Compare airlines, prices, and flight durations for your trip
Cheapest flights from Istanbul to Sofia
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Istanbul to Sofia. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
Remember that on average the ideal time to book flights is 2 months before departure!
A non-stop flight is the most convenient and comfortable way to fly from Istanbul to Sofia, despite the fact that sometimes flights with transfers can cost significantly less.
Schedule of direct flights from Istanbul to Sofia
All airlines serving Istanbul — Sofia operate daily direct flights: Turkish Airlines and Pegasus Airlines fly every day.
Istanbul airports overview
•
•
•
Sofia airports overview
•
•
•
Frequently asked questions (FAQ)
Answers to questions about the route that travelers are most interested in.
Special offers and sales on air tickets from Istanbul to Sofia
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Alternative routes
•••••••••••••••••••
Cheapest one way flight
$54
Pegasus Airlines
Direct flight
1h 20m
06/15/2026
The cheapest one-way flight from Istanbul to Sofia departs on 06/15/2026, is operated by Pegasus Airlines and costs $54
Cheapest round trip flight
$116
Pegasus Airlines
Direct flight
2h 35m
06/09/2026
The cheapest roundtrip flight from Istanbul to Sofia departs on 06/09/2026, is operated by Pegasus Airlines and costs $116
The fastest flight
1h 15m
Fastest flight from Istanbul to Sofia takes 1h 15m
Direct flights
Several times a week
There are direct flights on this route 6 days a week: Mo, Tu, We, Th, Fr, and Sa
Earliest flight
7:30 AM
Latest flight
6:55 PM
Average flight duration
1h 17m
Direct flights count
34
Distance
486km
Timezone difference
1h
The distance between Istanbul and Sofia is 486km (301 miles). The average flight duration is 1h 17m. There are 34 direct flights from Istanbul to Sofia. The time difference between Istanbul and Sofia is 1h. Flights from Istanbul begin at 7:30 AM. The latest flight from Istanbul departs at 6:55 PM
June 2026
Lowest price
on average:
$57
April 2027
Highest price
on average:
$150
Avg Price
More than 5 airlines operate flights from Istanbul to Sofia, including Pegasus Airlines, Wizz Air, LC Busre SAC, Turkish Airlines, and Valuair. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $54, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
Istanbul is served by two main airports with distinct roles. Istanbul Airport (IST) is the city’s large international hub, typically handling most long-haul and premium carriers as well as many full-service airlines; fares there can be mid-to-high compared with smaller airports. It sits about 40–50 km from the historic center; travel options include the Havaist shuttle buses (roughly 60–90 minutes, paid fares), taxis (about 40–60 minutes, variable fares), and newly extended metro links that usually take around an hour. Pros: modern facilities, lots of lounges and international connections. Cons: longer transfers and potentially higher ground-transport costs.
Sabiha Gökçen Airport (SAW) functions mainly as a secondary, budget- and low-cost-carrier base on the Asian side. It typically hosts many low-cost and regional flights and can be perceived as cheaper on average for point-to-point fares. The airport lies roughly 35–45 km from central European-side attractions but closer to the Asian-side neighborhoods; shuttle buses and private transfers generally take 45–75 minutes, with taxis slightly quicker depending on traffic. Pros: often lower fares and less congestion inside. Cons: fewer long-haul options and longer cross-city transfers if you’re staying on the opposite side.
Sofia Airport (SOF) is Bulgaria’s main international gateway and typically acts as the country’s primary hub for both full-service carriers and a mix of low-cost airlines. Flights here can be competitively priced compared with smaller regional airports, though fares vary by season and carrier. The airport sits about 10–15 km east of Sofia’s city center; taxis usually take 15–30 minutes depending on traffic, while the metro line connects the terminal to central stations in roughly 20–25 minutes for a modest fare. Regular bus services and private shuttles are also common. Pros: relatively quick transfer to downtown and a range of carrier options. Cons: peak-hour congestion and occasional queues at security or passport control.
What is the cheapest price for flights from Istanbul to Sofia?
The cheapest flight ticket from Istanbul to Sofia according to data for the last 48 hours costs $54
When is the best time to buy air tickets on the route Istanbul — Sofia?
Often the best time to buy tickets from Istanbul to Sofia is 2 months before departure.
When is the cheapest time of year to fly from Istanbul to Sofia?
Based on statistics over the past years, the lowest prices for flights from Istanbul to Sofia can be found flying in these months: June, May, February.
How long does it take to fly from Istanbul to Sofia?
The fastest flights from Istanbul to Sofia start from 1 hour 15 minutes in the air.
Which airline can fly direct from Istanbul to Sofia?
The following airlines operate direct flights on the route Istanbul — Sofia: Pegasus Airlines
The cost of a one-way flight from Istanbul to Sofia ranges from $57 (June 2026) to $150 (April 2027). On average, the ticket price is about $88–$156.
Price dynamics
On the Istanbul — Sofia route, prices change frequently in both directions. Predicting the exact cost is tricky, but we can identify months when tickets tend to be cheaper.
Cheaper and more expensive periods
Despite the fluctuations, patterns exist: the cheapest period is May 2026–June 2026 — averaging $61. The most expensive is February 2027–April 2027 ($108). The difference reaches 44%.
Best time to buy
With this kind of price behavior, it's worth comparing prices across several months and booking when a good deal appears. A good benchmark is May 2026–June 2026, where you can save up to 44%.
Price predictability
Price spread on this route is 37.2%. Costs vary significantly, so your choice of month can noticeably affect your travel budget.
