Asiana Airlines flight OZ 521: Seoul Incheon - London Heathrow

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FLIGHT SCHEDULE
Direct Flights:
Daily 12:20 Seoul Incheon (ICN) 2 18:50 London Heathrow (LHR) 2
OZ 521 Non-stop Airbus A350-900 (359) 14:30 Effective 2026-04-04 through 2026-10-24
Daily 12:25 Seoul Incheon (ICN) 1 18:05 London Heathrow (LHR) 2
OZ 521 Non-stop Airbus A350-900 (359) 14:40 Valid until 2026-01-13
Daily 12:25 Seoul Incheon (ICN) 2 18:05 London Heathrow (LHR) 2
OZ 521 Non-stop Airbus A350-900 (359) 14:40 Effective 2026-01-14 through 2026-03-28
Daily 12:25 Seoul Incheon (ICN) 2 18:05 London Heathrow (LHR) 2
OZ 521 Non-stop Airbus A350-900 (359) 14:40 Effective from 2026-10-25
Mon-Fri,Sun 14:30 Seoul Incheon (ICN) 2 18:00 London Heathrow (LHR) 2
OZ 521 Non-stop Airbus A350-900 (359) 11:30 Effective 2026-03-29 through 2026-04-03
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Asiana Airlines flight OZ 521:
Seoul Incheon - London Heathrow
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Asiana Airlines OZ521
Effective 2026-04-04 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 14:30, non-stop
Airbus A350-900 (359)

Direct Flights:

Asiana Airlines OZ521
Valid until 2026-01-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 14:40, non-stop
Airbus A350-900 (359)

Direct Flights:

Asiana Airlines OZ521
Effective 2026-01-14 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 14:40, non-stop
Airbus A350-900 (359)

Direct Flights:

Asiana Airlines OZ521
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 14:40, non-stop
Airbus A350-900 (359)

Direct Flights:

Asiana Airlines OZ521
Effective 2026-03-29 through 2026-04-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 11:30, non-stop
Airbus A350-900 (359)
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  • OZ 521 is an international flight departing from Seoul Incheon airport, South Korea (ICN) and arriving at London Heathrow airport, United Kingdom (LHR).
  • The flight distance is 5502 miles, or 8855 km.
  • The timezone of the departure airport is UTC+9 , 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 11:30 and 14:40.