IndiGo flights from Sofia (SOF) to Istanbul (IST).

FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Thu-Sun 15:50 Sofia (SOF) 2 17:20 Istanbul (IST) IndiGo 6E 4118 Non-stop Airbus A321 (32B) 1:30 Effective 2026-03-29 through 2026-10-24 Codeshare flight, operated by Turkish Airlines.(TK 1032)
Tue 15:50 Sofia (SOF) 2 17:20 Istanbul (IST) IndiGo 6E 4118 Non-stop Airbus A321neo (32Q) 1:30 Effective 2026-03-31 through 2026-10-20 Codeshare flight, operated by Turkish Airlines.(TK 1032)
Wed 15:50 Sofia (SOF) 2 17:20 Istanbul (IST) IndiGo 6E 4118 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-04-01 through 2026-10-21 Codeshare flight, operated by Turkish Airlines.(TK 1032)
Mon,Sun 16:00 Sofia (SOF) 2 18:30 Istanbul (IST) IndiGo 6E 4118 Non-stop Airbus A321 (321) 1:30 Valid until 2026-01-04 Codeshare flight, operated by Turkish Airlines.(TK 1032)
Wed,Thu 16:00 Sofia (SOF) 2 18:30 Istanbul (IST) IndiGo 6E 4118 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Valid until 2026-01-01 Codeshare flight, operated by Turkish Airlines.(TK 1032)
Mon-Wed,Fri 16:00 Sofia (SOF) 2 18:30 Istanbul (IST) IndiGo 6E 4118 Non-stop Airbus A321 (32B) 1:30 Effective 2026-01-02 through 2026-01-07 Codeshare flight, operated by Turkish Airlines.(TK 1032)
Sat 16:00 Sofia (SOF) 2 18:30 Istanbul (IST) IndiGo 6E 4118 Non-stop Boeing 737 (73J) 1:30 Operates only on 2026-01-03 Codeshare flight, operated by Turkish Airlines.(TK 1032)
Thu 16:00 Sofia (SOF) 2 18:30 Istanbul (IST) IndiGo 6E 4118 Non-stop Airbus A320 (320) 1:30 Operates only on 2026-01-08 Codeshare flight, operated by Turkish Airlines.(TK 1032)
Mon,Tue,Thu-Sat 16:00 Sofia (SOF) 2 18:30 Istanbul (IST) IndiGo 6E 4118 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-01-09 through 2026-01-20 Codeshare flight, operated by Turkish Airlines.(TK 1032)
Sun 16:00 Sofia (SOF) 2 18:30 Istanbul (IST) IndiGo 6E 4118 Non-stop Boeing 737 (73J) 1:30 Effective 2026-01-11 through 2026-03-22 Codeshare flight, operated by Turkish Airlines.(TK 1032)
Wed 16:00 Sofia (SOF) 2 18:30 Istanbul (IST) IndiGo 6E 4118 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2026-01-14 Codeshare flight, operated by Turkish Airlines.(TK 1032)
Mon-Sat 16:00 Sofia (SOF) 2 18:30 Istanbul (IST) IndiGo 6E 4118 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-01-21 through 2026-01-29 Codeshare flight, operated by Turkish Airlines.(TK 1032)
Fri 16:00 Sofia (SOF) 2 18:30 Istanbul (IST) IndiGo 6E 4118 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2026-01-30 Codeshare flight, operated by Turkish Airlines.(TK 1032)
Mon-Sat 16:00 Sofia (SOF) 2 18:30 Istanbul (IST) IndiGo 6E 4118 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-01-31 through 2026-03-28 Codeshare flight, operated by Turkish Airlines.(TK 1032)
Mon-Thu 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Boeing 737-800 (73H) 1:30 Valid until 2026-01-01 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Wed,Fri 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Airbus A321 (32B) 1:30 Effective 2026-01-02 through 2026-01-07 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Tue,Sat 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Airbus A321neo (32Q) 1:30 Effective 2026-01-03 through 2026-01-06 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Mon,Fri,Sun 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Airbus A321 (321) 1:30 Effective 2026-01-04 through 2026-01-09 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Thu 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Boeing 737 MAX 9 (7M9) 1:30 Operates only on 2026-01-08 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Mon-Wed,Sat 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-01-10 through 2026-01-17 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Thu,Sun 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Boeing 737 (73J) 1:30 Effective 2026-01-11 through 2026-01-15 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Fri 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Airbus A321 (32B) 1:30 Operates only on 2026-01-16 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Mon-Wed,Sat,Sun 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-01-18 through 2026-02-11 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Thu 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Boeing 737 (73J) 1:30 Effective 2026-01-22 through 2026-02-05 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Fri 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Airbus A321 (321) 1:30 Operates only on 2026-01-23 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Fri 