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$323+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PHL
ago. 23 — ago. 301
sáb. 8/23
sáb. 8/30
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 agosto 18, 2025.

Round-trip from

$654
(Orbitz)

One-way from

$323
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$1,192

Good round-trip deal

$800 or less

Good one-way deal

$728 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. 12% potential increase in price ($123 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in August 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 agosto 18, 2025.

This Orbitz deal was found by Cheapflights users on 8/17. 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.
jue. 9/2511:25 amLIS - PHL
1 stop12h 35mAer Lingus
lun. 9/298:30 pmPHL - LIS
1 stop20h 05mAer Lingus
Deal found 8/17$654
This Mytrip deal was found by Cheapflights users on 8/17. 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.
mié. 10/17:40 amLIS - PHL
2 stops30h 10mMultiple Airlines
mié. 10/84:03 pmPHL - LIS
2 stops22h 12mMultiple Airlines
Deal found 8/17$698
This United Airlines deal was found by Cheapflights users on 8/16. 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.
jue. 9/257:30 amLIS - PHL
1 stop13h 30mUnited Airlines
lun. 9/2910:05 amPHL - LIS
2 stops17h 15mUnited Airlines
Deal found 8/16$737
This United Airlines deal was found by Cheapflights users on 8/17. 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.
mié. 10/16:45 amLIS - PHL
1 stop14h 15mUnited Airlines
mié. 10/810:05 amPHL - LIS
2 stops19h 25mUnited Airlines
Deal found 8/17$756
This Vliegwinkel deal was found by Cheapflights users on 8/17. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2811:25 amLIS - PHL
1 stop32h 12mMultiple Airlines
mié. 9/33:25 pmPHL - LIS
1 stop12h 55mMultiple Airlines
Deal found 8/17$771
This United Airlines deal was found by Cheapflights users on 8/17. 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.
mié. 9/105:05 amLIS - PHL
1 stop15h 55mUnited Airlines
mar. 2/173:30 pmPHL - LIS
1 stop12h 50mUnited Airlines
Deal found 8/17$772
This United Airlines deal was found by Cheapflights users on 8/17. 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.
mié. 9/106:45 amLIS - PHL
1 stop14h 15mUnited Airlines
mié. 2/182:37 pmPHL - LIS
2 stops12h 33mUnited Airlines
Deal found 8/17$773
This lol.travel deal was found by Cheapflights users on 8/16. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2811:25 amLIS - PHL
1 stop15h 42mAir Canada
mié. 9/34:50 pmPHL - LIS
1 stop13h 15mAir Canada
Deal found 8/16$774
This United Airlines deal was found by Cheapflights users on 8/18. 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.
jue. 10/25:05 amLIS - PHL
1 stop15h 55mUnited Airlines
mié. 4/296:10 amPHL - LIS
2 stops22h 10mUnited Airlines
Deal found 8/18$776

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 agosto 18, 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

jue. 9/25

7:30 am-4:00 pm

1 stop13h 30m

Philadelphia

lun. 9/29

10:05 am-8:20 am

2 stops17h 15m

$737

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

mié. 10/1

6:45 am-4:00 pm

1 stop14h 15m

Philadelphia

mié. 10/8

10:32 am-10:30 am

1 stop18h 58m

$756

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

jue. 8/28

11:25 am-2:37 pm

1 stop32h 12m

Philadelphia

mié. 9/3

3:25 pm-9:20 am

1 stop12h 55m

$771

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

mié. 9/10

6:45 am-4:00 pm

1 stop14h 15m

Philadelphia

sáb. 2/21

3:30 pm-8:55 am

1 stop12h 25m

$772

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

vie. 9/12

5:05 am-4:00 pm

1 stop15h 55m

Philadelphia

sáb. 2/21

3:30 pm-8:55 am

1 stop12h 25m

$772

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

mié. 9/10

6:45 am-4:00 pm

1 stop14h 15m

Philadelphia

jue. 2/19

3:30 pm-7:55 am

1 stop11h 25m

$772

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

jue. 9/11

5:05 am-4:00 pm

1 stop15h 55m

Philadelphia

sáb. 2/21

3:30 pm-8:55 am

1 stop12h 25m

$772

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

jue. 11/13

7:00 am-1:14 am

2 stops23h 14m

$323

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

mar. 10/14

6:25 am-8:04 pm

2 stops42h 39m

$325

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

sáb. 11/15

9:00 am-8:50 am

3 stops52h 50m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 14 results
1
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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 August 8, 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 agosto 18, 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 agosto 18, 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).

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 agosto 18, 2025.
Read reviews from past customers who have flown Finnair, American Airlines, and Iberia 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.
Finnair
7.6
Good
1,320 reviews

Entertainment

6.9

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,320 reviews
Finnair
7.6
Good
1,320 reviews

Entertainment

6.9

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,320 reviews

Entertainment

6.9

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Iberia
7.0
Good
2,884 reviews
Finnair
7.6
Good
1,320 reviews

Entertainment

6.9

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,277 reviews
Finnair
7.6
Good
1,320 reviews

Entertainment

6.9

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 40m 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 $737, United Airlines can have you in Philadelphia from Lisbon in 13h 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, Finnair ($573), American Airlines ($573), and Iberia ($666) offers the cheapest pricing from Lisbon to Philadelphia. Finnair is 34% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 (67%), Finnair (67%) and Iberia (67%).

  • What are the cheapest flights from Lisbon to Philadelphia?

    The cheapest flight price from Lisbon to Philadelphia is $585. On average you can expect to pay $1,475. The most popular route, (Lisbon Humberto Delgado - Philadelphia), can usually be booked for $654.

  • 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 Philadelphia?

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

Browse thousands of different options on Cheapflights for your next trip

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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 agosto 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$573Average$633FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$573Average$807FlexibilityNo cancel feeOn-time71%
IberiaCheapest$666Average$947FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$696Average$911FlexibilityNo cancel feeOn-time70%

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