Question : Do prices fluctuate more for this route than others?
Answer : Flight prices are fluctuating much less for this route than most routes from Portugal, as they're ranging from $2,890 to $3,262. However, the sooner you book, the more you'll be able to save.
Question : Over the coming months, which airline is getting their passengers to Portland International Jetport (PWM) round-trip the cheapest?
Answer : American Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $2,890, while prices for other flights are as high as $3,262.
Question : How many days should you spend in Portland?
Answer : Passengers from LIS to PWM stay about one week on average.
Question : Can you cut down on flight costs by changing the day of the week you travel to Portland?
Answer : For the month of March, Saturday is your cheapest day to fly. Being flexible with your travel days garners even more savings during booking.