SriLankan Airlines flight UL 503: Colombo - London Heathrow

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 12:50 Colombo (CMB) 19:10 London Heathrow (LHR) 3
UL 503 Non-stop Airbus A330-300 (333) 11:50 Valid until 2026-03-28
Daily 12:50 Colombo (CMB) 19:10 London Heathrow (LHR) 3
UL 503 Non-stop Airbus A330-300 (333) 11:50 Effective from 2026-10-25
Daily 13:10 Colombo (CMB) 20:00 London Heathrow (LHR) 3
UL 503 Non-stop Airbus A330-300 (333) 11:20 Effective 2026-03-29 through 2026-10-24


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SriLankan Airlines flight UL 503:
Colombo - London Heathrow
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
SriLankan Airlines UL503
12:50
Colombo (CMB)

19:10
London Heathrow (LHR) 3
Valid until 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:50, non-stop
Airbus A330-300 (333)
Direct Flights:
SriLankan Airlines UL503
12:50
Colombo (CMB)

19:10
London Heathrow (LHR) 3
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:50, non-stop
Airbus A330-300 (333)
Direct Flights:
SriLankan Airlines UL503
13:10
Colombo (CMB)

20:00
London Heathrow (LHR) 3
Effective 2026-03-29 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:20, non-stop
Airbus A330-300 (333)
  • UL 503 is an international flight departing from Colombo airport, Sri Lanka (CMB) and arriving at London Heathrow airport, United Kingdom (LHR).
  • The flight distance is 5412 miles, or 8709 km.
  • The timezone of the departure airport is UTC+5.5 , and the timezone of the arrival airport is UTC+0 . 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 11:20 and 11:50.
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