$824 Find cheap flights from Portugal to Portland, Maine

There are 3 miles between Portland city center and Portland.

There is only 1 airport in Portland, called Portland (PWM). It can also be referred to as Portland or Portland Intl Jetport.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Portland.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portland is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Portland with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Of the 8 airlines that fly to Portland, Maine, United Airlines offers the most flights, with around 110 per week, followed by American Airlines with 103 flights per week.