Which airports does British Airways flies between for London-Portland?
For flights between London and Portland, British Airways flies from the following airport routes: Heathrow (LHR) to Portland International Airport (PDX)
What do British Airways flights from London to Portland cost?
One of British Airways cheapest prices for a London to Portland flight we have right now is £ 624.
On average though, flights with British Airways cost £ 4966.30 for the route London to Portland, though it depends a lot on the season and how far in advance you book your tickets.