Compare airlines, prices, and flight durations for your trip
Cheapest flights from Sofia to Istanbul
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 Sofia to Istanbul. 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!
The cost of a one-way flight from Sofia to Istanbul ranges from $56 (November 2026) to $111 (June 2027). On average, the ticket price is about $71–$73.
Airlines operating on route
Non-stop flights from Sofia to Istanbul
A non-stop flight is the most convenient and comfortable way to fly from Sofia to Istanbul, despite the fact that sometimes flights with transfers can cost significantly less.
Schedule of direct flights from Sofia to Istanbul
All airlines serving Sofia — Istanbul operate daily direct flights: Turkish Airlines and Pegasus Airlines fly every day.
Sofia airports overview
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Istanbul airports overview
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Frequently asked questions (FAQ)
Answers to questions about the route that travelers are most interested in.
Special offers and sales on air tickets from Sofia to Istanbul
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
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Cheapest one way flight
$66
Pegasus Airlines
Direct flight
1h 15m
08/24/2026
The cheapest one-way flight from Sofia to Istanbul departs on 08/24/2026, is operated by Pegasus Airlines and costs $66
Cheapest round trip flight
$135
Pegasus Airlines
Direct flight
2h 35m
07/19/2026
The cheapest roundtrip flight from Sofia to Istanbul departs on 07/19/2026, is operated by Pegasus Airlines and costs $135
The fastest flight
1h 15m
Fastest flight from Sofia to Istanbul takes 1h 15m
Direct flights
Several times a week
There are direct flights on this route 5 days a week: Mo, Tu, We, Th, and Sa
Earliest flight
9:35 AM
Latest flight
9:05 PM
Average flight duration
1h 22m
Direct flights count
34
Distance
486km
Timezone difference
1h
The distance between Sofia and Istanbul is 486km (301 miles). The average flight duration is 1h 22m. There are 34 direct flights from Sofia to Istanbul. The time difference between Sofia and Istanbul is 1h. Flights from Sofia begin at 9:35 AM. The latest flight from Sofia departs at 9:05 PM
November 2026
Lowest price
on average:
$56
June 2027
Highest price
on average:
$111
Avg Price
Price dynamics
On the Sofia — Istanbul 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 November 2026–December 2026 — averaging $58. The most expensive is December 2026–June 2027 ($85). The difference reaches 33%.
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 November 2026–December 2026, where you can save up to 33%.
Price predictability
Price spread on this route is 25%. Costs vary significantly, so your choice of month can noticeably affect your travel budget.
More than 6 airlines operate flights from Sofia to Istanbul, including Pegasus Airlines, Wizz Air, Ryanair, Air Serbia, Turkish Airlines, and LOT Polish Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $66, 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.
Sofia Airport (SOF) is Bulgaria’s main international gateway and typically serves a mix of full-service carriers, low-cost airlines and regional operators, making it a practical choice for both business and leisure travelers. Located about 10–15 km east of the city center, transfer options include metro (around 20–30 minutes, modest fares), buses or private taxis (20–40 minutes depending on traffic, taxi fares vary), and airport shuttles to major hotels. The airport usually offers a compact terminal with standard amenities and a range of dining and shopping options; pros are quick immigration and good low-cost connections, while cons can include peak-time queues and occasional crowding during holiday periods.
What is the cheapest price for flights from Sofia to Istanbul?
The cheapest flight ticket from Sofia to Istanbul according to data for the last 48 hours costs $66
When is the best time to buy air tickets on the route Sofia — Istanbul?
Often the best time to buy tickets from Sofia to Istanbul is 2 months before departure.
When is the cheapest time of year to fly from Sofia to Istanbul?
Based on statistics over the past years, the lowest prices for flights from Sofia to Istanbul can be found flying in these months: November, December, August.
How long does it take to fly from Sofia to Istanbul?
The fastest flights from Sofia to Istanbul start from 1 hour 15 minutes in the air.
Which airline can fly direct from Sofia to Istanbul?
The following airlines operate direct flights on the route Sofia — Istanbul: Pegasus Airlines
Istanbul is served by two main airports with distinct roles. Istanbul Airport (IST) is the large international hub on the European side, typically handling long-haul and full-service carriers and serving as a transit focal point; it sits roughly 35–50 km from the historic city center, with airport bus lines and taxis taking about 40–60 minutes depending on traffic and costing roughly moderate fares relative to local standards. Sabiha Gökçen (SAW) is a budget- and low-cost-oriented airport on the Asian side, usually favored for cheaper carriers and regional flights; it lies about 40–55 km from central Istanbul, reachable by shuttle services, buses, and taxis in around 50–90 minutes and often at lower out-of-pocket transfer costs. Pros: IST offers extensive facilities and connections, while SAW can be easier for budget fares; cons: both can involve long commutes and variable traffic-related transfer times.
