We've gone through lots of different flights, to help you find the cheapest way to get from London City Airport to Portland Maine. You can choose from three airlines. At the moment, 30 / Aug / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.
KLM is the most popular airline that flies from London City Airport to Portland Maine. But it's still worth looking at other options, as there are 25 flights to Portland Maine every week. If you want to broaden your search, look at flights departing from other airports.
Your flight from London City Airport to Portland Maine will take at least 16 hrs 55 mins. On average, it takes 18 hrs 15 mins to fly the 5146 km distance. 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.
