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$324+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PHL
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Philadelphia are usually found in January or February, booked 73 days in advance, depart on a Monday or Thursday 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 February 19, 2026.

This Trip.com deal was found by Cheapflights users on 2/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2611:35 am
LIS
-
PHL
2 stops18h 24m
Multiple Airlines
Wed 3/412:21 pm
PHL
-
LIS
2 stops21h 54m
Multiple Airlines
Deal found 2/17$631
This Mytrip deal was found by Cheapflights users on 2/15. 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.
Sun 3/2910:10 pm
LIS
-
PHL
2 stops25h 45m
Multiple Airlines
Sat 4/48:25 pm
PHL
-
LIS
1 stop20h 30m
Multiple Airlines
Deal found 2/15$764
This Mytrip deal was found by Cheapflights users on 2/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:25 pm
LIS
-
PHL
3 stops32h 31m
Multiple Airlines
Wed 3/258:18 am
PHL
-
LIS
3 stops25h 02m
Multiple Airlines
Deal found 2/16$782
This Mytrip deal was found by Cheapflights users on 2/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:00 pm
LIS
-
PHL
2 stops26h 00m
Multiple Airlines
Sun 3/156:30 pm
PHL
-
LIS
1 stop16h 30m
Multiple Airlines
Deal found 2/18$793
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:40 pm
LIS
-
PHL
1 stop25h 25m
Iberia
Sun 3/2210:10 pm
PHL
-
LIS
Nonstop6h 55m
Iberia
Deal found 2/16$795
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Fri 5/295:05 am
LIS
-
PHL
1 stop16h 00m
United Airlines
Mon 6/83:10 pm
PHL
-
LIS
1 stop14h 20m
United Airlines
Deal found 2/18$805
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Thu 4/97:25 am
LIS
-
PHL
1 stop13h 40m
United Airlines
Sat 4/187:45 pm
PHL
-
LIS
1 stop9h 50m
United Airlines
Deal found 2/17$807
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2410:10 am
LIS
-
PHL
1 stop36h 05m
Multiple Airlines
Wed 3/1112:04 pm
PHL
-
LIS
2 stops28h 16m
Multiple Airlines
Deal found 2/15$808

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$764
(Mytrip)

One-way from

$324
(Kiwi.com)

Popular in

September

Cheapest in

January

Average price

$743

Good round-trip deal

$745 or less

Good one-way deal

$579 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 ($223 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
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 February 19, 2026.
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

Sun 3/29

10:10 pm-6:55 pm

2 stops25h 45m

Philadelphia

Sat 4/4

8:25 pm-9:55 pm

1 stop20h 30m

$764

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Sun 3/8

7:00 pm-5:00 pm

2 stops26h 00m

Philadelphia

Sun 3/15

6:30 pm-3:00 pm

1 stop16h 30m

$793

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 3/17

5:40 pm-3:05 pm

1 stop25h 25m

Philadelphia

Sun 3/22

10:10 pm-9:05 am

Nonstop6h 55m

$795

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Fri 5/29

5:05 am-4:05 pm

1 stop16h 00m

Philadelphia

Mon 6/8

3:10 pm-10:30 am

1 stop14h 20m

$805

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 4/9

7:25 am-4:05 pm

1 stop13h 40m

Philadelphia

Sat 4/18

7:45 pm-10:35 am

1 stop9h 50m

$807

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 4/2

7:25 am-4:05 pm

1 stop13h 40m

Philadelphia

Thu 4/9

5:40 pm-11:45 am

1 stop13h 05m

$812

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 3/17

5:00 am-9:47 am

2 stops32h 47m

Philadelphia

Sun 3/22

6:30 am-8:10 am

2 stops21h 40m

$813

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 4/14

6:30 am-8:40 pm

3 stops43h 10m

$363

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 3/4

5:40 pm-11:16 pm

2 stops34h 36m

$371

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 4/15

6:35 am-5:34 pm

2 stops39h 59m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 14 results
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

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 February 13, 2026.

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 $440). 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 February 19, 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.

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 February 19, 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
3,117 reviews

Overall

7.0

Crew

7.7

Food

6.4

Boarding

7.2

Comfort

6.8

Entertainment

6.6

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

LHR - DFW

Transparency. There was a gate change that was not disclosed on my ticket that made the connection to Vegas hurried. Also, it’s a given that for international travel, luggage pickup is required at first port of entry in the US, but please don’t have international employees set the expectation that luggage does not have to be picked up until the final destination. If I followed her instructions, my luggage would have been sitting at my connection now.
Iberia
7.0
Good
3,117 reviews
Iberia
7.0
Good
3,117 reviews

Overall

7.0

Crew

7.7

Food

6.4

Boarding

7.2

Comfort

6.8

Entertainment

6.6

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

LHR - DFW

Transparency. There was a gate change that was not disclosed on my ticket that made the connection to Vegas hurried. Also, it’s a given that for international travel, luggage pickup is required at first port of entry in the US, but please don’t have international employees set the expectation that luggage does not have to be picked up until the final destination. If I followed her instructions, my luggage would have been sitting at my connection now.
British Airways
6.7
Okay
7,752 reviews
Iberia
7.0
Good
3,117 reviews

Overall

7.0

Crew

7.7

Food

6.4

Boarding

7.2

Comfort

6.8

Entertainment

6.6

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

LHR - DFW

Transparency. There was a gate change that was not disclosed on my ticket that made the connection to Vegas hurried. Also, it’s a given that for international travel, luggage pickup is required at first port of entry in the US, but please don’t have international employees set the expectation that luggage does not have to be picked up until the final destination. If I followed her instructions, my luggage would have been sitting at my connection now.

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 2 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 1 times in the past calendar month.

  • How long is the flight from Lisbon to Philadelphia?

    For as low as $805, Iberia can have you in Philadelphia from Lisbon in 16h. There are 3447 mi between Lisbon and Philadelphia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, British Airways ($696), and Iberia ($738) offers the cheapest pricing from Lisbon to Philadelphia. British Airways is 27% 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), Finnair ($528), and American Airlines ($572).

  • 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 $502. On average you can expect to pay $1,527. The most popular route, (Lisbon Humberto Delgado - Philadelphia), can usually be booked for $630.

  • 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 $440). 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
Reading
Ocean City
King of Prussia
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Newark

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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$696Average$958FlexibilityNo cancel feeOn-time70%
IberiaCheapest$738Average$974FlexibilityNo cancel feeOn-time77%

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