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Airbus A321neo (32Q) 1:30 Operates only on 2026-01-30 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Fri 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Airbus A321 (32B) 1:30 Effective 2026-02-06 through 2026-03-27 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Mon-Thu,Sat,Sun 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-02-12 through 2026-02-18 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Thu 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Boeing 737 (73J) 1:30 Effective 2026-02-19 through 2026-02-26 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Mon-Wed,Sat,Sun 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-02-21 through 2026-03-04 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Mon-Thu,Sat,Sun 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-03-05 through 2026-03-11 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Thu 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Boeing 737 (73J) 1:30 Effective 2026-03-12 through 2026-03-26 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Mon-Wed,Sat,Sun 09:35 Sofia (SOF) 2 12:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-03-14 through 2026-03-28 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Daily 09:35 Sofia (SOF) 2 11:05 Istanbul (IST) IndiGo 6E 4120 Non-stop Airbus A321 (32B) 1:30 Effective 2026-03-29 through 2026-10-24 Codeshare flight, operated by Turkish Airlines.(TK 1028)
Mon,Tue,Thu,Fri,Sun 21:05 Sofia (SOF) 2 22:30 Istanbul (IST) IndiGo 6E 4122 Non-stop Airbus A321 (32B) 1:25 Effective 2026-03-29 through 2026-10-23 Codeshare flight, operated by Turkish Airlines.(TK 1030)
Wed 21:05 Sofia (SOF) 2 22:30 Istanbul (IST) IndiGo 6E 4122 Non-stop Airbus A321neo (32Q) 1:25 Effective 2026-04-01 through 2026-10-21 Codeshare flight, operated by Turkish Airlines.(TK 1030)
Sat 21:05 Sofia (SOF) 2 22:30 Istanbul (IST) IndiGo 6E 4122 Non-stop Airbus A320 (320) 1:25 Effective 2026-04-04 through 2026-10-24 Codeshare flight, operated by Turkish Airlines.(TK 1030)
Tue,Thu,Sat 21:40 Sofia (SOF) 2 00:15 Istanbul (IST) IndiGo 6E 4122 Non-stop Airbus A321 (32B) 1:35 Valid until 2026-01-01 Codeshare flight, operated by Turkish Airlines.(TK 1030) The flight arrives 1 day after departure.
Mon,Fri-Sun 21:40 Sofia (SOF) 2 00:15 Istanbul (IST) IndiGo 6E 4122 Non-stop Airbus A321 (321) 1:35 Valid until 2026-01-05 Codeshare flight, operated by Turkish Airlines.(TK 1030) The flight arrives 1 day after departure.
Mon-Sat 21:40 Sofia (SOF) 2 00:15 Istanbul (IST) IndiGo 6E 4122 Non-stop Airbus A321 (32B) 1:35 Effective 2026-01-06 through 2026-01-16 Codeshare flight, operated by Turkish Airlines.(TK 1030) The flight arrives 1 day after departure.
Sun 21:40 Sofia (SOF) 2 00:15 Istanbul (IST) IndiGo 6E 4122 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-01-11 through 2026-03-22 Codeshare flight, operated by Turkish Airlines.(TK 1030) The flight arrives 1 day after departure.
Sat 21:40 Sofia (SOF) 2 00:15 Istanbul (IST) IndiGo 6E 4122 Non-stop Airbus A320 (320) 1:35 Operates only on 2026-01-17 Codeshare flight, operated by Turkish Airlines.(TK 1030) The flight arrives 1 day after departure.
Mon-Thu,Sat 21:40 Sofia (SOF) 2 00:15 Istanbul (IST) IndiGo 6E 4122 Non-stop Airbus A321 (32B) 1:35 Effective 2026-01-19 through 2026-01-24 Codeshare flight, operated by Turkish Airlines.(TK 1030) The flight arrives 1 day after departure.
Mon,Tue,Fri 21:40 Sofia (SOF) 2 00:15 Istanbul (IST) IndiGo 6E 4122 Non-stop Airbus A321 (321) 1:35 Effective 2026-01-23 through 2026-01-27 Codeshare flight, operated by Turkish Airlines.(TK 1030) The flight arrives 1 day after departure.
Mon-Sat 21:40 Sofia (SOF) 2 00:15 Istanbul (IST) IndiGo 6E 4122 Non-stop Airbus A321 (32B) 1:35 Effective 2026-01-28 through 2026-03-13 Codeshare flight, operated by Turkish Airlines.(TK 1030) The flight arrives 1 day after departure.
Sat 21:40 Sofia (SOF) 2 00:15 Istanbul (IST) IndiGo 6E 4122 Non-stop Airbus A320 (320) 1:35 Effective 2026-03-14 through 2026-03-21 Codeshare flight, operated by Turkish Airlines.(TK 1030) The flight arrives 1 day after departure.
Mon-Fri 21:40 Sofia (SOF) 2 00:15 Istanbul (IST) IndiGo 6E 4122 Non-stop Airbus A321 (32B) 1:35 Effective 2026-03-16 through 2026-03-27 Codeshare flight, operated by Turkish Airlines.(TK 1030) The flight arrives 1 day after departure.
Sat 21:40 Sofia (SOF) 2 00:15 Istanbul (IST) IndiGo 6E 4122 Non-stop Airbus A321 (32B) 1:35 Operates only on 2026-03-28 Codeshare flight, operated by Turkish Airlines.(TK 1030) The flight arrives 1 day after departure.

