We've gone through lots of different flights, to help you find the cheapest way to get from London Heathrow to Sendai. You can choose from zero airlines.
But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
Take a look at flight times to see which one works best for you.
Searching by month, for instance, will show you the best time of the week to fly.