflights Fare Finder

Customize your flight search to find flights from Istanbul to Sofia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated april 30, 2025.
Use the filters below to find and compare flights from Istanbul Airport to Sofia that are best for you.

Fly from

Istanbul

Fly to

Sofia

Route

Depart

Return

Price

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

za 5/17

1:20 pm-2:45 pm

Nonstop1h 25m

Sofia

vr 5/30

3:35 pm-5:10 pm

Nonstop1h 35m

$169

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

do 5/22

9:10 am-5:50 pm

1 stop8h 40m

Sofia

zo 5/25

8:30 pm-8:30 am

1 stop12h 00m

$170

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

di 6/17

4:35 pm-3:35 pm

1 stop23h 00m

Sofia

zo 10/5

4:05 pm-3:30 am

1 stop11h 25m

$202

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

wo 7/30

7:00 am-1:50 pm

1 stop6h 50m

Sofia

zo 8/3

6:40 pm-1:05 pm

1 stop18h 25m

$236

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

ma 7/21

4:35 am-10:00 am

1 stop5h 25m

Sofia

vr 7/25

9:15 pm-2:20 am

1 stop5h 05m

$238

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

za 5/10

2:00 pm-10:50 pm

1 stop8h 50m

Sofia

zo 5/11

6:20 am-1:05 pm

1 stop6h 45m

$386

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

di 5/20

7:20 am-8:35 am

Nonstop1h 15m

$90

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

do 6/26

9:10 am-4:30 pm

1 stop7h 20m

$97

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

vr 9/26

3:40 pm-3:35 pm

1 stop23h 55m

$105

IstanbulSofia

IST - SOF

ISTSOF

Istanbul

vr 9/26

5:55 pm-11:00 pm

2 stops29h 05m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 11 results
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Compare providers for flights from Istanbul to Sofia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Istanbul to Sofia in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Istanbul Airport-Sofia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Istanbul Airport-Sofia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Istanbul Airport-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Istanbul Airport-Sofia flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Istanbul Airport-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Istanbul to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Istanbul with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Istanbul Airport to Sofia

How far ahead should I book a flight from Istanbul Airport to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Istanbul to Sofia. Price data was last updated on April 25, 2025.

The price you pay for your flight from Istanbul Airport to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Istanbul Airport to Sofia?

Currently, November is the cheapest month in which you can book a flight from Istanbul Airport to Sofia (average of $632). Flying from Istanbul Airport to Sofia in June is currently the most expensive (average of $1,218). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IST to SOF?

Find hourly flight availability from Istanbul to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated april 30, 2025.

It’s typically best to fly out from Istanbul Airport to Sofia in the afternoon. Doing so could potentially save you 50% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sofia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sofia when rainfall is around 1.2 in.

Temperature in Sofia by month

Plan your trip to Sofia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated april 30, 2025.
Peruse reviews from past customers who have flown with Aegean Airlines, LOT and Turkish Airlines from Istanbul to Sofia to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very good
739 reviews

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Crew

8.6

Food

7.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very good
739 reviews
Aegean Airlines
8.1
Very good
739 reviews

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Crew

8.6

Food

7.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
LOT
7.6
Good
1,069 reviews
Aegean Airlines
8.1
Very good
739 reviews

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Crew

8.6

Food

7.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Turkish Airlines
7.3
Good
3,788 reviews
Aegean Airlines
8.1
Very good
739 reviews

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Crew

8.6

Food

7.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Lufthansa
6.7
Okay
7,042 reviews
Aegean Airlines
8.1
Very good
739 reviews

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Crew

8.6

Food

7.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Air Serbia
6.3
Okay
196 reviews
Aegean Airlines
8.1
Very good
739 reviews

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Crew

8.6

Food

7.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

Find useful and relevant information for your journey from Istanbul to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Istanbul?

    Most people fly into Sofia (SOF) if they book a flight to Sofia from Istanbul. On average, Sofia has 5 inbound flights from Istanbul per day from 2 airlines. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

  • What are the cheapest airlines flying from Istanbul Airport to Sofia round-trip?

    According to our current data, Turkish Airlines ($169), Air Serbia ($202), and LOT ($236) offers the cheapest pricing from Istanbul Airport to Sofia. You may be able to fly from Istanbul Airport to Sofia for 18% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Istanbul Airport to Sofia one-way?

    For one-way options, check prices for Turkish Airlines. According to our data, you can fly for as low as $90. Users have also found prices from $105 and $194 on Air Serbia and Lufthansa, respectively.

  • What are the most reliable airlines from Istanbul Airport to Sofia?

    No one likes to see their flight delayed. When booking a flight from Istanbul Airport to Sofia consider choosing Egyptair (87%), Singapore Airlines (87%) or IndiGo (86%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Istanbul Airport to Sofia?

    The cheapest flight price from Istanbul Airport to Sofia is $80. On average you can expect to pay $369. The most popular route, (Istanbul - Sofia), can usually be booked for $110.

  • Can I find deals for flights from Istanbul to Sofia that include hotel bookings?

    Yes. In addition to deals on Istanbul to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Istanbul to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Istanbul to Sofia.

  • Can I find deals for business class flights from Istanbul to Sofia?

    Yes. Cheapflights offers flight deals from Istanbul to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Istanbul Airport to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Istanbul Airport to Sofia (average of $632). Flying from Istanbul Airport to Sofia in June is currently the most expensive (average of $1,218). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Complete your trip

Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
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Top 2 airlines flying from Istanbul to Sofia

Discover the top 2 airlines that operate flights from Istanbul to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated april 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Pegasus AirlinesCheapest$74Average$132FlexibilityNo cancel feeOn-time82%
Turkish AirlinesCheapest$180Average$251FlexibilityNo cancel feeOn-time77%

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