174K verified reviews | Excellent 4.4/5 rating on Trustpilot
Earn Trip Coins and airline miles, all in one booking
All-inclusive prices (incl. taxes, fuel, luggage) without hidden fees
Support 24/7, in 24+ languages

Flight Info of Flights from Istanbul Airport to Sofia

Cheapest one-way
€46
Turkish Airlines Turkish Airlines 1h 15m · Nonstop Thu, Dec 3
Select flight
Cheapest round-trip
€99
Turkish Airlines Turkish Airlines 1h 15m · Nonstop Tue, Dec 8 - Mon, Dec 14
Select flight
Flight news

A Foehn wind alert has been issued for Sofia on November 14, 2026. Stay updated on local weather developments as Foehn wind conditions affect the area.

Updated 14h ago

When to travel
December
Cheapest
August
Peak season for travel

Explore the cheapest one-way and round-trip flights from Istanbul Airport to Sofia over the next 90 days, with one-way fares from €46 and round-trip from €99. Based on Trip.com's latest 7-day flight data.

Book flights to China and enjoy exclusive perks!View details

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.

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

See which airlines fly from Istanbul Airport to Sofia. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

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

What’s the cheapest month to book a round-trip flight from Istanbul Airport to Sofia?

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

Based on Trip.com’s data from the past 12 months, December is usually the cheapest month to find flights from Istanbul Airport to Sofia, with an average price of €198. In contrast, February is typically the most expensive month, with average fares reaching €365.

€365
€282
€198
€115
    Cheapest
  • €247
    Nov
  • €198
    Dec
  • €323
    Jan
  • €365
    Feb
  • €289
    Mar
  • €265
    Apr
  • €210
    May
  • €282
    Jun
  • €274
    Jul
  • €332
    Aug
  • €334
    Sep
  • €295
    Oct

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

Data is based on average one-way flight prices from Istanbul Airport to Sofia in Trip.com's database over the past 12 months.

According to Trip.com's data from the past 12 months, the cheapest month for one-way flights from Istanbul Airport to Sofia is December, with an average price of €115. In contrast, the most expensive month is usually February, with an average price of €178.

€178
€147
€115
€84
    Cheapest
  • €128
    Nov
  • €115
    Dec
  • €167
    Jan
  • €178
    Feb
  • €144
    Mar
  • €164
    Apr
  • €130
    May
  • €159
    Jun
  • €126
    Jul
  • €136
    Aug
  • €163
    Sep
  • €128
    Oct

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

The data is based on the past 12 months and shows the average ticket prices from Istanbul Airport to Sofia 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 Airport to Sofia is Friday, with average fares usually lower than on other days. Avoid flying on Monday, as ticket prices are typically highest that day.

€159
€145
€130
€116
    Cheapest
  • €159
    Mon
  • €138
    Tue
  • €139
    Wed
  • €151
    Thu
  • €130
    Fri
  • €149
    Sat
  • €132
    Sun

Flight Schedule from Istanbul Airport to Sofia

Check the schedule for flights from Istanbul Airport to Sofia and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule
  1. TK1031

    2:55 PM

    IST

    1h 15m

    3:10 PM

    SOF

    S M T W T F S
    Search
  2. TK1127

    10:30 AM

    IST

    1h 20m

    10:50 AM

    SOF

    - - - - T - S
    Search
  3. TK1027

    8:20 AM

    IST

    1h 20m

    8:40 AM

    SOF

    S M T W T F S
    Search
  4. TK1029

    8:35 PM

    IST

    1h 20m

    8:55 PM

    SOF

    S M T W T F S
    Search
  5. W62430

    9:55 AM

    IST

    2h 5m

    Nonstop

    10:00 AM

    BUD

    S M T W T F S
    Search
  6. W64350

    1:55 PM

    BUD

    1h 20m

    Nonstop

    4:15 PM

    SOF

    S - - - T F S
Find more flights and airlines

FAQs for Istanbul Airport to Sofia Flights

  • When is peak season for travel to Sofia?

    ؜The peak travel time for visiting Sofia is December. During this time, flights from Istanbul Airport to Sofia are the most expensive. Cheap tickets can still be booked on Trip.com.
  • Flights from Istanbul Airport (IST) to Sofia Airport (SOF) take around 1 hour 15 minutes.
  • Turkish Airlines is a very popular airline operating an average of 4184 flights per month.
  • The earliest flight departs from Istanbul Airport (IST) at 07:20 and arrives in Sofia (SOF) at 08:35.
  • The latest flight departs from Istanbul Airport (IST) at 19:00 and arrives in Sofia (SOF) at 20:25.
    • The distance from Sofia Airport to downtown is about 7 km. It takes about 20 minutes by taxi.
  • Yes. Turkish Airlines operate direct flights from Istanbul Airport to Sofia. The average flight time is approximately 55 minutes, with about 3 flights per week. Actual schedules may vary by season.
  • The cheapest one-way flight from Istanbul Airport to Sofia currently starts from €46, with round-trip fares from €99. The lowest fare is offered by Turkish Airlines departing on Thu, Dec 3; prices are subject to availability.
  • Yes. The average flight time from Istanbul Airport to Sofia is about 1 hour 18 minutes. Actual flight time may vary due to routing, weather, and air traffic.
  • Currently, multiple airlines offer flights from Istanbul Airport to Sofia, including: Turkish Airlines SKY express AEGEAN Pegasus Airlines The selected airlines are based on Trip.com user booking data from the past 90 days.
  • Based on Trip.com flight data for departures within the next 30 days, the average one-way fare from Istanbul Airport to Sofia is €214, and the average round-trip fare is €253. Prices may vary depending on the departure date, airline, and availability.
  • Flights from Istanbul Airport to Sofia are usually cheapest in December, with an average one-way fare of about €214. Prices may vary depending on the departure date, airline, and availability.
  • The earliest flight from Istanbul Airport to Sofia departs at 08:20, and the latest one departs at 20:35. There are approximately 3 flights per day. Flight times may change, so please check the latest departure and arrival times before your trip.
  • Flights from Istanbul Airport to Sofia usually arrive at Sofia Airport. Sofia Airport is the most convenient option for this route.
  • IndiGo are the most popular budget airlines flying from Istanbul Airport to Sofia. Basic fares start from €46. Before comparing final prices, watch out for baggage, seat selection, and payment surcharges.

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 25 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.