$428 Find Cheap Flights from Porto to Philadelphia - Compare and Save

Only Economy Class is available on flights from Porto to Philadelphia.

A nonstop flight from Porto to Philadelphia takes 00m, covering 3,403 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Porto to Philadelphia range from $823 to $1,026, with an average of $881 over the past 12 months. Anything below $823 counts as a good deal.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $85–$85 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $776 to $1,415. That means the highest observed fare was about 82% higher than the lowest one.

One-way fares from Porto to Philadelphia are currently lower than usual. Average one-way flight prices are about $655, which is 18% below the typical average for this route.

Philadelphia Airport (PHL) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include:

• Payless
• Dollar
• Hertz
• Thrifty
• Alamo

Flights from Porto to Philadelphia usually depart from Porto (OPO) and arrive at Philadelphia (PHL).

Connecting flights from Porto to Philadelphia most commonly pass through:

• Madrid Barajas (MAD) - 88% of one-stop connections
• Frankfurt am Main (FRA) - 13% of one-stop connections

Yes. Flexible dates can save you up to 67% on flights from Porto to Philadelphia. Thursday is the cheapest departure day at $823 round-trip on average, while Friday is the most expensive at $2,436, a difference of $1,613.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Madrid Barajas (MAD) gives the shortest average 1-stop total travel time at 11h 49m, compared with 13h 49m via Frankfurt am Main (FRA).

Philadelphia is 4 hours behind Porto (Eastern Time vs Western European Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Philadelphia are Philadelphia Convention Center, Rittenhouse Square and Philadelphia Stadium. These are among the most viewed places in Philadelphia on KAYAK.

Among airlines operating Porto to Philadelphia flights:

• American Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• American Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.