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CA $135 Cheap Flights from Istanbul (IST) to Sofia (SOF)

View CA $135 flight on Tue, Aug 11, 2026Opens in a new window

Popular airlines from Istanbul Airport (IST) to Sofia Airport (SOF)

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Cheap flights from Istanbul (IST) to Sofia (SOF)

Prices were available within the past 7 days and start at CA $135 for one-way flights and CA $250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sun, Mar 21 - Sat, Apr 3
IST
Istanbul
SOF
Sofia
CA $250 Roundtrip, found 1 day ago
CA $250
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Mar 21 from Istanbul to Sofia, returning Sat, Apr 3, priced at CA $250 found 1 day ago
Lufthansa
Mon, May 10 - Thu, May 13
IST
Istanbul
SOF
Sofia
CA $250 Roundtrip, found 4 days ago
CA $250
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, May 10 from Istanbul to Sofia, returning Thu, May 13, priced at CA $250 found 4 days ago
Turkish Airlines
Thu, Jul 23 - Fri, Jul 24
IST
Istanbul
SOF
Sofia
CA $268 Roundtrip, found 4 days ago
CA $268
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Thu, Jul 23 from Istanbul to Sofia, returning Fri, Jul 24, priced at CA $268 found 4 days ago
Lufthansa
Sun, Mar 21 - Sat, Apr 3
IST
Istanbul
SOF
Sofia
CA $271 Roundtrip, found 1 day ago
CA $271
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Mar 21 from Istanbul to Sofia, returning Sat, Apr 3, priced at CA $271 found 1 day ago
Turkish Airlines
Tue, Aug 11 - Tue, Aug 18
IST
Istanbul
SOF
Sofia
CA $273 Roundtrip, just found
CA $273
Roundtrip
just found
Select Turkish Airlines flight, departing Tue, Aug 11 from Istanbul to Sofia, returning Tue, Aug 18, priced at CA $273 just found
Turkish Airlines
Tue, Aug 11 - Tue, Aug 18
IST
Istanbul
SOF
Sofia
CA $275 Roundtrip, just found
CA $275
Roundtrip
just found
Select Turkish Airlines flight, departing Tue, Aug 11 from Istanbul to Sofia, returning Tue, Aug 18, priced at CA $275 just found
Turkish Airlines
Tue, Aug 11 - Tue, Aug 18
IST
Istanbul
SOF
Sofia
CA $283 Roundtrip, just found
CA $283
Roundtrip
just found
Select Turkish Airlines flight, departing Tue, Aug 11 from Istanbul to Sofia, returning Tue, Aug 18, priced at CA $283 just found
Air Serbia
Thu, Nov 5 - Fri, Nov 6
IST
Istanbul
SOF
Sofia
CA $353 Roundtrip, found 6 days ago
CA $353
Roundtrip
found 6 days ago
Select Air Serbia flight, departing Thu, Nov 5 from Istanbul to Sofia, returning Fri, Nov 6, priced at CA $353 found 6 days ago
LOT-Polish Airlines
Sun, Mar 21 - Sat, Apr 3
IST
Istanbul
SOF
Sofia
CA $354 Roundtrip, found 1 day ago
CA $354
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Sun, Mar 21 from Istanbul to Sofia, returning Sat, Apr 3, priced at CA $354 found 1 day ago
Aegean
Fri, Sep 25 - Mon, Sep 28
IST
Istanbul
SOF
Sofia
CA $393 Roundtrip, found 1 hour ago
CA $393
Roundtrip
found 1 hour ago
Select Aegean flight, departing Fri, Sep 25 from Istanbul to Sofia, returning Mon, Sep 28, priced at CA $393 found 1 hour ago

Find the cheapest month to fly from Istanbul (IST) to Sofia (SOF)

December is typically the cheapest month to fly

From CA $136 - CA $418 per traveller.

