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$391+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PHL
Jul 28 — Aug 41
Tue 7/28
Tue 8/4
1 adult, Economy
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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 June 28, 2026.

This American Airlines deal was found by Cheapflights users on 6/24. 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 12/38:20 am
LIS
-
PHL
1 stop12h 30m
American Airlines
Sun 12/67:50 pm
PHL
-
LIS
1 stop16h 55m
American Airlines
Deal found 6/24$766
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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.
Wed 9/166:35 am
LIS
-
PHL
1 stop16h 05m
Multiple Airlines
Wed 12/26:35 pm
PHL
-
LIS
1 stop15h 15m
Multiple Airlines
Deal found 6/25$768
This American Airlines deal was found by Cheapflights users on 6/23. 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 12/38:20 am
LIS
-
PHL
1 stop12h 30m
American Airlines
Mon 12/73:00 pm
PHL
-
LIS
2 stops25h 55m
American Airlines
Deal found 6/23$769
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Wed 9/166:35 am
LIS
-
PHL
1 stop16h 05m
American Airlines
Wed 12/27:50 pm
PHL
-
LIS
1 stop14h 00m
American Airlines
Deal found 6/24$772
This Iberia deal was found by Cheapflights users on 6/24. 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.
Wed 9/238:55 am
LIS
-
PHL
1 stop13h 45m
Iberia
Wed 10/149:25 pm
PHL
-
LIS
Nonstop6h 40m
Iberia
Deal found 6/24$779
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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.
Wed 9/2311:05 am
LIS
-
PHL
Nonstop7h 45m
Multiple Airlines
Wed 10/146:45 pm
PHL
-
LIS
1 stop18h 10m
Multiple Airlines
Deal found 6/25$780
This Finnair deal was found by Cheapflights users on 6/25. 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.
Tue 9/226:35 am
LIS
-
PHL
2 stops19h 08m
Multiple Airlines
Wed 10/146:45 pm
PHL
-
LIS
1 stop14h 25m
Multiple Airlines
Deal found 6/25$781
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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.
Wed 9/2311:05 am
LIS
-
PHL
Nonstop7h 45m
Finnair
Wed 10/149:25 pm
PHL
-
LIS
Nonstop6h 40m
Finnair
Deal found 6/25$789

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 June 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$766
(American Airlines)

One-way from

$391
(Mytrip)

Popular in

September

Cheapest in

February

Average price

$931

Good round-trip deal

$924 or less

Good one-way deal

$708 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. 18% potential increase in price ($227 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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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 June 28, 2026.
Use the filters below to find and compare flights from Lisbon to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 9/22

6:35 am-8:43 pm

2 stops19h 08m

Philadelphia

Wed 10/14

6:45 pm-2:10 pm

1 stop14h 25m

$781

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 12/3

11:05 am-2:05 pm

Nonstop8h 00m

Philadelphia

Mon 12/7

9:25 pm-9:05 am

Nonstop6h 40m

$792

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 9/23

11:55 am-10:31 pm

2 stops15h 36m

Philadelphia

Tue 10/13

1:20 pm-8:50 am

2 stops14h 30m

$794
Quickest round-trip

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 9/16

11:05 am-1:50 pm

Nonstop7h 45m

Philadelphia

Wed 12/2

9:25 pm-9:05 am

Nonstop6h 40m

$795

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 9/16

6:35 am-10:48 pm

2 stops21h 13m

Philadelphia

Wed 12/2

6:35 pm-2:50 pm

1 stop15h 15m

$795

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 9/16

5:35 am-7:09 pm

2 stops18h 34m

Philadelphia

Wed 12/2

9:42 am-8:00 am

2 stops17h 18m

$800

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 9/23

12:45 pm-10:31 pm

1 stop14h 46m

Philadelphia

Tue 10/13

1:20 pm-8:50 am

2 stops14h 30m

$808

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 9/16

6:35 am-5:40 pm

1 stop16h 05m

Philadelphia

Wed 12/2

9:25 pm-9:05 am

Nonstop6h 40m

$813

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 12/3

5:00 am-4:05 pm

1 stop16h 05m

Philadelphia

Sun 12/6

10:15 am-8:10 am

2 stops16h 55m

$878

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 9/16

5:05 am-4:05 pm

1 stop16h 00m

Philadelphia

Wed 12/2

6:10 am-6:55 am

2 stops19h 45m

$885

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Showing 1-10 of 20 resultsSorted by cheapest first
1
2
  • 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

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

Currently, February is the cheapest month in which you can book a flight from Lisbon to Philadelphia (average of $684). Flying from Lisbon to Philadelphia in September is currently the most expensive (average of $1,392). 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 28, 2026.

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.

How much does it cost to fly round-trip from Lisbon to Philadelphia?

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
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on PHL

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

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 June 28, 2026.
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
3,250 reviews

Boarding

7.1

Overall

7.0

Crew

7.7

Comfort

6.7

Entertainment

6.6

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Laba,Feb 2026

DEN - DFW

Were not helpful at all when I found out at the very last minute, just when my daughter was about to board at Dallas to Madrid, that the connecting flight ticket had been reissued to somebody else.
Iberia
7.0
Good
3,250 reviews
Iberia
7.0
Good
3,250 reviews

Boarding

7.1

Overall

7.0

Crew

7.7

Comfort

6.7

Entertainment

6.6

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Laba,Feb 2026

DEN - DFW

Were not helpful at all when I found out at the very last minute, just when my daughter was about to board at Dallas to Madrid, that the connecting flight ticket had been reissued to somebody else.
British Airways
6.7
Okay
8,077 reviews
Iberia
7.0
Good
3,250 reviews

Boarding

7.1

Overall

7.0

Crew

7.7

Comfort

6.7

Entertainment

6.6

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Laba,Feb 2026

DEN - DFW

Were not helpful at all when I found out at the very last minute, just when my daughter was about to board at Dallas to Madrid, that the connecting flight ticket had been reissued to somebody else.

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 2 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 $795, British Airways can have you in Philadelphia from Lisbon in 7h 45m. There are 3447 mi between Lisbon and Philadelphia. Most flights are nonstop.

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

    According to our current data, Iberia ($681), and British Airways ($809) offers the cheapest pricing from Lisbon to Philadelphia. Iberia is 30% 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), American Airlines ($518), and British Airways ($550).

  • 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 (90%), Finnair (90%) and Iberia (90%).

  • What are the cheapest flights from Lisbon to Philadelphia?

    The cheapest flight price from Lisbon to Philadelphia is $565. On average you can expect to pay $1,609. The most popular route, (Lisbon Humberto Delgado - Philadelphia), can usually be booked for $780.

  • 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, February is the cheapest month in which you can book a flight from Lisbon to Philadelphia (average of $684). Flying from Lisbon to Philadelphia in September is currently the most expensive (average of $1,392). 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
King of Prussia
Reading
Camden
Ocean City
Plymouth Meeting
Cherry Hill
Lewes
Wyomissing
Dewey Beach
Pottstown
Ephrata
Milford
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville

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 June 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$681Average$1,046FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$809Average$1,270FlexibilityNo cancel feeOn-time70%

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