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$337+ Cheap flights from Lisbon (LIS) to Philadelphia (PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PHL
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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Find cheap flights from Lisbon to Philadelphia with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Philadelphia are usually found in February or December, booked 75 days in advance, depart on a Monday or Saturday and return on a Tuesday

Cheap flight deals from Lisbon to Philadelphia

Cheapest flights from Lisbon to Philadelphia
Explore the most affordable flight options available from Lisbon to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.

This American Airlines deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:55 amLIS - PHL
Nonstop7h 45mAmerican Airlines
Sat 1/246:35 pmPHL - LIS
1 stop18h 20mAmerican Airlines
Deal found 12/8$807
This United Airlines deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:55 amLIS - PHL
1 stop32h 55mUnited Airlines
Sat 1/2410:10 amPHL - LIS
2 stops17h 00mUnited Airlines
Deal found 12/8$822
This Cheapflightsfares deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:30 amLIS - PHL
1 stop14h 05mMultiple Airlines
Sat 1/246:35 pmPHL - LIS
1 stop15h 15mMultiple Airlines
Deal found 12/8$827
This American Airlines deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:05 amLIS - PHL
Nonstop7h 45mAmerican Airlines
Mon 12/157:51 pmPHL - LIS
1 stop18h 04mAmerican Airlines
Deal found 12/7$900
This Travelis deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:30 amLIS - PHL
2 stops16h 26mAir France
Tue 12/165:36 pmPHL - LIS
1 stop9h 24mAir France
Deal found 12/7$902
This Priceline deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:05 amLIS - PHL
Nonstop7h 45mBritish Airways
Mon 12/159:20 pmPHL - LIS
Nonstop6h 45mBritish Airways
Deal found 12/7$913
This American Airlines deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:45 pmLIS - PHL
1 stop25h 44mAmerican Airlines
Wed 12/107:05 pmPHL - LIS
Nonstop6h 50mAmerican Airlines
Deal found 12/6$921
This Travelis deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:00 amLIS - PHL
2 stops16h 56mKLM
Tue 12/1610:32 amPHL - LIS
2 stops16h 28mKLM
Deal found 12/7$923
This Delta deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:30 amLIS - PHL
2 stops21h 07mDelta
Mon 12/1510:15 amPHL - LIS
1 stop16h 45mDelta
Deal found 12/7$927
This KLM deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/63:30 pmLIS - PHL
2 stops30h 26mKLM
Wed 12/105:36 pmPHL - LIS
1 stop9h 24mKLM
Deal found 12/6$934

Find flight deals from Lisbon to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$669
(Trip.com)

One-way from

$337
(Kiwi.com)

Popular in

September

Cheapest in

February

Average price

$758

Good round-trip deal

$811 or less

Good one-way deal

$551 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Philadelphia flights.
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From Lisbon Humberto Delgado to Philadelphia
Search Deals
One-way flight from Lisbon Humberto Delgado to Philadelphia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($208 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Lisbon Humberto Delgado to Philadelphia.
Search Deals
Price to beat on a one-way flight from Lisbon Humberto Delgado to Philadelphia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lisbon to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
Use the filters below to find and compare flights from Lisbon to Philadelphia that are best for you.

Fly from

Lisbon

Fly to

Philadelphia

Route

Depart

Return

Price

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Mon 1/12

7:40 am-1:14 am

2 stops22h 34m

Philadelphia

Sun 1/18

12:06 pm-3:15 pm

2 stops22h 09m

$686

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 1/21

9:05 pm-3:35 pm

1 stop23h 30m

Philadelphia

Wed 1/28

7:55 pm-4:05 pm

1 stop15h 10m

$769

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 4/7

11:35 am-12:42 am

2 stops18h 07m

Philadelphia

Sun 4/19

8:30 pm-9:00 am

1 stop31h 30m

$769

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 1/20

5:40 pm-3:35 pm

1 stop26h 55m

Philadelphia

Tue 1/27

7:55 pm-8:05 pm

1 stop19h 10m

$780

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Fri 5/15

7:25 am-4:00 pm

1 stop13h 35m

Philadelphia

Tue 5/19

3:20 pm-9:20 am

1 stop13h 00m

$785

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 1/22

5:00 am-4:05 pm

1 stop16h 05m

Philadelphia

Thu 1/29

6:30 am-9:20 am

2 stops21h 50m

$795

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 1/21

5:00 am-6:54 pm

2 stops18h 54m

Philadelphia

Wed 1/28

6:30 am-8:10 am

2 stops20h 40m

$798

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 1/20

8:05 pm-4:49 pm

2 stops49h 44m

Philadelphia

Tue 1/27

2:58 pm-5:35 am

1 stop33h 37m

$803

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 2/4

6:30 am-7:57 pm

3 stops42h 27m

$345

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 2/5

8:15 pm-4:49 pm

2 stops49h 34m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 17 results
1
2

Compare providers for flights from Lisbon to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to Philadelphia in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lisbon-Philadelphia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lisbon-Philadelphia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lisbon-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lisbon-Philadelphia flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lisbon to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Lisbon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Lisbon to Philadelphia

How far ahead should I book a flight from Lisbon to Philadelphia?