An international route departing from Sofia airport, Bulgaria (SOF) and arriving at Istanbul airport, Turkey (IST).
The flight distance is 291 miles, or 469 km.
The timezone of the departure airport is UTC+2 , and the timezone of the arrival airport is UTC+3 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 1:25 and 1:35.

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FLIGHT SCHEDULE

Direct Codeshare Flights:

IndiGo 6E4118

15:50

Sofia (SOF) 2

17:20

Istanbul (IST)

Effective 2026-03-29 through 2026-10-24

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by Turkish Airlines. (TK 1032)

Duration: 1:30, non-stop
Airbus A321 (32B)

Direct Codeshare Flights:

IndiGo 6E4118

15:50

Sofia (SOF) 2

17:20

Istanbul (IST)

Effective 2026-03-31 through 2026-10-20

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1032)

Duration: 1:30, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

IndiGo 6E4118

15:50

Sofia (SOF) 2

17:20

Istanbul (IST)

Effective 2026-04-01 through 2026-10-21

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1032)

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

IndiGo 6E4118

16:00

Sofia (SOF) 2

18:30

Istanbul (IST)

Valid until 2026-01-04

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Turkish Airlines. (TK 1032)

Duration: 1:30, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

IndiGo 6E4118

16:00

Sofia (SOF) 2

18:30

Istanbul (IST)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1032)

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

IndiGo 6E4118

16:00

Sofia (SOF) 2

18:30

Istanbul (IST)

Effective 2026-01-02 through 2026-01-07

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1032)

Duration: 1:30, non-stop
Airbus A321 (32B)

Direct Codeshare Flights:

IndiGo 6E4118

16:00

Sofia (SOF) 2

18:30

Istanbul (IST)

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1032)

Duration: 1:30, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

IndiGo 6E4118

16:00

Sofia (SOF) 2

18:30

Istanbul (IST)

Operates only on 2026-01-08

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1032)

Duration: 1:30, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

IndiGo 6E4118

16:00

Sofia (SOF) 2

18:30

Istanbul (IST)

Effective 2026-01-09 through 2026-01-20

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1032)

Duration: 1:30, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

IndiGo 6E4118

16:00

Sofia (SOF) 2

18:30

Istanbul (IST)

Effective 2026-01-11 through 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Turkish Airlines. (TK 1032)

Duration: 1:30, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

IndiGo 6E4118

16:00

Sofia (SOF) 2

18:30

Istanbul (IST)

Operates only on 2026-01-14

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1032)

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

IndiGo 6E4118

16:00

Sofia (SOF) 2

18:30

Istanbul (IST)

Effective 2026-01-21 through 2026-01-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1032)

Duration: 1:30, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

IndiGo 6E4118

16:00

Sofia (SOF) 2

18:30

Istanbul (IST)

Operates only on 2026-01-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1032)

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

IndiGo 6E4118

16:00

Sofia (SOF) 2

18:30

Istanbul (IST)

Effective 2026-01-31 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1032)

Duration: 1:30, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Valid until 2026-01-01

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Effective 2026-01-02 through 2026-01-07

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Airbus A321 (32B)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Effective 2026-01-03 through 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Effective 2026-01-04 through 2026-01-09

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Operates only on 2026-01-08

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Effective 2026-01-10 through 2026-01-17

