Cheap Flights from Lisbon to Philadelphia from $447

Frequently Asked Questions

• What are the cheapest flights from Lisbon to Philadelphia (LIS-PHL)?

  Based on Trip.com data, Ryanair offers one-way fares as low as $447 on Cheapest nonstop routes (e.g. LIS to PHL on Thu, Apr 30), while Finnair offers Cheapest nonstop round-trips from $745 departing on Thu, Apr 23 and returning on Fri, May 1.

• Which airlines offer direct flights from Lisbon to Philadelphia?

  At the moment, you can catch a nonstop flight from Lisbon to Philadelphia with the following airlines, including: American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Lisbon (LIS) to Philadelphia (PHL) and what is the distance?

  It takes around 7 hours 57 minutes to fly from Lisbon (LIS) to Philadelphia (PHL).

• When is the best time to book flights from Lisbon to Philadelphia?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Lisbon to Philadelphia is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Lisbon to Philadelphia?

  Based on Trip.com data in the past 4 weeks, there is 7 flight per week flying from Lisbon to Philadelphia. You can check the weekly schedule for popular airlines on this route below: American Airlines: S/M/T/W/T/F/S -- AA259 (11:24)

• How can I find the best deals on flights from Lisbon to Philadelphia?

  To find best deals on flights from Lisbon to Philadelphia, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Apr 30, with one-way flights priced at just $447.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Philadelphia travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Lisbon (LIS) to Philadelphia (PHL) the cheapest?

  The cheapest months to fly from Lisbon to Philadelphia is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Lisbon to Philadelphia on?

  After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Lisbon to Philadelphia on April 28, 2026 with easyJet, with prices starting at $452.

• Which airports can I fly to for Philadelphia from Lisbon?

  You can land at any one of the following hubs in Philadelphia, with Humberto Delgado Airport to Philadelphia International Airport (LIS-PHL) is by far the most common option on this route: Philadelphia International Airport (PHL) Trenton Mercer Airport (TTN).

• Is there any time difference between Lisbon and Philadelphia?

  The time difference between Philadelphia and Lisbon is 5h.

• How do I change or cancel my ticket from Lisbon to Philadelphia?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.