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Low Price Flights from Istanbul to Sofia

Find Cheapest Airlines Flying from Istanbul to Sofia

Choose from 1 carriers that fly from Istanbul to Sofia, including Turkish Airlines, Enjoy the cheapest tickets on this route with Pegasus Airlines.
Turkish Airlines logo Turkish Airlines
Airlines are determined based on actual purchased flight tickets from Istanbul to Sofia according to previous 12 months data from Trip.com.

Explore the cheapest flights from Istanbul to Sofia in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at IDR 766,300, and round-trip direct tickets start at IDR 1,771,900.

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

Istanbul to Sofia Flight Details

The distance between Istanbul and Sofia is approximately 494.78km. It takes around 1 hour 17 minutes on average to fly from Istanbul to Sofia. Based on Trip.com's data travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight priceIDR 766,300
Cheapest return ticket priceIDR 1,771,900
Off-season for travelOctober
Peak season for travelJanuary
Flight distance494.78km
Average flight time1 hour 17 minutes
Popular airlineTurkish Airlines
Flight statistics for the Istanbul–Sofia route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Istanbul to Sofia

What is the cheapest month for one-way flights from to Sofia?

Average price of one-way flights from to Sofia purchased by Trip.com users by month over the past 12 months.

According to Trip.com's data, the cheapest month for flights from to Sofia is July, with an average price of IDR 1,604,000. Conversely, the most expensive month is typically May, with an average price of up to IDR 2,529,400.

IDR 2,529,400
IDR 2,066,700
IDR 1,604,000
IDR 1,141,300
    Cheapest
  • IDR 2,170,300
    Apr
  • IDR 2,529,400
    May
  • IDR 2,130,400
    Jun
  • IDR 1,604,000
    Jul
  • IDR 1,864,700
    Aug
  • IDR 1,629,700
    Sep
  • IDR 1,857,600
    Oct
  • IDR 2,232,400
    Nov
  • IDR 1,752,100
    Dec
  • IDR 1,964,900
    Jan
  • IDR 2,186,800
    Feb
  • IDR 2,047,300
    Mar

What is the cheapest month for round-trip flights from to Sofia?

Average price of round-trip flights from to Sofia purchased by Trip.com users by month over the past 12 months.

According to historical data from Trip.com, the lowest prices for flights from to Sofia are found during May, with an average price of IDR 2,532,100. Conversely, the highest prices are found during February, with an average price of up to IDR 6,763,000.

IDR 6,763,000
IDR 4,647,550
IDR 2,532,100
IDR 416,650
    Cheapest
  • IDR 4,020,800
    Apr
  • IDR 2,532,100
    May
  • IDR 4,314,600
    Jun
  • IDR 4,867,700
    Jul
  • IDR 5,185,000
    Aug
  • IDR 5,292,900
    Sep
  • IDR 3,263,500
    Oct
  • IDR 4,803,700
    Nov
  • IDR 3,667,000
    Dec
  • IDR 4,702,200
    Jan
  • IDR 6,763,000
    Feb
  • IDR 4,478,500
    Mar

What's the cheapest day to fly from to Sofia?

Data is based on the average flight price for each day of the week from to Sofia on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from to Sofia is Friday, with average prices lower than on other days. Avoid Monday, as prices are usually highest then.

IDR 2,155,900
IDR 1,880,550
IDR 1,605,200
IDR 1,329,850
    Cheapest
  • IDR 2,155,900
    Mon
  • IDR 1,988,100
    Tue
  • IDR 1,955,300
    Wed
  • IDR 1,945,700
    Thu
  • IDR 1,605,200
    Fri
  • IDR 2,077,200
    Sat
  • IDR 2,062,300
    Sun

When is the cheapest day to fly from Istanbul to Sofia during ANZAC Day Holiday?

Data is based on the lowest one-way fares from Istanbul to Sofia during ANZAC Day Holiday, sourced from the Trip.com database over the last 3 days.

ANZAC Day Holiday runs from Apr 25 to Apr 27. The cheapest flights from Istanbul to Sofia are available on Apr 25, with fares starting at IDR 1,046,000.

IDR 3,180,800
IDR 2,113,400
IDR 1,046,000
0
    Cheapest
  • IDR 3,180,800
    22
    Apr
  • IDR 1,522,400
    23
  • IDR 1,116,600
    24
  • IDR 1,046,000
    25
  • IDR 1,696,300
    26
  • IDR 2,318,800
    27
  • IDR 1,960,900
    28

Flight FAQs

  • Which airlines offer the cheapest flights from Istanbul (IST) to Sofia (SOF)?

    Based on Trip.com data, Pegasus Airlines offers one-way fares as low as IDR 766,300 on Cheapest nonstop routes (e.g. SAW to SOF on Wed, Jun 3), while Pegasus Airlines offers Cheapest nonstop round-trips from IDR 1,771,900 departing on Sun, May 10 and returning on Tue, May 12.
  • At the moment, you can catch a direct flight from Istanbul to Sofia with the following airlines, including: Turkish Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 1 hour 17 minutes to fly from Istanbul (IST) to Sofia (SOF).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Istanbul to Sofia 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 29 flight per week flying from Istanbul to Sofia. You can check the weekly schedule for popular airlines on this route below: Turkish Airlines: S/M/T/W/T/F/S -- TK1027 (07:44)
  • To find best deals on flights from Istanbul to Sofia, 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 Wed, Jun 3, with one-way flights priced at just IDR 766,300.
    · 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 Sofia travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Istanbul to Sofia is October, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Istanbul to Sofia on April 29, 2026 with Pegasus Airlines, with prices starting at IDR 1,817,300.
  • You can land at any one of the following hubs in Sofia, with Istanbul Airport to Sofia International Airport (IST-SOF) is by far the most common option on this route: Sofia International Airport (SOF).
  • The time difference between Sofia and Istanbul is 1h.
  • Tickets can only be changed or cancelled 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.

Trip.com Airline Insights on Flights from Istanbul toSofia

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

Data is based on the average price of all nonstop flights from Istanbul to Sofia on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, Pegasus Airlines offers the cheapest nonstop flights from Istanbul to Sofia, with an average price of IDR 1,381,200.

IDR 837,600
IDR 1,381,200
IDR 1,924,800
IDR 2,468,400
IDR 3,012,000
Pegasus Airlines
IDR 1,381,200
Pegasus Airlines
Air Serbia
IDR 2,853,200
Air Serbia
AEGEAN
IDR 2,994,300
AEGEAN
Turkish Airlines
IDR 3,012,000
Turkish Airlines

Which airlines operate the most flights from Istanbul to Sofia?

Data is based on the number of flights from Istanbul to Sofia operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, Turkish Airlines operates the most flights from Istanbul to Sofia, with 25 flight per week.

0
8
17
25
Turkish Airlines
25
Turkish Airlines
IndiGo
23
IndiGo
Pegasus Airlines
9
Pegasus Airlines
Singapore Airlines
8
Singapore Airlines
EgyptAir
8
EgyptAir
Royal Jordanian
8
Royal Jordanian

How many flights are there each day from Istanbul to Sofia?

The data is based on the flight numbers for each day of the week from Istanbul to Sofia within the Trip.com database over the past month.

Based on Trip.com data from the past month, the most flights from Istanbul to Sofia depart on Friday, and the fewest flights depart on Monday/Tuesday.

55
48
40
33
Highest
40
Mon
40
Tue
41
Wed
41
Thu
55
Fri
50
Sat
50
Sun

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, regulatory fees, etc) with all fees confirmed before payment. Fees for baggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.