Iberia flight IB 3503: Sydney - London Heathrow via Singapore Changi

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 14:40 Sydney (SYD) 1 21:00 Singapore Changi (SIN)
IB 3503 Non-stop Boeing 787-9 (789) 8:20 Effective 2026-04-05 through 2026-10-03
Codeshare flight, operated by British Airways.(BA 16)
Mon,Sun 15:40 Sydney (SYD) 1 21:00 Singapore Changi (SIN)
IB 3503 Non-stop Boeing 777-300ER (77W) 8:20 Effective 2026-03-29 through 2026-03-30
Codeshare flight, operated by British Airways.(BA 16)
Tue-Sat 15:40 Sydney (SYD) 1 21:00 Singapore Changi (SIN)
IB 3503 Non-stop Boeing 787-9 (789) 8:20 Effective 2026-03-31 through 2026-04-04
Codeshare flight, operated by British Airways.(BA 16)
Daily 15:40 Sydney (SYD) 1 21:00 Singapore Changi (SIN)
IB 3503 Non-stop Boeing 787-9 (789) 8:20 Effective 2026-10-04 through 2026-10-24
Codeshare flight, operated by British Airways.(BA 16)
Daily 16:20 Sydney (SYD) 1 21:25 Singapore Changi (SIN) 1
IB 3503 Non-stop Boeing 777-300ER (77W) 8:05 Valid until 2026-03-28
Codeshare flight, operated by British Airways.(BA 16)
Mon,Sun 16:20 Sydney (SYD) 1 21:25 Singapore Changi (SIN) 1
IB 3503 Non-stop Boeing 787-9 (789) 8:05 Effective 2026-10-25 through 2026-10-26
Codeshare flight, operated by British Airways.(BA 16)
Daily 16:20 Sydney (SYD) 1 21:25 Singapore Changi (SIN) 1
IB 3503 Non-stop Boeing 777-300ER (77W) 8:05 Effective from 2026-10-27
Codeshare flight, operated by British Airways.(BA 16)
Mon,Sun 22:40 Singapore Changi (SIN) 1 05:25 London Heathrow (LHR)
IB 3503 Non-stop Boeing 777-300ER (77W) 13:45 Effective 2026-03-29 through 2026-03-30
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Daily 22:40 Singapore Changi (SIN) 1 05:25 London Heathrow (LHR)
IB 3503 Non-stop Boeing 787-9 (789) 13:45 Effective 2026-03-31 through 2026-10-23
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Sat 22:40 Singapore Changi (SIN) 1 04:25 London Heathrow (LHR)
IB 3503 Non-stop Boeing 787-9 (789) 13:45 Operates only on 2026-10-24
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Daily 23:05 Singapore Changi (SIN) 1 05:45 London Heathrow (LHR) 5
IB 3503 Non-stop Boeing 777-300ER (77W) 14:40 Valid until 2026-03-27
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Sat 23:05 Singapore Changi (SIN) 1 06:45 London Heathrow (LHR) 5
IB 3503 Non-stop Boeing 777-300ER (77W) 14:40 Operates only on 2026-03-28
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Mon,Sun 23:05 Singapore Changi (SIN) 1 05:45 London Heathrow (LHR) 5
IB 3503 Non-stop Boeing 787-9 (789) 14:40 Effective 2026-10-25 through 2026-10-26
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Daily 23:05 Singapore Changi (SIN) 1 05:45 London Heathrow (LHR) 5
IB 3503 Non-stop Boeing 777-300ER (77W) 14:40 Effective from 2026-10-27
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Non-Direct Codeshare flights:
Daily 14:40 Sydney (SYD) 1 05:25 London Heathrow (LHR)
IB 3503 1-stop Boeing 787-9 (789) 23:45 Effective 2026-04-05 through 2026-10-03
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Mon,Sun 15:40 Sydney (SYD) 1 05:25 London Heathrow (LHR)
IB 3503 1-stop Boeing 777-300ER (77W) 23:45 Effective 2026-03-29 through 2026-03-30
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Tue-Sat 15:40 Sydney (SYD) 1 05:25 London Heathrow (LHR)
IB 3503 1-stop Boeing 787-9 (789) 23:45 Effective 2026-03-31 through 2026-04-04
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Daily 15:40 Sydney (SYD) 1 05:25 London Heathrow (LHR)
IB 3503 1-stop Boeing 787-9 (789) 23:45 Effective 2026-10-04 through 2026-10-23
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Sat 15:40 Sydney (SYD) 1 04:25 London Heathrow (LHR)
IB 3503 1-stop Boeing 787-9 (789) 23:45 Operates only on 2026-10-24
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Daily 16:20 Sydney (SYD) 1 05:45 London Heathrow (LHR) 5
IB 3503 1-stop Boeing 777-300ER (77W) 24:25 Valid until 2026-03-27
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Sat 16:20 Sydney (SYD) 1 06:45 London Heathrow (LHR) 5
IB 3503 1-stop Boeing 777-300ER (77W) 24:25 Operates only on 2026-03-28
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Mon,Sun 16:20 Sydney (SYD) 1 05:45 London Heathrow (LHR) 5
IB 3503 1-stop Boeing 787-9 (789) 24:25 Effective 2026-10-25 through 2026-10-26
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
Daily 16:20 Sydney (SYD) 1 05:45 London Heathrow (LHR) 5
IB 3503 1-stop Boeing 777-300ER (77W) 24:25 Effective from 2026-10-27
Codeshare flight, operated by British Airways.(BA 16)
The flight arrives 1 day after departure.
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Iberia flight IB 3503:
Sydney - London Heathrow via Singapore Changi
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB3503
14:40
Sydney (SYD) 1

