How many hours is a flight from the UK to Japan?

The flight duration from the UK to Japan varies depending on the departure and arrival airports, as well as the specific airline and route. As a general reference, here are the approximate flight times for some common routes:

- London (Heathrow) to Tokyo (Narita): Approximately 11 hours to 12 hours direct.

- London (Heathrow) to Osaka (Kansai): Approximately 12 hours to 13 hours direct.

- Manchester to Tokyo (Narita): Approximately 11 hours to 12 hours direct.

- Manchester to Osaka (Kansai): Approximately 12 hours to 13 hours direct.

These flight times are subject to variation due to factors such as weather conditions, airline schedules, and stopovers. For the most up-to-date information, it's best to check with the specific airline or flight booking website for the exact flight duration for your desired route.