Find out how many miles you need to travel to Tokyo
Overview
To get from London to Tokyo will require between 35,000 (off-peak days) and 40,000 (peak days) in Avios.
Upgrading to premium economy will cost an extra 15,000 Avios on top of economy. Premium economy seats cost 50,000 on off peak dates and 77,500 on peak dates
Businss Class will require either 100,000 (off peak) or 110,000 (peak) Avios.
There is no first class cabin on flights from London to Tokyo.
Avios needed table
Cabin
Avios Needed (Off-Peak)
Avios Needed (Peak)
Economy
35,000
40,000
Premium Economy
50,000
77,500
Business
100,000
110,000
How to make your Avios go further
If you're based in the UK then there's a way to make your Avios go even further, and that's through a Companion Voucher. I've written extensively about these amazing vouchers. They're not free, but they're absolutely worth it. Read my guide on is a BA companion voucher worth it?
How can you search for reward seat availability?
BA offers a number of ways to search for reward seats: their "Reward Flight Finder", their in-app "Reward Flights" section and just making a dummy booking. There are also third party tools that you can use, although I've managed to find plenty of seats without having to pay for a platform. I wrote about the best (and worst) ways to search for Avios availability. If you're looking to book seats to a popular destination then planning ahead is critical: seats become available 355 days before the flight date.