21:00
Singapore Changi (SIN)
Effective 2026-04-05 through 2026-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 8:20, non-stop
Boeing 787-9 (789)
Direct Codeshare Flights:
Iberia IB3503
15:40
Sydney (SYD) 1

21:00
Singapore Changi (SIN)
Effective 2026-03-29 through 2026-03-30
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 8:20, non-stop
Boeing 777-300ER (77W)
Direct Codeshare Flights:
Iberia IB3503
15:40
Sydney (SYD) 1

21:00
Singapore Changi (SIN)
Effective 2026-03-31 through 2026-04-04
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by British Airways. (BA 16)
Duration: 8:20, non-stop
Boeing 787-9 (789)
Direct Codeshare Flights:
Iberia IB3503
15:40
Sydney (SYD) 1

21:00
Singapore Changi (SIN)
Effective 2026-10-04 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 8:20, non-stop
Boeing 787-9 (789)
Direct Codeshare Flights:
Iberia IB3503
16:20
Sydney (SYD) 1

21:25
Singapore Changi (SIN) 1
Valid until 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 8:05, non-stop
Boeing 777-300ER (77W)
Direct Codeshare Flights:
Iberia IB3503
16:20
Sydney (SYD) 1

21:25
Singapore Changi (SIN) 1
Effective 2026-10-25 through 2026-10-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 8:05, non-stop
Boeing 787-9 (789)
Direct Codeshare Flights:
Iberia IB3503
16:20
Sydney (SYD) 1

21:25
Singapore Changi (SIN) 1
Effective from 2026-10-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 8:05, non-stop
Boeing 777-300ER (77W)
Direct Codeshare Flights:
Iberia IB3503
22:40
Singapore Changi (SIN) 1

05:25(+1)
London Heathrow (LHR)
Effective 2026-03-29 through 2026-03-30
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 13:45, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3503
22:40
Singapore Changi (SIN) 1

05:25(+1)
London Heathrow (LHR)
Effective 2026-03-31 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 13:45, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3503
22:40
Singapore Changi (SIN) 1

04:25(+1)
London Heathrow (LHR)
Operates only on 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by British Airways. (BA 16)
Duration: 13:45, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3503
23:05
Singapore Changi (SIN) 1

05:45(+1)
London Heathrow (LHR) 5
Valid until 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 14:40, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3503
23:05
Singapore Changi (SIN) 1

06:45(+1)
London Heathrow (LHR) 5
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by British Airways. (BA 16)
Duration: 14:40, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3503
23:05
Singapore Changi (SIN) 1

05:45(+1)
London Heathrow (LHR) 5
Effective 2026-10-25 through 2026-10-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 14:40, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3503
23:05
Singapore Changi (SIN) 1

05:45(+1)
London Heathrow (LHR) 5
Effective from 2026-10-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 14:40, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
Non-Direct Codeshare flights:
Iberia IB3503
14:40
Sydney (SYD) 1

05:25(+1)
London Heathrow (LHR)
Effective 2026-04-05 through 2026-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 23:45, 1-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Non-Direct Codeshare flights:
Iberia IB3503
15:40
Sydney (SYD) 1

05:25(+1)
London Heathrow (LHR)
Effective 2026-03-29 through 2026-03-30
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 23:45, 1-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
Non-Direct Codeshare flights:
Iberia IB3503
15:40
Sydney (SYD) 1

05:25(+1)
London Heathrow (LHR)
Effective 2026-03-31 through 2026-04-04
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by British Airways. (BA 16)
Duration: 23:45, 1-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Non-Direct Codeshare flights:
Iberia IB3503
15:40
Sydney (SYD) 1

05:25(+1)
London Heathrow (LHR)
Effective 2026-10-04 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 23:45, 1-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Non-Direct Codeshare flights:
Iberia IB3503
15:40
Sydney (SYD) 1

04:25(+1)
London Heathrow (LHR)
Operates only on 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by British Airways. (BA 16)
Duration: 23:45, 1-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Non-Direct Codeshare flights:
Iberia IB3503
16:20
Sydney (SYD) 1

05:45(+1)
London Heathrow (LHR) 5
Valid until 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 24:25, 1-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
Non-Direct Codeshare flights:
Iberia IB3503
16:20
Sydney (SYD) 1

06:45(+1)
London Heathrow (LHR) 5
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by British Airways. (BA 16)
Duration: 24:25, 1-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
Non-Direct Codeshare flights:
Iberia IB3503
16:20
Sydney (SYD) 1

05:45(+1)
London Heathrow (LHR) 5
Effective 2026-10-25 through 2026-10-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 24:25, 1-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Non-Direct Codeshare flights:
Iberia IB3503
16:20
Sydney (SYD) 1

05:45(+1)
London Heathrow (LHR) 5
Effective from 2026-10-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 16)
Duration: 24:25, 1-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
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  • IB 3503 is an international flight departing from Sydney airport, Australia (SYD) and arriving at London Heathrow airport, United Kingdom (LHR).
  • The flight runs via Singapore Changi (SIN).
  • The flight distance is 10569 miles, or 17009 km.
  • The timezone of the departure airport is UTC+10 , 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.
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