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Cheap Flights from Philadelphia (PHL) to Lisbon (LIS)

Compare Philadelphia International to Lisbon flight deals

Find the cheapest month or even day of the year to fly to Lisbon

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Flight deals from Philadelphia International to Lisbon

Looking for a cheap last-minute deal or the best return flight from Philadelphia International Airport to Lisbon Airport? If you want to travel next month, return fares start from $1,329. Find the lowest prices on one-way and return tickets right here.
Lisbon.$1,080 per passenger.Departing Tue, 16 Mar, returning Tue, 30 Mar.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Tue, 16 Mar, arriving in Lisbon.Inbound indirect flight with United, departs from Lisbon on Tue, 30 Mar, arriving in Philadelphia International.Price includes taxes and charges.From $1,080, select.
Lisbon.$1,080 per passenger.Departing Tue, 12 Jan, returning Tue, 26 Jan.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Tue, 12 Jan, arriving in Lisbon.Inbound indirect flight with United, departs from Lisbon on Tue, 26 Jan, arriving in Philadelphia International.Price includes taxes and charges.From $1,080, select.
Lisbon.$1,080 per passenger.Departing Tue, 16 Feb, returning Tue, 2 Mar.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Tue, 16 Feb, arriving in Lisbon.Inbound indirect flight with United, departs from Lisbon on Tue, 2 Mar, arriving in Philadelphia International.Price includes taxes and charges.From $1,080, select.
Lisbon.$1,084 per passenger.Departing Tue, 13 Apr, returning Tue, 27 Apr.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Tue, 13 Apr, arriving in Lisbon.Inbound indirect flight with United, departs from Lisbon on Tue, 27 Apr, arriving in Philadelphia International.Price includes taxes and charges.From $1,084, select.
Lisbon.$1,086 per passenger.Departing Sun, 6 Dec, returning Tue, 15 Dec.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Sun, 6 Dec, arriving in Lisbon.Inbound indirect flight with United, departs from Lisbon on Tue, 15 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $1,086, select.
Lisbon.$1,089 per passenger.Departing Tue, 20 Oct, returning Tue, 10 Nov.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Tue, 20 Oct, arriving in Lisbon.Inbound indirect flight with United, departs from Lisbon on Tue, 10 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $1,089, select.
Lisbon.$1,090 per passenger.Departing Tue, 24 Nov, returning Tue, 8 Dec.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Tue, 24 Nov, arriving in Lisbon.Inbound indirect flight with United, departs from Lisbon on Tue, 8 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $1,090, select.
Lisbon.$1,091 per passenger.Departing Tue, 3 Nov, returning Tue, 10 Nov.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Tue, 3 Nov, arriving in Lisbon.Inbound indirect flight with United, departs from Lisbon on Tue, 10 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $1,091, select.
Lisbon.$1,092 per passenger.Departing Tue, 16 Feb, returning Tue, 23 Feb.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Tue, 16 Feb, arriving in Lisbon.Inbound indirect flight with United, departs from Lisbon on Tue, 23 Feb, arriving in Philadelphia International.Price includes taxes and charges.From $1,092, select.
Lisbon.$1,097 per passenger.Departing Tue, 26 Jan, returning Tue, 2 Feb.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Tue, 26 Jan, arriving in Lisbon.Inbound indirect flight with United, departs from Lisbon on Tue, 2 Feb, arriving in Philadelphia International.Price includes taxes and charges.From $1,097, select.
Lisbon.$1,102 per passenger.Departing Wed, 9 Dec, returning Fri, 25 Dec.Return flight with Iberia.Outbound direct flight with Iberia departs from Philadelphia International on Wed, 9 Dec, arriving in Lisbon.Inbound direct flight with Iberia departs from Lisbon on Fri, 25 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $1,102, select.
Lisbon.$1,102 per passenger.Departing Wed, 14 Apr, returning Wed, 21 Apr.Return flight with Finnair.Outbound direct flight with Finnair departs from Philadelphia International on Wed, 14 Apr, arriving in Lisbon.Inbound direct flight with Finnair departs from Lisbon on Wed, 21 Apr, arriving in Philadelphia International.Price includes taxes and charges.From $1,102, select.
Lisbon.$1,112 per passenger.Departing Sun, 29 Nov, returning Fri, 4 Dec.Return flight with Iberia.Outbound direct flight with Iberia departs from Philadelphia International on Sun, 29 Nov, arriving in Lisbon.Inbound direct flight with Iberia departs from Lisbon on Fri, 4 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $1,112, select.
Lisbon.$1,112 per passenger.Departing Wed, 24 Feb, returning Fri, 26 Feb.Return flight with British Airways.Outbound direct flight with British Airways departs from Philadelphia International on Wed, 24 Feb, arriving in Lisbon.Inbound direct flight with British Airways departs from Lisbon on Fri, 26 Feb, arriving in Philadelphia International.Price includes taxes and charges.From $1,112, select.
Lisbon.$1,112 per passenger.Departing Tue, 3 Nov, returning Fri, 13 Nov.Return flight with Iberia.Outbound direct flight with Iberia departs from Philadelphia International on Tue, 3 Nov, arriving in Lisbon.Inbound direct flight with Iberia departs from Lisbon on Fri, 13 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $1,112, select.
Lisbon.$1,115 per passenger.Departing Wed, 2 Sep, returning Wed, 9 Sep.Return flight with jetBlue and Iberia.Outbound indirect flight with jetBlue, departs from Philadelphia International on Wed, 2 Sep, arriving in Lisbon.Inbound indirect flight with Iberia, departs from Lisbon on Wed, 9 Sep, arriving in Philadelphia International.Price includes taxes and charges.From $1,115, select.

