Which airports does British Airways flies between for London-Helsinki?
For flights between London and Helsinki, British Airways flies from the following airport routes: Heathrow (LHR) to Helsinki Vantaa (HEL)
What do British Airways flights from London to Helsinki cost?
One of British Airways cheapest prices for a London to Helsinki flight we have right now is £ 148.
On average though, flights with British Airways cost £ 222.30 for the route London to Helsinki, though it depends a lot on the season and how far in advance you book your tickets.