SOF - IST

$60 Find Cheap Flights from Sofia to Istanbul - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$150
Typical prices: $197-$303
Turkish Airlines
Tue 11/6Thu 11/8
SOF - IST • Non-stop
Cheapest non-stop
$153
Typical prices: $197-$304
Turkish Airlines
Fri 11/23Fri 11/30
SOF - IST • Non-stop
Nonstop flights
You can fly direct with Turkish Airlines. Average duration is 1h 30m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 90% on-time
Best time • Fewest delays
Insights
Insights
When to travel
Cheapest • 27% price drop
Most popular
Good to know
+1
Good to know
+1
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We hope you love your trip to Istanbul Airport!

Cheap Flights from Sofia to Istanbul (SOF-IST)

 

Cheap flights from Sofia to Istanbul with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Fri, Nov 6 - Sun, Nov 8
Multiple Airlines Logo
9:30 am - 12:00 pmSOF  Sofia-IST Istanbul
1h 30mnonstop
Multiple Airlines Logo
7:40 pm - 3:30 pmIST  Istanbul-SOF Sofia
20h 50m1 stop Chișinău Intl
$150Multiple Airlines
Sat, Feb 27 - Tue, Mar 2
Multiple Airlines Logo
7:10 am - 5:10 pmSOF  Sofia-IST Istanbul
9h 00m1 stop Budapest Ferenc Liszt Intl
Multiple Airlines Logo
8:30 pm - 8:50 pmIST  Istanbul-SOF Sofia
1h 20mnonstop
$150Multiple Airlines
Mon, Nov 23 - Mon, Nov 30
Turkish Airlines Logo
4:00 pm - 6:30 pmSOF  Sofia-IST Istanbul
1h 30mnonstop
Turkish Airlines Logo
8:20 am - 8:40 amIST  Istanbul-SOF Sofia
1h 20mnonstop
$153Turkish Airlines
Mon, Feb 8 - Wed, Feb 10
Turkish Airlines Logo
4:00 pm - 6:30 pmSOF  Sofia-IST Istanbul
1h 30mnonstop
Turkish Airlines Logo
8:30 pm - 8:50 pmIST  Istanbul-SOF Sofia
1h 20mnonstop
$153Turkish Airlines
Fri, Nov 6 - Mon, Nov 9
Turkish Airlines Logo
11:55 am - 2:20 pmSOF  Sofia-IST Istanbul
1h 25mnonstop
Turkish Airlines Logo
2:55 pm - 3:10 pmIST  Istanbul-SOF Sofia
1h 15mnonstop
$153Turkish Airlines
Fri, Nov 6 - Sun, Nov 8
Turkish Airlines Logo
11:55 am - 2:20 pmSOF  Sofia-IST Istanbul
1h 25mnonstop
Turkish Airlines Logo
2:55 pm - 3:10 pmIST  Istanbul-SOF Sofia
1h 15mnonstop
$154Turkish Airlines
Mon, Nov 2 - Fri, Nov 6
Turkish Airlines Logo
4:00 pm - 6:30 pmSOF  Sofia-IST Istanbul
1h 30mnonstop
Turkish Airlines Logo
8:30 pm - 8:50 pmIST  Istanbul-SOF Sofia
1h 20mnonstop
$154Turkish Airlines
Sun, Nov 22 - Thu, Nov 26
Turkish Airlines Logo
9:40 pm - 12:10 amSOF  Sofia-IST Istanbul
1h 30mnonstop
Turkish Airlines Logo
8:30 pm - 8:50 pmIST  Istanbul-SOF Sofia
1h 20mnonstop
$154Turkish Airlines
Thu, Dec 3 - Sun, Dec 6
Turkish Airlines Logo
4:00 pm - 6:30 pmSOF  Sofia-IST Istanbul
1h 30mnonstop
Turkish Airlines Logo
8:30 pm - 8:50 pmIST  Istanbul-SOF Sofia
1h 20mnonstop
$154Turkish Airlines
Fri, Nov 6 - Mon, Nov 9
Turkish Airlines Logo
9:30 am - 12:00 pmSOF  Sofia-IST Istanbul
1h 30mnonstop
Turkish Airlines Logo
2:55 pm - 3:10 pmIST  Istanbul-SOF Sofia
1h 15mnonstop
$154Turkish Airlines

Price, demand and travel trends for Sofia to Istanbul Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Sofia to Istanbul Airport. It’s 13% cheaper than the average day, while Saturday is the most expensive, with prices 26% higher.

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

•March is the cheapest month to fly from Sofia to Istanbul Airport at $177 round-trip.
•September ($305) and February ($282) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 72% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Key details for Sofia to Istanbul Airport flights

Low season

February

Cheapest flight

$60
Beat the crowds with an average 56% drop in travelers.
The most popular month to fly with an average 43% increase in travelers.
One-way flight from Sofia to Istanbul Airport

When to book flights from Sofia to Istanbul

Are your dates flexible? Find out the best times to travel from Sofia to Istanbul based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Sofia to Istanbul Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Sofia to Istanbul Airport?

    These are the earliest and latest flight times available from Sofia to Istanbul Airport:

    • Earliest: departs at 9:30 am and lands at 11:00 am
    • Latest: departs at 9:40 pm and lands at 11:10 pm.