Find the cheapest month to fly from Philadelphia International to Lisbon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia International to Lisbon flights are currently cheapest in January.
Jul
from $2,559
Aug
from $1,329
Sep
from $1,115
Oct
from $1,243
Nov
from $1,091
Dec
from $1,086
Jan
from $1,080
Feb
from $1,092
Mar
from $1,080
Apr
from $1,084
May
from $1,238
Jun
from $2,076

Direct flights from Philadelphia International to Lisbon

Philadelphia International to Lisbon: Alternative routes

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

Lisbon

8km from central Lisbon
ClosestCheapest
from $1,080
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Cascais Municipal Aerodrome

19km from central Lisbon
Search flights

Philadelphia to Lisbon: Flight information

The things to know before you go.
Cheapest flight found$1,080
Cheapest month to flyFebruary
Average flight time6 hrs, 53 mins
Most popular airlineFinnair
Average flights per week33

Finding cheap flights from Philadelphia International to Lisbon: Frequently asked questions

The best price we found for a return flight from Philadelphia International to Lisbon is $1,080. 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 53 minutes is the average flight time from Philadelphia International to Lisbon.
Finnair, American Airlines and Iberia fly direct from Philadelphia International to Lisbon.
As of July 2026, there are 33 flights per week flying from Philadelphia International to Lisbon.
The cheapest month to fly from Philadelphia International to Lisbon is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to Lisbon Airport on Tuesday, 16 February 2027.
Yes – the average flight time is 6 hours and 53 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.

Currently, United and Finnair offer the cheapest flight tickets to Lisbon.

Flying from Philadelphia International Airport (PHL) to Lisbon Airport (LIS): what you need to know

  • Around 6 hours 45 minutes is how long you can expect to be in the air on a direct flight from Philadelphia International Airport to Lisbon Airport.

  • Lisbon is five hours ahead of Philadelphia and observes the UTC+0 timezone.

  • Flights from PHL to LIS start at 19:00 — the earliest with American Airlines. The latest departure is at 22:45 with American Airlines. In total, you can choose from seven weekly Philadelphia International Airport to Lisbon Airport flights.

  • Your PHL to LIS flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • During popular months like August, it's a good idea to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're flying during a high season in general.

  • Getting to Lisbon (and then discovering more of Portugal!) is a cinch with American Airlines. This popular airline has direct flights from Philadelphia International Airport to Lisbon Airport.

  • The majority of travellers choose to fly with American Airlines on this route.

  • American Airlines is the most punctual carrier offering PHL to LIS flights. A dependable 83.05% of its departures on this route arrive on time.

  • Consider adding a stopover when booking your ticket from Philadelphia International Airport to Lisbon Airport. Just deselect 'Direct flights only' to break up your trip, or even explore someplace new along the way. Check out these options between PHL and LIS:

    • London Heathrow Airport

    • Madrid Airport

    • Boston Logan International Airport

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

  • The lowest price we've seen for a one-way Philadelphia International Airport to Lisbon Airport flight is $485. A round-trip plane ticket right now is $1,080. Depending on the availability when you book, these fares can change.

  • Book one month before flying. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from PHL to LIS.

  • Plan your trip for June. That's the cheapest month for flights from Philadelphia International Airport to Lisbon Airport. If you're flexible with your dates, use the 'Whole month' tool to see the cheapest airfare across each month.

  • There's no need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll let you know the moment there's a better deal on cheap flights from PHL to LIS.

  • Tailor your trip with filters. Choose your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Philadelphia International Airport to Lisbon Airport.

Handy information about Philadelphia International Airport (PHL)

  • You'll find PHL at 8500 Essington Ave.

  • Of all flights departing from Philadelphia International Airport, 77% arrive on time at their destination.

  • To get to Philadelphia International Airport from central Philadelphia, it takes about 20 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 18 kilometres from the airport to the city centre.

  • The journey when using public transport typically takes 30 minutes.

  • Get your holiday off to a hassle-free start by staying near PHL. Whether you've booked an early flight from Philadelphia International Airport to Lisbon Airport or just don't like being rushed, these hotels are perfect:

Arriving at Lisbon Airport (LIS)

  • The last thing you need is a long trip to your hotel if you're landing late on a Philadelphia International Airport to Lisbon Airport flight. Book one of these accommodation options near LIS instead:

  • Get on the fast track to adventure by picking up a Lisbon Airport rental car. Grab your wheels from Klass Wagen, Goldcar or OK Mobility and explore beyond Lisbon's usual tourist stops.

  • To get the lowest price, book your ride from Lisbon Airport around two weeks before travelling.

When to fly to Lisbon Airport (LIS)

  • It's time to choose your travel dates for your flight from Philadelphia International Airport to Lisbon Airport. August is the most popular month to visit Lisbon. If you want a more relaxed vibe, go in March.

  • When booking your flight from Philadelphia International Airport to Lisbon Airport, consider the type of weather you like. August is the warmest month in Lisbon, with temperatures ranging from 16ºC (61ºF) to 29ºC (84ºF).

  • If you like cooler conditions, look for a cheap ticket from PHL to LIS in January. Average temperatures are between 8ºC (46ºF) and 16ºC (61ºF) then.

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 best attractions include Ribeira District, Rio Douro and Livraria Lello.

  • Amadora is another sought-after destination in Portugal and is around 8 kilometres north-west of Lisbon. No trip is complete without dropping by Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.

Plan smart, explore more

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Plan the rest of your trip from Philadelphia to Lisbon

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.