Explore the cheapest one-way and round-trip flights from Istanbul to Sofia Airport over the next 90 days, with one-way fares from QAR 143 and round-trip from QAR 314. Based on Trip.com's latest 7-day flight data.

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.

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Sofia weather alert update for November 12, 2026: No active weather alert details have been reported.

Trip.com Price Insights: Flights from Istanbul to Sofia Airport

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

The data is based on the past 12 months and shows the average one-way ticket prices from Istanbul to Sofia Airport for each month in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest month to fly one-way from Istanbul to Sofia Airport is December, with an average price of QAR 381. The priciest month is usually September, when the average price can reach QAR 527.

QAR 527
QAR 454
QAR 381
QAR 308
    Cheapest
  • QAR 452
    Nov
  • QAR 381
    Dec
  • QAR 427
    Jan
  • QAR 475
    Feb
  • QAR 445
    Mar
  • QAR 455
    Apr
  • QAR 442
    May
  • QAR 513
    Jun
  • QAR 418
    Jul
  • QAR 449
    Aug
  • QAR 527
    Sep
  • QAR 441
    Oct

What’s the cheapest month to fly round-trip from Istanbul to Sofia Airport?

The data is based on the past 12 months and shows the average monthly round-trip fares from Istanbul to Sofia Airport in the Trip.com database.

Based on Trip.com’s data from the past 12 months, December is typically the cheapest month to find flights from Istanbul to Sofia Airport, with an average price of QAR 796. In contrast, February is usually the most expensive month, with average fares reaching QAR 1,467.

QAR 1,467
QAR 1,132
QAR 796
QAR 461
    Cheapest
  • QAR 991
    Nov
  • QAR 796
    Dec
  • QAR 1,020
    Jan
  • QAR 1,467
    Feb
  • QAR 972
    Mar
  • QAR 966
    Apr
  • QAR 859
    May
  • QAR 945
    Jun
  • QAR 880
    Jul
  • QAR 1,101
    Aug
  • QAR 836
    Sep
  • QAR 1,015
    Oct

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

The data is based on the past 12 months and shows the average ticket prices from Istanbul to Sofia Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Istanbul to Sofia Airport is Friday, with average fares generally lower than other days. You’ll want to avoid flying on Thursday, as ticket prices are usually the highest that day.

QAR 471
QAR 444
QAR 416
QAR 389
    Cheapest
  • QAR 461
    Mon
  • QAR 446
    Tue
  • QAR 459
    Wed
  • QAR 471
    Thu
  • QAR 416
    Fri
  • QAR 457
    Sat
  • QAR 464
    Sun

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

Turkish Airlines logo Turkish Airlines
Pegasus Airlines logo Pegasus Airlines

Flight Schedule from Istanbul to Sofia Airport

Flight info.
Departure
Arrival
Weekly Schedule
  1. PC271

    11:55 AM

    SAW

    1h 20m

    1:15 PM

    SOF

    S M T W T F S
    Search
  2. PC273

    6:05 PM

    SAW

    1h 20m

    6:25 PM

    SOF

    - M - - T - -
    Search
Find more flights and airlines

What to know about flights from Istanbul to Sofia Airport?

Cheapest round-trip ticket price QAR 314
Cheapest one-way flight price QAR 143
Off-season for travel November
Peak season for travel August

FAQs for Istanbul to Sofia Airport Flights

  • When are flight tickets from Istanbul (IST) to Sofia (SOF) the cheapest?

    Airlines adjust prices for flights from Istanbul to Sofia based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • According to Trip.com's data, the lowest price is around QAR 1,325.
  • It takes around 1 hour 17 minutes to fly from Istanbul (IST) to Sofia (SOF).
    • The distance from Sofia Airport to downtown is about 7 km. It takes about 20 minutes by taxi.
  • Airlines with flights from Istanbul (IST) to Sofia (SOF): Pegasus Airlines, IndiGo, Sichuan Airlines, Turkish Airlines, Singapore Airlines, EgyptAir and Royal Jordanian.
  • One-way flights from Istanbul to Sofia Airport currently start from QAR 143, and round-trip fares start from QAR 314. The lowest fare is currently available on flights operated by Pegasus Airlines departing on Fri, Nov 20. Fares are subject to change based on availability.
  • Flights from Istanbul to Sofia Airport are usually cheapest in December, with an average one-way fare of about QAR 381.
  • A direct flight from Istanbul to Sofia Airport takes about 1 hour 17 minutes on average. Actual flight time may vary depending on the route, weather and air traffic.
  • Enter your Istanbul and Sofia Airport, select your departure date and number of passengers, then compare flights by price, flight duration and baggage allowance. Once you've chosen a fare, review the change and cancellation policy, fill in your passenger details and pay to receive your booking confirmation.
  • Yes. Turkish Airlines and Pegasus Airlines operate direct flights from Istanbul to Sofia Airport. The flight time is approximately 51 minutes, with about 32 flights per week. Actual flight frequency may vary by season.
  • The latest flight from Istanbul to Sofia Airport departs at 20:35, with approximately 6 flights per day. Flight schedules may change, so please check the latest departure times before traveling.
  • Sofia has 1 airports reachable by flights departing from Istanbul, including Sofia Airport. When choosing an airport, consider its distance to the city center and route coverage.

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, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, 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 26 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.