Use this chart to determine the optimal time to book a round-trip flight from Lisbon to Philadelphia. Price data was last updated on December 5, 2025.

Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Lisbon to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Lisbon to Philadelphia?

Currently, January is the cheapest month in which you can book a flight from Lisbon to Philadelphia (average of $415). Flying from Lisbon to Philadelphia in August is currently the most expensive (average of $573). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LIS to PHL?

Find hourly flight availability from Lisbon to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 8, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Lisbon to Philadelphia as you normally would.

The best insider tips for Lisbon to Philadelphia flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Lisbon to Philadelphia trip
Airports
LIS

Expect long lines at immigration for non-Schengen flights, especially in the morning and early afternoon.

Read more about LISby Ramsey Qubein
PHL

For a quick trip to downtown Philadelphia, SEPTA trains are efficient and accessible from multiple terminals.

Read more about PHLby Mark Chesnut
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut

Mark Chesnut

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LIS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated December 8, 2025.
Read reviews from past customers who have flown Iberia and British Airways from Lisbon to Philadelphia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Iberia
7.0
Good
3,042 reviews

Food

6.3

Entertainment

6.6

Overall

7.0

Boarding

7.2

Crew

7.7

Comfort

6.7

Reviews

1 / 20
4.0
Okay

Anonymous,Nov 2025

MAD - ORD

Worst customer service, at a check in lady could not find our reservation at all. End it up as buying brand new ticket to be able to fly with other family members. Very disappointed.
Iberia
7.0
Good
3,042 reviews
Iberia
7.0
Good
3,042 reviews

Food

6.3

Entertainment

6.6

Overall

7.0

Boarding

7.2

Crew

7.7

Comfort

6.7

Reviews

1 / 20
4.0
Okay

Anonymous,Nov 2025

MAD - ORD

Worst customer service, at a check in lady could not find our reservation at all. End it up as buying brand new ticket to be able to fly with other family members. Very disappointed.
British Airways
6.7
Okay
7,566 reviews
Iberia
7.0
Good
3,042 reviews

Food

6.3

Entertainment

6.6

Overall

7.0

Boarding

7.2

Crew

7.7

Comfort

6.7

Reviews

1 / 20
4.0
Okay

Anonymous,Nov 2025

MAD - ORD

Worst customer service, at a check in lady could not find our reservation at all. End it up as buying brand new ticket to be able to fly with other family members. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from Lisbon to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Lisbon to Philadelphia?

    If you wish to fly to Philadelphia from Lisbon, then you need to book flights from Lisbon Humberto Delgado to Philadelphia. There are 3 flights from Humberto Delgado (LIS) to Philadelphia (PHL) per day to choose from. Flights to Philadelphia from Humberto Delgado are available from 2 different airlines, which means you should have some options if you want to compare airfare deals. 7h 30m is how long a nonstop flight from Lisbon to Philadelphia typically takes.

  • How popular is this Lisbon to Philadelphia flight route?

    Flights from Lisbon Humberto Delgado to Philadelphia have been viewed 3 times in the past calendar month.

  • How long is the flight from Lisbon to Philadelphia?

    For as low as $769, Iberia can have you in Philadelphia from Lisbon in 23h 30m. There are 3447 mi between Lisbon and Philadelphia.

  • What are the cheapest airlines flying from Lisbon to Philadelphia round-trip?

    According to our current data, Iberia ($680), and British Airways ($696) offers the cheapest pricing from Lisbon to Philadelphia. Iberia is 28% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Lisbon to Philadelphia one-way?

    The cheapest airlines for a one-way flight from Lisbon to Philadelphia are Iberia ($490), Aer Lingus ($501), and Finnair ($580).

  • What are the most reliable airlines from Lisbon to Philadelphia?

    The top 3 most reliable airlines when flying from Lisbon to Philadelphia are Finnair (85%), American Airlines (83%) and Iberia (83%).

  • What are the cheapest flights from Lisbon to Philadelphia?

    The cheapest flight price from Lisbon to Philadelphia is $468. On average you can expect to pay $1,027. The most popular route, (Lisbon Humberto Delgado - Philadelphia), can usually be booked for $669.

  • Can I find deals for flights from Lisbon to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Lisbon to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lisbon to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Philadelphia.

  • Can I find deals for business class flights from Lisbon to Philadelphia?

    Yes. Cheapflights offers flight deals from Lisbon to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Lisbon to Philadelphia?

    Currently, January is the cheapest month in which you can book a flight from Lisbon to Philadelphia (average of $415). Flying from Lisbon to Philadelphia in August is currently the most expensive (average of $573). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Pottstown
King of Prussia
Reading
Ocean City
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Newark
Millville
Chester

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Lisbon to Philadelphia

Discover the top 2 airlines that operate flights from Lisbon to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$680Average$966FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$696Average$939FlexibilityNo cancel feeOn-time70%

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