Lisbon

$231+ Cheap flights from Philadelphia (PHL) to Lisbon (LIS)

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIS
Oct 11 — Oct 181
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Cheapflights Tip: The best prices from Philadelphia to Lisbon Humberto Delgado are usually found in January or February, booked 15 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Philadelphia to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Lisbon (LIS). 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 September 11, 2025.

Round-trip from

$671
(Delta)

One-way from

$231
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,050

Good round-trip deal

$841 or less

Good one-way deal

$734 or less
From Philadelphia to Lisbon Humberto Delgado
One-way flight from Philadelphia to Lisbon Humberto Delgado
Highest demand for flights based on searches. 22% potential increase in price ($281 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Philadelphia to Lisbon Humberto Delgado.
Price to beat on a one-way flight from Philadelphia to Lisbon Humberto Delgado.

Find flight deals from Philadelphia to Lisbon

Cheapest flights from Philadelphia to Lisbon
Explore the most affordable flight options available from Philadelphia to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Ovago deal was found by Cheapflights users on 9/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:30 pmPHL - LIS
1 stop23h 30mBritish Airways
Wed 10/228:45 pmLIS - PHL
1 stop24h 25mBritish Airways
Deal found 9/9$671
This British Airways deal was found by Cheapflights users on 9/9. 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.
Wed 10/156:30 pmPHL - LIS
1 stop23h 40mBritish Airways
Fri 1/97:05 amLIS - PHL
1 stop14h 10mBritish Airways
Deal found 9/9$673
This KLM deal was found by Cheapflights users on 9/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:40 pmPHL - LIS
2 stops15h 55mKLM
Thu 11/135:00 amLIS - PHL
2 stops16h 39mKLM
Deal found 9/10$674
This British Airways deal was found by Cheapflights users on 9/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:35 pmPHL - LIS
1 stop12h 35mBritish Airways
Tue 11/1811:05 amLIS - PHL
Nonstop8h 05mBritish Airways
Deal found 9/11$675
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:35 pmPHL - LIS
2 stops15h 10mBritish Airways
Sun 11/97:05 amLIS - PHL
2 stops39h 11mBritish Airways
Deal found 9/11$676
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:22 amPHL - LIS
1 stop15h 13mTAP AIR PORTUGAL
Sun 11/95:15 pmLIS - PHL
1 stop20h 22mTAP AIR PORTUGAL
Deal found 9/11$677
This Ovago deal was found by Cheapflights users on 9/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:35 pmPHL - LIS
1 stop15h 15mBritish Airways
Tue 11/1111:05 amLIS - PHL
Nonstop8h 05mBritish Airways
Deal found 9/9$678
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 10/229:25 pmPHL - LIS
Nonstop6h 40mIberia
Fri 10/3111:05 amLIS - PHL
Nonstop8h 00mIberia
Deal found 9/9$679
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/41:42 pmPHL - LIS
2 stops22h 48mDelta
Mon 11/105:00 amLIS - PHL
2 stops21h 38mDelta
Deal found 9/11$680
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/249:37 amPHL - LIS
2 stops17h 23mDelta
Mon 12/112:20 pmLIS - PHL
2 stops33h 36mDelta
Deal found 9/10$682
This Delta deal was found by Cheapflights users on 9/9. 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 11/45:02 pmPHL - LIS
2 stops17h 08mDelta
Sun 11/95:30 amLIS - PHL
2 stops21h 08mDelta
Deal found 9/9$683

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Lisbon 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 September 11, 2025.
Use the filters below to find and compare flights from Philadelphia to Lisbon that are best for you.

