Check SriLankan Airlines UL503 (ALK) Flight Schedule
Stay Updated on your SriLankan Airlines UL503 (ALK) flight status updates here
11h 20m
About SriLankan Airlines UL503 (ALK)
UL503 (ALK) is a scheduled service operated by SriLankan Airlines, connecting Colombo - London with an average flight time of 11h 20m. It departs from Bandaranaike International Airport (CMB) and arrives at Heathrow Airport (LHR) . Browse real-time schedules, compare fares, and book your seat — all in one place on Airpaz.
Last Updated on
Flight Information SriLankan Airlines UL503 (ALK)
Lowest Fare Month
Dec
Total Destinations
1
Today’s Flight
| Date | Departure | Arrival | Duration | Aircraft |
|---|---|---|---|---|
Wednesday 23 September 2026 | 13:10 Bandaranaike International Airport | 20:00 Heathrow Airport | 11h 20m | - |
Upcoming Flight
| Date | Departure | Arrival | Duration | Aircraft |
|---|---|---|---|---|
Saturday 26 September 2026 | 13:10 Bandaranaike International Airport | 20:00 Heathrow Airport | 11h 20m | Airbus A330-300 |
Wednesday 30 September 2026 | 13:10 Bandaranaike International Airport | 20:00 Heathrow Airport | 11h 20m | Airbus A330-300 |
Thursday 1 October 2026 | 13:10 Bandaranaike International Airport | 20:00 Heathrow Airport | 11h 20m | Airbus A330-300 |
Friday 2 October 2026 | 13:10 Bandaranaike International Airport | 20:00 Heathrow Airport | 11h 20m | Airbus A330-300 |
Popular Route from Colombo
Popular Route to London
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