Find a good deal on your flight from London to Portland Maine with Netflights. 30 flights go via this route every week, and we've collected them all to help you find the best deal. If you want to keep your options open, take a look at flights from another airport in London.
The most popular airlines for this route are KLM, Virgin Atlantic & Virgin Atlantic, while London Heathrow (LHR) is the most popular departure airport in the city. But when you fly is just as important as where you fly from. Search by month to find out when flights are at the priciest and their cheapest.
Last-minute deals can be cheaper, but it's risky. It's best to book flights to Portland Maine in advance to avoid disappointment. KLM usually have the lowest prices, so keep an eye out for their flights. Flights from London to Portland Maine generally take about 16 hrs 30 mins.
Today alone, we’ve scanned 49 flights worldwide to bring you the best flight deals in one place. Did you know you can also compare hotel and car hire prices in the USA with Netflights? Take a look to get an idea of prices in Portland Maine.