Travellers in the UK looking for reasonably priced flights to Japan in spring 2017 may consider this solution based on SkyTeam carriers Air France / KLM. For very limited options you will find round trip tickets from Southampton, Birmingham, London, Glasgow, Newcastle or Edinburgh to Tokyo already for £333! There is one short layover in Amsterdam or Paris on your way to Asia. Fare is including all charges and 23kg checked bag.
If interested in this Air France / KLM promotion you will find very limited travel options in second half of April and in May 2017. Max stay 1 month. Below you can refer to our booking sample from each of the origin city.
Booking sample
Travel dates. As mentioned very limited options are available in said travel period also vary by each of the origin UK airport. The easiest would be to compare directly at website of the carrier then book with your preferred booking agent. You can then book either directly with Air France / KLM or via your preferred online booking agent.
Booking sample of cheap Air France / KLM flights from the UK to Tokyo from £333 here. In this case you would depart from Southampton to Japan on 24th of April. Your return flight from Tokyo back to Europe would be then on 11th of May 2017.