Cheap Flights from Philadelphia to Lisbon

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Flight deals from Philadelphia to Lisbon

Looking for a cheap last-minute deal or the best return flight from Philadelphia to Lisbon? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Philadelphia to Lisbon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia to Lisbon flights are currently cheapest in March.

Direct flights from Philadelphia to Lisbon

Philadelphia to Lisbon: Alternative routes

Compare routes from Philadelphia to Lisbon below. You may find an airport to fly into that's cheaper, faster, or easier than Lisbon.

Philadelphia to Lisbon: Flight information

The things to know before you go.
Cheapest flight foundRs74,155
Cheapest month to flyMarch
Average flight time6 hrs, 48 mins
Most popular airlineAmerican Airlines
Average flights per week69

Finding cheap flights from Philadelphia to Lisbon: Frequently asked questions

The best price we found for a return flight from Philadelphia to Lisbon is Rs155,980. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
6 hours and 48 minutes is the average flight time from Philadelphia to Lisbon.
American Airlines, Finnair and Iberia fly direct from Philadelphia to Lisbon.
As of February 2026, there are 69 flights per week flying from Philadelphia to Lisbon.
The cheapest month to fly from Philadelphia to Lisbon is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Lisbon Airport on Tuesday, 3 March 2026.
Yes – the average flight time is 6 hours and 48 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Lisbon but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Philadelphia to Lisbon Portela Airport (LIS): What you need to know

  • Philadelphia International Airport (PHL) is Philadelphia's main airport. Check out your options for reserving a flight from Philadelphia to Lisbon Portela Airport (LIS) jetting off from here.

  • Expect to be travelling for 6 hours 50 minutes. That's the average journey time for a direct Philadelphia to Lisbon Portela Airport flight.

  • The timezone in Lisbon is UTC+0, which is four hours ahead of Philadelphia. Lisbon Portela Airport is located in Lisbon.

  • Philadelphia International Airport (PHL) to Lisbon Portela Airport (LIS) is the most popular route, with 7 direct services every week. You can get from PHL to LIS on American Airlines's 7pm flight.

  • To ensure you catch your flight from Philadelphia to LIS, leave plenty of time to check in and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • Longer lines at check-in and security are likely if you're flying during high season, so give yourself some extra wiggle room. The recommendation for peak times? Arrive up to four hours early for international flights and two hours for domestic departures.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • You can find a direct flight from Philadelphia to Lisbon Portela Airport (LIS) leaving from Philadelphia International Airport (PHL).

  • American Airlines is a leading airline that operates direct flights from Philadelphia to Lisbon Portela Airport departing from PHL.

  • The preferred choice for passengers flying between PHL and LIS is American Airlines.

  • American Airlines ranks as the top on-time carrier on this route, with 81.36% of services landing on schedule.

  • Consider adding a stopover to find cheap flights from Philadelphia to LIS. Simply deselect 'Direct flights only' when browsing departures from Philadelphia International Airport (PHL). Make a stop (and maybe make your fare cheaper) by passing through one of these airports:

    • London Heathrow Airport (LHR)

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

    • Logan International Airport (BOS)

  • Located around 19 kilometres from the centre of Philadelphia, PHL can be reached in about 15 minutes by car (depending on traffic). The journey by public transport takes roughly 45 minutes.

  • Looking for a comfortable hotel near Philadelphia International Airport? If you've booked an early flight from Philadelphia to Lisbon Portela Airport, these accommodation options will have you sleeping moments from check-in:

  • Of all flights departing from Philadelphia International Airport, 78.93% land on time at their destination.

  • PHL's address is 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • You can arrive at TTN from the centre of Philadelphia in about 40 minutes by car (depending on traffic conditions). The journey on public transport will take roughly 1 hour 45 minutes to cover the 56 kilometres or so.

  • Want to treat yourself to an extra night away before catching your Philadelphia to LIS flight? Kick back in a hotel near Trenton-Mercer Airport before your break officially starts. These stays have a room with your name on it:

  • Trenton-Mercer Airport is known for its commitment to punctuality. 82.45% of flights departing here arrive right when they're supposed to.

  • TTN is located at Scotch Road, Terminal Building.

About Lisbon Portela Airport (LIS)

  • If you're arriving on a late flight from Philadelphia to Lisbon Portela Airport, nothing beats the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and relaxing soon after at one of these hotels near LIS:

  • Say yes to new adventures by picking up a Lisbon Portela Airport rental car. Grab your wheels from Klass Wagen, Goldcar or OK Mobility and explore beyond Lisbon's main sights.

  • Lock in the best deal by reserving your vehicle around two weeks before your Philadelphia to Lisbon Portela Airport flight.

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Central Lisbon is around 6 kilometres from Lisbon Portela Airport. Journey times by car hire or cab will vary depending on traffic conditions, so do a little research before your trip.

  • When travelling on public transport, expect a journey of around 1 hour.

How to find the cheapest flights from Philadelphia to Lisbon Portela Airport (LIS)

  • Right now, Rs74,155 is the lowest price we've found for a one-way ticket from Philadelphia to Lisbon Portela Airport. The cheapest price for a return flight is Rs155,980. Keep in mind fares may change due to availability at the time of booking.

  • To score cheap flights from Philadelphia to LIS, book your ticket one month ahead of your departure date.

  • June is when you're most likely to find a bargain on a Philadelphia to Lisbon Portela Airport ticket. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Finding a cheap flight ticket from Philadelphia to LIS is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as a better deal is available.

  • Save on your flight from Philadelphia to Lisbon Portela Airport by using filters. Choose your ideal times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Philadelphia to Lisbon Portela Airport (LIS)

  • It's time to figure out when to book your flight from Philadelphia to Lisbon Portela Airport (LIS). June is the busiest month to visit Lisbon. If you like things a bit more low-key, head there in February.

  • Before locking in your Philadelphia to LIS flight ticket, consider what kind of weather works for you. August is the warmest month in Lisbon, with temperatures ranging from 16ºC to 29ºC.

  • If you want cooler conditions, search for a cheap ticket from Philadelphia to Lisbon Portela Airport in January when temperatures are between 8ºC and 16ºC.

More about Lisbon

  • After booking your flight from Philadelphia to Lisbon Portela Airport, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring Lisbon:

  • There are so many things to see and do in this city, it can be hard to work out where to begin. Belém, Pasteis de Belém and Real Mosteiro de Santa Maria de Belém are top attractions which should feature on any good Lisbon itinerary.

Explore more of Portugal

  • Porto is just one of the many places in Portugal waiting to be discovered once you've seen the sights of Lisbon. Around 274 kilometres away to the north, its top attractions include Ribeira District, Rio Douro and Livraria Lello.

  • Coimbra is another sought-after destination in Portugal and is around 177 kilometres north of Lisbon. No journey is complete without experiencing Biblioteca Joanina, Old Cathedral of Coimbra (Se Velha de Coimbra) and Mesquita de Coimbra.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.