Frequently asked questions

How much does a flight from Istanbul (IST) to Sofia (SOF) cost?
You can find cheap one-way flights from CA $135 and cheap return flights from CA $250 IST to SOF with Expedia. One-way flights typically cost between CA$201 and CA$1,049 and return flights often range between CA$370 and CA$1,258. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when IST to SOF ticket fares go up or down.
What is the cheapest month to fly from Istanbul (IST) to Sofia (SOF)?
The cheapest months to fly from IST to SOF are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Istanbul (IST) to Sofia (SOF)?
Only one airline offers direct flights from Istanbul (IST) to Sofia (SOF). Turkish Airlines operates 23 direct flights from Istanbul (IST) to Sofia (SOF) every week.
What is the cheapest airline that flies from Istanbul (IST) to Sofia (SOF)?
Pegasus Airlines is one of the cheapest airlines offering nonstop return flights from Istanbul (IST) to Sofia (SOF), with tickets starting from around CA$189 for flights that can be booked for departure within the next year. Sky Express offers one of the cheapest connecting return flights from Istanbul (IST) to Sofia (SOF) starting from around CA$502. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Istanbul (IST) to Sofia (SOF)?
To find a cheap flight from Istanbul (IST) to Sofia (SOF), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Istanbul (IST) to Sofia (SOF)?
The best airline to fly with from Istanbul (IST) to Sofia (SOF) will differ from traveler to traveler. If you like to fly early, Turkish Airlines offers early morning flights. If price is the most important factor, Pegasus Airlines typically offers the lowest fares. Turkish Airlines offers the most daily flights from Istanbul (IST) to Sofia (SOF), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Istanbul (IST) to Sofia (SOF)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Istanbul (IST) to Sofia (SOF)?
You'll find approximately 3 nonstop flights per day from Istanbul (IST) to Sofia (SOF). For even more choices, look at flights that include layovers, as there are around 39 connecting flights per day. Some common connection points include Nikola Tesla (BEG), Frankfurt Intl. (FRA), and Eleftherios Venizelos (ATH).
What is the earliest flight from Istanbul (IST) to Sofia (SOF)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from IST to SOF. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Istanbul (IST) to Sofia (SOF)?
You'll generally find the most flights from Istanbul (IST) to Sofia (SOF) on a Monday, with around 25 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Turkish Airlines, Aegean, and Air Serbia. Mondays offer notably more flight options compared to other days of the week, so you have more flexibility in choosing your departure time.
What are the most popular departure times for flights from Istanbul (IST) to Sofia (SOF)?
The most popular departure times for flights from Istanbul (IST) to Sofia (SOF) are between 12pm and 3pm. Many major carriers, including Turkish Airlines, LOT-Polish Airlines and Aegean, offer flights during this window. Many travellers prefer this time as it allows for a relaxed morning before heading to the airport and an afternoon arrival at your destination.
How long does it take to fly from Istanbul (IST) to Sofia (SOF)?
A direct flight from Istanbul (IST) to Sofia (SOF) typically takes around 1 hour 18 minutes, covering a distance of approximately 470 kilometres. If you opt for a flight with one stop, your travel time will be significantly longer, usually around 11 hours. Flights with two or more stops can take even longer, averaging about 17 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Istanbul (IST) to Sofia (SOF)?
Yes, you can fly business class between IST and SOF. Airlines that offer business class service on this route include:
  • British Airways
  • Air Serbia
  • Lufthansa
  • Turkish Airlines
  • LOT-Polish Airlines
  • Aegean
  • Tarom-Romanian Air Transport
How do I earn miles on a Istanbul (IST) to Sofia (SOF) flight with Expedia?
It's easy to earn miles on a Istanbul (IST) to Sofia (SOF) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Istanbul (IST) to Sofia (SOF) at the last minute?
Typically, booking a last minute flight from Istanbul (IST) to Sofia (SOF) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Istanbul (IST) to Sofia (SOF) flight and hotel package?
Securing a Istanbul (IST) to Sofia (SOF) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Istanbul (IST) to Sofia (SOF)?
If you booked your Istanbul (IST) to Sofia (SOF) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Istanbul
Destination airport
Sofia
Airlines serving
Aegean, Air Serbia, LOT-Polish Airlines, Lufthansa, SKY express, Tarom-Romanian Air Transport, Turkish Airlines
Roundtrip price
CA $249
Distance
466 km
Average flight time
1 hour 16 mins

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Istanbul to Sofia Flights

The easy way to book your flights from Istanbul to Sofia 

With Expedia, it’s simple to find and book flights to Sofia from Istanbul whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Sofia, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Istanbul to Sofia today, tomorrow, or this week.  

 

Save dollars with cheap flights from Istanbul, IST to Sofia, SOF 

Sort your search results by price to find great deals on your flight from Istanbul to Sofia—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Sofia from Istanbul currently is just CA $250 rising to CA $393.  

Here are more money-saving tips: 

  • Fly in March when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Sofia  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Sofia from Istanbul 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Sofia with Expedia today.

Istanbul to Sofia Flights

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