Cheap Flights from Istanbul to Sofia

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Flight deals from Istanbul to Sofia Airport

Looking for a cheap last-minute deal or the best return flight from Istanbul to Sofia Airport? If you want to travel next month, return fares start from $200. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Istanbul to Sofia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Istanbul to Sofia flights are currently cheapest in March.

Direct flights from Istanbul to Sofia

Istanbul to Sofia: Alternative routes

Compare routes from Istanbul to Sofia below. You may find an airport to fly into that's cheaper, faster, or easier than Sofia.

Istanbul to Sofia: Flight information

The things to know before you go.
Cheapest flight found$167
Cheapest month to flyMarch
Average flight time1 hr, 19 mins
Most popular airlineTurkish Airlines
Average flights per week97

Finding cheap flights from Istanbul to Sofia: Frequently asked questions

The best price we found for a return flight from Istanbul to Sofia is $167. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 18 minutes is the average flight time from Istanbul to Sofia.
Turkish Airlines, IndiGo and Pegasus Airlines fly direct from Istanbul to Sofia.
As of March 2026, there are 97 flights per week flying from Istanbul to Sofia.
The cheapest month to fly from Istanbul to Sofia is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Istanbul to Sofia Airport on Tuesday, 24 March 2026.
Yes – the average flight time is 1 hour and 18 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sofia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sofia is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Sofia is Pegasus Airlines .

Travelling from Istanbul to Sofia Airport (SOF): What you need to know

  • There are two main airports you can start your trip from in Istanbul. Explore your options leaving from Istanbul Airport (IST) or Istanbul Sabiha Gokcen International Airport (SAW) when reserving your flight from Istanbul to Sofia Airport (SOF).

  • Expect to be travelling for 1 hour 15 minutes. That's the average journey time for a direct Istanbul to Sofia Airport flight.

  • The timezone in Sofia is UTC+2, which is one hour behind Istanbul. Sofia Airport is located in Sofia.

  • Istanbul Airport (IST) to Sofia Airport (SOF) is the most popular route. There are 21 direct weekly departures to choose from. If you have things to do before heading off, hop on the last flight with Turkish Airlines at 8:30pm. Choose the first IST to SOF departure operated by Turkish Airlines at 7:20am if you'd rather get going earlier.

  • Give yourself enough time to make your flight from Istanbul to SOF. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months like August, you'll want to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead for international flights when you fly during peak periods in general.

Airports in Istanbul

Istanbul Airport (IST)

  • Take the express route from Istanbul Airport (IST). Nonstop flights from Istanbul to Sofia Airport (SOF) operate from here.

  • When departing from IST, you can take a direct flight from Istanbul to Sofia Airport with Turkish Airlines.

  • The majority of passengers choose to fly with Turkish Airlines between IST and SOF.

  • Located around 40 kilometres from the centre of Istanbul, IST can be reached in about 45 minutes by car, depending on traffic. The journey on public transport will take roughly 1 hour 10 minutes.

  • Planning to catch an early flight from Istanbul to Sofia Airport? Avoid the mad dash to the terminal (and get some bonus sleep) by picking one of these stays close to Istanbul Airport:

Istanbul Sabiha Gokcen International Airport (SAW)

  • You can book a direct Istanbul to Sofia Airport (SOF) plane ticket with departures from Istanbul Sabiha Gokcen International Airport (SAW). Work out whether departing from SAW makes the most sense for you.

  • Take a direct flight from Istanbul to SOF with Pegasus. This is one of the leading carriers operating this route out of SAW.

  • Pegasus Airlines is the top choice for travellers flying from SAW to SOF.

  • Fly with Pegasus Airlines for the most punctual service. Its flights between Istanbul Sabiha Gokcen International Airport and Sofia Airport touch down as scheduled 80.33% of the time.

  • SAW is about 48 kilometres from central Istanbul. It'll take 1 hour 5 minutes or so to get to the airport in a car from the city centre. Public transport takes approximately 1 hour 40 minutes.

  • Flying off with the first light? Think about staying at one of these hotels near Istanbul Sabiha Gokcen International Airport the day before your Istanbul to SOF flight:

  • When it comes to flights staying on schedule, Istanbul Sabiha Gokcen International Airport has an on-time arrival rate of 68%.

About Sofia Airport (SOF)

Getting from Sofia Airport (SOF) to central Sofia

  • Central Sofia is around 10 kilometres from Sofia Airport and takes about 25 minutes to reach by car. See what your options are for getting into town, whether that's with a taxi, car hire or ride-share.

  • It'll take around 30 minutes if you're travelling by public transport.

How to find the cheapest flights from Istanbul to Sofia Airport (SOF)

  • $75 is the best price for a one-way ticket from Istanbul to Sofia Airport. A return flight starts from $167. These fares can change based on availability.

  • Don't wait until the last minute. You're more likely to find cheap flights from Istanbul to SOF if you book in advance. Airlines often offer some amazing early bird discounts.

  • The 'Whole month' tool will show you the cheapest Istanbul to Sofia Airport tickets across each month. It's a good way to snap up a bargain if your travel dates aren't set in stone.

  • Be the first to know about deals for plane tickets from Istanbul to SOF by setting up a Price Alert. We'll send you an email or notification on the app when prices go down.

  • Find the best deal on a flight from Istanbul to Sofia Airport with the help of the filters. Pick your ideal arrival and departure times, airlines and number of stops. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best.'

The best time to fly from Istanbul to Sofia Airport (SOF)

  • December is the quietest month for flights from Istanbul to Sofia Airport (SOF), while July is the busiest. Figure out the ideal time to go to Sofia based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Before locking in your Istanbul to SOF plane ticket, consider the kind of weather you prefer. August is the warmest month in Sofia, with temperatures ranging from 13ºC to 32ºC.

  • If you want to travel in cooler conditions, look for a cheap ticket from Istanbul to Sofia Airport in January when temperatures are between -11ºC and 7ºC.

More about Sofia

  • When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Sofia right here. Browse these hotels once you've booked your flight from Istanbul to Sofia Airport:

  • There are plenty of terrific things to do in Sofia when you're in the mood to sightsee. Make your way to Boyana Church followed by National Historical Museum and Cathedral of the Dormition.

Explore more of Bulgaria

  • You've done Sofia, now it's time to discover other parts of Bulgaria. Travel about 129 kilometres southeast to Plovdiv to tick off its leading sights. From Plovdiv Roman Theatre to Municipal Institute "Ancient Plovdiv" and Museum Centre for Contemporary History, you've got a jam-packed schedule ahead.

  • If you're looking to explore another corner of Bulgaria, head for Stara Zagora, roughly 193 kilometres east of Sofia. Antique's mosaic, State Opera Stara Zagora and Stara Zagora Art Gallery are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.