Mon

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Effective 2026-01-11 through 2026-01-15

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Operates only on 2026-01-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Airbus A321 (32B)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Effective 2026-01-18 through 2026-02-11

Mon

Tue

Wed

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Effective 2026-01-22 through 2026-02-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Operates only on 2026-01-23

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Operates only on 2026-01-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Effective 2026-02-06 through 2026-03-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Airbus A321 (32B)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Effective 2026-02-12 through 2026-02-18

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Effective 2026-02-19 through 2026-02-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Effective 2026-02-21 through 2026-03-04

Mon

Tue

Wed

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Effective 2026-03-05 through 2026-03-11

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Effective 2026-03-12 through 2026-03-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

12:05

Istanbul (IST)

Effective 2026-03-14 through 2026-03-28

Mon

Tue

Wed

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

IndiGo 6E4120

09:35

Sofia (SOF) 2

11:05

Istanbul (IST)

Effective 2026-03-29 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Turkish Airlines. (TK 1028)

Duration: 1:30, non-stop
Airbus A321 (32B)

Direct Codeshare Flights:

IndiGo 6E4122

21:05

Sofia (SOF) 2

22:30

Istanbul (IST)

Effective 2026-03-29 through 2026-10-23

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Turkish Airlines. (TK 1030)

Duration: 1:25, non-stop
Airbus A321 (32B)

Direct Codeshare Flights:

IndiGo 6E4122

21:05

Sofia (SOF) 2

22:30

Istanbul (IST)

Effective 2026-04-01 through 2026-10-21

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1030)

Duration: 1:25, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

IndiGo 6E4122

21:05

Sofia (SOF) 2

22:30

Istanbul (IST)

Effective 2026-04-04 through 2026-10-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1030)

Duration: 1:25, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

IndiGo 6E4122

21:40

Sofia (SOF) 2

00:15(+1)

Istanbul (IST)

Valid until 2026-01-01

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1030)

Duration: 1:35, non-stop
Airbus A321 (32B)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

IndiGo 6E4122

21:40

Sofia (SOF) 2

00:15(+1)

Istanbul (IST)

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Turkish Airlines. (TK 1030)

Duration: 1:35, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

IndiGo 6E4122

21:40

Sofia (SOF) 2

00:15(+1)

Istanbul (IST)

Effective 2026-01-06 through 2026-01-16

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1030)

Duration: 1:35, non-stop
Airbus A321 (32B)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

IndiGo 6E4122

21:40

Sofia (SOF) 2

00:15(+1)

Istanbul (IST)

Effective 2026-01-11 through 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Turkish Airlines. (TK 1030)

Duration: 1:35, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

IndiGo 6E4122

21:40

Sofia (SOF) 2

00:15(+1)

Istanbul (IST)

Operates only on 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1030)

Duration: 1:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

IndiGo 6E4122

21:40

Sofia (SOF) 2

00:15(+1)

Istanbul (IST)

Effective 2026-01-19 through 2026-01-24

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1030)

Duration: 1:35, non-stop
Airbus A321 (32B)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

IndiGo 6E4122

21:40

Sofia (SOF) 2

00:15(+1)

Istanbul (IST)

Effective 2026-01-23 through 2026-01-27

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1030)

Duration: 1:35, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

IndiGo 6E4122

21:40

Sofia (SOF) 2

00:15(+1)

Istanbul (IST)

Effective 2026-01-28 through 2026-03-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1030)

Duration: 1:35, non-stop
Airbus A321 (32B)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

IndiGo 6E4122

21:40

Sofia (SOF) 2

00:15(+1)

Istanbul (IST)

Effective 2026-03-14 through 2026-03-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1030)

Duration: 1:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

IndiGo 6E4122

21:40

Sofia (SOF) 2

00:15(+1)

Istanbul (IST)

Effective 2026-03-16 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1030)

Duration: 1:35, non-stop
Airbus A321 (32B)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

IndiGo 6E4122

21:40

Sofia (SOF) 2

00:15(+1)

Istanbul (IST)

Operates only on 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Turkish Airlines. (TK 1030)

Duration: 1:35, non-stop
Airbus A321 (32B)
The flight arrives 1 day after departure.

An international route departing from Sofia airport, Bulgaria (SOF) and arriving at Istanbul airport, Turkey (IST).
The flight distance is 291 miles, or 469 km.
The timezone of the departure airport is UTC+2 , and the timezone of the arrival airport is UTC+3 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 1:25 and 1:35.

All SOF-IST flights

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