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$353+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PHL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Philadelphia are usually found in November or March, booked 62 days in advance, depart on a Wednesday or Saturday 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 June 12, 2025.

Round-trip from

$655
(American Airlines)

One-way from

$353
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$955

Good round-trip deal

$671 or less

Good one-way deal

$638 or less
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 ($101 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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 9/411:05 amLIS - PHL
Nonstop7h 45mAmerican Airlines
Thu 10/26:30 pmPHL - LIS
1 stop23h 35mAmerican Airlines
Deal found 6/11$655
This British Airways deal was found by Cheapflights users on 6/12. 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.
Thu 6/197:20 amLIS - PHL
1 stop14h 05mBritish Airways
Sun 6/229:10 pmPHL - LIS
Nonstop6h 55mBritish Airways
Deal found 6/12$679
This Iberia deal was found by Cheapflights users on 6/11. 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.
Thu 9/48:25 amLIS - PHL
2 stops16h 44mIberia
Thu 10/21:49 pmPHL - LIS
2 stops21h 16mIberia
Deal found 6/11$736
This United Airlines deal was found by Cheapflights users on 6/12. 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 6/195:05 amLIS - PHL
2 stops33h 34mUnited Airlines
Sun 6/226:15 amPHL - LIS
1 stop23h 15mUnited Airlines
Deal found 6/12$764
This Virgin Atlantic deal was found by Cheapflights users on 6/10. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1312:45 pmLIS - PHL
2 stops15h 25mVirgin Atlantic
Sun 6/221:38 pmPHL - LIS
1 stop16h 07mVirgin Atlantic
Deal found 6/10$895
This Finnair deal was found by Cheapflights users on 6/12. 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.
Thu 6/1911:05 amLIS - PHL
Nonstop7h 35mFinnair
Sun 6/229:10 pmPHL - LIS
Nonstop6h 55mFinnair
Deal found 6/12$901
This Brussels Airlines deal was found by Cheapflights users on 6/12. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/197:55 pmLIS - PHL
2 stops25h 05mBrussels Airlines
Sun 6/225:35 pmPHL - LIS
2 stops20h 25mBrussels Airlines
Deal found 6/12$923
This Delta deal was found by Cheapflights users on 6/12. 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.
Tue 7/15:40 amLIS - PHL
2 stops16h 09mDelta
Thu 7/2410:39 amPHL - LIS
1 stop19h 06mDelta
Deal found 6/12$967
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/266:30 amLIS - PHL
1 stop17h 30mMultiple Airlines
Sat 8/28:30 pmPHL - LIS
1 stop20h 05mMultiple Airlines
Deal found 6/11$984
This AirNGo deal was found by Cheapflights users on 6/11. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/611:15 pmLIS - PHL
2 stops39h 23mIcelandair
Sat 7/125:40 pmPHL - LIS
2 stops23h 35mIcelandair
Deal found 6/11$1,242

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 June 12, 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

Thu 9/4

11:05 am-1:50 pm

Nonstop7h 45m

Philadelphia

Thu 10/2

6:30 pm-11:05 pm

1 stop23h 35m

$655

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 9/4

11:05 am-1:50 pm

Nonstop7h 45m

Philadelphia

Thu 10/2

9:15 pm-9:05 am

Nonstop6h 50m

$687

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 9/4

8:25 am-8:09 pm

2 stops16h 44m

Philadelphia

Thu 10/2

1:49 pm-4:05 pm

2 stops21h 16m

$736

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 7/1

5:40 am-4:49 pm

2 stops16h 09m

Philadelphia

Thu 7/24

10:39 am-10:45 am

1 stop19h 06m

$967

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Sat 7/26

6:30 am-7:00 pm

1 stop17h 30m

Philadelphia

Sat 8/2

8:30 pm-9:35 pm

1 stop20h 05m

$984

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 7/1

6:35 am-3:45 pm

1 stop14h 10m

Philadelphia

Thu 7/24

9:05 pm-9:05 am

Nonstop7h 00m

$997

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Sun 7/6

11:15 pm-9:38 am

2 stops39h 23m

Philadelphia

Sat 7/12

5:40 pm-10:15 pm

2 stops23h 35m

$1,242

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 10/14

10:05 pm-11:33 am

2 stops42h 28m

$353

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 10/14

11:45 am-9:24 pm

1 stop14h 39m

$653

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 10/2

11:05 am-1:50 pm

Nonstop7h 45m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 16 results
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The best insider tips for Lisbon to Philadelphia flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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

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 June 9, 2025.

Booking 61 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 June 12, 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.

Weekly flight availability from Lisbon to Philadelphia

Explore weekly flight availability from Lisbon to Philadelphia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from LIS to PHL are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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 June 12, 2025.
Read through reviews of airlines operating flights from Lisbon to Philadelphia, such as Delta, Finnair and American Airlines. 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
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,537 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,117 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 4 flights from Humberto Delgado (LIS) to Philadelphia (PHL) per day to choose from. Flights to Philadelphia from Humberto Delgado are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 7h 35m 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.

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

    According to our current data, American Airlines ($655), British Airways ($687), and Iberia ($736) offers the cheapest pricing from Lisbon to Philadelphia. American Airlines is 23% 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 TAP AIR PORTUGAL ($653), Finnair ($667), and Aer Lingus ($749).

  • 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 (74%), Finnair (74%) and Iberia (74%).

  • What are the cheapest flights from Lisbon to Philadelphia?

    The cheapest flight price from Lisbon to Philadelphia is $486. On average you can expect to pay $1,748. The most popular route, (Lisbon Humberto Delgado - Philadelphia), can usually be booked for $813.

  • 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
Vineland
Wildwood
Pottstown
King of Prussia
Cherry Hill
Exton
Ocean City
Chester
Essington
Reading
Newark
Middletown
Millville
Ephrata
Camden
Dover
Elkton
Willow Grove
Glen Mills
Springfield

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Top 4 airlines flying from Lisbon to Philadelphia

Discover the top 4 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$573Average$633FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$573Average$807FlexibilityNo cancel feeOn-time71%
IberiaCheapest$666Average$943FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$696Average$911FlexibilityNo cancel feeOn-time70%

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