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Cheap flights from Istanbul to Sofia

One-way from €47, found by travellers in the last 7 days. Aviasales checks the live price.

Prices for nearby dates

Sat, Oct 31€57 Sun, Nov 1€64 Mon, Nov 2€84 Tue, Nov 3€47 Wed, Nov 4€56 Thu, Nov 5€54 Fri, Nov 6€56 Sat, Nov 7€56

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest

€47

Pegasus Airlines, flight PC 273Found 3 days ago, 1 adult

Check price on Aviasales

14:05IstanbulTue, Nov 3

Travel time 1h 20m, nonstopSAWSOF

14:25SofiaTue, Nov 3

€47

Pegasus Airlines, flight PC 271Found 3 days ago, 1 adult

Check price on Aviasales

11:40IstanbulSun, Nov 29

Travel time 1h 20m, nonstopSAWSOF

12:00SofiaSun, Nov 29

€48

Pegasus Airlines, flight PC 271Found yesterday, 1 adult

Check price on Aviasales

11:40IstanbulSun, Oct 25

Travel time 1h 20m, nonstopSAWSOF

12:00SofiaSun, Oct 25

€50

Pegasus Airlines, flight PC 271Found 6 days ago, 1 adult

Check price on Aviasales

11:40IstanbulThu, Dec 10

Travel time 1h 20m, nonstopSAWSOF

12:00SofiaThu, Dec 10

€50

Pegasus Airlines, flight PC 271Found 7 days ago, 1 adult

Check price on Aviasales

11:40IstanbulMon, Jan 18

Travel time 1h 20m, nonstopSAWSOF

12:00SofiaMon, Jan 18

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

Mobile data in BulgariaTravel eSIM from $4, installed before you fly.
Compare plans
Getting from the airportTransfers and car hire in Sofia, booked ahead at a fixed price.
See options
Things to do in SofiaPopular tours from $21.79 per person.
See ideas
Travel insuranceTravel insurance quotes for Bulgaria from EKTA; check what each policy covers.
Get a quote
Flight delayed?Arrived 3+ hours late, cancelled at short notice or bumped? Up to €250 per person under Turkey’s rules.
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Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

November 2026

December 2026

MoTuWeThFrSaSu1€51 2€51345678910111213141516171819202122232425262728293031

€53 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 3, €47.

Lowest fares by month

In the fares found this week, November has the lowest: from €47 one-way, against €107 in May 2027. Pick a month to see its cheapest date.

Show as a table

Month	Cheapest one-way	Date	Stops
October	€48	Sun, Oct 25	Nonstop
November	€47	Tue, Nov 3	Nonstop
December	€50	Thu, Dec 10	Nonstop
January 2027	€50	Mon, Jan 18	Nonstop
February 2027	€53	Sun, Feb 7	Nonstop
March 2027	€55	Sat, Mar 13	Nonstop
April 2027	€91	Thu, Apr 1	1 stop
May 2027	€107	Sun, May 9	1 stop
June 2027	—
July 2027	—
August 2027	—
September 2027	€94	Sat, Sep 25	1 stop

Questions travellers ask

What is the cheapest month to fly from Istanbul to Sofia?

In the fares found this week, November has the lowest: from €47 one-way, against €107 in May 2027.

Are there direct flights from Istanbul to Sofia?

Yes. Recent fares include nonstop flights with Pegasus Airlines and Turkish Airlines.

How long is the flight from Istanbul to Sofia?

A nonstop flight takes about 1h 15m. The distance is 527 km.

Which day of the week is cheapest to fly?

In the fares we have, Friday departures are the cheapest, with a typical lowest fare of €54. Monday is the priciest at about €68.

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