To Istanbul

Cheap Flights from Sofia to Istanbul

Browse current best options from Sofia. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Sofia

RatePunk searches hundreds of travel sites at once for deals on flights to Istanbul

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Sofia to Istanbul

Explore current cheapest deals departing from Sofia to Istanbul

Round trip

Sort by: Cheapest

December 5 - December 12

Cheapest

SOF - Istanbul

$143

$117

Round trip

December 4 - December 5

Cheapest

SOF - Istanbul

$145

$117

Round trip

December 4 - December 12

Cheapest

SOF - Istanbul

$143

$117

Round trip

December 4 - December 18

Cheapest

SOF - Istanbul

$137

$117

Round trip

June 24 - June 26

Cheapest

Best

SOF - Istanbul

$232

$117

Round trip

June 23 - June 26

Cheapest

Best

Earliest

SOF - Istanbul

$234

$117

Round trip

December 5 - December 18

Cheapest

SOF - Istanbul

$137

$117

Round trip

June 25 - June 26

SOF - Istanbul

$223

$120

Round trip

December 16 - December 18

SOF - Istanbul

$150

$121

Round trip

December 15 - December 18

SOF - Istanbul

$146

$121

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Sofia to Istanbul

Fares for flights from Sofia to Istanbul typically range from $124–$239, with a median price of $162. Right now, current fares are above the typical level, and about 7% of recent fares were classified as a good price. New deals appear almost daily for this route.

When considering cheap flights from Sofia to Istanbul, the most affordable month to fly is October, with a median fare of $120. Other cost-effective options include June, where the median fare is $149, and January, with a median fare of $154.

A typical journey from Sofia to Istanbul takes about 6h 50m, including connections. This duration accounts for both direct and connecting itineraries on the route.

The distance between Sofia and Istanbul is 469 kilometers, which classifies this as a short-haul route. For this route, a meaningful share of itineraries are non-stop, while the rest typically connect once.

How much is a round trip from Sofia to Istanbul

Regular price: $165 - $554

Prices for flights from Sofia to Istanbul are currently below the regular range.

The regular price range for this route is between 165 USD and 554 USD. The current lowest deal is 117 USD with Pegasus Airlines, for travel from June 24 to June 26.

now $117

Low $165

High $554

The cheapest time to fly from Sofia to Istanbul

The cheapest month to fly from Sofia to Istanbul is October, with a median price of 120 USD. The most expensive month is December, with a median price of 271 USD. Prices are generally lower from January to October.

October

Cheapest

Flights from $120

December

Most Expensive

Flights from $271

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Sofia to Istanbul

Pegasus Airlines

Turkish Airlines

Last-minute flights going from Sofia to Istanbul

Fri, Jun 19

⌛ Last-Minute

SOF - Istanbul

Sofia (SOF) - Istanbul (SAW)

Pegasus Airlines

$217

$115

One-way

Fri, Jun 19

⌛ Last-Minute

SOF - Istanbul

Sofia (SOF) - Istanbul (IST)

$368

$188

One-way

Sat, Jun 20

⌛ Last-Minute

SOF - Istanbul

Sofia (SOF) - Istanbul (SAW)

Pegasus Airlines

$217

$115

One-way

Sat, Jun 20

⌛ Last-Minute

SOF - Istanbul

Sofia (SOF) - Istanbul (SAW)

Pegasus Airlines

$217

$125

One-way

Sat, Jun 20

⌛ Last-Minute

SOF - Istanbul

Sofia (SOF) - Istanbul (SAW)

Pegasus Airlines

$229

$126

One-way

Sun, Jun 21

⌛ Last-Minute

SOF - Istanbul

Sofia (SOF) - Istanbul (SAW)

Pegasus Airlines

$247

$122

One-way

Biggest price drops on these dates for flights from Sofia to Istanbul

2 nights

Jun 19 - Jun 21

$368 → $188

49%

2 nights

Jun 22 - Jun 24

$247 → $116

53%

2 nights

Jun 21 - Jun 23

$247 → $122

51%

2 nights

Jun 23 - Jun 25

$236 → $114

52%

Popular Airports to fly from Sofia to Istanbul

Sofia - Istanbul route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares are at $117, which is above the typical level compared to the historical median of $162.