Fly from

Philadelphia

Fly to

Lisbon

Route

Depart

Return

Price

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Thu 11/13

6:35 pm-12:10 pm

1 stop12h 35m

Lisbon Humberto Delgado

Mon 11/17

11:05 am-2:10 pm

Nonstop8h 05m

$675

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Fri 11/28

1:25 pm-3:10 pm

2 stops20h 45m

Lisbon Humberto Delgado

Sun 12/7

5:30 am-9:32 pm

2 stops21h 02m

$675

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 11/24

9:37 am-8:00 am

2 stops17h 23m

Lisbon Humberto Delgado

Mon 12/1

12:20 pm-4:56 pm

2 stops33h 36m

$682

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 10/15

8:35 pm-11:25 pm

1 stop21h 50m

Lisbon Humberto Delgado

Fri 1/9

11:05 am-2:05 pm

Nonstop8h 00m

$702

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 11/25

6:35 pm-12:05 pm

1 stop12h 30m

Lisbon Humberto Delgado

Sun 11/30

6:40 pm-4:15 pm

1 stop26h 35m

$733

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 11/4

9:10 pm-9:05 am

Nonstop6h 55m

Lisbon Humberto Delgado

Sun 11/9

7:05 am-4:15 pm

1 stop14h 10m

$738

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 11/5

2:58 pm-5:40 pm

2 stops21h 42m

Lisbon Humberto Delgado

Tue 11/11

8:45 pm-3:40 pm

1 stop23h 55m

$749

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 10/13

10:15 pm-11:10 pm

1 stop19h 55m

Lisbon Humberto Delgado

Fri 10/24

6:35 am-4:10 pm

1 stop14h 35m

$755

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 10/22

8:35 pm-11:25 pm

1 stop21h 50m

Lisbon Humberto Delgado

Mon 10/27

11:05 am-3:05 pm

Nonstop8h 00m

$772

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 10/14

10:35 am-9:00 am

2 stops17h 25m

Lisbon Humberto Delgado

Tue 10/21

9:50 am-11:05 pm

2 stops18h 15m

$776

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 18 results
1
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The best insider tips for Philadelphia to Lisbon 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 Philadelphia to Lisbon trip
Airports
PHL

For a smooth departure from PHL, use the inter-terminal shuttle bus to avoid long walks between terminals.

Read more about PHLby Mark Chesnut
LIS

Upon arrival at LIS, the metro line offers a quick 20-minute ride to downtown Lisbon from Terminal 1.

Read more about LISby Ramsey Qubein
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 Philadelphia to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Philadelphia 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 Philadelphia to Lisbon

How far ahead should I book a flight from Philadelphia to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Lisbon. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Lisbon, you should look to book at least 15 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Lisbon (average of $612). Flying from Philadelphia to Lisbon in June is currently the most expensive (average of $1,127). 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 PHL to LIS?

Find hourly flight availability from Philadelphia to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s typically best to fly out from Philadelphia to Lisbon in the morning. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Finnair, American Airlines, and TAP AIR PORTUGAL from Philadelphia to Lisbon. 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.

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Lisbon. 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 Philadelphia to Lisbon?

    Lisbon Humberto Delgado is the airport most travelers will use when flying to Lisbon from Philadelphia. Booking flights from Philadelphia (PHL) to Humberto Delgado (LIS) should be relatively easy as there are 4 daily flights to Lisbon from 7 different airlines. 6h 35m is how long a flight from Philadelphia to Lisbon Humberto Delgado will take if you book a nonstop flight.

  • How popular is this Philadelphia to Lisbon flight route?

  • How long is the flight from Philadelphia to Lisbon?

    Airlines like British Airways, Delta, and Finnair fly from Philadelphia to Lisbon in about 12h 35m. The time it takes to get you to your destination can typically vary by up to 9h 15m. Philadelphia and Lisbon are separated by a distance of 3447 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Iberia, at $557, was found to be the cheapest airline from Philadelphia to Lisbon.Alternate airlines to your destination round-trip include United Airlines and British Airways. Users have found that Iberia is 42% cheaper than the other options available to this destination.

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

    The top 3 most reliable airlines when flying from Philadelphia to Lisbon are American Airlines (52%), Finnair (52%) and Iberia (52%).

  • What are the cheapest flights from Philadelphia to Lisbon?

    While on average a flight from Philadelphia to Lisbon is generally $879, our data shows the cheapest flight currently is $586. When looking at the most popular route, (Philadelphia - Lisbon Humberto Delgado), you can expect to pay $526 for that flight.

  • Can I find deals for flights from Philadelphia to Lisbon that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Lisbon.

  • Can I find deals for business class flights from Philadelphia to Lisbon?

    Yes. Cheapflights offers flight deals from Philadelphia to Lisbon 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 Philadelphia to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to Lisbon (average of $612). Flying from Philadelphia to Lisbon in June is currently the most expensive (average of $1,127). 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
Sintra
Fátima
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

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Alternative routes for Philadelphia to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Philadelphia to Lisbon

Discover the top 7 airlines that operate flights from Philadelphia to Lisbon. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$557Average$993FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$560Average$890FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$575Average$914FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$579Average$1,042FlexibilityNo cancel feeOn-time71%
FinnairCheapest$603Average$948FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$634Average$864FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$666Average$824FlexibilityNo cancel feeOn-timeN/A

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