Scroll through the results for cheap flights to Portland Maine in the USA. To get the best deal, we'd advise booking in advance, particularly if you want to fly with a specific airline. The most popular airlines are Virgin Atlantic, Aer Lingus & American Airlines, but that doesn't necessarily mean they're the cheapest. Check your dates and see.
If you don’t have set dates for when you want to fly to Portland Maine, try searching by month – that way, you can compare airfares throughout the year.
71 direct and indirect flights go to Portland Maine every week and we scan them all. Today alone, we've compared 76 flights worldwide, so you're bound to find one that works for you. Look out for flights with Delta Air Lines, as they often have good deals. Or broaden your search by looking at other airports in the USA.
You can also broaden your search by looking at more than one departure airport. Have a look around – you might be able to save by flying from a different airport or city.