📅 Best time to fly

October is historically the cheapest month to fly.

Historically, October is the cheapest month to fly, with a median price of $120.

⏱️ Flight duration

Direct flights take 1h 20m.

The median flight time for this route is 6h 50m, with 40.2% of recent deals being direct.

✈️ Airlines & availability

Frequent deals are available on this route.

Deals for flights from Sofia to Istanbul appear frequently, with about 1 deals per day.

🏆 Airline highlight

Pegasus Airlines offers competitive direct flights.

Pegasus Airlines has offered direct flights on this route, with a recent deal at $117.

🎯 Booking tip

Consider booking in October for better prices.

Historically, October offers the lowest median prices for flights from Sofia to Istanbul.

Sofia main airports to depart from

Sofia (SOF)

Cheapest

Sofia Airport is a convenient departure point for flights to Istanbul, offering competitive prices.

📍 ~8 km from city center (reachable by car or metro)

💸 Flights from ~$114

Istanbul main airports to arrive at

Sabiha Gökçen International (SAW)

Cheapest

Sabiha Gökçen International Airport is a good option for flights to Istanbul, offering potentially lower fares.

📍 ~30 km from city center (reachable by car)

💸 Flights from ~$114

Istanbul Airport (IST)

Istanbul Airport is a primary gateway for travelers flying to Istanbul.

📍 ~35 km from city center (reachable by car)

💸 Flights from ~$117

Airports nearby Istanbul used as alternative

Esenboğa International (ESB)

Consider Esenboğa International as a major international hub with high flight frequency.

📍 ~350 km from Istanbul (requires domestic flight or high-speed train).

💸 Flights from ~$170

Adnan Menderes (ADB)

Adnan Menderes is a reliable alternative with extensive European connections for Western-bound international flights.

📍 ~300 km from Istanbul (usually requires a separate domestic leg).

💸 Flights from ~$168

Tekirdağ Çorlu (TEQ)

Tekirdağ Çorlu is the geographically closest airport, accessible by road from the European side.

📍 ~100 km from Istanbul (accessible by road).

💸 Flights from ~$289

Yenişehir (YEI)

Yenişehir offers proximity to the southern Marmara region and Istanbul's Asian side.

📍 ~130 km from Istanbul (accessible via Osmangazi Bridge or ferry).

💸 Flights from ~$344

Burgas (BOJ)

Cheapest

Burgas is the closest international airport outside of Turkey, useful for travelers with appropriate documents.

📍 ~200 km from Istanbul (requires international land border crossing).

💸 Flights from ~$126

Business & First Class Flight Deals to Istanbul

Istanbul, Turkey

41% AI deal score

$1,180

Frequently Asked Questions About Flights to Istanbul

Historically, booking flights from Sofia to Istanbul between 28 and 59 days in advance typically yields the best prices. During this period, the average price is around $153. Prices tend to increase significantly for bookings made closer to the departure date, with flights booked 0-6 days out averaging $312. Even booking more than 60 days in advance can result in higher prices, averaging $235.

Across the trailing quarter, a flight from Sofia to Istanbul is considered a good deal if it is priced at or below $124. The median price for this route during the same period was $162. Prices can go up to $239 or more for the higher end of the market. Aiming for prices at or below the $124 threshold will help ensure you are getting a competitive fare.

Historically, October has offered the cheapest flights from Sofia to Istanbul, with a median price of $120. June also presents a good value, with a median price of $149. The annual median price for this route is $162. While January is listed as the most expensive month with a median of $154, it still offers prices close to the annual median.

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