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£356 Cheap Flights from Lisbon (LIS) to Philadelphia (PHL)

View £356 flight on Tue, 26 Jan 2027Opens in a new window

Popular airlines from Humberto Delgado Airport (LIS) to Philadelphia International Airport (PHL)

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

Prices were available within the past 7 days and start at £356 for one-way flights and £610 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, 10 Sept - Thu, 17 Sept
LIS
Lisbon
PHL
Philadelphia
£610 Return, found 3 days ago
£610
Return
found 3 days ago
Select Aer Lingus flight, departing Thu, 10 Sept from Lisbon to Philadelphia, returning Thu, 17 Sept, priced at £610 found 3 days ago
Aer Lingus
Mon, 14 Sept - Mon, 21 Sept
LIS
Lisbon
PHL
Philadelphia
£614 Return, found 3 days ago
£614
Return
found 3 days ago
Select Aer Lingus flight, departing Mon, 14 Sept from Lisbon to Philadelphia, returning Mon, 21 Sept, priced at £614 found 3 days ago
Iberia
Fri, 13 Nov - Sat, 21 Nov
LIS
Lisbon
PHL
Philadelphia
£626 Return, found 5 days ago
£626
Return
found 5 days ago
Select Iberia flight, departing Fri, 13 Nov from Lisbon to Philadelphia, returning Sat, 21 Nov, priced at £626 found 5 days ago
Iberia
Fri, 13 Nov - Sat, 21 Nov
LIS
Lisbon
PHL
Philadelphia
£628 Return, found 5 days ago
£628
Return
found 5 days ago
Select Iberia flight, departing Fri, 13 Nov from Lisbon to Philadelphia, returning Sat, 21 Nov, priced at £628 found 5 days ago
Iberia
Fri, 13 Nov - Sat, 21 Nov
LIS
Lisbon
PHL
Philadelphia
£630 Return, found 5 days ago
£630
Return
found 5 days ago
Select Iberia flight, departing Fri, 13 Nov from Lisbon to Philadelphia, returning Sat, 21 Nov, priced at £630 found 5 days ago
Iberia
Mon, 14 Sept - Mon, 21 Sept
LIS
Lisbon
PHL
Philadelphia
£634 Return, found 3 days ago
£634
Return
found 3 days ago
Select Iberia flight, departing Mon, 14 Sept from Lisbon to Philadelphia, returning Mon, 21 Sept, priced at £634 found 3 days ago
Iberia
Sun, 7 Feb - Fri, 26 Feb
LIS
Lisbon
PHL
Philadelphia
£635 Return, found 4 days ago
£635
Return
found 4 days ago
Select Iberia flight, departing Sun, 7 Feb from Lisbon to Philadelphia, returning Fri, 26 Feb, priced at £635 found 4 days ago
TAP Portugal
Wed, 16 Sept - Wed, 23 Sept
LIS
Lisbon
PHL
Philadelphia
£661 Return, found 3 days ago
£661
Return
found 3 days ago
Select TAP Portugal flight, departing Wed, 16 Sept from Lisbon to Philadelphia, returning Wed, 23 Sept, priced at £661 found 3 days ago
Air France
Wed, 16 Sept - Wed, 23 Sept
LIS
Lisbon
PHL
Philadelphia
£688 Return, found 3 days ago
£688
Return
found 3 days ago
Select Air France flight, departing Wed, 16 Sept from Lisbon to Philadelphia, returning Wed, 23 Sept, priced at £688 found 3 days ago
Lufthansa
Mon, 14 Sept - Mon, 21 Sept
LIS
Lisbon
PHL
Philadelphia
£690 Return, found 3 days ago
£690
Return
found 3 days ago
Select Lufthansa flight, departing Mon, 14 Sept from Lisbon to Philadelphia, returning Mon, 21 Sept, priced at £690 found 3 days ago

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Philadelphia Intl. PHL. Cheapest and Closest option available. Average driving time to city centre is 17 minutes. Flights from £1,446
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city centre17 min
Flights from £1,446

Find the cheapest month to fly from Lisbon (LIS) to Philadelphia (PHL)

April is typically the cheapest month to fly

From £496 - £697 per traveller.

Frequently asked questions

How much does a flight from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.) cost?
You can find cheap one-way flights from £356 and cheap return flights from £610 LIS to PHL with Expedia. One-way flights typically cost between £566 and £2390. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when LIS to PHL ticket fares go up or down.
What is the cheapest month to fly from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The cheapest months to fly from LIS to PHL are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.)?
Only one airline offers direct flights from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.). American Airlines operates 7 direct flights from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.) every week.
How do I find cheap flights from Lisbon (LIS) to Philadelphia, PA (PHL)?
To find a cheap flight from Lisbon (LIS) to Philadelphia, PA (PHL), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The best airline to fly with from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. TAP Portugal offers the most daily flights from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The earliest flight from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.) typically departs around 5:00 AM. This service is seasonal, active only in June, and is operated by airlines such as KLM and Delta. An early departure like this can be great for maximising your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.)?
When flying from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.), you'll cover a distance of approximately 5,552 kilometres (3,450 miles). A direct, non-stop flight typically takes around 7 hours 48 minutes. If you opt for a flight with one stop, your journey will usually be longer, taking about 14 hours 18 minutes. Flights with two or more stops will extend your travel time further, often around 22 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility in your travel plans.
Can you fly business or first class from Lisbon (LIS) to Philadelphia, PA (PHL)?
Select the "Business class" and "First class" filters when looking for Lisbon (LIS) to Philadelphia, PA (PHL) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.) flight with Expedia?
It's easy to earn miles on a Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Philadelphia, PA (PHL) from Lisbon (LIS)?
If you're planning to travel to Philadelphia from Humberto Delgado (LIS), you can fly directly into Philadelphia Intl. (PHL) which offers international flights and connections. Some flights may connect through major hubs like Adolfo Suarez Madrid-Barajas (MAD), Heathrow (LHR), or Frankfurt Intl. (FRA) before reaching Philadelphia. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.) at the last minute?
Typically, booking a last minute flight from Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.) flight and hotel package?
Securing a Lisbon (LIS-Humberto Delgado) to Philadelphia, PA (PHL-Philadelphia Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lisbon (LIS) to Philadelphia, PA (PHL)?
If you booked your Lisbon (LIS) to Philadelphia, PA (PHL) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Humberto Delgado
Destination airport
Philadelphia Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, British Airways, Finnair, Iberia, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Virgin Atlantic
Return price
£610
Distance
5519 km
Average flight time
7 hours 45 mins

Book with confidence

Compare flights from Lisbon to Philadelphia easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Lisbon to Philadelphia. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Philadelphia Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Humberto Delgado to Philadelphia Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Humberto Delgado (LIS) to Philadelphia Intl. (PHL)

The easiest way to view the best deals on flights from Lisbon to Philadelphia today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Humberto Delgado to Philadelphia Intl. start at just £610 and range up to £690.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Lisbon and Philadelphia
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Lisbon to Philadelphia flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Humberto Delgado to Philadelphia Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Lisbon to Philadelphia easily and book with confidence

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*Available to Expedia members.