    The flight takes about 1h 30m.

  • What cabin classes can I book on flights from Sofia to Istanbul Airport?

    Two cabin classes are available on flights from Sofia to Istanbul Airport:

    • Economy Class
    • Business Class

  • How long is a flight from Sofia to Istanbul Airport?

    A nonstop flight from Sofia to Istanbul Airport takes 1h 30m, covering 291 miles.

  • Do I need a passport to fly from Sofia to Istanbul Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Sofia to Istanbul Airport flight?

    Round-trip flights from Sofia to Istanbul Airport range from $197 to $303, with an average of $241 over the past 12 months. Anything below $197 counts as a good deal.

  • How much can I save by taking a layover when flying from Sofia to Istanbul Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $218 round-trip via Belgrade Nikola Tesla (BEG), compared to $242 for nonstop.

  • How does on-time performance compare across airlines flying from Sofia to Istanbul Airport?

    Turkish Airlines is the only airline operating Sofia to Istanbul Airport flights. 90% of its flights are on time.

  • What is the standard checked-bag allowance on flights from Sofia to Istanbul Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $34–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Sofia to Istanbul Airport?

    The Airbus A321 (sharklets) family is used most often on this route, operated mainly by Turkish Airlines. Other aircraft seen on the route include Airbus A321neo variants.

  • How are flight departures from Sofia to Istanbul Airport spread across the day?

    Morning is the busiest departure period on Sofia to Istanbul Airport flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, night flights for 33%, and evening flights for 0%.

  • Have flight prices from Sofia to Istanbul Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $150 to $1,020. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Sofia to Istanbul Airport looking right now?

    One-way fares from Sofia to Istanbul Airport are currently lower than usual. Average one-way flight prices are about $71, which is 55% below the typical average for this route.

  • What car rental options are available at Istanbul Airport (IST)?

    Istanbul Airport (IST) hosts 5 major car rental companies, with daily rates starting from around $10 for economy cars. Top options include:

    • CIRCULAR
    • Avec Car Rental
    • Ok Mobility
    • Alamo
    • Autounion Car Rental

  • Which airports can I use when flying from Sofia to Istanbul Airport?

    Flights from Sofia to Istanbul Airport usually depart from Sofia (SOF) and arrive at Istanbul (IST).

  • What time of day has the fewest delays on flights from Sofia to Istanbul Airport?

    Morning flights have the fewest delays on this route, while night departures tend to have the most.

  • At what point is a flight considered delayed from Sofia to Istanbul Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Sofia to Istanbul Airport route, 10% of flights were delayed in the past 3 months, with delays averaging 1h 45m.

  • Which airports do connecting flights from Sofia to Istanbul Airport pass through?

    Most connecting flights from Sofia to Istanbul Airport pass through Belgrade Nikola Tesla (BEG), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Sofia to Istanbul Airport?

    Yes. Flexible dates can save you up to 31% on flights from Sofia to Istanbul Airport. Thursday is the cheapest departure day at $211 round-trip on average, while Saturday is the most expensive at $305, a difference of $94.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Sofia to Istanbul Airport?

    Only Turkish Airlines operates flights between Sofia and Istanbul Airport.

  • What popular places can I visit in Istanbul Airport?

    Some of the most popular sights in Istanbul Airport are Taksim Square, Sultan Ahmet Camii and Ayasofya. These are among the most viewed places in Istanbul Airport on KAYAK.

  • Which airlines include bags at no extra cost on Sofia to Istanbul Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Turkish Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Sofia to Istanbul Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Saturday. On this route, Thursday flights average $211, about $94 less than Saturday fares (31% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Sofia to Istanbul Airport trip for March. Fares historically average $177 round-trip in that month - typically $128 less than the most expensive month, which is September (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Belgrade Nikola Tesla Airport (BEG) can be cheaper than flying direct. The cheapest layover option averages $218 round-trip on this route - about $24 less than direct flights (based on the last 12 months).

Prefer to fly direct from Sofia to Istanbul?

 
Find which airlines fly direct from Sofia Airport to Istanbul Airport, which days they fly and book direct flights.

Direct departures

Sofia to Istanbul

Monday

Turkish Airlines

Turkish Airlines

Tuesday

Turkish Airlines

Turkish Airlines

Wednesday

Turkish Airlines

Turkish Airlines

Thursday

Turkish Airlines

Turkish Airlines

Friday

Turkish Airlines

Turkish Airlines

Saturday

Turkish Airlines

Turkish Airlines

Sunday

Turkish Airlines

Turkish Airlines

See more direct flights

Direct returns

Istanbul to Sofia

Monday

Turkish Airlines

Turkish Airlines

Tuesday

Turkish Airlines

Turkish Airlines

Wednesday

Turkish Airlines

Turkish Airlines

Thursday

Turkish Airlines

Turkish Airlines

Friday

Turkish Airlines

Turkish Airlines

Saturday

Turkish Airlines

Turkish Airlines

Sunday

Turkish Airlines

Turkish Airlines

See more direct flights

More options for your flight from Sofia to Istanbul

Complete your trip to Istanbul with a hotel stay or car rental