United Airlines flights from London Heathrow (LHR) to Istanbul (IST).

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon 16:35 London Heathrow (LHR) 2 23:25 Istanbul (IST)
United Airlines UA 6921 Non-stop Boeing 787-9 (789) 3:50 Effective 2026-03-16 through 2026-03-23
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Tue,Wed,Fri,Sat 16:35 London Heathrow (LHR) 2 23:25 Istanbul (IST)
United Airlines UA 6921 Non-stop Airbus A330-300 (333) 3:50 Effective 2026-03-24 through 2026-03-28
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Thu 16:35 London Heathrow (LHR) 2 23:25 Istanbul (IST)
United Airlines UA 6921 Non-stop Airbus A350-900 (359) 3:50 Operates only on 2026-03-26
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Daily 16:55 London Heathrow (LHR) 2 22:40 Istanbul (IST)
United Airlines UA 6921 Non-stop Airbus A330-300 (333) 3:45 Effective 2026-03-29 through 2026-10-24
Codeshare flight, operated by Turkish Airlines.(TK 1986)
Mon,Sat,Sun 13:15 London Heathrow (LHR) 2 19:05 Istanbul (IST)
United Airlines UA 6922 Non-stop Airbus A330-300 (333) 3:50 Effective 2026-03-29 through 2026-10-10
Codeshare flight, operated by Turkish Airlines.(TK 1990)
Sun 13:15 London Heathrow (LHR) 2 19:05 Istanbul (IST)
United Airlines UA 6922 Non-stop Airbus A321neo (32Q) 3:50 Effective 2026-10-11 through 2026-10-18
Codeshare flight, operated by Turkish Airlines.(TK 1990)
Mon,Sat 13:15 London Heathrow (LHR) 2 19:05 Istanbul (IST)
United Airlines UA 6922 Non-stop Airbus A330-300 (333) 3:50 Effective 2026-10-12 through 2026-10-24
Codeshare flight, operated by Turkish Airlines.(TK 1990)
Thu,Sat 15:15 London Heathrow (LHR) 2 22:20 Istanbul (IST)
United Airlines UA 6922 Non-stop Airbus A321neo (32Q) 4:05 Valid until 2026-03-28
Codeshare flight, operated by Turkish Airlines.(TK 1990)
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United Airlines flights from London Heathrow (LHR) to Istanbul (IST).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2026-03-16 through 2026-03-23
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

Effective 2026-03-24 through 2026-03-28
Mon
-
Tue
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Airbus A330-300 (333)

Direct Codeshare Flights:

Operates only on 2026-03-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:50, non-stop
Airbus A350-900 (359)

Direct Codeshare Flights:

Effective 2026-03-29 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1986)
Duration: 3:45, non-stop
Airbus A330-300 (333)

Direct Codeshare Flights:

Effective 2026-03-29 through 2026-10-10
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1990)
Duration: 3:50, non-stop
Airbus A330-300 (333)

Direct Codeshare Flights:

Effective 2026-10-11 through 2026-10-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Turkish Airlines. (TK 1990)
Duration: 3:50, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-10-12 through 2026-10-24
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1990)
Duration: 3:50, non-stop
Airbus A330-300 (333)

Direct Codeshare Flights:

Valid until 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Turkish Airlines. (TK 1990)
Duration: 4:05, non-stop
Airbus A321neo (32Q)
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  • An international route departing from London Heathrow airport, United Kingdom (LHR) and arriving at Istanbul airport, Turkey (IST).
  • The flight distance is 1545 miles, or 2487 km.
  • The timezone of the departure airport is UTC+0 , 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 3:45 and 4:05.