Question : Do prices fluctuate more for this route than others?
Answer : Flight prices are fluctuating more for this route than the majority of routes from the United States, as they're ranging from $582 to $1,112. The further out you book a route, the more likely you are to save.
Question : How many days should you spend in Porto?
Answer : Passengers from BHM to OPO stay about one week on average.
Question : Will you do what it takes to get the absolute cheapest flight?
Answer : In March, the cheapest day to fly is Friday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.