Right now there are no direct flights from the UK to Portland.
The duration of the flight depends on your departure airport. Here are some examples:
The durations indicated correspond to the shortest flights found on these routes.
The main airlines that operate flights between the UK and Portland are Delta Airlines, Scandinavian Airlines, Air Dolomiti and Lufthansa.
The cheapest departure airport on average is: London Heathrow Airport.
Comparison among airports in the UK.
This information is currently not available.
Frontier Airlines