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$449+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PHL
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Philadelphia are usually found in May or January, booked 23 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$635
(Orbitz)

One-way from

$449
(Kiwi.com)

Popular in

August

Cheapest in

May

Average price

$797

Good round-trip deal

$723 or less

Good one-way deal

$654 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
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One-way flight from Lisbon Humberto Delgado to Philadelphia
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Highest demand for flights based on searches. 10% potential increase in price ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Lisbon Humberto Delgado to Philadelphia.
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Price to beat on a one-way flight from Lisbon Humberto Delgado to Philadelphia.
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Find 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 March 28, 2025.

This Orbitz deal was found by Cheapflights users on 3/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1211:25 amLIS - PHL
1 stop12h 35mAer Lingus
Mon 5/198:30 pmPHL - LIS
1 stop20h 05mAer Lingus
Deal found 3/27$635
This American Airlines deal was found by Cheapflights users on 3/27. 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 5/126:35 amLIS - PHL
1 stop14h 15mAmerican Airlines
Mon 5/197:55 pmPHL - LIS
1 stop22h 15mAmerican Airlines
Deal found 3/27$642
This Finnair deal was found by Cheapflights users on 3/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/126:35 amLIS - PHL
1 stop14h 15mMultiple Airlines
Mon 5/199:15 pmPHL - LIS
Nonstop6h 50mMultiple Airlines
Deal found 3/27$643
This British Airways deal was found by Cheapflights users on 3/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/126:35 amLIS - PHL
1 stop14h 15mBritish Airways
Mon 5/199:15 pmPHL - LIS
Nonstop6h 50mBritish Airways
Deal found 3/27$654
This Iberia deal was found by Cheapflights users on 3/27. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1211:05 amLIS - PHL
Nonstop7h 35mIberia
Mon 5/199:15 pmPHL - LIS
Nonstop6h 50mIberia
Deal found 3/27$657
This KLM deal was found by Cheapflights users on 3/27. 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.
Thu 4/2412:45 pmLIS - PHL
1 stop13h 24mKLM
Tue 5/65:08 pmPHL - LIS
1 stop12h 37mKLM
Deal found 3/27$723
This Delta deal was found by Cheapflights users on 3/27. 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.
Wed 4/235:00 amLIS - PHL
2 stops21h 09mDelta
Mon 5/510:48 amPHL - LIS
2 stops17h 02mDelta
Deal found 3/27$736
This Air France deal was found by Cheapflights users on 3/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2412:45 pmLIS - PHL
2 stops17h 04mAir France
Tue 5/61:24 pmPHL - LIS
2 stops16h 21mAir France
Deal found 3/27$747
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/247:30 amLIS - PHL
2 stops31h 20mUnited Airlines
Tue 5/610:44 amPHL - LIS
2 stops16h 36mUnited Airlines
Deal found 3/27$752
This Lufthansa deal was found by Cheapflights users on 3/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/245:05 amLIS - PHL
1 stop15h 55mLufthansa
Mon 5/55:35 pmPHL - LIS
1 stop23h 30mLufthansa
Deal found 3/27$753
This SWISS deal was found by Cheapflights users on 3/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/245:55 amLIS - PHL
2 stops39h 05mSWISS
Tue 5/610:06 amPHL - LIS
2 stops32h 14mSWISS
Deal found 3/27$762
This Finnair deal was found by Cheapflights users on 3/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:35 amLIS - PHL
1 stop14h 15mFinnair
Sun 5/1810:10 pmPHL - LIS
1 stop19h 50mFinnair
Deal found 3/27$799

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 March 28, 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 5/12

11:25 am-7:00 pm

1 stop12h 35m

Philadelphia

Mon 5/19

8:30 pm-9:35 pm

1 stop20h 05m

$635

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Mon 5/12

6:35 am-3:50 pm

1 stop14h 15m

Philadelphia

Mon 5/19

7:55 pm-11:10 pm

1 stop22h 15m

$642

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Mon 5/12

6:35 am-3:50 pm

1 stop14h 15m

Philadelphia

Mon 5/19

9:15 pm-9:05 am

Nonstop6h 50m

$643

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Mon 5/12

6:35 am-3:50 pm

1 stop14h 15m

Philadelphia

Mon 5/19

9:15 pm-9:05 am

Nonstop6h 50m

$654

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Mon 5/12

11:05 am-1:40 pm

Nonstop7h 35m

Philadelphia

Mon 5/19

9:15 pm-9:05 am

Nonstop6h 50m

$657

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 4/24

12:45 pm-9:09 pm

1 stop13h 24m

Philadelphia

Tue 5/6

5:08 pm-10:45 am

1 stop12h 37m

$723

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 4/23

5:00 am-9:09 pm

2 stops21h 09m

Philadelphia

Mon 5/5

10:48 am-8:50 am

2 stops17h 02m

$736

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 4/24

12:45 pm-12:49 am

2 stops17h 04m

Philadelphia

Tue 5/6

1:24 pm-10:45 am

2 stops16h 21m

$747

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 4/24

7:30 am-9:50 am

2 stops31h 20m

Philadelphia

Tue 5/6

10:44 am-8:20 am

2 stops16h 36m

$752

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 4/24

5:05 am-4:00 pm

1 stop15h 55m

Philadelphia

Mon 5/5

5:35 pm-10:05 pm

1 stop23h 30m

$753

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 19 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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
OneTravelPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-Philadelphia flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 21, 2025.

Booking 23 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, August is the cheapest month in which you can book a flight from Lisbon to Philadelphia (average of $236). Flying from Lisbon to Philadelphia in March is currently the most expensive (average of $295). 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 March 28, 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.

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 March 28, 2025.
Read through reviews of airlines operating flights from Lisbon to Philadelphia, such as Delta, KLM and Finnair. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • How popular is this Lisbon to Philadelphia flight route?

    Flights from Lisbon Humberto Delgado to Philadelphia have been viewed 4 times in the past calendar month.

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

    According to our current data, Aer Lingus ($635), American Airlines ($642), and British Airways ($654) offers the cheapest pricing from Lisbon to Philadelphia. Aer Lingus is 22% 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 Aer Lingus ($558), Finnair ($617), and British Airways ($676).

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

    The top 3 most reliable airlines when flying from Lisbon to Philadelphia are American Airlines (61%), Finnair (61%) and Iberia (61%).

  • What are the cheapest flights from Lisbon to Philadelphia?

    The cheapest flight price from Lisbon to Philadelphia is $578. On average you can expect to pay $1,300. The most popular route, (Lisbon Humberto Delgado - Philadelphia), can usually be booked for $635.

  • 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, August is the cheapest month in which you can book a flight from Lisbon to Philadelphia (average of $236). Flying from Lisbon to Philadelphia in March is currently the most expensive (average of $295). 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 Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
King of Prussia
Vineland
Pottstown
Wildwood
Reading
Cherry Hill
Exton
Ocean City
Essington
Chester
Newark
Middletown
Willow Grove
Millville
Ephrata
Camden
Dewey Beach
West Chester
Malvern
Dover

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Lisbon to Philadelphia

Discover the top 3 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$609Average$811FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$651Average$818FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$708Average$853FlexibilityNo cancel feeOn-time71%
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