What to know about flights from Sofia to Istanbul?

The distance between Sofia and Istanbul is approximately 494.78 km. The average flight time between Sofia and Istanbul is 1 hour 27 minutes. According to Trip.com data, travel demand is highest in September. May is generally the cheapest month to book.

Cheapest one-way
RUB 3,711
Pegasus Airlines Pegasus Airlines SOF-IST 1h 15m · Direct Thu, Nov 26
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Cheapest return
RUB 7,248
Pegasus Airlines Pegasus Airlines SOF-IST 1h 15m · Direct Thu, Dec 17 - Mon, Dec 21
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Best time to book
May
Cheapest
September
Peak season for travel
Route details
494.78 km
Flight distance
1h 27m
Average flight time

Explore the cheapest one-way and round-trip flights from Sofia to Istanbul over the next 90 days, with one-way fares from RUB 3,711 and round-trip from RUB 7,248. Based on Trip.com's latest 7-day flight data.

Displayed flight fares from Sofia to Istanbul are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airlines are the most popular for Sofia to Istanbul flights?

You can choose from 1 airlines flying from Sofia to Istanbul, including Pegasus Airlines, and . Pegasus Airlines currently offers the cheapest direct ticket on this route.
Pegasus Airlines logo Pegasus Airlines
Airlines are determined based on actual purchased flight tickets from Sofia to Istanbul according to previous 12 months data from Trip.com.

Trip.com Price Insights on Sofia to Istanbul Flights

What is the cheapest month to book a one-way flight from Sofia to Istanbul?

Average price of one-way tickets from Sofia to Istanbul booked on Trip.com over the past 12 months.

For a one-way flight from Sofia to Istanbul, fares are lowest in May (RUB 8,880) and highest in March (RUB 13,826).

RUB 13,826
RUB 11,353
RUB 8,880
RUB 6,407
    Cheapest
  • RUB 10,707
    Nov
  • RUB 11,026
    Dec
  • RUB 11,283
    Jan
  • RUB 9,383
    Feb
  • RUB 13,826
    Mar
  • RUB 9,407
    Apr
  • RUB 8,880
    May
  • RUB 9,181
    Jun
  • RUB 9,824
    Jul
  • RUB 11,420
    Aug
  • RUB 10,954
    Sep
  • RUB 11,199
    Oct

What is the cheapest month to book a return flight from Sofia to Istanbul?

Average price of return tickets from Sofia to Istanbul booked on Trip.com over the past 12 months.

For a return flight from Sofia to Istanbul, fares are lowest in November (RUB 15,903) and highest in September (RUB 36,298).

RUB 36,298
RUB 26,101
RUB 15,903
RUB 5,706
  • RUB 15,903
    Nov
  • RUB 27,345
    Dec
  • RUB 32,458
    Jan
  • RUB 18,938
    Feb
  • RUB 16,765
    Mar
  • RUB 20,490
    Apr
  • RUB 16,981
    May
  • RUB 21,680
    Jun
  • RUB 21,312
    Jul
  • RUB 27,162
    Aug
  • RUB 36,298
    Sep
  • RUB 23,858
    Oct

Which day of the week is cheapest to fly from Sofia to Istanbul?

Data is based on the past 12 months and shows the average weekly airfare from Sofia to Istanbul on different days of the week according to Trip.com.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Sofia to Istanbul is Friday. The average fare on this day is usually lower than on other days. Try to avoid flying on Monday as fares are usually the highest.

RUB 13,088
RUB 11,077
RUB 9,066
RUB 7,055
    Cheapest
  • RUB 13,088
    Mon
  • RUB 10,560
    Tue
  • RUB 10,376
    Wed
  • RUB 10,408
    Thu
  • RUB 9,066
    Fri
  • RUB 10,251
    Sat
  • RUB 9,944
    Sun

Flight FAQs

  • What are the cheapest flights from Sofia to Istanbul (SOF-IST)?

    Based on Trip.com data, Pegasus Airlines offers one-way fares as low as RUB 3,798 on Cheapest nonstop routes (e.g. SOF to SAW on Sun, Dec 6), while Pegasus Airlines offers Cheapest nonstop round-trips from RUB 7,248 departing on Thu, Dec 17 and returning on Mon, Dec 21.
  • At the moment, you can catch a nonstop flight from Sofia to Istanbul with the following airlines, including: Pegasus Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 1 hour 27 minutes to fly from Sofia (SOF) to Istanbul (IST).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sofia to Istanbul is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 32 flight per week flying from Sofia to Istanbul. You can check the weekly schedule for popular airlines on this route below: Pegasus Airlines: S/M/T/W/T/F/S -- PC272 (14:21)
  • To find best deals on flights from Sofia to Istanbul, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Dec 6, with one-way flights priced at just RUB 3,798.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Pegasus Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Istanbul travel is around September.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Sofia to Istanbul is May, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Sofia to Istanbul on Tue, Nov 24 with Pegasus Airlines, with prices starting at RUB 3,810.
  • You can arrive at any of the following airports in Istanbul: Ataturk Airport (ISL), Istanbul Airport (IST), and Sabiha Gökçen International Airport (SAW). Flights from Sofia Airport to Sabiha Gökçen International Airport (SOF-SAW) are by far the most popular option for this route.
  • The time difference between Istanbul and Sofia is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Sofia to Istanbul is RUB 17,974. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Sofia to Istanbul is RUB 15,761. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Sofia and Istanbul, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
  • Pegasus Airlinesare the most popular budget airlines flying from Sofia to Istanbul. Check baggage, seat and payment fees before comparing the final price.

Trip.com airline insights on flights from Sofia to Istanbul

Which airlines offer the cheapest direct flights from Sofia to Istanbul?

Data is based on the past 12 months and reflects the average fare of all direct flights from Sofia to Istanbul on Trip.com.

Based on Trip.com data from the past 12 months, the airline offering the cheapest direct flights from Sofia to Istanbul is Pegasus Airlines, with an average fare of RUB 7,644.

RUB 3,967
RUB 7,644
RUB 11,322
RUB 15,000
RUB 18,677
Pegasus Airlines
RUB 7,644
Pegasus Airlines
AEGEAN
RUB 9,883
AEGEAN
Tarom
RUB 15,721
Tarom
Turkish Airlines
RUB 16,141
Turkish Airlines
Air Serbia
RUB 18,677
Air Serbia

Which airlines operate the most flights from Sofia to Istanbul?

The data is based on the past month and shows the number of flights each airline has from Sofia to Istanbul on Trip.com.

According to Trip.com data from the past month, the airline with the most flights from Sofia to Istanbul is Turkish Airlines, operating 26 flights per week.

0
8
17
26
Turkish Airlines
26
Turkish Airlines
IndiGo
23
IndiGo
Pegasus Airlines
9
Pegasus Airlines
Singapore Airlines
8
Singapore Airlines
Royal Jordanian
8
Royal Jordanian
EgyptAir
8
EgyptAir

How many flights fly from Sofia to Istanbul each day?

The data is based on the past month and shows the number of flights per day of the week from Sofia to Istanbul on Trip.com.

Based on Trip.com data from the past month, flights from Sofia to Istanbul are most frequent on Friday, while the fewest flights operate on Wednesday.

57
48
38
29
Highest
40
Mon
41
Tue
38
Wed
41
Thu
57
Fri
50
Sat
55
Sun